<SEC-DOCUMENT>0001493152-22-009260.txt : 20220406
<SEC-HEADER>0001493152-22-009260.hdr.sgml : 20220406
<ACCEPTANCE-DATETIME>20220406151420
ACCESSION NUMBER:		0001493152-22-009260
CONFORMED SUBMISSION TYPE:	10-K
PUBLIC DOCUMENT COUNT:		118
CONFORMED PERIOD OF REPORT:	20211231
FILED AS OF DATE:		20220406
DATE AS OF CHANGE:		20220406

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PERMA FIX ENVIRONMENTAL SERVICES INC
		CENTRAL INDEX KEY:			0000891532
		STANDARD INDUSTRIAL CLASSIFICATION:	HAZARDOUS WASTE MANAGEMENT [4955]
		IRS NUMBER:				581954497
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11596
		FILM NUMBER:		22810419

	BUSINESS ADDRESS:	
		STREET 1:		8302 DUNWOODY PLACE
		STREET 2:		SUITE 250
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30350
		BUSINESS PHONE:		7705879898

	MAIL ADDRESS:	
		STREET 1:		8302 DUNWOODY PLACE
		STREET 2:		SUITE 250
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30350
</SEC-HEADER>
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<TYPE>10-K
<SEQUENCE>1
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 18pt"><b>UNITED
STATES</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 18pt"><b>SECURITIES
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 12pt"><b>WASHINGTON,
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center; text-indent: 0.1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>or</b></span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>For
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center; text-indent: 0.1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 18pt"><b><span id="xdx_907_edei--EntityRegistrantName_dxL_c20210101__20211231_zj0wAcLu59L9" title="::XDX::PERMA%20FIX%20ENVIRONMENTAL%20SERVICES%20INC"><span style="-sec-ix-hidden: xdx2ixbrl0020">PERMA-FIX
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center; text-indent: 0.1pt"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center; text-indent: 0.1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>(Exact
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<p style="margin: 0; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"></p>

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<p style="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-top: 0pt; margin-bottom: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>(Registrant&#8217;s
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 145.4pt; text-indent: 0.1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; text-align: left; margin-top: 0pt; margin-bottom: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Securities
registered pursuant to Section 12(b) of the Act: &#160; &#160;</span></p>



<p style="margin: 0; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

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    of each exchange on which registered</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90F_edei--Security12bTitle_c20210101__20211231_z3UNS3szY0Gd"><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" name="dei:Security12bTitle">Common
    Stock, $.001 Par Value</ix:nonNumeric></span></span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_905_edei--TradingSymbol_c20210101__20211231_zprrTbLhhtA"><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" name="dei:TradingSymbol">PESI</ix:nonNumeric></span></span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90C_edei--SecurityExchangeName_c20210101__20211231_zjiU1Murwq7d"><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" format="ixt-sec:exchnameen" name="dei:SecurityExchangeName">NASDAQ</ix:nonNumeric></span>
    Capital Markets</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Indicate
by check mark if the Registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#9744;
<span style="font-size: 10pt">Yes &#9746; <span id="xdx_902_edei--EntityWellKnownSeasonedIssuer_c20210101__20211231_zcc6lvwWAJL3"><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" name="dei:EntityWellKnownSeasonedIssuer">No</ix:nonNumeric></span></span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Indicate
by check mark if the Registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#9744;
<span style="font-size: 10pt">Yes &#9746; <span id="xdx_909_edei--EntityVoluntaryFilers_c20210101__20211231_zBDIrgMZJGD8"><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" name="dei:EntityVoluntaryFilers">No</ix:nonNumeric></span></span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Indicate
by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange
Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2)
has been subject to such filing requirements for the past 90 days.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#9746;
<span style="font-size: 10pt"><span id="xdx_904_edei--EntityCurrentReportingStatus_c20210101__20211231_z7OOi8PHM0k3"><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" name="dei:EntityCurrentReportingStatus">Yes</ix:nonNumeric></span> &#9744; No</span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Indicate
by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule
405 of Regulation S-T (&#167;232.405 of this chapter) during the preceding 12 months (or for such shorter period that the Registrant
was required to submit and post such files).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#9746;
<span style="font-size: 10pt"><span id="xdx_907_edei--EntityInteractiveDataCurrent_c20210101__20211231_zHRSwao4XJtj"><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" name="dei:EntityInteractiveDataCurrent">Yes</ix:nonNumeric></span> &#9744; No</span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Indicate
by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting
company, or an emerging growth company. See definition of &#8220;large accelerated filer,&#8221; &#8220;accelerated filer,&#8221; &#8220;smaller
reporting company,&#8221; and &#8220;emerging growth company&#8221; in Rule 12b-2 of the Exchange Act. (Check one):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Large
accelerated filer &#9744; <span id="xdx_90C_edei--EntityFilerCategory_c20210101__20211231_zDeCLysgBbsh"><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" format="ixt-sec:entityfilercategoryen" name="dei:EntityFilerCategory">Accelerated Filer</ix:nonNumeric></span> &#9746; Non-accelerated Filer &#9744; Smaller reporting company <span id="xdx_90C_edei--EntitySmallBusiness_c20210101__20211231_zeSdO8z7CB4l"><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" format="ixt:booleantrue" name="dei:EntitySmallBusiness">&#9746;</ix:nonNumeric></span> Emerging growth company
<span id="xdx_90B_edei--EntityEmergingGrowthCompany_c20210101__20211231_z8lkjJ6jA5V7"><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" format="ixt:booleanfalse" name="dei:EntityEmergingGrowthCompany">&#9744;</ix:nonNumeric></span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">If
an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying
with any new or revised financial standards provided pursuant to Section 13(a) of the Exchange Act &#9744;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Indicate
by check mark whether the registrant has filed a report on and attestation to its management&#8217;s assessment of the effectiveness
of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered
public accounting firm that prepared or issued its audit report. <span id="xdx_906_edei--IcfrAuditorAttestationFlag_c20210101__20211231_zOTAlH57fhka"><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" format="ixt:booleantrue" name="dei:IcfrAuditorAttestationFlag">&#9746;</ix:nonNumeric></span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Indicate
by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Act). &#9744; Yes &#9746; <span id="xdx_905_edei--EntityShellCompany_c20210101__20211231_zwXnPVA59Dhe"><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" format="ixt:booleanfalse" name="dei:EntityShellCompany">No</ix:nonNumeric></span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
aggregate market value of the Registrant&#8217;s voting and non-voting common equity held by nonaffiliates of the Registrant computed
by reference to the closing sale price of such stock as reported by NASDAQ as of the last business day of the most recently completed
second fiscal quarter (June 30, 2021), was approximately $<span id="xdx_90E_edei--EntityPublicFloat_iI_c20210630_zuxZ3tLeCsXh" title="Entity Public Float"><ix:nonFraction name="dei:EntityPublicFloat" contextRef="AsOf2021-06-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">81,266,400</ix:nonFraction></span>). For the purposes of this calculation, all directors and executive
officers of the Registrant (as indicated in Item 12) have been deemed to be affiliates. Such determination should not be deemed an admission
that such directors and executive officers, are, in fact, affiliates of the Registrant. The Company&#8217;s Common Stock is listed on
the NASDAQ Capital Markets.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
of February 14, 2022, there were <span id="xdx_901_edei--EntityCommonStockSharesOutstanding_iI_pid_c20220214_zAvrCJ9tXfYk"><ix:nonFraction name="dei:EntityCommonStockSharesOutstanding" contextRef="AsOf2022-02-14" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">13,234,430</ix:nonFraction></span> shares of the registrant&#8217;s Common Stock, $.001 par value, outstanding.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Documents
incorporated by reference: <span id="xdx_908_edei--DocumentsIncorporatedByReferenceTextBlock_c20210101__20211231_zfVlRQlxxp0e" title="Documents Incorporated by Reference"><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="dei:DocumentsIncorporatedByReferenceTextBlock">None</ix:nonNumeric></span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></p>

<!-- Field: Rule-Page --><div style="margin-top: 0pt; margin-bottom: 0pt; width: 100%"><div style="border-top: Black 1.5pt solid; font-size: 1pt; border-bottom: Black 4pt solid">&#160;</div></div><!-- Field: /Rule-Page -->

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>PERMA-FIX
ENVIRONMENTAL SERVICES, INC.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>INDEX</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center; text-indent: 436.5pt"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; vertical-align: top"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Page No.</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; width: 0.7in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><a href="#q_001">PART
    I</a></b></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif; width: 0.65in"></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt; vertical-align: top"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Item
    1.</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="#q_002">Business</a>
    </span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">1</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt; vertical-align: top"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt; vertical-align: top"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Item
    1A.</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="#q_003">Risk
    Factors</a></span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">7</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Item
    1B.</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="#q_004">Unresolved
    Staff Comments</a></span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">17</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Item
    2.</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="#q_005">Properties</a>
    </span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">17</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Item
    3.</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="#q_006">Legal
    Proceedings</a></span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">17</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Item
    4.</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="#q_007">Mine
    Safety Disclosure</a></span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">17</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif"><b><a href="#q_008">PART
    II</a></b></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Item
    5.</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="#q_009">Market
    for Registrant&#8217;s Common Equity and Related Stockholder Matters</a> </span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">18</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Item
    6.</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="#q_010">Selected
    Financial Data</a></span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">18</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Item
    7.</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="#q_011">Management&#8217;s
                                            Discussion and Analysis of Financial Condition And Results of Operations</a></span></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"></p></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">18</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Item
    7A.</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="#q_012">Quantitative
    and Qualitative Disclosures About Market Risk</a></span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">31</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="#GV_006">Special
    Note Regarding Forward-Looking Statements</a></span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">31</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Item
    8.</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="#sur_001">Financial
    Statements and Supplementary Data</a></span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">33</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Item
    9.</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif"><a href="#Vi_001"><span style="font-size: 10pt">Changes
                                            in and Disagreements with Accountants on </span>Accounting and Financial Disclosure</a></span></p></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">76</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Item
    9A.</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="#Vi_002">Controls
    and Procedures</a></span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">76</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Item
    9B.</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="#Vi_003">Other
    Information</a></span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">78</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><a href="#Vi_004">PART
    III</a></b></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Item
    10.</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="#Vi_005">Directors,
    Executive Officers and Corporate Governance</a></span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">78</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Item
    11.</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="#Vi_006">Executive
    Compensation</a></span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">89</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Item
    12.</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif"><a href="#GV_001"><span style="font-size: 10pt">Security
                                            Ownership of Certain Beneficial Owners and Management and Related </span>Stockholder Matters</a></span></p></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">104</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Item
    13.</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="#GV_002">Certain
    Relationships and Related Transactions, and Director Independence</a></span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">107</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Item
    14.</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="#GV_003">Principal
    Accountant Fees and Services</a></span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">110</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif"><b><a href="#GV_004">PART
    IV</a></b></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Item
    15.</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="#GV_005">Exhibits
    and Financial Statement Schedules</a></span></td>
    <td style="text-align: right; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">110</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-top: 0pt; margin-bottom: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="q_001"></span>PART
I</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-top: 0pt; margin-bottom: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
<tr style="vertical-align: top; text-align: left">
  <td style="width: 0.7in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="q_002"></span>ITEM
1.</b></span></td>
  <td><b>BUSINESS</b></td></tr>
</table>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Company
Overview and Principal Products and Services</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
Environmental Services, Inc. (the Company, which may be referred to as we, us, or our), a Delaware corporation incorporated in December
1990, is an environmental and environmental technology know-how company.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
principal element of our business strategy consists of upgrading our facilities within our Treatment Segment to increase efficiency and
modernize and expand treatment capabilities to meet the changing markets associated with the waste management industry. Within our Services
Segment, we continue to increase competitive procurement effectiveness and broaden the market penetration within both the commercial
and government sectors. The Company remains focused on expansion into both commercial and international markets to supplement government
spending in the United States of America (&#8220;USA&#8221;), from which a significant portion of the Company&#8217;s revenue is derived.
This includes new services, new customers and increased market share in our current markets.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
previously disclosed, the Company&#8217;s Medical Segment (or &#8220;PF Medical&#8221;) business, conducted through the Company&#8217;s
majority-owned Polish subsidiary, Perma-Fix Medical S.A (&#8220;PFM Poland&#8221;), and PFM Poland&#8217;s wholly-owned subsidiary, Perma-Fix
Medical Corporation, a Delaware corporation (&#8220;PFMC&#8221;), had not generated any revenue and had substantially reduced research
and development (&#8220;R&amp;D&#8221;) activities of the Company&#8217;s medical isotope production technology due to the need for capital
to fund these activities. During December 2021, the Company made the strategic decision to cease all R&amp;D activities under the Medical
Segment and sold 100% of its interest in PFM Poland for a nominal amount. As a condition precent to the sale of PFM Poland, the Company
acquired PFMC after its conversion to a Delaware limited liability company. As a result of the sale of PFM Poland, the Company deconsolidated
PFM Poland from its consolidated financial statements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>COVID-19
Impact</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
2021 financial results continued to be impacted by COVID-19 resulting in continued delays in waste shipments from certain customers within
our Treatment Segment. Additionally, supply chain challenges delayed the deployment of our new waste treatment technology which also
negatively impacted our revenue in 2021. Within our Services Segment, we experienced delays in procurement actions and contract awards
in the first half of 2021 and work under certain new projects won in the second half of 2021 was curtailed/delayed from the impact of
COVID-19, among other things (See &#8220;Item 7. Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations
&#8211; COVID-19 Impact&#8221; for a full discussion of the impact of COVID-19 on the Company&#8217;s results of operations).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Segment
Information and Foreign and Domestic Operations and Sales</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">For
2021, the Company has three reportable segments. In accordance with Financial Accounting Standards Board (&#8220;FASB&#8221;) Accounting
Standards Codification (&#8220;ASC&#8221;) 280, &#8220;Segment Reporting&#8221;, we define an operating segment as:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">a
                                            business activity from which we may earn revenue and incur expenses;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">whose
                                            operating results are regularly reviewed by the chief operating decision maker &#8220;(CODM&#8221;)
                                            to make decisions about resources to be allocated and assess its performance; and</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">for
                                            which discrete financial information is available.</span></td></tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">TREATMENT
SEGMENT reporting includes:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">-</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">nuclear,
                                            low-level radioactive, mixed (waste containing both hazardous and low-level radioactive waste),
                                            hazardous and non-hazardous waste treatment, processing and disposal services primarily through
                                            four uniquely licensed (Nuclear Regulatory Commission or state equivalent) and permitted
                                            (U.S. Environmental Protection Agency (&#8220;EPA&#8221;) or state equivalent) treatment
                                            and storage facilities as follow: Perma-Fix of Florida, Inc. (&#8220;PFF&#8221;), Diversified
                                            Scientific Services, Inc., (&#8220;DSSI&#8221;), Perma-Fix Northwest Richland, Inc. (&#8220;PFNWR&#8221;)
                                            and Oak Ridge Environmental Waste Operations Center (&#8220;EWOC&#8221;); and</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">-</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">R&amp;D
                                            activities to identify, develop and implement innovative waste processing techniques for
                                            problematic waste streams.</span></td></tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">For
2021, the Treatment Segment accounted for $32,992,000, or 45.7%, of total revenue, as compared to $30,143,000, or 28.6%,, of total
revenue for 2020. See &#8220;Dependence Upon a Single or Few Customers&#8221; for further details and a discussion as to our Segments&#8217;
contracts with government clients (domestic and foreign) or with others as a subcontractor to government clients.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">SERVICES
SEGMENT, which includes:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">-</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Technical
                                            services, which include:</span></td></tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.75in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9675;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">professional
                                            radiological measurement and site survey of large government and commercial installations
                                            using advanced methods, technology and engineering;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#9675;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">health
                                            physics services including health physicists, radiological engineers, nuclear engineers and
                                            health physics technicians support to government and private radioactive materials licensees;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#9675;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">integrated
                                            Occupational Safety and Health services including industrial hygiene (&#8220;IH&#8221;) assessments;
                                            hazardous materials surveys, e.g., exposure monitoring; lead and asbestos management/abatement
                                            oversight; indoor air quality evaluations; health risk and exposure assessments; health &amp;
                                            safety plan/program development, compliance auditing and training services; and Occupational
                                            Safety and Health Administration (&#8220;OSHA&#8221;) citation assistance;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#9675;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">global
                                            technical services providing consulting, engineering (civil, nuclear, mechanical, chemical,
                                            radiological and environmental), project management, waste management, environmental, and
                                            decontamination and decommissioning (&#8220;D&amp;D&#8221;) field, technical, and management
                                            personnel and services to commercial and government customers; and</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#9675;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">waste
                                            management services to commercial and governmental customers.</span></td></tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 1in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">-</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Nuclear
                                            services, which include:</span></td></tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.75in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif">&#9675;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">D&amp;D
                                            of government and commercial facilities impacted with radioactive material and hazardous
                                            constituents including engineering, technology applications, specialty services, logistics,
                                            transportation, processing and disposal; and</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.75in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif">&#9675;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">license
                                            termination support of radioactive material licensed and federal facilities over the entire
                                            cycle of the termination process: project management, planning, characterization, waste stream
                                            identification and delineation, remediation/demolition, final status survey, compliance demonstration,
                                            reporting, transportation, disposal and emergency response.</span></td></tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 1in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">-</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">A
                                            company owned equipment calibration and maintenance laboratory that services, maintains,
                                            calibrates, and sources (i.e., rental) health physics, IH and customized nuclear, environmental,
                                            and occupational safety and health (&#8220;NEOSH&#8221;) instrumentation.</span></td></tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">For
2021, the Services Segment accounted for $39,199,000, or 54.3%, of total revenue, as compared to $75,283,000, or 71.4%,
of total revenue for 2020. See &#8220;Dependence Upon a Single or Few Customers&#8221; for further details and a discussion as to our
Segments&#8217; contracts with government clients (domestic and foreign) or with others as a subcontractor to government clients.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">MEDICAL
SEGMENT (see a discussion of the exit of our business under the Medical Segment during the fourth quarter of 2021 under &#8220;Company
Overview and Principal Products and Services&#8221; above).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
Treatment and Services Segments provide services to research institutions, commercial companies, public utilities, and governmental agencies
(domestic and foreign), including the U.S. Department of Energy (&#8220;DOE&#8221;) and U.S. Department of Defense (&#8220;DOD&#8221;).
The distribution channels for our services are through direct sales to customers or via intermediaries.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
corporate office is located at 8302 Dunwoody Place, Suite 250, Atlanta, Georgia 30350.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Foreign
Revenue and Initiative</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
consolidated revenue for 2021 and 2020 included approximately $9,277,000, or 12.9%, and $5,550,000, or 5.3%, respectively,
from Canadian customers.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify">During March 2022, we signed a
joint venture term sheet addressing plans to partner with Springfields Fuels Limited (&#8220;SFL&#8221;), an affiliate of Westinghouse
Electric Company LLC, to develop and manage a nuclear waste-materials treatment facility (the &#8220;Facility&#8221;) in the United Kingdom.
The Facility is for the purpose of expanding the partners&#8217; waste treatment capabilities for the European nuclear market. It is
expected that upon finalization of a partnership agreement, SFL will have an ownership interest of fifty-five (55) percent and our interest
will be forty-five (45) percent. The finalization, form and capitalization of this unpopulated partnership is subject to numerous conditions,
including but not limited to, completion and execution of a definitive agreement and facility design and the granting of required regulatory,
lender or permitting approvals. Upon finalization of this venture, we will be required to make an investment in this venture. The amount
of our investment, the period of which it is to be made and the method of funding are to be determined.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Seasonal
Factors of our Business</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
operations are generally subject to seasonal factors. See &#8220;Risk Factors &#8211; Risks Related to our Business and Operations &#8211;
Our operations are subject to seasonal factors, which causes our revenues to fluctuate&#8221; for a discussion of our seasonal factors.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Permits
and Licenses</b></span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Waste
management service companies are subject to extensive, evolving and increasingly stringent federal, state, and local environmental laws
and regulations. Such federal, state and local environmental laws and regulations govern our activities regarding the treatment, storage,
processing, disposal and transportation of hazardous, non-hazardous and radioactive wastes, and require us to obtain and maintain permits,
licenses and/or approvals in order to conduct our waste activities. We are dependent on our permits and licenses discussed below in order
to operate our businesses. Failure to obtain and maintain our permits or approvals would have a material adverse effect on us, our operations,
and financial condition. The permits and licenses have terms ranging from one to ten years, and provided that we maintain a reasonable
level of compliance, renew with minimal effort, and cost. We believe that these permit and license requirements represent a potential
barrier to entry for possible competitors.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">PFF,
located in Gainesville, Florida, operates its hazardous, mixed and low-level radioactive waste activities under a Resource Conservation
and Recovery Act (&#8220;RCRA&#8221;) Part B permit, Toxic Substances Control Act (&#8220;TSCA&#8221;) authorization, Restricted RX Drug
Distributor-Destruction license, biomedical, and a radioactive materials license issued by the State of Florida.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">DSSI,
located in Kingston, Tennessee, conducts mixed and low-level radioactive waste storage and treatment activities under RCRA Part B permits
and a radioactive materials license issued by the State of Tennessee Department of Environment and Conservation. Co-regulated TSCA Polychlorinated
Biphenyl (&#8220;PCB&#8221;) wastes are also managed for PCB destruction under EPA Approval.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">PFNWR,
located in Richland, Washington, operates a low-level radioactive waste processing facility as well as a mixed waste processing facility.
Radioactive material processing is authorized under radioactive materials licenses issued by the State of Washington and mixed waste
processing is additionally authorized under a RCRA Part B permit with TSCA authorization issued jointly by the State of Washington and
the EPA.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">EWOC,
located in Oak Ridge, Tennessee, operates a low-level radioactive waste material processing facility. Radioactive material processing
is authorized under radioactive material licenses issued by the State of Tennessee Department of Environmental and Conservation, Division
of radiological health.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
combination of RCRA Part B hazardous waste permits, TSCA authorizations, and radioactive material licenses held by the Company and its
subsidiaries comprising our Treatment Segment is very difficult to obtain for a single facility and make this Segment unique.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
believe that the permitting and licensing requirements, and the cost to obtain such permits, are barriers to the entry of hazardous waste
and radioactive and mixed waste activities as presently operated by our waste treatment subsidiaries. If the permit requirements for
hazardous waste treatment, storage, and disposal (&#8220;TSD&#8221;) activities and/or the licensing requirements for the handling of
low-level radioactive matters are eliminated or if such licenses or permits were made less rigorous to obtain, we believe such would
allow companies to enter into these markets and provide greater competition.</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Number
of Employees</b></span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">At
December 31, 2021, we employed approximately 286 employees, of whom 275 are full-time employees and 11 are part-time/temporary employees.
None of our employees are unionized.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Dependence
Upon a Single or Few Customers</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
Treatment and Services Segments have significant relationships with the U.S. governmental authorities. Our Services Segment also had
significant relationships with the Canadian government authorities. A significant amount of our revenues from our Treatment and Services
Segments are generated indirectly as subcontractors for others who are prime contractors to government authorities, particularly the
DOE and DOD, or directly as the prime contractor to government authorities. The contracts that we are a party to with others as subcontractors
to the U.S federal government or directly with the U.S federal government generally provide that the government may terminate the contract
at any time for convenience at the government&#8217;s option. The contracts/task order agreements (&#8220;TOA&#8221;) that we are a party
to with Canadian governmental authorities also generally provide that the government authorities may terminate the contracts/task order
agreements at any time for any reason for convenience. Project work under TOAs with Canadian government authority has substantially been
completed. Our inability to continue under existing contracts that we have with U.S government authorities (directly or indirectly as
a subcontractor) or significant reductions in the level of governmental funding in any given year could have a material adverse impact
on our operations and financial condition.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
performed services relating to waste generated by government clients (domestic and foreign (primarily Canadian)), either indirectly for
others as a subcontractor to government entities or directly as a prime contractor to government entities, representing approximately
$60,812,000, or 84.2%, of our total revenue during 2021, as compared to $96,582,000, or 91.6%, of our total revenue during
2020.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Revenue
generated by us as a subcontractor to a customer for a remediation project performed for a government entity (the DOE) within our Services
Segment in 2021 and 2020 accounted for approximately $8,526,000 or 11.8% and $41,011,000 or 38.9% (included in revenues generated
relating to government clients above) of our total revenue for 2021 and 2020, respectively. This project was completed in the second
quarter of 2021.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
our revenues are project/event based where the completion of one contract with a specific customer may be replaced by another contract
with a different customer from year to year, we do not believe the loss of one specific customer from one year to the next will generally
have a material adverse effect on our operations and financial condition.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Competitive
Conditions</b></span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Treatment Segment&#8217;s largest competitor is EnergySolutions which operates treatment facilities in Oak Ridge, TN and Erwin, TN and
treatment/disposal facilities for low level radioactive waste in Clive, UT and Barnwell, SC. Waste Control Specialists, which has licensed
treatment/disposal capabilities for low level radioactive waste in Andrews, TX, is also a competitor in the treatment market with increasing
market share. These two competitors also provide us with options for disposal of our treated nuclear waste. The Treatment Segment treats
and disposes of DOE generated waste largely at DOE owned sites. Our Treatment Segment currently solicits business primarily on a North
America basis with both government and commercial clients; however, we continue to focus on emerging international markets for additional
work.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
Services Segment is engaged in highly competitive businesses in which a number of our government contracts and some of our commercial
contracts are awarded through competitive bidding processes. The extent of such competition varies according to the industries and markets
in which our customers operate as well as the geographic areas in which we operate. The degree and type of competition we face is also
often influenced by the project specification being bid on and the different specialty skill sets of each bidder for which our Services
Segment competes, especially projects subject to the governmental bid process. We also have the ability to prime federal government small
business procurements (small business set asides). Based on past experience, we believe that large businesses are more willing to team
with small businesses in order to be part of these often-substantial procurements. There are a number of qualified small businesses in
our market that will provide intense competition that may provide a challenge to our ability to maintain strong growth rates and acceptable
profit margins. For international business there are additional competitors, many from within the country the work is to be performed,
making winning work in foreign countries more challenging. If our Services Segment is unable to meet these competitive challenges, it
could lose market share and experience an overall reduction in its profits.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Certain
Environmental Expenditures and Potential Environmental Liabilities</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Environmental
Liabilities</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
have three remediation projects, which are currently in progress relating to our Perma-Fix of Dayton, Inc. (&#8220;PFD&#8221;), Perma-Fix
of Memphis, Inc. (&#8220;PFM&#8221;), and Perma-Fix South Georgia, Inc. (&#8220;PFSG&#8221;) subsidiaries, which are all included within
our discontinued operations. These remediation projects principally entail the removal/remediation of contaminated soil and, in most
cases, the remediation of surrounding ground water. These remediation activities are closely reviewed and monitored by the applicable
state regulators.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">At
December 31, 2021, we had total accrued environmental remediation liabilities of $876,000, an increase of $22,000 from the December 31,
2020 balance of $854,000. The net increase represents an increase of $100,000 made to the reserve at our PFSG subsidiary due to reassessment
of the reserve and payments of approximately $78,000 for remediation projects for the three subsidiaries. At December 31, 2021, $349,000
of the total accrued environmental liabilities was recorded as current.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
nature of our business exposes us to significant cost to comply with governmental environmental laws, rules and regulations and risk
of liability for damages. Such potential liability could involve, for example, claims for cleanup costs, personal injury or damage to
the environment in cases where we are held responsible for the release of hazardous materials; claims of employees, customers or third
parties for personal injury or property damage occurring in the course of our operations; and claims alleging negligence or professional
errors or omissions in the planning or performance of our services. In addition, we could be deemed a potentially responsible party (&#8220;PRP&#8221;)
for the costs of required cleanup of properties, which may be contaminated by hazardous substances generated or transported by us to
a site we selected, including properties owned or leased by us. We could also be subject to fines and civil penalties in connection with
violations of regulatory requirements.</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>R&amp;D</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Innovation
and technical know-how by our operations is very important to the success of our business. Our goal is to discover, develop and bring
to market innovative ways to process waste that address unmet environmental needs. We conduct research internally, and also through collaborations
with other third parties. The majority of our research activities are performed as we receive new and unique waste to treat. Our competitors
also devote resources to R&amp;D and many such competitors have greater resources at their disposal than we do. R&amp;D totaled $746,000
and $762,000 for 2021 and 2020, respectively. See above discussion under &#8220;Business &#8211; Company Overview and Principal Products
and Services&#8221; as to the Company&#8217;s decision to cease all R&amp;D activities under its Medical Segment and the sale of PFM
Poland.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Governmental
Regulation</b></span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Environmental
companies, such as us, and their customers are subject to extensive and evolving environmental laws and regulations by a number of federal,
state and local environmental, safety and health agencies, the principal of which being the EPA. These laws and regulations largely contribute
to the demand for our services. Although our customers remain responsible by law for their environmental problems, we must also comply
with the requirements of those laws applicable to our services. We cannot predict the extent to which our operations may be affected
by future enforcement policies as applied to existing laws or by the enactment of new environmental laws and regulations. Moreover, any
predictions regarding possible liability are further complicated by the fact that under current environmental laws we could be jointly
and severally liable for certain activities of third parties over whom we have little or no control. Although we believe that we are
currently in substantial compliance with applicable laws and regulations, we could be subject to fines, penalties or other liabilities
or could be adversely affected by existing or subsequently enacted laws or regulations. The principal environmental laws affecting our
customers and us are briefly discussed below.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>The
Resource Conservation and Recovery Act of 1976, as amended (&#8220;RCRA&#8221;)</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">RCRA
and its associated regulations establish a strict and comprehensive permitting and regulatory program applicable to companies, such as
us, that treat, store or dispose of hazardous waste. The EPA has promulgated regulations under RCRA for new and existing treatment, storage
and disposal facilities including incinerators, storage and treatment tanks, storage containers, storage and treatment surface impoundments,
waste piles and landfills. Every facility that treats, stores or disposes of hazardous waste must obtain a RCRA permit or must obtain
interim status from the EPA, or a state agency, which has been authorized by the EPA to administer its program, and must comply with
certain operating, financial responsibility and closure requirements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>The
Comprehensive Environmental Response, Compensation and Liability Act of 1980 (&#8220;CERCLA,&#8221; also referred to as the &#8220;Superfund
Act&#8221;)</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">CERCLA
governs the cleanup of sites at which hazardous substances are located or at which hazardous substances have been released or are threatened
to be released into the environment. CERCLA authorizes the EPA to compel responsible parties to clean up sites and provides for punitive
damages for noncompliance. CERCLA imposes joint and several liabilities for the costs of clean up and damages to natural resources.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Health
and Safety Regulations</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
operation of our environmental activities is subject to the requirements of the OSHA and comparable state laws. Regulations promulgated
under OSHA by the Department of Labor require employers of persons in the transportation and environmental industries, including independent
contractors, to implement hazard communications, work practices and personnel protection programs in order to protect employees from
equipment safety hazards and exposure to hazardous chemicals.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Atomic
Energy Act</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Atomic Energy Act of 1954 governs the safe handling and use of Source, Special Nuclear and Byproduct materials in the U.S. and its territories.
This act authorized the Atomic Energy Commission (now the Nuclear Regulatory Commission &#8220;USNRC&#8221;) to enter into &#8220;Agreements
with states to carry out those regulatory functions in those respective states except for Nuclear Power Plants and federal facilities
like the VA hospitals and the DOE operations.&#8221; The State of Florida Department of Health (with the USNRC oversight), Office of
Radiation Control, regulates the licensing and radiological program of the PFF facility; the State of Tennessee (with the USNRC oversight),
Tennessee Division of Radiological Health, regulates licensing and the radiological program of the DSSI facility and the EWOC facility;
and the State of Washington (with the USNRC oversight) Department of Health, regulates licensing and the radiological operations of the
PFNWR facility.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Other
Laws</b></span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
activities are subject to other federal environmental protection and similar laws, including, without limitation, the Clean Water Act,
the Clean Air Act, the Hazardous Materials Transportation Act and the TSCA. Many states have also adopted laws for the protection of
the environment which may affect us, including laws governing the generation, handling, transportation and disposition of hazardous substances
and laws governing the investigation and cleanup of, and liability for, contaminated sites. Some of these state provisions are broader
and more stringent than existing federal law and regulations. Our failure to conform our services to the requirements of any of these
other applicable federal or state laws could subject us to substantial liabilities which could have a material adverse effect on us,
our operations and financial condition. In addition to various federal, state and local environmental regulations, our hazardous waste
transportation activities are regulated by the U.S. Department of Transportation, the Interstate Commerce Commission and transportation
regulatory bodies in the states in which we operate. We cannot predict the extent to which we may be affected by any law or rule that
may be enacted or enforced in the future, or any new or different interpretations of existing laws or rules.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.7in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="q_003"></span>ITEM
    1A.</b></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>RISK
    FACTORS</b></span></td></tr>
  </table>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>The
following are certain risk factors that could affect our business, financial performance, and results of operations. These risk factors
should be considered in connection with evaluating the forward-looking statements contained in this Form 10-K, as the forward-looking
statements are based on current expectations, and actual results and conditions could differ materially from the current expectations.
Investing in our securities involves a high degree of risk, and before making an investment decision, you should carefully consider these
risk factors as well as other information we include or incorporate by reference in the other reports we file with the Securities and
Exchange Commission (the &#8220;Commission&#8221;).</i></span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Risk
Related to COVID-19</b></span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>COVID-19
could result in material adverse effects on our business, financial position, results of operations and cash flows.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
extent of the impact of the COVID-19 pandemic on our business is uncertain and difficult to predict, as the responses to the pandemic
continue to evolve rapidly. Our Treatment Segment&#8217;s revenue has been negatively impacted by continued waste shipment delays from
certain customers since the latter part of the first quarter of 2020 at the start of the pandemic. Within our Services Segment, we experienced
delays in procurement actions and contract awards in the first half of 2021 and work under certain new projects won in the second half
of 2021 was curtailed/delayed from the impact of COVID-19, among other things. At this time, we expect waste shipment receipts to improve
starting in the second quarter of 2022 as certain of our customers reinstates return-to-work schedules and activities under project to
start ramping up as the impact of COVID-19 starts to ease up. However, the severity of the impact the COVID-19 pandemic on our business
will depend on a number of factors, including, but not limited to, the duration and severity of the pandemic, impact from emergence of
potential new variants of the virus, the extent and severity of the impact on our customers, the impact on governmental programs and
budgets, and how quickly and to what extent normal economic and operating conditions resume, all of which are uncertain and cannot be
predicted with any accuracy or confidence at this time. Our future results of operations and liquidity could be adversely impacted from
the continued impact of COVID-19, including continued delays in waste shipments and contract awards, and/or occurrence of project work
shut downs by our customers or us.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Risks
Relating to our Business and Operations</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Failure
to maintain our financial assurance coverage that we are required to have in order to operate </b></span><b><span style="font-family: Times New Roman, Times, Serif">our
permitted treatment, storage and disposal facilities could have a material adverse effect on us.</span></b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
maintain finite risk insurance policies and bonding mechanisms which provide financial assurance to the applicable states for our permitted
facilities in the event of unforeseen closure of those facilities. We are required to provide and to maintain financial assurance that
guarantees to the state that in the event of closure, our permitted facilities will be closed in accordance with the regulations. In
the event that we are unable to obtain or maintain our financial assurance coverage for any reason, this could materially impact our
operations and our permits which we are required to have in order to operate our treatment, storage, and disposal facilities.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Further
supply chain constraints may negatively impact our operations and our financial results.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
use various commercially available materials and supplies which include among other things chemicals, containers/drums and personal protection
equipment (&#8220;PPE&#8221;) in our operations. We generally source these items from various suppliers in order to take advantage of
competitive pricing.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
also utilize various types of equipment, which include among other things trucks, flatbeds, lab equipment, heavy machineries, in carrying
out our business operations. Our equipment may be obtained through direct purchase, rental option or leases. Within our Services Segment,
equipment required for projects are often provided by our subcontractors as part of our contract agreement with the subcontractor. Due
to some of our specialized waste treatment processes, certain equipment that we utilize are designed and built to our specifications.
We rely on various commercial equipment suppliers for the construction of these equipment. Due to recent supply chain constraints, we
experienced a delay in the delivery of a new waste processing unit to us by our supplier due to shortage of parts required for the construction
of the unit, among other things. Delivery of this unit was expected during the third quarter of 2021 but did not occur until the first
quarter of 2022. The supply chain interruption delayed deployment of our new technology which negatively impacted our revenue for 2021
as associated revenue was not able to be generated. Continued increases in pricing and/or potential delays in procurements of material
and supplies and equipment required for our operations resulting from further tightening supply chain could further adversely affect
our operations and profitability.</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>If
we cannot maintain adequate insurance coverage, we will be unable to continue certain operations.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
business exposes us to various risks, including claims for causing damage to property and injuries to persons that may involve allegations
of negligence or professional errors or omissions in the performance of our services. Such claims could be substantial. We believe that
our insurance coverage is presently adequate and similar to, or greater than, the coverage maintained by other companies in the industry
of our size. If we are unable to obtain adequate or required insurance coverage in the future, or if our insurance is not available at
affordable rates, we would violate our permit conditions and other requirements of the environmental laws, rules, and regulations under
which we operate. Such violations would render us unable to continue certain of our operations. These events would have a material adverse
effect on our financial condition.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>The
inability to maintain existing government contracts or win new government contracts over an extended period could have a material adverse
effect on our operations and adversely affect our future revenues.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">A
material amount of our Treatment and Services Segments&#8217; revenues are generated through various government contracts or subcontracts
(domestic and foreign (primarily Canadian)). Our revenues from governmental contracts and subcontracts relating to governmental facilities
within our segments were approximately $60,812,000, or 84.2%, and $96,582,000, or 91.6%, of our consolidated revenues for
2021 and 2020, respectively. Project work under contracts/task order agreements with Canadian government authorities has substantially
been completed. Most of our government contracts or our subcontracts granted under government contracts are awarded through a regulated
competitive bidding process. Some government contracts are awarded to multiple competitors, which increase overall competition and pricing
pressure and may require us to make sustained post-award efforts to realize revenues under these government contracts. Contracts with,
or subcontracts involving, the U.S federal government are generally terminable for convenience at any time at the option of the governmental
agency. The contracts/TOAs that we are a party to with Canadian governmental authorities also generally provide that the government authorities
may terminate the contracts/TOAs at any time for any reason for convenience. If we fail to maintain or replace these relationships, or
if a material contract is terminated or renegotiated in a manner that is materially adverse to us, our revenues and future operations
could be materially adversely affected.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Our
existing and future customers may reduce or halt their spending on hazardous waste and nuclear services with outside vendors, including
us.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">A
variety of factors may cause our existing or future customers (including government clients) to reduce or halt their spending on hazardous
waste and nuclear services from outside vendors, including us. These factors include, but are not limited to:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">accidents,
                                            terrorism, natural disasters or other incidents occurring at nuclear facilities or involving
                                            shipments of nuclear materials;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">failure
                                            of government to approve necessary budgets, or to reduce the amount of the budget necessary,
                                            to fund remediation sites, including DOE and DOD sites;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">civic
                                            opposition to or changes in government policies regarding nuclear operations;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">a
                                            reduction in demand for nuclear generating capacity; or</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">failure
                                            to perform under existing contracts, directly or indirectly, with the government.</span></td></tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">These
events could result in or cause government clients to terminate or cancel existing contracts involving us to treat, store or dispose
of contaminated waste and/or to perform remediation projects, at one or more of government sites. These events also could adversely affect
us to the extent that they result in the reduction or elimination of contractual requirements, lower demand for nuclear services, burdensome
regulation, disruptions of shipments or production, increased operational costs or difficulties or increased liability for actual or
threatened property damage or personal injury.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Economic
downturns, reductions in government funding or other events beyond our control (such as the continued impact of COVID-19) could have
a material negative impact on our businesses.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Demand
for our services has been, and we expect that demand will continue to be, subject to significant fluctuations due to a variety of factors
beyond our control, including, without limitation, economic conditions, reductions in the budget for spending to remediate federal sites
due to numerous reasons including, without limitation, the substantial deficits that the federal government has and is continuing to
incur, and/or the continued impact resulting from COVID-19. During economic downturns, large budget deficits that the federal government
and many states are experiencing, and other events beyond our control, including, but not limited to the impact from COVID-19, the ability
of private and government entities to spend on waste services, including nuclear services, may decline significantly. Our operations
depend, in large part, upon governmental funding (for example, the annual budget of the DOE) or specifically mandated levels for different
programs that are important to our business could have a material adverse impact on our business, financial position, results of operations
and cash flow.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>The
loss of one or a few customers could have an adverse effect on us.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">One
or a few governmental customers or governmental related customers have in the past, and may in the future, account for a significant
portion of our revenue in any one year or over a period of several consecutive years. Because customers generally contract with us for
specific projects, we may lose these significant customers from year to year as their projects with us are completed. Our inability to
replace the business with other similar significant projects could have an adverse effect on our business and results of operations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><b>We
are a holding company and depend, in large part, on receiving funds from our subsidiaries to fund our indebtedness.</b></span></p>

<p style="font: italic bold 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Because
we are a holding company and operations are conducted through our subsidiaries, our ability to meet our obligations depends, in large
part, on the operating performance and cash flows of our subsidiaries.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Our
Treatment Segment has limited end disposal sites to utilize to dispose of its waste which could significantly impact our results of operations.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
Treatment Segment has limited options available for disposal of our nuclear waste. Currently, there are only four commercial disposal
sites for our low-level radioactive waste and four commercial disposal sites for our very low-level activity waste we receive from non-governmental
sites, allowing us to take advantage of the pricing competition between these sites. If one or more of these commercial disposal sites
ceases to accept waste or closes for any reason or refuses to accept the waste of our Treatment Segment, for any reason, we would have
limited remaining site to dispose of our nuclear waste. With limited end disposal site to dispose of our waste, we could be subject to
significantly increased costs which could negatively impact our results of operations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Our
operations are subject to seasonal factors, which cause our revenues to fluctuate.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
have historically experienced reduced revenues and losses during the first and fourth quarters of our fiscal years due to a seasonal
slowdown in operations from poor weather conditions, overall reduced activities during these periods resulting from holiday periods,
and finalization of government budgets during the fourth quarter of each year. During our second and third fiscal quarters there has
historically been an increase in revenues and operating profits. If we do not continue to have increased revenues and profitability during
the second and third fiscal quarters, this could have a material adverse effect on our results of operations and liquidity.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>We
are engaged in highly competitive businesses and typically must bid against other competitors to obtain major contracts.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
are engaged in highly competitive business in which most of our government contracts and some of our commercial contracts are awarded
through competitive bidding processes. We compete with national, regional firms and some international firms with nuclear and/or hazardous
waste services practices, as well as small or local contractors. Some of our competitors have greater financial and other resources than
we do, which can give them a competitive advantage. In addition, even if we are qualified to work on a new government contract, we might
not be awarded the contract because of existing government policies designed to protect certain types of businesses and under-represented
minority contractors. Although we believe we have the ability to certify and bid government contract as a small business, there are a
number of qualified small businesses in our market that will provide intense competition. For international business, which we continue
to focus on, there are additional competitors, many from within the country the work is to be performed, making winning work in foreign
countries more challenging. Competition places downward pressure on our contract prices and profit margins. If we are unable to meet
these competitive challenges, we could lose market share and experience on overall reduction in our profits.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>We
bear the risk of cost overruns in fixed-price contracts. We may experience reduced profits or, in some cases, losses under these contracts
if costs increase above our estimates.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
revenues may be earned under contracts that are fixed-price or maximum price in nature. Fixed-price contracts expose us to a number of
risks not inherent in cost-reimbursable contracts. Under fixed price and guaranteed maximum-price contracts, contract prices are established
in part on cost and scheduling estimates which are based on a number of assumptions, including assumptions about future economic conditions,
prices and availability of labor, equipment and materials, and other exigencies. If these estimates prove inaccurate, or if circumstances
change such as unanticipated technical problems, difficulties in obtaining permits or approvals, changes in laws or labor conditions,
continued supply chain interruptions, weather delays, cost of raw materials, our suppliers&#8217; or subcontractors&#8217; inability
to perform, and/or other events beyond our control, such as the impact of COVID-19, cost overruns may occur and we could experience reduced
profits or, in some cases, a loss for that project. Errors or ambiguities as to contract specifications can also lead to cost-overruns.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Adequate
bonding is necessary for us to win certain types of new work and support facility closure requirements.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
are often required to provide performance bonds to customers under certain of our contracts, primarily within our Services Segment. These
surety instruments indemnify the customer if we fail to perform our obligations under the contract. If a bond is required for a particular
project and we are unable to obtain it due to insufficient liquidity or other reasons, we may not be able to pursue that project. In
addition, we provide bonds to support financial assurance in the event of facility closure pursuant to state requirements. We currently
have a bonding facility but, the issuance of bonds under that facility is at the surety&#8217;s sole discretion. Moreover, due to events
that affect the insurance and bonding markets generally, bonding may be more difficult to obtain in the future or may only be available
at significant additional cost. There can be no assurance that bonds will continue to be available to us on reasonable terms. Our inability
to obtain adequate bonding and, as a result, to bid on new work could have a material adverse effect on our business, financial condition
and results of operations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>If
we cannot maintain our governmental permits or cannot obtain required permits, we may not be able to continue or expand our operations.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
are a nuclear services and waste management company. Our business is subject to extensive, evolving, and increasingly stringent federal,
state, and local environmental laws and regulations. Such federal, state, and local environmental laws and regulations govern our activities
regarding the treatment, storage, recycling, disposal, and transportation of hazardous and non-hazardous waste and low-level radioactive
waste. We must obtain and maintain permits or licenses to conduct these activities in compliance with such laws and regulations. Failure
to obtain and maintain the required permits or licenses would have a material adverse effect on our operations and financial condition.
If any of our facilities are unable to maintain currently held permits or licenses or obtain any additional permits or licenses which
may be required to conduct its operations, we may not be able to continue those operations at these facilities, which could have a material
adverse effect on us.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Risks
Related to Laws and Regulations</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>As
a government contractor, we are subject to extensive government regulation, and our failure to comply with applicable regulations could
subject us to penalties that may restrict our ability to conduct our business.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
governmental contracts or subcontracts relating to DOE sites, are a significant part of our business. Allowable costs under U.S. government
contracts are subject to audit by the U.S. government. If these audits result in determinations that costs claimed as reimbursable are
not allowed costs or were not allocated in accordance with applicable regulations, we could be required to reimburse the U.S. government
for amounts previously received.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Governmental
contracts or subcontracts involving governmental facilities are often subject to specific procurement regulations, contract provisions
and a variety of other requirements relating to the formation, administration, performance and accounting of these contracts. Many of
these contracts include express or implied certifications of compliance with applicable regulations and contractual provisions. If we
fail to comply with any regulations, requirements or statutes, our existing governmental contracts or subcontracts involving governmental
facilities could be terminated or we could be suspended from government contracting or subcontracting. If one or more of our governmental
contracts or subcontracts are terminated for any reason, or if we are suspended or debarred from government work, we could suffer a significant
reduction in expected revenues and profits. Furthermore, as a result of our governmental contracts or subcontracts involving governmental
facilities, claims for civil or criminal fraud may be brought by the government or violations of these regulations, requirements or statutes.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Changes
in environmental regulations and enforcement policies could subject us to additional liability and adversely affect our ability to continue
certain operations.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
cannot predict the extent to which our operations may be affected by future governmental enforcement policies as applied to existing
environmental laws, by changes to current environmental laws and regulations, or by the enactment of new environmental laws and regulations.
Any predictions regarding possible liability under such laws are complicated further by current environmental laws which provide that
we could be liable, jointly and severally, for certain activities of third parties over whom we have limited or no control.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Our
businesses subject us to substantial potential environmental liability.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
business of rendering services in connection with management of waste, including certain types of hazardous waste, low-level radioactive
waste, and mixed waste (waste containing both hazardous and low-level radioactive waste), subjects us to risks of liability for damages.
Such liability could involve, without limitation:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">claims
                                            for clean-up costs, personal injury or damage to the environment in cases in which we are
                                            held responsible for the release of hazardous or radioactive materials;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">claims
                                            <span style="font-size: 10pt">of employees, customers, or third parties for personal injury
                                            or property damage occurring in the course of our operations; and</span></span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">claims
                                            <span style="font-size: 10pt">alleging negligence or professional errors or omissions in
                                            the planning or performance of our services.</span></span></td></tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
operations are subject to numerous environmental laws and regulations. We have in the past, and could in the future, be subject to substantial
fines, penalties, and sanctions for violations of environmental laws and substantial expenditures as a responsible party for the cost
of remediating any property which may be contaminated by hazardous substances generated by us and disposed at such property, or transported
by us to a site selected by us, including properties we own or lease.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>As
our operations expand, we may be subject to increased litigation, which could have a negative impact on our future financial results.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
operations are highly regulated and we are subject to numerous laws and regulations regarding procedures for waste treatment, storage,
recycling, transportation, and disposal activities, all of which may provide the basis for litigation against us. In recent years, the
waste treatment industry has experienced a significant increase in so-called &#8220;toxic-tort&#8221; litigation as those injured by
contamination seek to recover for personal injuries or property damage. We believe that, as our operations and activities expand, there
will be a similar increase in the potential for litigation alleging that we have violated environmental laws or regulations or are responsible
for contamination or pollution caused by our normal operations, negligence or other misconduct, or for accidents, which occur in the
course of our business activities. Such litigation, if significant and not adequately insured against, could adversely affect our financial
condition and our ability to fund our operations. Protracted litigation would likely cause us to spend significant amounts of our time,
effort, and money. This could prevent our management from focusing on our operations and expansion.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>If
environmental regulation or enforcement is relaxed, the demand for our services could decrease.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
demand for our services is substantially dependent upon the public&#8217;s concern with, and the continuation and proliferation of, the
laws and regulations governing the treatment, storage, recycling, and disposal of hazardous, non-hazardous, and low-level radioactive
waste. A decrease in the level of public concern, the repeal or modification of these laws, or any significant relaxation of regulations
relating to the treatment, storage, recycling, and disposal of hazardous waste and low-level radioactive waste could significantly reduce
the demand for our services and could have a material adverse effect on our operations and financial condition. We are not aware of any
current federal or state government or agency efforts in which a moratorium or limitation has been, or will be, placed upon the creation
of new hazardous or radioactive waste regulations that would have a material adverse effect on us; however, no assurance can be made
that such a moratorium or limitation will not be implemented in the future.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>We
and our customers operate in a politically sensitive environment, and the public perception of nuclear power and radioactive materials
can affect our customers and us.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
and our customers operate in a politically sensitive environment. Opposition by third parties to particular projects can limit the handling
and disposal of radioactive materials. Adverse public reaction to developments in the disposal of radioactive materials, including any
high-profile incident involving the discharge of radioactive materials, could directly affect our customers and indirectly affect our
business. Adverse public reaction also could lead to increased regulation or outright prohibition, limitations on the activities of our
customers, more onerous operating requirements or other conditions that could have a material adverse impact on our customers&#8217;
and our business.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>The
elimination or any modification of the Price-Anderson Acts indemnification authority could have adverse consequences for our business.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Atomic Energy Act of 1954, as amended, or the AEA, comprehensively regulates the manufacture, use, and storage of radioactive materials.
The Price-Anderson Act (&#8220;PAA&#8221;) supports the nuclear services industry by offering broad indemnification to DOE contractors
for liabilities arising out of nuclear incidents at DOE nuclear facilities. That indemnification protects DOE prime contractor, but also
similar companies that work under contract or subcontract for a DOE prime contract or transporting radioactive material to or from a
site. The indemnification authority of the DOE under the PAA was extended through 2025 by the Energy Policy Act of 2005.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Under
certain conditions, the PAA&#8217;s indemnification provisions may not apply to our processing of radioactive waste at governmental facilities,
and may not apply to liabilities that we might incur while performing services as a contractor for the DOE and the nuclear energy industry.
If an incident or evacuation is not covered under PAA indemnification, we could be held liable for damages, regardless of fault, which
could have an adverse effect on our results of operations and financial condition. If such indemnification authority is not applicable
in the future, our business could be adversely affected if the owners and operators of new facilities fail to retain our services in
the absence of commercial adequate insurance and indemnification.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Risks
Relating to our Financial Performance and Position and Need for Financing</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>If
any of our permits, other intangible assets, and tangible assets becomes impaired, we may be required to record significant charges to
earnings.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Under
accounting principles generally accepted in the United States (&#8220;U.S. GAAP&#8221;), we review our intangible and tangible assets
for impairment when events or changes in circumstances indicate the carrying value may not be recoverable. Our permits are tested for
impairment at least annually. Factors that may be considered a change in circumstances, indicating that the carrying value of our permit,
other intangible assets, and tangible assets may not be recoverable, include a decline in stock price and market capitalization, reduced
future cash flow estimates, and slower growth rates in our industry. We may be required, in the future, to record impairment charges
in our financial statements, in which any impairment of our permit, other intangible assets, and tangible assets is determined. Such
impairment charges could negatively impact our results of operations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Breach
of any of the covenants in our credit facility could result in a default, triggering repayment of outstanding debt under the credit facility
and the termination of our credit facility.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
credit facility with our bank contains financial covenants. A breach of any of these covenants could result in a default under our credit
facility triggering our lender to immediately require the repayment of all outstanding debt under our credit facility and terminate all
commitments to extend further credit. We failed to meet our quarterly fixed charge coverage ratio (&#8220;FCCR&#8221;) requirement for
the second and fourth quarters of 2021; however, our lender waived these instances of non-compliance. We were not required to perform
testing of our FCCR in the third quarter of 2021. As a result of a recent amendment to our credit facility, our lender has removed the
FCCR testing requirement for the first quarter of 2022 and revised the methodology to be used in calculating the FCCR for the second
to the fourth quarters of 2022. Additionally, in the past, when we also failed to meet our minimum FCCR requirement, our lender has either
waived these instances of non-compliance or provided certain amendments to our FCCR requirements which enabled us to meet our quarterly
FCCR requirements. Additionally, our lender has in the past approved that testing of the FCCR is not required in certain quarters. If
we fail to meet any of our financial covenants going forward, including the minimum quarterly FCCR requirement, and our lender does not
further waive the non-compliance or further revise our covenant requirement so that we are in compliance, our lender could accelerate
the payment of our borrowings under our credit facility and terminate our credit facility. In such event, we may not have sufficient
liquidity to repay our debt under our credit facility and other indebtedness and/or operate our business.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Our
debt and borrowing availability under our credit facility could adversely affect our operations.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">At
December 31, 2021, our aggregate consolidated debt was approximately $993,000. Our Second Amended and Restated Revolving Credit, Term
Loan and Security Agreement dated May 8, 2020 provides for a total credit facility commitment of approximately $19,742,000, consisting
of a $18,000,000 revolving line of credit and a term loan balance of approximately $1,742,000. The maximum we can borrow under the revolving
part of the credit facility is based on a percentage of the amount of our eligible receivables outstanding at any one time reduced by
outstanding standby letters of credit and any borrowing reduction that our lender has or may impose from time to time. At December 31,
2021, we had no borrowing under the revolving part of our credit facility and borrowing availability of up to an additional $8,692,000.
As a result of a recent amendment to our credit facility, we are required to maintain a minimum of $3,000,000 in borrowing availability
under the revolving credit until the minimum FCCR requirement for the quarter ended June 30, 2022 has been met and certified to our lender.
A lack of positive operating results could have material adverse consequences on our ability to operate our business. Our ability to
make principal and interest payments, to refinance indebtedness, and borrow under our credit facility will depend on both our and our
subsidiaries&#8217; future operating performance and cash flow. Prevailing economic conditions, interest rate levels, and financial,
competitive, business, and other factors affect us. Many of these factors are beyond our control, including the impact of COVID-19.</span></p>

<p style="font: italic bold 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><b>Our
indebtedness could limit our financial and operating activities, and adversely affect our ability to incur additional debt to fund future
needs.</b></span></p>

<p style="font: italic bold 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
a result of our indebtedness, we could, among other things, be:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">required
                                            to dedicate a substantial portion of our cash flow to the payment of principal and interest,
                                            thereby reducing the funds available for operations and future business opportunities;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">make
                                            it more difficult for us to satisfy our obligations;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">limit
                                            our ability to borrow additional money if needed for other purposes, including working capital,
                                            capital expenditures, debt service requirements, acquisitions and general corporate or other
                                            purposes, on satisfactory terms or at all;</span></td></tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">limit
                                            our ability to adjust to changing economic, business and competitive conditions;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">place
                                            us at a competitive disadvantage with competitors who may have less indebtedness or greater
                                            access to financing;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">make
                                            us more vulnerable to an increase in interest rates, a downturn in our operating performance
                                            or a decline in general economic conditions; and</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">make
                                            us more susceptible to changes in credit ratings, which could impact our ability to obtain
                                            financing in the future and increase the cost of such financing.</span></td></tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Any
of the foregoing could adversely impact our operating results, financial condition, and liquidity. Our ability to continue our operations
depends on our ability to generate profitable operations or complete equity or debt financings to increase our capital.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>We
may be unable to utilize loss carryforwards in the future.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
have approximately $19,920,000 and $72,767,000 in net operating loss carryforwards for federal and state income tax purposes,
respectively and expires in various amounts starting in 2021 if not used against future federal and state income tax liabilities, respectively.
Approximately $19,725,000 of our federal net operating loss carryforwards were generated after December 31, 2017 and thus do not
expire. Our net loss carryforwards are subject to various limitations. Our ability to use the net loss carryforwards depends on whether
we are able to generate sufficient income in the future years. Further, our net loss carryforwards have not been audited or approved
by the Internal Revenue Service.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Risks
Relating to our Common Stock</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Issuance
of substantial amounts of our Common Stock could depress our stock price or dilute the percentage ownership of our Common Stockholders.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Any
sales of substantial amounts of our Common Stock in the public market could cause an adverse effect on the market price of our Common
Stock and could impair our ability to raise capital through the sale of additional equity securities. The issuance of our Common Stock
will result in the dilution in the percentage membership interest of our stockholders and the dilution in ownership value. At December
31, 2021, we had 13,214,910 shares of Common Stock outstanding. In addition, at December 31, 2021, we had outstanding options to purchase
1,019,400 shares of our Common Stock at exercise prices ranging from $2.79 to $7.50 per share and an outstanding warrant to purchase
60,000 shares of our Common Stock at exercise price of $3.51 per share. Future sales of the shares issuable could also depress the market
price of our Common Stock.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>We
do not intend to pay dividends on our Common Stock in the foreseeable future.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Since
our inception, we have not paid cash dividends on our Common Stock, and we do not anticipate paying any cash dividends in the foreseeable
future. Our credit facility prohibits us from paying cash dividends on our Common Stock without prior approval from our lender.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>The
price of our Common Stock may fluctuate significantly, which may make it difficult for our stockholders to resell our Common Stock when
a stockholder wants or at prices a stockholder finds attractive.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
price of our Common Stock on the NASDAQ Capital Markets constantly changes. We expect that the market price of our Common Stock will
continue to fluctuate. This may make it difficult for our stockholders to resell the Common Stock when a stockholder wants or at prices
a stockholder finds attractive.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>General
Risk Factors</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Loss
of certain key personnel could have a material adverse effect on us.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
success depends on the contributions of our key management, environmental and engineering personnel. Our future success depends on our
ability to retain and expand our staff of qualified personnel, including environmental specialists and technicians, sales personnel,
and engineers. Without qualified personnel, we may incur delays in rendering our services or be unable to render certain services. We
cannot be certain that we will be successful in our efforts to attract and retain qualified personnel as their availability is limited
(especially in the current labor market environment) due to the demand for hazardous waste management services and the highly competitive
nature of the hazardous waste management industry. We do not maintain key person insurance on any of our employees, officers, or directors.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>We
may not be successful in winning new business mandates from our government and commercial customers or international customers.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
must be successful in winning mandates from our government, commercial customers and international customers to replace revenues from
projects that we have completed or that are nearing completion and to increase our revenues. Our business and operating results can be
adversely affected by the size and timing of a single material contract.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Our
failure to maintain our safety record could have an adverse effect on our business.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
safety record is critical to our reputation. In addition, many of our government and commercial customers require that we maintain certain
specified safety record guidelines to be eligible to bid for contracts with these customers. Furthermore, contract terms may provide
for automatic termination in the event that our safety record fails to adhere to agreed-upon guidelines during performance of the contract.
As a result, our failure to maintain our safety record could have a material adverse effect on our business, financial condition and
results of operations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Systems
failures, interruptions or breaches of security and other cyber security risks could have an adverse effect on our financial condition
and results of operations.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
are subject to certain operational risks to our information systems. Because of efforts on the part of computer hackers and cyberterrorists
to breach data security of companies, we face risk associated with potential failures to adequately protect critical corporate, customer
and employee data. As part of our business, we develop and retain confidential data about us and our customers, including the U.S. government.
We also rely on the services of a variety of vendors to meet our data processing and communications needs.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Despite
our implemented security measures and established policies, we cannot be certain that all of our systems are entirely free from vulnerability
to attack or other technological difficulties or failures or failures on the part of our employees to follow our established security
measures and policies. Information security risks have increased significantly. Our technologies, systems, and networks may become the
target of cyber-attacks, computer viruses, malicious code, or information security breaches that could result in the unauthorized release,
gathering, monitoring, misuse, loss or destruction of our or our customers&#8217; confidential, proprietary and other information and
the disruption of our business operations. A security breach could adversely impact our customer relationships, reputation and operation
and result in violations of applicable privacy and other laws, financial loss to us or to our customers or to our employees, and litigation
exposure. While we maintain a system of internal controls and procedures, any breach, attack, or failure as discussed above could have
a material adverse impact on our business, financial condition, and results of operations or liquidity.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">There
is also an increasing attention on the importance of cybersecurity relating to infrastructure. This creates the potential for future
developments in regulations relating to cybersecurity that may adversely impact us, our customers and how we offer our services to our
customers.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>We
may be exposed to certain regulatory and financial risks related to climate change<i>.</i></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>&#160;</i></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Climate
change is receiving ever increasing attention from scientists, legislators and the public. The debate is ongoing as to the extent to
which our climate is changing, the potential causes of this change and its potential impacts. Some attribute global warming to increased
levels of greenhouse gases, including carbon dioxide, which has led to significant legislative and regulatory efforts to limit greenhouse
gas emissions. Presently there are no federally mandated greenhouse gas reduction requirements in the United States. However, there are
a number of legislative and regulatory proposals to address greenhouse gas emissions, which are in various phases of discussion or implementation.
The outcome of federal and state actions to address global climate change could result in a variety of regulatory programs including
potential new regulations. Any adoption by federal or state governments mandating a substantial reduction in greenhouse gas emissions
could increase costs associated with our operations. Until the timing, scope and extent of any future regulation becomes known, we cannot
predict the effect on our financial position, operating results and cash flows.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>We
believe our proprietary technology is important to us.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
believe that it is important that we maintain our proprietary technologies. There can be no assurance that the steps taken by us to protect
our proprietary technologies will be adequate to prevent misappropriation of these technologies by third parties. Misappropriation of
our proprietary technology could have an adverse effect on our operations and financial condition. Changes to current environmental laws
and regulations also could limit the use of our proprietary technology.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Failure
to maintain effective internal control over financial reporting or failure to remediate a material weakness in internal control over
financial reporting could have a material adverse effect on our business, operating results, and stock price.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Maintaining
effective internal control over financial reporting is necessary for us to produce reliable financial reports and is important in helping
to prevent financial fraud. If we are unable to maintain adequate internal controls, our business and operating results could be harmed.
We are required to satisfy the requirements of Section 404 of Sarbanes Oxley and the related rules of the Commission, which require,
among other things, management to assess annually the effectiveness of our internal control over financial reporting. As a result
of this assessment for the year ending December 31, 2021, management concluded that a material weakness existed in  internal control over financial reporting related to the application of ASC 606, &#8220;Revenue from Contracts with Customers,&#8221;
specifically to contracts that contain nonstandard terms and conditions (see &#8220;Item 9A &#8211; Controls and Procedures&#8221; for
a discussion of this material weakness and our remediation plan). If we fail to remediate this material weakness, there is a reasonable possibility that a misstatement of our annual or interim financial
statements will not be prevented or detected in a timely manner. If we cannot produce reliable financial reports, investors could lose
confidence in our reported financial information, the market price of our common stock could decline significantly, and our business,
financial condition, and reputation could be harmed.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Delaware
law, certain of our charter provisions, our stock option plans, outstanding warrants and our Preferred Stock may inhibit a change of
control under circumstances that could give you an opportunity to realize a premium over prevailing market prices.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
are a Delaware corporation governed, in part, by the provisions of Section 203 of the General Corporation Law of Delaware, an anti-takeover
law. In general, Section 203 prohibits a Delaware public corporation from engaging in a &#8220;business combination&#8221; with an &#8220;interested
stockholder&#8221; for a period of three years after the date of the transaction in which the person became an interested stockholder,
unless the business combination is approved in a prescribed manner. As a result of Section 203, potential acquirers may be discouraged
from attempting to effect acquisition transactions with us, thereby possibly depriving our security holders of certain opportunities
to sell, or otherwise dispose of, such securities at above-market prices pursuant to such transactions. Further, certain of our option
plans provide for the immediate acceleration of, and removal of restrictions from, options and other awards under such plans upon a &#8220;change
of control&#8221; (as defined in the respective plans). Such provisions may also have the result of discouraging acquisition of us.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
have authorized and unissued 15,698,048 (which include shares issuable under outstanding options to purchase 1,019,400 shares of our
Common Stock and shares issuable under an outstanding warrant to purchase 60,000 shares of our Common Stock) shares of our Common Stock
and 2,000,000 shares of our Preferred Stock as of December 31, 2021. These unissued shares could be used by our management to make it
more difficult for, and thereby discourage, an attempt to acquire control of us.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Third
party expectations relating to Environment, Social and Governance (&#8220;ESG&#8221;) factors may impose additional costs and expose
us and our clients to new risks.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
have renewed our commitment and focus on sustainability and ESG efforts. There is an increasing focus from certain investors and certain
of our customers, and other stakeholders concerning corporate responsibility, specifically related to ESG factors. Some investors may
use these factors to guide their investment strategies and, in some cases, may choose not to invest in us, or otherwise do business with
us, if they believe our policies relating to corporate responsibility are inadequate or do not align with theirs. Third party providers
of corporate responsibility ratings and reports on companies have increased in number, resulting in varied standards. In addition, the
criteria by which companies&#8217; corporate responsibility practices are assessed are evolving, which could result in greater expectations
of us and cause us to undertake costly initiatives to satisfy such new criteria. Alternatively, if we elect not to or are unable to satisfy
such new criteria or do not meet the criteria of a specific third party provider, some investors may conclude that our policies with
respect to corporate responsibility are inadequate. We may face reputational damage in the event that our corporate responsibility procedures
or standards do not meet the standards set by various constituencies. If we fail to satisfy the expectations of investors, our customers
and other stakeholders or our initiatives are not executed as planned, our reputation and financial results could be adversely affected
and our revenues, results of operations and ability to grow our business may be negatively impacted. Additionally, new legislative or
regulatory initiatives related to ESG could adversely affect our business.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Our
profitability is vulnerable to inflation&#160;and cost increases.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Increases
in any of our operating costs, including changes in fuel prices (which impacts our transportation cost), wage rates, supplies, and utility
costs, may increase our overall cost of goods sold or operating expenses. These cost increases may be the result of inflationary pressures
that could further reduce profitability. Competitive pressures in our industry may have the effect of inhibiting our ability to reflect
these increased costs in the prices of our services provided to our customers and therefore reduce our profitability.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.7in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="q_004"></span>ITEM
    1B.</b></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>UNRESOLVED
    STAFF COMMENTS</b></span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Not
Applicable.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.7in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="q_005"></span>ITEM
    2.</b></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>PROPERTIES</b></span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
principal executive office is in Atlanta, Georgia. Our Business Center is located in Oak Ridge, Tennessee. Our Treatment Segment facilities
are located in Gainesville, Florida; Kingston, Tennessee; Richland, Washington; and Oak Ridge, Tennessee. All of the properties where
these facilities operate on are pledged to our senior lender as collateral for our credit facility with the exception of the property
at Oak Ridge, Tennessee which is leased. Our Services Segment maintains offices, which are all leased properties. We maintain properties
in Valdosta, Georgia and Memphis, Tennessee, which are all non-operational and are included within our discontinued operations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company currently leases properties in the following locations for operations and administrative functions within our Treatment and Services
Segments, including our corporate office and Business Center:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 54%"><span style="font-family: Times New Roman, Times, Serif">Location</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 22%; text-align: center"><p style="font-family: Times New Roman, Times, Serif; text-align: center; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Square
                                            Footage(SF)/</span></p>
                                                                                <p style="font-family: Times New Roman, Times, Serif; text-align: center; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Acreage
                                            (AC)</span></p></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center; width: 18%"><span style="font-family: Times New Roman, Times, Serif">Expiration
    of Lease</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Oak Ridge, TN (Business Center)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">16,319
                                            SF</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">April 30, 2026</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Oak Ridge, TN (Services)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">5,000
                                            SF</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">September 30, 2022</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Blaydon On Tyne, England (Services)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">1,000
                                            SF</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Monthly</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">New Brighton, PA (Services)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">3,558
                                            SF</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">June 30, 2022</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Newport, KY (Services)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">1,566
                                            SF</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Monthly</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Pembroke, Ontario, Canada (Services)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">800
                                            SF</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Monthly</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Atlanta, GA (Corporate)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">6,499
                                            SF</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">July 31, 2024</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Oak Ridge, TN (Treatment)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">8.7
                                            AC, including 17,400 SF</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">September 30, 2023</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
believe that the above facilities currently provide adequate capacity for our operations and that additional facilities are readily available
in the regions in which we operate, which could support and supplement our existing facilities.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.7in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="q_006"></span>ITEM
    3.</b></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>LEGAL
    PROCEEDINGS</b></span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">See
&#8220;Part II &#8211; Item 8 - Financial Statements and Supplementary Data &#8211; Notes to Consolidated Financial Statements &#8211;
Note 15 &#8211; Commitments and Contingencies &#8211; Legal Matters&#8221; for a discussion of our legal proceedings.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.7in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="q_007"></span>ITEM
    4.</b></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>MINE
    SAFETY DISCLOSURE </b></span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Not
Applicable.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="q_008"></span>PART
II</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.7in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="q_009"></span>ITEM
    5.</b></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>MARKET
    FOR REGISTRANT&#8217;S COMMON EQUITY AND RELATED STOCKHOLDER MATTERS</b></span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
Common Stock is traded on the NASDAQ Capital Markets (&#8220;NASDAQ&#8221;) under the symbol &#8220;PESI.&#8221; The following table
sets forth the high and low market trade prices quoted for the Common Stock during the periods shown. The source of such quotations and
information is the NASDAQ online trading history reports.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 11pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 60%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><p style="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">2021</span></p> <p style="font: 11pt Times New Roman, Times, Serif; margin: 0"></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><p style="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Low</span></p> <p style="font: 11pt Times New Roman, Times, Serif; margin: 0"></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">High</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><p style="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Low</span></p> <p style="font: 11pt Times New Roman, Times, Serif; margin: 0"></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">High</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left; width: 24%"><span style="font-family: Times New Roman, Times, Serif">Common
    Stock</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 22%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1<sup>st
    </sup>Quarter</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 9%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">5.74</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 9%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">7.99</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 9%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3.82</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 9%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">9.50</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif">2<sup>nd
        </sup>Quarter</span></p> <p style="font: 11pt Times New Roman, Times, Serif; margin: 0"></p></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">6.70</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">7.95</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">4.76</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">6.54</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif">3<sup>rd
        </sup>Quarter</span></p> <p style="font: 11pt Times New Roman, Times, Serif; margin: 0"></p></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">7.40</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif">4<sup>th
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    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">7.30</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">5.80</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">7.13</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">At
February 14, 2022, there were approximately 134 stockholders of record of our Common Stock. The actual number of our stockholders is
greater than this number, and includes beneficial owners whose shares are held in &#8220;street name&#8221; by banks, brokers, and other
nominees.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Since
our inception, we have not paid any cash dividends on our Common Stock and have no dividend policy. Our loan agreement dated May 8, 2020
prohibits us from paying any cash dividends on our Common Stock without prior approval from our lender. We do not anticipate paying cash
dividends on our outstanding Common Stock in the foreseeable future.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">There
were no purchases made by us or on behalf of us or any of our affiliated members of shares of our Common Stock during 2021.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">See
&#8220;Note 6 - Capital Stock, Stock Plans, Warrants, and Stock Based Compensation&#8221; in Part II, Item 8, &#8220;Financial Statements
and Supplementary Data&#8221; and &#8220;Equity Compensation Plans&#8221; in Part III, Item 12, &#8220;Security Ownership of Certain
Beneficial Owners and Management and Related Stockholders Matter&#8221; for securities authorized for issuance under equity compensation
plans which are incorporated herein by reference.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; width: 0.7in; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="q_010"></span>ITEM
6.</b></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left; vertical-align: bottom"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>SELECTED
                                            FINANCIAL DATA</b></span></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt"></p></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Not
required under Regulation S-K for smaller reporting companies.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif">
    <td style="font: 11pt Times New Roman, Times, Serif; vertical-align: top; width: 0.7in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="q_011"></span>ITEM
    7.</b></span></td>
    <td style="font: 11pt Times New Roman, Times, Serif; vertical-align: bottom; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>MANAGEMENT&#8217;S
    DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS</b></span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Certain
statements contained within this &#8220;Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations&#8221;
(&#8220;MD&amp;A&#8221;) may be deemed &#8220;forward-looking statements&#8221; within the meaning of Section 27A of the Act, and Section
21E of the Securities Exchange Act of 1934, as amended (collectively, the &#8220;Private Securities Litigation Reform Act of 1995&#8221;).
See &#8220;Special Note regarding Forward-Looking Statements&#8221; contained in this report.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Management&#8217;s
discussion and analysis is based, among other things, upon our audited consolidated financial statements and includes our accounts, the
accounts of our wholly-owned subsidiaries, the accounts of our majority-owned Polish subsidiary (which was sold in December 2021 &#8211;
see a discussion below &#8220;PF Medical&#8221; for a discussion of this sale), and the account of a variable interest entity for which
we are the primary beneficiary, after elimination of all significant intercompany balances and transactions.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following discussion and analysis should be read in conjunction with our consolidated financial statements and the notes thereto included
in Item 8 of this report.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>COVID-19
Impact</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
2021 financial results continued to be impacted by COVID-19 with the emergence of new COVID variants. Our Treatment Segment&#8217;s
revenue has been negatively impacted by continued waste shipment delays from certain customers since the latter part of the first quarter
of 2020 at the start of the pandemic. However, we expect to see a gradual return in waste receipts from these customers starting in the
second quarter of 2022 as we expect our customers to start easing up on COVID-19 restrictions, including reinstating return-to-work schedules
in the upcoming months. Additionally, as a result of the constraint in supply chain, we experienced a delay in the delivery of a new
technology waste processing unit from our supplier which negatively impacted our revenue as associated revenue was not able to be generated.
Delivery of this unit had been expected during the third quarter of 2021 but did not occur until the first quarter of 2022. Within our
Services Segment, we experienced delays in procurement actions and contract awards resulting primarily from the impact of COVID-19. However,
since the end of the second quarter of 2021, we were awarded a number of new contracts, including a fixed price contract awarded to us
at the end of the third quarter of 2021 with a value of approximately $40,000,000 for the decommissioning of a navy ship, with work expected
to be completed over an eighteen to twenty-four month period. Due to customer administrative delay and/or continued COVID-19 impact
experienced by certain customers, work under certain of our new awards was temporarily curtailed/delayed which negatively impacted
our revenue. We expect to see a ramp-up in activities from certain of these new projects starting in the second quarter
of 2022. Within our Treatment and Services Segments, we continue to have bids currently submitted and awaiting awards.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
management team continues to proactively update our ongoing business operations and safety plans in an effort to mitigate any potential
impact of COVID-19. We continue to monitor government mandates and recommendations and remain focused on protecting the health and well-being
of our employees and the communities in which we operate while assuring the continuity of our business operations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">At
this time, we believe we have sufficient liquidity on hand to continue business operations during the next twelve months. At December
31, 2021, we had borrowing availability under our revolving credit facility of approximately $8,692,000 which was based on a percentage
of eligible receivables and subject to certain reserves and included our cash on hand of approximately $4,440,000. As a result of a recent
amendment to our Loan Agreement, we are required to maintain a minimum of $3,000,000 in borrowing availability under our revolving credit
until the minimum FCCR requirement for the quarter ended June 30, 2022 has been met and certified to our lender (see &#8220;Financing
Activities&#8221; within this MD&amp;A for a discussion of this amendment). We continue to assess the need in reducing operating costs
during this volatile time, which may include curtailing certain capital expenditures and eliminating non-essential expenditures.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
are closely monitoring our customers&#8217; payment performance. However, since a significant portion of our revenues is derived from
government related contracts, we do not expect our accounts receivable collections to be materially impacted due to COVID-19.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
the situations surrounding COVID-19 continues to remain fluid, the full impact and extent of the pandemic on our financial results and
liquidity cannot be estimated with any degree of certainty. We continue to closely monitor the impact of the COVID-19 pandemic on all
aspects of our business.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Review</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify">Our overall revenue decreased $33,235,000
or 31.5% to $72,191,000 for the twelve months ended December 31, 2021 from $105,426,000 for the corresponding period
of 2020. The revenue decrease was entirely within our Services Segment where revenue decreased by approximately $36,084,000 or
47.9% to $39,199,000 for the twelve months ended December 31, 2021 from $75,283,000 for the corresponding period of 2020
primarily due to delays in contract awards resulting primarily from the impact of COVID-19 as discussed above which was further exacerbated
by the completion of a certain large project in the Services Segment in the second quarter of 2021 and the near completion of
another certain large project in 2021. As discussed above, although we were awarded a number of new contracts within
the Services Segment since the end of the second quarter of 2021, work under certain of these new awards was temporarily curtailed/delayed
due to customer administrative delay and/or COVID-19 impact experienced by the customer. However, we expect to see a ramp-up in
activities from certain of these new projects starting in the second quarter of 2022. Treatment Segment revenue increased by $2,849,000
or 9.5% to $32,992,000 for the twelve months ended December 31, 2021 from $30,143,000 for the corresponding period of 2020. Our Treatment
Segment revenue for the twelve months ended December 31, 2021 included approximately $1,286,000 recognized in the third quarter of 2021
from a request for equitable adjustment (&#8220;REA&#8221;) resulting from certain pricing provisions of a government related contract.
The increase in revenue within our Treatment Segment in 2021 was also attributed to higher waste volume from commercial waste generators.
Despite the increase in our Treatment Segment revenue, our Treatment Segment revenue has not returned to pre-pandemic level and has continued
to be impacted by delays in waste shipments from certain customers resulting from the shutdown of waste generating activities in
the field due to slow return-to-work schedules from the impact of COVID-19 since the start of the pandemic. However, we expect
to see a gradual return in waste receipts from these customers starting in the second quarter of 2022. Additionally, delayed delivery
of a new technology waste processing unit by our supplier due to supply chain issue as discussed above also negatively impacted our revenue
as processing of associated revenue did not occur. Gross profit decreased $9,069,000 or 57.1% primarily due to the revenue
decrease in the Services Segment. Selling, General, and Administrative (&#8220;SG&amp;A&#8221;) expenses increased by approximately $1,071,000
or 9.1% for the twelve months ended December 31, 2021 as compared to the corresponding period of 2020.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>PF
Medical</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
previously disclosed, our Medical Segment business, conducted through our majority-owned Polish subsidiary, Perma-Fix Medical S.A (&#8220;PFM
Poland&#8221;), and PFM Poland&#8217;s wholly-owned subsidiary, Perma-Fix Medical Corporation, a Delaware corporation (&#8220;PFMC&#8221;),
had not generated any revenue and had substantially reduced R&amp;D activities of our medical isotope production technology due to the
need for capital to fund these activities. During December 2021, we made the strategic decision to cease all R&amp;D activities under
the Medical Segment and sold 100% of our interest in PFM Poland for a nominal amount. As a condition precent to the sale of PFM Poland,
we acquired PFMC after its conversion to a Delaware limited liability company. Additionally, as further condition precedent to the sale
of PFM Poland, we released PFM Poland from unsatisfied trade payables owed by PFM Poland to us totaling approximately $2,537,000 (USD).
As a result of the sale of PFM Poland, we deconsolidated the entity from our consolidated financial statements and recorded a non-cash
&#8220;Loss on deconsolidation of subsidiary&#8221; of approximately $1,062,000 on our Consolidated Statement of Operations for the year
ended December 31, 2021.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Business
Environment</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
Treatment and Services Segments&#8217; business continues to be heavily dependent on services that we provide to governmental clients,
primarily as subcontractors for others who are prime contractors to government entities or directly as the prime contractor. We believe
demand for our services will continue to be subject to fluctuations due to a variety of factors beyond our control, including, without
limitation, the economic conditions, the manner in which the applicable government will be required to spend funding to remediate various
sites, and/or the impact resulting from COVID-19 as discussed above. In addition, our governmental contracts and subcontracts relating
to activities at governmental sites in the United States are generally subject to termination for convenience at any time at the government&#8217;s
option, and our governmental contracts/task orders with the Canadian government authorities also allow the authorities to terminate the
contract/task orders at any time for convenience. Our work under contracts/task order agreements with Canadian government authorities
has substantially been completed. See &#8220;Known Trends
and Uncertainties &#8211; Perma-Fix Canada, Inc. (&#8220;PF Canada&#8221;)&#8221; for additional discussion as to a terminated Canadian
task order agreement. Significant reductions in the level of governmental funding or specifically mandated levels for different programs
that are important to our business could have a material adverse impact on our business, financial position, results of operations and
cash flows.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
are continually reviewing methods to raise additional capital to supplement our liquidity requirements, when needed, and reducing our
operating costs. We continue to aggressively bid on various contracts, including potential contracts within the international markets.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Results
of Operations</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
reporting of financial results and pertinent discussions are tailored to our three reportable segments: The Treatment Segment (&#8220;Treatment&#8221;),
the Services Segment (&#8220;Services&#8221;), and the Medical Segment (&#8220;Medical&#8221;) (see &#8220;PF Medical&#8221; above for
a discussion of the cease of all R&amp;D activities under the Medical Segment and the sale of 100% of PFM Poland which comprises the
Medical Segment).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span style="text-decoration: underline">Summary
- Years Ended December 31, 2021 and 2020</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Below
are the results of continuing operations for years ended December 31, 2021 and 2020 (amounts in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Revenue</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consolidated
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify">&#160;</p>

<table cellpadding="0" cellspacing="0" style="font: 11pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
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    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; text-align: justify; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>1)
</sup>Includes wastes generated by government clients of $2,299,000 and $1,976,000 for the twelve months ended December 31, 2021 and
2020, respectively.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify">Treatment Segment revenue increased $2,849,000
or 9.5% for the twelve months ended December 31, 2021 over the same period in 2020. The increase in Other nuclear waste was attributed
to higher waste volume from commercial waste generators as our Treatment Segment continues its efforts to expand into the commercial
market domestically and internationally. Revenue from government waste generators for the twelve months ended December 31, 2021 included
approximately $1,286,000 recognized in the third quarter of 2021 from a REA resulting
from certain pricing provisions of a contract. In 2021, revenue from government waste generators within our Treatment Segment continued
to be impacted by delayed waste shipment from certain customers due to the impact of COVID-19. However, we expect to see a gradual return
<span style="color: #252525">in waste receipts from these customers starting in the second quarter of 2022. As previously discussed,
the delay in deployment of our new waste processing technology unit due to supply chain constraint also negatively impacted our Treatment
Segment revenue in 2021. </span>Services Segment revenue decreased $36,084,000 or 47.9% for the twelve months ended December
31, 2021 over the same period in 2020. As previously disclosed, our Services Segment revenue for the first half of 2021 was impacted
primarily by delays in procurement actions and contract awards resulting from the impact of COVID-19 and the completion of a certain
large contract in the second quarter of 2021 and the near completion of a certain other project. Since the end of the second quarter
of 2021, our Services Segment was awarded a number of new contracts. However, due to COVID-19 impact and/or administrative delay by the
customer under certain of these new awards, our Services Segment revenue was impacted by temporary curtailment/delay in work under certain
of these new projects. Our Services Segment expects to see a ramp- up of activities from certain of these new projects starting
in the second quarter of 2022. Our Services Segment revenues are project based; as such, the scope, duration and completion of
each project vary. As a result, our Services Segment revenues are subject to differences relating to timing and project value.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Cost
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Cost
of goods sold decreased $24,166,000 for the year ended December 31, 2021, as compared to the year ended December 31, 2020, as
follows:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></p>

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were higher by approximately $430,000; depreciation expenses were higher by approximately $100,000; regulatory expenses were higher by
approximately $64,000; travel expenses were higher by approximately $14,000; and maintenance expenses were lower by $115,000. Services
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Gross
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Gross
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Treatment
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from the REA as discussed above. The decrease in gross profit and gross margin in the Services Segment was primarily due to lower revenue
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>SG&amp;A</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">SG&amp;<span style="text-transform: uppercase">A
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">132</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right">(<span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">61</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left">)<span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">PF
    Medical</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">414</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">311</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">103</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">762</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(16</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Research
and development costs consist primarily of employee salaries and benefits, laboratory costs, third party fees, and other related costs
associated with the development of new technologies and technological enhancement of new potential waste treatment processes. See &#8220;PF
Medical&#8221; above for a discussion of the strategic decision made by us to cease all R&amp;D activities under the Medical Segment
during the fourth quarter of 2021.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Interest
Income</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Interest
income decreased by approximately $114,000 for the twelve months ended December 31 2021 as compared to the corresponding period of 2020
primarily due to lower interest earned from our finite risk sinking fund.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Interest
Expense</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Interest
expense decreased by approximately $151,000 for the twelve months ended December 31, 2021 as compared to the corresponding period of
2020 primarily due to lower interest expense from our declining term loan balance outstanding. Also, interest expense was lower resulting
from the payoff of the $2,500,000 loan at year end 2020 that we had previously entered into with Robert Ferguson on April 1, 2019.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Interest
Expense- Financing Fees</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Interest
expense-financing fees decreased by approximately $253,000 for the twelve months ended December 31, 2021 as compared to the corresponding
period 2020 primarily due to debt discount/debt issuance costs that became fully amortized as financing fees at year end 2020 in connection
with the issuance of our Common Stock and a Warrant as consideration for us receiving the $2,500,000 loan from Robert Ferguson dated
April 1, 2019.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Income
Taxes</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
regularly assess the likelihood that the deferred tax asset will be recovered from future taxable income. We consider projected future
taxable income and ongoing tax planning strategies, then record a valuation allowance to reduce the carrying value of the net deferred
income taxes to an amount that is more likely than not to be realized. For the year ended December 31, 2020, we maintained a full valuation
allowance against net deferred income tax assets because insufficient evidence existed to support the realization of any future income
tax benefits. Since the end of the second quarter of 2021, however, we entered into a number of new contracts awarded to the Company&#8217;s
Services Segment (including a contract award with a value of approximately $40,000,000 for the decommissioning of a navy ship). As a
result of these new contracts, we expected future profitability and improved overall prospects of future business. As such,
as of September 30, 2021, we determined that it was more likely than not that we would be able to realize a portion of the deferred
income tax assets. As a result, a deferred income tax benefit in the amount of approximately $2,351,000 attributable to the valuation
allowance release on beginning of year deferred tax assets primarily related to U.S. Federal income taxes was realized in the three months
ended September 30, 2021. We continue to maintain a valuation allowance against certain state and foreign tax attributes that may not
be realizable along with the capital loss carryover generated during 2021 that we do not expect to realize.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
had income tax benefits of $3,890,000 and $189,000 for continuing operations for the twelve months ended December 31, 2021 and
2020, respectively. Our effective tax rates were approximately 139.0% and (6.4%) for the twelve months ended December 31, 2021
and 2020, respectively. Our effective tax rate for the twelve months ended December 31, 2021 was substantially impacted by the release
of valuation allowance as discussed above. Our tax rate for the twelve months ended December 31, 2020 was impacted by the full valuation
on our net deferred tax assets. For the twelve months ended December 31, 2021, the primary reasons for the differences between our effective
tax rate and statutory tax rate were due to the aforementioned release of valuation allowance and the forgiveness of our PPP Loan which
is included in our Consolidated Statement of Operations as &#8220;Gain on extinguishment of debt&#8221; but is exempt from income taxes.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Backlog</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
Treatment Segment maintains a backlog of stored waste, which represents waste that has not been processed. The backlog is principally
a result of the timing and complexity of the waste being brought into the facilities and the selling price per container. At December
31, 2021, our Treatment Segment had a backlog of approximately $7,129,000, as compared to approximately $7,631,000 at December 31, 2020.
Additionally, the time it takes to process waste from the time it arrives may increase due to the types and complexities of the waste
we are currently receiving. We typically process our backlog during periods of low waste receipts, which historically has been in the
first or fourth quarters.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Discontinued
Operations and Environmental Contingencies</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
discontinued operations consist of all our subsidiaries included in our Industrial Segment which encompasses subsidiaries divested in
2011 and prior and three previously closed locations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
discontinued operations had no revenue for the twelve months ended December 31, 2021 and 2020. We incurred net losses of $421,000 (net
of tax benefit of $139,000) and $412,000 (net of tax expense of $0) for our discontinued operations for the twelve months ended December
31, 2021 and 2020, respectively. We have three environmental remediation projects, all within our discontinued operations, which principally
entail the removal/remediation of contaminated soil, and, in most cases, the remediation of surrounding ground water. Our loss for fiscal
year 2021 within our discontinued operations included an increase of $100,000 made to the remediation reserve for our PFSG subsidiary
due to reassessment of the reserve. See a discussion of the environmental reserves and the related liabilities in &#8220;Part II - Item
8 &#8211; Financial Statements and Supplementary Data &#8211; Notes to Consolidate Financial Statements &#8211; Note 9 &#8211; Discontinued
Operations &#8211; Environmental Liabilities.&#8221;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Liquidity
and Capital Resources</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
cash flow requirements during the twelve months ended December 31, 2021 were primarily financed by our operations, credit facility availability
and an equity raise that was consummated at the end of the third quarter of 2021 which we received gross proceeds of approximately $6,200,000
from subscription agreements that we entered into with certain institutional and retail investors for the sale and issuance of 1,000,000
shares of our Common Stock in a registered direct offering (see &#8220;Financing Activities&#8221; below for additional information on
this equity raise). At December 31, 2021, we had cash on hand of approximately $4,440,000. As previously disclosed, we have ceased all
R&amp;D activities under our Medical Segment and sold our majority-owned subsidiary, PFM Poland. Subject to the impact of COVID-19 as
discussed above, our cash flow requirements for the next twelve months will consist primarily of general working capital needs, scheduled
principal payments on our debt obligations, remediation projects, and planned capital expenditures. We plan to fund these requirements
from our operations, credit facility availability, our capital expenditure line, and cash on hand. We are continually reviewing operating
costs and reviewing the possibility of further reducing operating costs and non-essential expenditures to bring them in line with revenue
levels, when necessary. At this time, we believe that our cash flows from operations, our available liquidity from our credit facility,
our capital expenditure line and our cash on hand should be sufficient to fund our operations for the next twelve months. However, due
to the uncertainty of COVID-19, there are no assurances such will be the case.</span> See discussion under &#8220;Liquidity and Capital
Resources &#8211; Investing Activities&#8221; as to potential funding of an investment under the joint venture term sheet.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table reflects the cash flow activity for the year ended December 31, 2021 and the corresponding period of 2020:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; text-align: justify">(In thousands)</td><td style="padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center">2021</td><td style="padding-bottom: 1pt">&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center">2020</td><td style="padding-bottom: 1pt">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 64%; text-align: justify">Cash&#160;&#160;(used in) provided by operating activities of continuing operations</td><td style="width: 2%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 14%; text-align: right">(6,316</td><td style="width: 1%; text-align: left">)</td><td style="width: 2%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 14%; text-align: right">7,867</td><td style="width: 1%; text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
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    <td style="text-align: left">&#160;</td><td style="text-align: right">(499</td><td style="text-align: left">)</td></tr>
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    <td style="text-align: left">&#160;</td><td style="text-align: right">(1,711</td><td style="text-align: left">)</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
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    <td style="text-align: left">&#160;</td><td style="text-align: right">&#8212;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">118</td><td style="text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: justify">Cash provided by financing activities of continuing operations</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">4,943</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">1,892</td><td style="text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: justify; padding-bottom: 1pt">Effect of exchange rate changes on cash</td><td style="padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; text-align: left">&#160;</td><td style="border-bottom: Black 1pt solid; text-align: right">(1</td><td style="padding-bottom: 1pt; text-align: left">)</td><td style="padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; text-align: left">&#160;</td><td style="border-bottom: Black 1pt solid; text-align: right">6</td><td style="padding-bottom: 1pt; text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: justify; padding-bottom: 2.5pt">(Decrease) increase in cash and finite risk sinking fund (restricted cash)</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right">(3,459</td><td style="padding-bottom: 2.5pt; text-align: left">)</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right">7,673</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td></tr>
  </table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 9pt"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">At
December 31, 2021, we were in a positive cash position with no revolving credit balance. At December 31, 2021, we had cash on hand of
approximately $4,440,000, which includes account balances of our foreign subsidiaries totaling approximately $26,000.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Operating
Activities</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify">Accounts receivable, net of allowances
for doubtful accounts, totaled $11,372,000 at December 31, 2021, an increase of $1,713,000 from the December 31, 2020 balance
of $9,659,000. The increase was primarily due to timing of accounts receivable collection and timing of invoicing. Our contracts with
our customers are subject to various payment terms and conditions; therefore, our accounts receivable are impacted by these terms and
conditions and the related timing of accounts receivable collections. Additionally, contracts with our customers may sometimes result
in modifications which can cause delays in collections.</p>

<p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify">Unbilled receivables totaled $8,995,000
at December 31, 2021, a decrease of $5,458,000 from the December 31, 2020 balance of $14,453,000. The decrease in unbilled
receivables was primarily within our Services Segment due to invoicing and collection of accounts receivable on certain large projects
which have been completed or are near completion.</p>

<p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify">Accounts payable, totaled $11,975,000
at December 31, 2021, a decrease of $3,407,000 from the December 31, 2020 balance of $15,382,000. Our accounts payable are
impacted by the timing of payments as we are continually managing payment terms with our vendors to maximize our cash position throughout
all segments.</p>

<p style="font: 10pt Courier New, Courier, Monospace; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify">We had working capital of $4,060,000
(which included working capital of our discontinued operations) at December 31, 2021, as compared to working capital of $3,672,000
at December 31, 2020. Our working capital was positively impacted by the forgiveness of the entire balance of our Paycheck Protection
Program (&#8220;PPP&#8221;) Loan, along with accrued interest, by the U.S. Small Business Administration (&#8220;SBA&#8221;) effective
June 15, 2021 (see &#8220;CARES Act &#8211; PPP Loan&#8221; for information on this loan&#8221;) and the proceeds that we received from
subscription agreements that we entered into with certain institutional and retail investors, for the sale and issuance of 1,000,000
shares of our Common Stock in a registered direct offering (see &#8220;Financing Activities&#8221; below for a discussion of this direct
offering). The positive impact was reduced by our results of operations which were heavily impacted from COVID-19 as discussed above.</p><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Investing
Activities</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">During
2021, our purchases of capital equipment totaled approximately $2,162,000, of which $585,000 was subject to financing, with the
remaining funded from cash from operations and our credit facility. We have budgeted approximately $2,000,000 for 2022 capital expenditures
primarily for our Treatment and Services Segments to maintain operations and regulatory compliance requirements and support revenue growth.
Certain of these budgeted projects may either be delayed until later years or deferred altogether. We plan to fund our capital expenditures
from cash from operations and/or financing. The initiation and timing of projects are also determined by financing alternatives or funds
available for such capital projects.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify">During March 2022, we signed a
joint venture term sheet addressing plans to partner with Springfields Fuels Limited (&#8220;SFL&#8221;), an affiliate of Westinghouse
Electric Company LLC, to develop and manage a nuclear waste-materials treatment facility (the &#8220;Facility&#8221;) in the United Kingdom.
The Facility is for the purpose of expanding the partners&#8217; waste treatment capabilities for the European nuclear market. It is
expected that upon finalization of a partnership agreement, SFL will have an ownership interest of fifty-five (55) percent and our interest
will be forty-five (45) percent. The finalization, form and capitalization of this unpopulated partnership is subject to numerous conditions,
including but not limited to, completion and execution of a definitive agreement and facility design and the granting of required regulatory,
lender or permitting approvals. Upon finalization of this venture, we will be required to make an investment in this venture. The amount
of our investment, the period of which it is to be made and the method of funding are to be determined.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Financing
Activities</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
entered into a Second Amended and Restated Revolving Credit, Term Loan and Security Agreement, dated May 8, 2020 (&#8220;Loan Agreement&#8221;),
with PNC National Association (&#8220;PNC&#8221;), acting as agent and lender. The Loan Agreement provides us with the following credit
facility with a maturity date of March 15, 2024: (a) up to $18,000,000 revolving credit (&#8220;revolving credit&#8221;) and (b) a term
loan (&#8220;term loan&#8221;) of approximately $1,742,000, requiring monthly installments of $35,547. The maximum that we can borrow
under the revolving credit is based on a percentage of eligible receivables (as defined) at any one time reduced by outstanding standby
letters of credit and borrowing reductions that our lender may impose from time to time.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">During
2021, we entered into several amendments to our Loan Agreement with our lender, which provided the following, among other things:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">revised
                                            our fixed charge coverage ratio (&#8220;FCCR&#8221;) calculation requirement which allows
                                            for the add-back of approximately $5,318,000 in eligible expenses that were incurred and
                                            covered by the PPP Loan that we received in 2020. The add-back is to be applied retroactively
                                            to the second and third quarters of 2020. (see below for a discussion of the PPP Loan);</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">a
                                            capital expenditure line of up to $1,000,000 with advances on the line, subject to certain
                                            limitations, permitted for up to twelve months starting May 4, 2021 (the &#8220;Borrowing
                                            Period&#8221;). Only interest is payable on advances during the Borrowing Period (see annual
                                            rate of interest below on the capital expenditure line). At the end of the Borrowing Period,
                                            the total amount advanced under the line will amortize equally based on a five-year amortization
                                            schedule with principal payment due monthly plus interest. At the maturity date of the Loan
                                            Agreement, any unpaid principal balance plus interest, if any, will become due. No advance
                                            on the capital line has been made as of December 31, 2021.</span></td></tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">waived
                                            our failure to meet the minimum quarterly FCCR requirement for the second quarter of 2021;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">removed
                                            the quarterly FCCR testing requirement for the third quarter of 2021;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">reinstated
                                            the quarterly FCCR testing requirement starting for the fourth quarter of 2021 and revised
                                            the methodology to be used in calculating the FCCR for the quarters ending December 31, 2021,
                                            March 31, 2022, and June 30, 2022 (with no change to the minimum 1.15:1 ratio requirement
                                            for each quarter); and</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">required
                                            maintenance of a minimum of $3,000,000 in borrowing availability under the revolving credit
                                            until the minimum FCCR requirement for the quarter ended December 31, 2021 has been met and
                                            certified to the lender.</span></td></tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
March 29, 2022, we entered into an amendment to our Loan Agreement with our lender which provided, among other things, the following:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">waived
                                            our failure to meet the minimum quarterly FCCR requirement for the fourth quarter of 2021;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">removes
                                            the quarterly FCCR testing requirement for the first quarter of 2022;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">reinstates
                                            the quarterly FCCR testing requirement starting for the second quarter of 2022 and revises
                                            the methodology to be used in calculating the FCCR for the quarters ending June 30, 2022,
                                            September 30, 2022, and December 31, 2022 (with no change to the minimum 1.15:1 ratio requirement
                                            for each quarter);</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">requires
                                            maintenance of a minimum of $3,000,000 in borrowing availability under the revolving credit
                                            until the minimum FCCR requirement for the quarter ended June 30, 2022 has been met and certified
                                            to the lender; and</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">revises
                                            the annual rate used to calculate the Facility Fee (as defined in the Loan Agreement) on
                                            the revolving credit, with addition of the capital expenditure line, from 0.375% to 0.500%.
                                            Upon meeting the minimum FCCR requirement of 1;15:1 on a twelve month trailing basis, the
                                            Facility Fee rate of 0.375% will be reinstated.</span></td></tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
connection with the amendment, we paid our lender a fee of $15,000.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Pursuant
to our Loan Agreement, as amended, payment of annual rate of interest due on the revolving credit is at prime (3.25% at December 31,
2021) plus 2% or London InterBank Offer Rate (&#8220;LIBOR&#8221;) plus 3.00% and the term loan and capital expenditure line at prime
plus 2.50% or LIBOR plus 3.50%. Under the LIBOR option of interest payment, a LIBOR floor of 0.75% applies in the event that LIBOR falls
below 0.75% at any point in time.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
may terminate our Loan Agreement, as amended, upon 90 days&#8217; prior written notice upon payment in full of our obligations under
the Loan Agreement. We agreed to pay PNC 1.0% of the total financing had we paid off our obligations on or before May 7, 2021 and 0.5%
of the total financing if we pay off our obligations after May 7, 2021 but prior to or on May 7, 2022. No early termination fee will
apply if we pay off our obligations under the Loan Agreement after May 7, 2022.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
credit facility under our Loan Agreement, as amended, with PNC contains certain financial covenants, along with customary representations
and warranties. A breach of any of these financial covenants, unless waived by PNC, could result in a default under our credit facility
allowing our lender to immediately require the repayment of all outstanding debt under our credit facility and terminate all commitments
to extend further credit. We met our financial covenant requirements in the first quarter of 2021. Our FCCR calculation in the first
quarter of 2021 included the add-back of approximately $5,318,000 in eligible expenses that were incurred and covered by the PPP Loan
that we received in 2020 as permitted by the amendment dated May 4, 2021 as discussed above. We did not meet our FCCR requirement in
the second quarter of 2021; however, this non-compliance was waived by our lender as discussed above. Testing of our FCCR was not required
for the third quarter 2021 pursuant to the August 10, 2021 amendment to the Loan Agreement as discussed above. We met our financial covenant
requirements for the fourth quarter of 2021, with the exception of our FCCR requirement; however, this non-compliance of our FCCR requirement
was waived by our lender pursuant to an amendment to our Loan Agreement as discussed above. Additionally, testing of the FCCR requirement
is not required for the first quarter of 2022 pursuant to this same amendment. We expect to meet our quarterly financial covenant requirements
for the next twelve months under our Loan Agreement, subject to no FCCR testing requirement for the first quarter of 2022.</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
September 30, 2021, we entered into subscription agreements with certain institutional and retail investors, pursuant to which we sold
and issued, in a registered direct offering, an aggregate of 1,000,000 shares of our Common Stock, at a negotiated purchase price per
share of $6.20, for aggregate gross proceeds to us of approximately $6,200,000.</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>The
Coronavirus Aid, Relief, and Economic Security Act (&#8220;CARES Act&#8221;)</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>PPP
Loan</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
April 14, 2020, we entered into a promissory note under the PPP with PNC, our credit facility lender, which had a balance of approximately
$5,318,000 (the &#8220;PPP Loan&#8221;). The PPP was established under the CARES Act and is administered by the SBA. The CARES Act was
subsequently amended by the Paycheck Protection Program Flexibility Act of 2020 (&#8220;Flexibility Act&#8221;). Proceeds from the promissory
note was used by us for eligible payroll costs, mortgage interest, rent and utility costs as permitted under the Flexibility Act. The
annual interest rate on the PPP Loan is 1.0%</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
October 5, 2020, we applied for forgiveness on repayment of the PPP Loan as permitted under the Flexibility Act. On July 1, 2021, we
were notified by PNC that the entire balance of the PPP Loan of approximately $5,318,000, along with accrued interest of approximately
$63,000 was forgiven by the SBA, effective June 15, 2021. Accordingly, we recorded the entire forgiven PPP Loan balance, along with accrued
interest, totaling approximately $5,381,000 as &#8220;Gain on extinguishment of debt&#8221; on our Consolidated Statement of Operations
for the year ended 2021.</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Deferral
of Employment Tax Deposits</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Flexibility Act provides employers the option to defer the payment of an employer&#8217;s share of social security taxes beginning on
March 27, 2020 through December 31, 2020, with 50% of the amount of social security taxes deferred to become due on December 31, 2021
with the remaining 50% due on December 31, 2022. Our deferment of such taxes totaled approximately $1,252,000 of which approximately
$626,000 was paid in December 2021. At December 31, 2021, the remaining $626,000 in deferred social security taxes was included in &#8220;Accrued
expenses&#8221; within current liabilities in our Consolidated Balance Sheets.</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.25in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Off
Balance Sheet Arrangements</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.25in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">From
time to time, we are required to post standby letters of credit and various bonds to support contractual obligations to customers and
other obligations, including facility closures. At December 31, 2021, the total amount of standby letters of credit outstanding totaled
approximately $3,020,000 and the total amount of bonds outstanding totaled approximately $50,109,000. We also provide closure and post-closure
requirements through a financial assurance policy for certain of our Treatment Segment facilities through AIG. At December 31, 2021,
the closure and post-closure requirements for these facilities were approximately $20,403,000.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Critical
Accounting Policies and Estimates</b></span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
consolidated financial statements are prepared based upon the selection and application of US GAAP, which may require us to make estimates,
judgments and assumptions that affect amounts reported in our financial statements and accompanying notes. The accounting policies below
are those we believe affect the more significant estimates and judgments used in preparation of our financial statements. Our other accounting
policies are described in the accompanying notes to our consolidated financial statements of this Form 10-K (see &#8220;Item 8 &#8211;
Financial Statements and Supplementary Data &#8211; Notes to Consolidated Financial Statements &#8211; &#8220;Note 2 &#8211; Summary
of Significant Accounting Policies&#8221;):</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Intangible
Assets</i>. Intangible assets consist primarily of the recognized value of the permits required to operate our business. We continually
monitor the propriety of the carrying amount of our permits to determine whether current events and circumstances warrant adjustments
to the carrying value.</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Indefinite-lived
intangible assets are not amortized but are reviewed for impairment annually as of October 1, or when events or changes in the business
environment indicate that the carrying value may be impaired. If the fair value of the asset is less than the carrying amount, we perform
a quantitative test to determine the fair value. The impairment loss, if any, is measured as the excess of the carrying value of the
asset over its fair value. Significant judgments are inherent in these analyses and include assumptions for, among other factors, forecasted
revenue, gross margin, growth rate, operating income, timing of expected future cash flows, and the determination of appropriate long-term
discount rates.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Impairment
testing of our permits related to our Treatment reporting unit as of October 1, 2021 and 2020 resulted in no impairment charges.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Intangible
assets that have definite useful lives are amortized using the straight-line method over the estimated useful lives (with the exception
of customer relationships which are amortized using an accelerated method) and are excluded from our annual intangible asset valuation
review as of October 1. Intangible assets with definite useful lives are also tested for impairment whenever events or changes in circumstances
indicate that the asset&#8217;s carrying value may not be recoverable.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Accrued
Closure Costs and Asset Retirement Obligations (&#8220;ARO&#8221;).</i> Accrued closure costs represent our estimated environmental liability
to clean up our facilities as required by our permits, in the event of closure. ASC 410, &#8220;Asset Retirement and Environmental Obligations&#8221;
requires that the discounted fair value of a liability for an ARO be recognized in the period in which it is incurred with the associated
ARO capitalized as part of the carrying cost of the asset. The recognition of an ARO requires that management make numerous estimates,
assumptions and judgments regarding such factors as estimated probabilities, timing of settlements, material and service costs, current
technology, laws and regulations, and credit adjusted risk-free rate to be used. This estimate is inflated, using an inflation rate,
to the expected time at which the closure will occur, and then discounted back, using a credit adjusted risk free rate, to the present
value. ARO&#8217;s are included within buildings as part of property and equipment and are depreciated over the estimated useful life
of the property. In periods subsequent to initial measurement of the ARO, we must recognize period-to-period changes in the liability
resulting from the passage of time and revisions to either the timing or the amount of the original estimate of undiscounted cash flow.
Increases in the ARO liability due to passage of time impact net income as accretion expense and are included in cost of goods sold in
the Consolidated Statements of Operations. Changes in the estimated future cash flows costs underlying the obligations (resulting from
changes or expansion at the facilities) require adjustment to the ARO liability calculated and are capitalized and charged as depreciation
expense, in accordance with our depreciation policy.</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Recent
Accounting Pronouncements</b></span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">See
&#8220;Item 8 &#8211; Financial Statements and Supplementary Data&#8221; &#8211; Notes to Consolidated Financial Statements&#8221; &#8211;
Note 2 &#8211; Summary of Significant Accounting Policies&#8221; for the recent accounting pronouncements that have been adopted during
the year ended December 31, 2021, or will be adopted in future periods.</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Known
Trends and Uncertainties</b></span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Economic
Conditions. </i>Our business continues to be heavily dependent on services that we provide to governmental clients, primarily as subcontractors
for others who are prime contractors to government authorities (particularly the DOE and DOD) or directly as the prime contractor. We
believe demand for our services will continue to be subject to fluctuations due to a variety of factors beyond our control, including
without limitation, the economic conditions, COVID-19 impact, and the manner in which the government entity will be required to spend
funding to remediate various sites. In addition, our U.S. governmental contracts and subcontracts relating to activities at governmental
sites are generally subject to termination for convenience at any time at the option of the government. Our TOAs with the Canadian government
also provide that the government may terminate a TOA at any time for convenience (see below &#8220;Perma-Fix Canada, Inc. (&#8220;PF
Canada&#8221;)&#8221; below for a discussion of a notice of termination (&#8220;NOT&#8221;) that we received under a contract with a
Canadian government authority during the fourth quarter of 2021). Significant reductions in the level of governmental funding or specifically
mandated levels for different programs that are important to our business could have a material adverse impact on our business, financial
position, results of operations and cash flows.</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Significant
Customers</i>. Our Treatment and Services Segments have significant relationships with the U.S governmental authorities through contracts
entered into indirectly as subcontractors for others who are prime contractors or directly as the prime contractor to government authorities.
We also had significant relationships with Canadian government authorities primarily through TOAs entered into with Canadian government
authorities. Project work under TOAs with Canadian government authorities has substantially been completed. Our inability to continue
under existing contracts that we have with the U.S government (directly or indirectly as a subcontractor) or significant reductions in
the level of governmental funding in any given year could have a material adverse impact on our operations and financial condition.</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
performed services relating to waste generated by government clients (domestic and foreign (primarily Canadian)), either directly as
a prime contractor or indirectly for others as a subcontractor to government entities, representing approximately $60,812,000,
or 84.2%, of our total revenue during 2021, as compared to $96,582,000, or 91.6%, of our total revenue during 2020.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Revenue
generated by us as a subcontractor to a customer for a remediation project performed for a government entity (the DOE) within our Services
Segment in 2021 and 2020 accounted for approximately $8,526,000 or 11.8% and $41,011,000 or 38.9% (included in revenue generated
relating to government clients above) of our total revenue for 2021 and 2020, respectively. This remediation project included among other
things, decontamination support of a building. This project was completed in the second quarter of 2021.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
our revenues are project/event based where the completion of one contract with a specific customer may be replaced by another contract
with a different customer from year to year, we do not believe the loss of one specific customer from one year to the next will generally
have a material adverse effect on our operations and financial condition.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Perma-Fix
Canada, Inc. (&#8220;PF Canada&#8221;)</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i></i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify">During the fourth quarter of 2021, PF
Canada received a NOT from Canadian Nuclear Laboratories, LTD. (&#8220;CNL&#8221;) on a TOA that PF Canada entered into with CNL in May
2019 for remediation work within Ontario, Canada. The NOT was received after work under the TOA was substantially completed. CNL may
terminate the TOA at any time for convenience. As of December 31, 2021, PF Canada has approximately $2,640,000 in unpaid receivables
and unbilled costs due from CNL as a result of work performed under the TOA. Additionally, CNL has approximately $871,000 in contractual
holdback under the TOA that is payable to PF Canada. CNL also established a bond securing approximately $1,900,000 (CAD) to cover certain
issue raised in connection with the TOA. Under the TOA, CNL may be entitled to set off certain costs and expenses incurred by CNL in
connection with the termination of the TOA, including the bond as discussed above, against amounts owed to PF Canada for work
performed by PF Canada or its subcontractors. PF Canada continues to be in discussions with CNL to finalize the amounts due to
PF Canada under the TOA and continues to believes these amounts are due and payable.</p>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>COVID-19
Impact.</i> See &#8220;COVID-19 Impact&#8221; within this MD&amp;A for a discussion of the impact of COVID-19 on our 2021 financial results
and the potential impact it may have to our future financial results and business operations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Supply
Chain.</i> We use various commercially available materials and supplies which include among other things chemicals, containers/drums
and PPE in our operations. We generally source these items from various suppliers in order to take advantage of competitive pricing.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
also utilize various types of equipment, which include among other things trucks, flatbeds, lab equipment, heavy machineries, in carrying
out our business operations. Our equipment may be obtained through direct purchase, rental option or leases. Within our Services Segment,
equipment required for projects are often provided by our subcontractors as part of our contract agreement with the subcontractor. Due
to some of our specialized waste treatment processes, certain equipment that we utilize are designed and built to our specifications.
We rely on various commercial equipment suppliers for the construction of these equipment. Due to recent supply chain constraints, we
experienced a delay in the delivery of a new waste processing unit to us by our supplier due to shortage of parts required for the construction
of the unit, among other things. Delivery of this unit was expected during the third quarter of 2021 but did not occur until the first
quarter of 2022. The supply chain interruption delayed deployment of our new technology which negatively impacted our revenue for 2021
as associated revenue was not able to be generated. Continued increases in pricing and/or potential delays in procurements of material
and supplies and equipment required for our operations resulting from further tightening supply chain could further adversely affect
our operations and profitability.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Potential
Partnership with Springfields Fuels Limited. </i>As discussed above, we have signed a term sheet addressing plans to partner with Springfields
Fuels Limited, an affiliate of Westinghouse Electric Company LLC, to develop and manage a nuclear waste-materials treatment facility
in the United Kingdom. See &#8220;Liquidity and Capital Resources &#8211; Investing Activities&#8221; of this MD&amp;A for a discussion
of this transaction.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Inflation
and Cost Increases.</i> Continued increases in any of our operating costs, including changes in fuel prices (which impacts our transportation
costs), wage rates, supplies, and utility costs, may increase our overall cost of goods sold or operating expenses. These cost increases
may be the result of inflationary pressures that could further reduce profitability. Competitive pressures in our industry may have the
effect of inhibiting our ability to reflect these increased costs in the prices of our services that we provide to our customers and
therefore reduce our profitability.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Related
Party Transactions</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">See
a discussion of the Company&#8217;s related party transactions in &#8220;Item 8 &#8211; Financial Statements and Supplementary Data &#8211;
Notes to Consolidate Financial Statements &#8211; Note 17 &#8211; Related Party Transactions and Note 21 &#8211; Subsequent Events &#8211;
Executive Compensation.&#8221;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.7in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="q_012"></span>ITEM
    7A.</b></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>QUANTITATIVE
    AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK </b></span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Not
required under Regulation S-K for smaller reporting companies.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="GV_006"></span>SPECIAL
NOTE REGARDING FORWARD-LOOKING STATEMENTS</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Forward-looking
Statements</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Certain
statements contained within this report may be deemed &#8220;forward-looking statements&#8221; within the meaning of Section 27A of the
Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended (collectively, the &#8220;Private
Securities Litigation Reform Act of 1995&#8221;). All statements in this report other than a statement of historical fact are forward-looking
statements that are subject to known and unknown risks, uncertainties and other factors, which could cause actual results and performance
of the Company to differ materially from such statements. The words &#8220;believe,&#8221; &#8220;expect,&#8221; &#8220;anticipate,&#8221;
&#8220;intend,&#8221; &#8220;will,&#8221; and similar expressions identify forward-looking statements. Forward-looking statements contained
herein relate to, among other things,</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">demand
    for our services;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left">&#9679;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify">loss of a customer;</td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">reductions
    in the level of government funding in future years; </span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">reducing
    operating costs and non-essential expenditures;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">ramp
    up of activities under new projects; </span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">gradual
    return in waste shipments;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">ability
    to meet loan agreement covenant requirements;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">cash
    flow requirements;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">accounts
    receivable impact and collections;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">sufficient
    liquidity to continue business;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">future
    results of operations and liquidity; </span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">effect
    of economic disruptions on our business; </span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">curtail
    capital expenditures;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">government
    funding for our services;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">may
    not have liquidity to repay debt if our lender accelerates payment of our borrowings;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">manner
    in which the applicable government will be required to spend funding to remediate various sites;</span></td></tr>
  </table>

<p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left">&#9679;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify">competitive conditions;</td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left">&#9679;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify">Canadian receivable;</td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">funding
    operations;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">fund
    capital expenditures from cash from operations, credit facility availability, and/or financing;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">impact
    from COVID-19;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">contract
    awards;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">fund
    remediation expenditures for sites from funds generated internally;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">collection
    of accounts receivables;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">compliance
    with environmental regulations; </span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">potential
    effect of being a PRP; </span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">potential
    sites for violations of environmental laws and remediation of our facilities; </span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">existing
    laws or new environmental laws and regulations on our operations</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">adequate
    insurance coverage;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">continuation
    of contracts with federal government; and</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">further
    tightening of supply chain;</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">While
the Company believes the expectations reflected in such forward-looking statements are reasonable, it can give no assurance such expectations
will prove to be correct. There are a variety of factors, which could cause future outcomes to differ materially from those described
in this report, including, but not limited to:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; width: 0.25in; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">general
    economic conditions;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">contract
    bids, including international markets;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">material
    reduction in revenues;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">inability
    to meet PNC covenant requirements;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">inability
    to collect in a timely manner a material amount of receivables; </span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">increased
    competitive pressures; </span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">inability
    to maintain and obtain required permits and approvals to conduct operations; </span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">public
    not accepting our new technology;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">inability
    to develop new and existing technologies in the conduct of operations;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">inability
    to maintain and obtain closure and operating insurance requirements;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">inability
    to retain or renew certain required permits;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">discovery
    of additional contamination or expanded contamination at any of the sites or facilities leased or owned by us or our subsidiaries
    which would result in a material increase in remediation expenditures;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">delays
    at our third-party disposal site can extend collection of our receivables greater than twelve months;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">refusal
    of third-party disposal sites to accept our waste;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">changes
    in federal, state and local laws and regulations, especially environmental laws and regulations, or in interpretation of such;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">requirements
    to obtain permits for TSD activities or licensing requirements to handle low level radioactive materials are limited or lessened;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">potential
    increases in equipment, maintenance, operating or labor costs;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">management
    retention and development;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">financial
    valuation of intangible assets is substantially more/less than expected;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">the
    requirement to use internally generated funds for purposes not presently anticipated;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">inability
    to continue to be profitable on an annualized basis;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">inability
    of the Company to maintain the listing of its Common Stock on the NASDAQ;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">terminations
    of contracts with government agencies or subcontracts involving government agencies or reduction in amount of waste delivered to
    the Company under the contracts or subcontracts; </span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">renegotiation
    of contracts involving government agencies ;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">federal
    government&#8217;s inability or failure to provide necessary funding to remediate contaminated federal sites;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">disposal
    expense accrual could prove to be inadequate in the event the waste requires re-treatment; </span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">inability
    to raise capital on commercially reasonable terms;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">inability
    to increase profitable revenue; </span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">impact
    of the COVID-19;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">delays
    in waste shipments and delay in activities under new contracts;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">new
    governmental regulations;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">lender
    refuses to waive non-compliance or revise our covenant so that we are in compliance; </span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">continued
    supply chain interruptions;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">other
    unanticipated factors; and</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">risk
    factors contained in Item 1A of this report.</span></td></tr>
  </table>

<p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

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    <!-- Field: /Page -->

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.7in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="sur_001"></span>ITEM
    8.</b></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>FINANCIAL
    STATEMENTS AND SUPPLEMENTARY DATA</b></span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Index
to Consolidated Financial Statements</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="border-bottom: Black 1.5pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consolidated
    Financial Statements</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; padding-bottom: 1.5pt; text-align: left; width: 0.1in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="border-bottom: Black 1.5pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center; width: 0.6in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Page
    No.</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif"><span style="font-size: 10pt"><a href="#ma_001">Report
    of Independent Registered Public Accounting Firm</a> (PCAOB ID Number <span id="xdx_900_edei--AuditorFirmId_c20210101__20211231_z7JWrTJLn7D2"><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" name="dei:AuditorFirmId">248</ix:nonNumeric></span>)</span></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">34</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif"><a href="#ma_002"><span style="font-size: 10pt">Consolidated
    Balance Sheets as of December 31, 2021 and 2020 </span></a></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">36</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif"><a href="#ma_004"><span style="font-size: 10pt">Consolidated
    Statements of Operations for the years ended December 31, 2021 and 2020</span></a></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">38</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif"><a href="#ma_005"><span style="font-size: 10pt">Consolidated
    Statements of Comprehensive Income for the years ended December 31, 2021 and 2020</span></a></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">39</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif"><a href="#ma_006"><span style="font-size: 10pt">Consolidated
    Statements of Stockholders&#8217; Equity for the years ended December 31, 2021 and 2020</span></a></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">40</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif"><a href="#ma_007"><span style="font-size: 10pt">Consolidated
    Statements of Cash Flows for the years ended December 31, 2021 and 2020</span></a></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">41</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif"><a href="#ma_008"><span style="font-size: 10pt">Notes
    to Consolidated Financial Statements</span></a></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">42</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span style="text-decoration: underline">Financial
Statement Schedules</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
accordance with the rules of Regulation S-X, schedules are not submitted because they are not applicable to or required by the Company.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif"><span id="ma_001"></span><span style="font-size: 10pt"><b>REPORT
OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM</b></span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Board
of Directors and Stockholders</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
Environmental Services, Inc.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Opinion
on the financial statements</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
have audited the accompanying consolidated balance sheets of Perma-Fix Environmental Services, Inc. (a Delaware corporation) (and
subsidiaries) (the &#8220;Company&#8221;) as of December 31, 2021 and 2020, the related consolidated statements of operations,
comprehensive income, stockholders&#8217; equity, and cash flows for the years then ended, and the related notes (collectively referred
to as the &#8220;financial statements&#8221;). In our opinion, the financial statements present fairly, in all material respects, the
financial position of the Company as of December 31, 2021 and 2020, and the results of its operations and its cash flows for the
years then ended, in conformity with accounting principles generally accepted in the United States of America.</span></p>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (&#8220;PCAOB&#8221;),
the Company&#8217;s internal control over financial reporting as of December 31, 2021, based on criteria established in the 2013 <i>Internal
Control&#8212;Integrated Framework</i> issued by the Committee of Sponsoring Organizations of the Treadway Commission (&#8220;COSO&#8221;),
and our report dated April 6, 2022 expressed an adverse opinion.</span></p>

<p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: justify"></p>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Basis
for opinion</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">These
financial statements are the responsibility of the Company&#8217;s management. Our responsibility is to express an opinion on the Company&#8217;s
financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent
with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities
and Exchange Commission and the PCAOB.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify">We
conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. <span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error
or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding
the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant
estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits
provide a reasonable basis for our opinion.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Critical
audit matters</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; text-align: justify; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
critical</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> audit matters communicated below
are matters arising from the current period audit of the financial statements that were communicated or required to be communicated to
the audit committee and that: (1) relate to accounts or disclosures that are material to the financial statements and (2) involved our
especially challenging, subjective, or complex judgments. The communication of critical audit matters does not alter in any way our
opinion on the financial statements, taken as a whole, and we are not, by communicating the critical audit matters below, providing separate
opinions on the critical audit matters or on the accounts or disclosures to which they relate.</span></p>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></p>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Revenue
recognition for certain revenue contracts</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
described further in Note 2 to the financial statements, the Company has certain fixed price contracts that are long term in nature.
A subset of these contracts that commenced in 2021 have non-standard terms that impact revenue recognition and require significant effort
and judgment by management. We identified revenue recognition for these contracts as a critical audit matter.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
principal consideration for our determination that revenue recognition for these contracts is a critical audit matter are that there
is considerable auditor effort and judgment required to analyze and evaluate contracts for the types of terms and conditions that impact
revenue recognition. In addition, as described in our report on the Company&#8217;s internal control over financial reporting as of December
31, 2021 a material weakness was identified related to revenue recognition for non-standard revenue contracts.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
audit procedures related to revenue recognition for these contracts included the following, among others,</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
    obtained and inspected a selection of long-term, non-standard contracts to understand the terms and conditions and the related impact
    on revenue recognition, specifically the identification of:</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.75in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9675;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Contract
    term</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify">&#9675;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Performance
    obligations</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify">&#9675;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Determination
    of measure of progress</span></td></tr>

</table>

<p style="margin: 0"></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="width: 0.25in">&#160;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
    obtained and recalculated management&#8217;s estimate to complete the project(s)</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td>&#160;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
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    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
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  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Realizability
of deferred tax assets</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
described further in Note 13 to the financial statements, deferred tax assets are reduced by a valuation allowance if, based on the evaluation
of positive and negative evidence, in management&#8217;s judgment it is more likely than not that some portion, or all, of the deferred
tax assets will not be realized. Once established, the valuation allowance is released when, based on the evaluation of positive and
negative evidence, management concludes that related deferred tax assets are more likely than not to be realized. During the year ended
December 31, 2021, management concluded that sufficient positive evidence existed to release its valuation allowance related to its federal
deferred tax assets, resulting in an income tax benefit of $2.4 million for the year ended December 31, 2021. We identified the realizability
of deferred tax assets as a critical audit matter.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
principal considerations for our determination that the realizability of deferred tax assets is a critical audit matter is that the projected
financial information related to the profitability of the Company which is reliant on the ability to predict future revenue is subject
to significant management judgments in determining whether the net deferred tax assets are more likely than not to be realized in the
future, which in turn led to a high degree of auditor judgment and effort in performing procedures and evaluating audit evidence relating
to management&#8217;s assessment of the realization of deferred tax assets.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
audit procedures related to the realizability of deferred tax assets included the following, among others.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="width: 0.25in">&#160;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
    evaluated the design and tested the operating effectiveness of the key controls over the Company&#8217;s assessment of the positive
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td>&#160;</td>
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td>&#160;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td>&#160;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
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  </table>
<p style="font: 10pt Times New Roman, Times, Serif; text-align: justify; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
have served as the Company&#8217;s auditor since 2014.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
</span><span id="xdx_90D_edei--AuditorName_c20210101__20211231_z8OqucpISVsa"><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" name="dei:AuditorName">GRANT THORNTON LLP</ix:nonNumeric></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_900_edei--AuditorLocation_c20210101__20211231_z3n1SGcCJn28"><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" name="dei:AuditorLocation">Atlanta,
Georgia</ix:nonNumeric></span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify">April 6, 2022</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="ma_002"></span><b>PERMA-FIX
ENVIRONMENTAL SERVICES, INC.</b></span></p>

<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">CONSOLIDATED
BALANCE SHEETS</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>As
of December 31,</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<table cellpadding="0" cellspacing="0" id="xdx_300_111_pn3n3_zaeODYB45Cmj" summary="xdx: Statement - Consolidated Balance Sheets" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="display: none; font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(Amounts in Thousands, Except
    for Share and Per Share Amounts)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="2" id="xdx_49E_20201231_zkxCwmd2Qwz" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(Amounts in Thousands, Except
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Unbilled receivables</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr id="xdx_40A_eus-gaap--InventoryNet_i02I_pn3n3_maACzF9T_zaAzCEdKMyxe" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif">Inventories</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:InventoryNet" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">680</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:InventoryNet" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">610</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40B_eus-gaap--PrepaidExpenseAndOtherAssetsCurrent_i02I_pn3n3_maACzF9T_zpaNEbwIIph1" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:PrepaidExpenseAndOtherAssetsCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">4,472</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:PrepaidExpenseAndOtherAssetsCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3,967</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_409_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent_i02I_pn3n3_maACzF9T_zRzD9PTMrLFj" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Current
    assets related to discontinued operations</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">15</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">22</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_406_eus-gaap--AssetsCurrent_i02TI_pn3n3_mtACzF9T_maAznnO_zyGzNASMZg0c" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total current assets</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AssetsCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">36,635</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_eus-gaap--PropertyPlantAndEquipmentNetAbstract_i01B" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Property and equipment:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_408_ecustom--BuildingsAndLand_i02I_pn3n3_maPPAENzbez_maPPAEGzydb_zAol5qTbBe27" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Buildings and land</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:BuildingsAndLand" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">20,631</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:BuildingsAndLand" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">20,139</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_408_eus-gaap--MachineryAndEquipmentGross_i02I_pn3n3_maPPAENzbez_maPPAEGzydb_z9v8Xmyr8CS1" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif">Equipment</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:MachineryAndEquipmentGross" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">22,131</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:MachineryAndEquipmentGross" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">22,090</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40D_ecustom--Vehicles_i02I_pn3n3_maPPAENzbez_maPPAEGzydb_zARPtoCbf4ma" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif">Vehicles</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:Vehicles" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">443</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:Vehicles" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">457</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_eus-gaap--LeaseholdImprovementsGross_i02I_pn3n3_maPPAENzbez_maPPAEGzydb_zWmaRVMOkDe9" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Leasehold improvements</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LeaseholdImprovementsGross" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">23</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LeaseholdImprovementsGross" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">23</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_eus-gaap--FurnitureAndFixturesGross_i02I_pn3n3_maPPAENzbez_maPPAEGzydb_zf4iSY5Jp2Cf" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Office furniture and equipment</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FurnitureAndFixturesGross" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,316</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FurnitureAndFixturesGross" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,413</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_408_eus-gaap--ConstructionInProgressGross_i02I_pn3n3_maPPAENzbez_maPPAEGzydb_zC0YaT07LPb8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Construction-in-progress</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ConstructionInProgressGross" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,997</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ConstructionInProgressGross" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,569</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_eus-gaap--PropertyPlantAndEquipmentGross_i02TI_pn3n3_maPPAENzbez_mtPPAEGzydb_maPPAENzFEP_z6KCZaWzsiT" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total property and equipment</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">47,541</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">45,691</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40B_eus-gaap--AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_i02NI_pn3n3_di_msPPAENzbez_msPPAENzFEP_zdm3PLRm1on9" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Less accumulated depreciation</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">27,908</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_40E_eus-gaap--PropertyPlantAndEquipmentNet_i02TI_pn3n3_mtPPAENzFEP_maAznnO_zplxF98TkgC7" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Net property and equipment</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:PropertyPlantAndEquipmentNet" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">18,609</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:PropertyPlantAndEquipmentNet" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">17,783</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_ecustom--DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentIncludingNotHeldForSale_i01I_pn3n3_maAznnO_z6Uyo0sZCPG4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Property and equipment related to discontinued
    operations</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentIncludingNotHeldForSale" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">81</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentIncludingNotHeldForSale" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">81</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_eus-gaap--OperatingLeaseRightOfUseAsset_i01I_pn3n3_maAznnO_z3adakEEG8o9" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Operating lease right-of-use assets</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OperatingLeaseRightOfUseAsset" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,460</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OperatingLeaseRightOfUseAsset" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,287</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_eus-gaap--IntangibleAssetsNetExcludingGoodwillAbstract_i01B" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Intangibles and other long term assets:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_408_ecustom--Permits_i02I_pn3n3_maAznnO_zXCcPqNpYxN" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif">Permits</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:Permits" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">9,476</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:Permits" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">8,922</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_405_eus-gaap--OtherIntangibleAssetsNet_i02I_pn3n3_maAznnO_z5LRleav7cW9" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Other intangible assets
    - net</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OtherIntangibleAssetsNet" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">894</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OtherIntangibleAssetsNet" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">875</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_405_eus-gaap--RestrictedCashNoncurrent_i02I_pn3n3_maAznnO_zjkrBbFHhbXd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Finite risk sinking fund
    (restricted cash)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RestrictedCashNoncurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">11,471</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RestrictedCashNoncurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">11,446</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_405_eus-gaap--DeferredIncomeTaxAssetsNet_i02I_pn3n3_maAznnO_z4Xwrn0RLqZ3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Deferred tax assets</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:DeferredIncomeTaxAssetsNet" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3,527</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0131">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_eus-gaap--OtherAssetsNoncurrent_i02I_pn3n3_maAznnO_zNQuXYGxGiU7" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Other
    assets</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OtherAssetsNoncurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">809</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OtherAssetsNoncurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">890</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_408_eus-gaap--Assets_i01TI_pn3n3_mtAznnO_zXMwEJwu4Yd9" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total
    assets</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Assets" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">77,301</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Assets" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">78,919</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
accompanying notes are an integral part of these consolidated financial statements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="ma_003"></span>PERMA-FIX
ENVIRONMENTAL SERVICES, INC.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>CONSOLIDATED
BALANCE SHEETS, CONTINUED</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>As
of December 31,</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(Amounts in Thousands, Except
    for Share and per Share Amounts)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_eus-gaap--LiabilitiesAndStockholdersEquityAbstract_iB" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">LIABILITIES AND STOCKHOLDERS&#8217; EQUITY</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_409_eus-gaap--LiabilitiesCurrentAbstract_i01B" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Current liabilities:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_eus-gaap--AccountsPayableCurrent_i02I_pn3n3_maLCznDI_zh6v4uHPodl2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accounts payable</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccountsPayableCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">11,975</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccountsPayableCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">15,382</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_eus-gaap--AccruedLiabilitiesCurrent_i02I_pn3n3_maLCznDI_zptSwWZV5LZ7" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accrued expenses</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccruedLiabilitiesCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">5,078</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccruedLiabilitiesCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">6,381</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_ecustom--DisposalTransportationAccrual_i02I_pn3n3_maLCznDI_zi3OV2tWpPAc" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Disposal/transportation
    accrual</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:DisposalTransportationAccrual" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,065</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:DisposalTransportationAccrual" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,220</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40D_eus-gaap--DeferredRevenueCurrent_i02I_pn3n3_maLCznDI_zLhknmltNOBb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Deferred revenue</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:DeferredRevenueCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">5,580</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:DeferredRevenueCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">4,614</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_405_eus-gaap--AccruedCappingClosurePostClosureAndEnvironmentalCosts_i02I_pn3n3_maLCznDI_zJAGm0p165r1" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accrued closure costs -
    current</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccruedCappingClosurePostClosureAndEnvironmentalCosts" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">578</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccruedCappingClosurePostClosureAndEnvironmentalCosts" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">75</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40F_eus-gaap--LongTermDebtCurrent_i02I_pn3n3_maLCznDI_zWqMmn9l7Msk" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Current portion of long-term
    debt</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LongTermDebtCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">393</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LongTermDebtCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3,595</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_406_eus-gaap--OperatingLeaseLiabilityCurrent_i02I_pn3n3_maLCznDI_z0ntCBRfybl9" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Current portion of operating
    lease liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OperatingLeaseLiabilityCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">406</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OperatingLeaseLiabilityCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">273</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40F_eus-gaap--FinanceLeaseLiabilityCurrent_i02I_pn3n3_maLCznDI_zV4ZC3LVE04h" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Current portion of finance
    lease liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FinanceLeaseLiabilityCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">333</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FinanceLeaseLiabilityCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">525</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_401_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent_i02I_pn3n3_maLCznDI_ze0EkgfUs26k" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Current
    liabilities related to discontinued operations</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">506</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">898</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_eus-gaap--LiabilitiesCurrent_i02TI_pn3n3_mtLCznDI_maLzlQJ_zQFu1SknkPla" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total current liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LiabilitiesCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">25,914</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LiabilitiesCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">32,963</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40D_eus-gaap--AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent_i01I_pn3n3_maLNzs3g_zZRwKxXSPh3d" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accrued closure costs</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">6,613</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">6,290</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_eus-gaap--DeferredIncomeTaxLiabilitiesNet_i01I_pn3n3_maLNzs3g_zvMhseTl1COl" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Deferred tax liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0178">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:DeferredIncomeTaxLiabilitiesNet" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">471</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_400_eus-gaap--LongTermDebtNoncurrent_i01I_pn3n3_maLNzs3g_z2xtU3kCl7Ge" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Long-term debt, less current portion</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LongTermDebtNoncurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">600</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LongTermDebtNoncurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3,134</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_402_eus-gaap--OperatingLeaseLiabilityNoncurrent_i01I_pn3n3_maLNzs3g_zdIXmC5AtC05" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Long-term operating lease liabilities, less
    current portion</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OperatingLeaseLiabilityNoncurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,029</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OperatingLeaseLiabilityNoncurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,070</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_406_eus-gaap--FinanceLeaseLiabilityNoncurrent_i01I_pn3n3_maLNzs3g_zSog9XXXLENh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Long-term finance lease liabilities, less current
    portion</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FinanceLeaseLiabilityNoncurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">884</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FinanceLeaseLiabilityNoncurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">662</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_409_eus-gaap--OtherLiabilitiesNoncurrent_i01I_pn3n3_maLNzs3g_zOh0oTyN8Dvj" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Other long-term liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0190">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OtherLiabilitiesNoncurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">626</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_402_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleNoncurrent_i01I_pn3n3_maLNzs3g_z3EAXvrM6Hq1" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Long-term liabilities
    related to discontinued operations</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleNoncurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">677</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleNoncurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">252</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_408_eus-gaap--LiabilitiesNoncurrent_i01TI_pn3n3_mtLNzs3g_maLzlQJ_zYR6w8vYr1u2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Total
    long-term liabilities</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LiabilitiesNoncurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">10,803</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LiabilitiesNoncurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">13,505</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--Liabilities_i01TI_pn3n3_mtLzlQJ_maLASEzz5c_zY8CIvQqlcfh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 30pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Liabilities" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">36,717</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Liabilities" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">46,468</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_403_eus-gaap--CommitmentsAndContingencies_i01I_pn3n3_maLASEzz5c_zfyMYUofJKS" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Commitments and Contingencies (Note 15)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">-</span><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0202">&#160;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">-</span><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0203">&#160;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_eus-gaap--StockholdersEquityAbstract_i01B_zP1GqUgBmr5c" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Stockholders&#8217; Equity:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_400_eus-gaap--PreferredStockValue_i02I_pn3n3_maSEzW61_znNZsFs9R3x5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Preferred Stock, $<span id="xdx_90E_eus-gaap--PreferredStockParOrStatedValuePerShare_iI_pid_c20211231_z6G9fWbXpVDh" title="Preferred stock, par value"><span id="xdx_905_eus-gaap--PreferredStockParOrStatedValuePerShare_iI_pid_c20201231_z1v4z7CTx0ti" title="Preferred stock, par value"><ix:nonFraction name="us-gaap:PreferredStockParOrStatedValuePerShare" contextRef="AsOf2021-12-31" decimals="INF" unitRef="USDPShares"><ix:nonFraction name="us-gaap:PreferredStockParOrStatedValuePerShare" contextRef="AsOf2020-12-31" decimals="INF" unitRef="USDPShares">.001</ix:nonFraction></ix:nonFraction></span></span>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0208">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0209">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_405_eus-gaap--CommonStockValue_i02I_pn3n3_maSEzW61_zhlLCv5jnt6h" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Common Stock, $<span id="xdx_90A_eus-gaap--CommonStockParOrStatedValuePerShare_iI_pid_c20211231_zRY2SSIRuvx5" title="Common stock, par value"><span id="xdx_90C_eus-gaap--CommonStockParOrStatedValuePerShare_iI_pid_c20201231_z6N0XWfCh5Ea" title="Common stock, par value"><ix:nonFraction name="us-gaap:CommonStockParOrStatedValuePerShare" contextRef="AsOf2021-12-31" decimals="INF" unitRef="USDPShares"><ix:nonFraction name="us-gaap:CommonStockParOrStatedValuePerShare" contextRef="AsOf2020-12-31" decimals="INF" unitRef="USDPShares">.001</ix:nonFraction></ix:nonFraction></span></span> par
    value; <span id="xdx_90C_eus-gaap--CommonStockSharesAuthorized_iI_pid_c20211231_zbWH3nI8bk4l" title="Common stock, shares authorized"><span id="xdx_901_eus-gaap--CommonStockSharesAuthorized_iI_pid_c20201231_zW5b0m7MP7Vf" title="Common stock, shares authorized"><ix:nonFraction name="us-gaap:CommonStockSharesAuthorized" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares"><ix:nonFraction name="us-gaap:CommonStockSharesAuthorized" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">30,000,000</ix:nonFraction></ix:nonFraction></span></span> shares authorized; <span id="xdx_904_eus-gaap--CommonStockSharesIssued_iI_pid_c20211231_zuZrpAkwxFlj" title="Common stock, shares issued"><ix:nonFraction name="us-gaap:CommonStockSharesIssued" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">13,222,552</ix:nonFraction></span> and <span id="xdx_902_eus-gaap--CommonStockSharesIssued_iI_pid_c20201231_z9fyyb9M0ykf" title="Common stock, shares outstanding"><ix:nonFraction name="us-gaap:CommonStockSharesIssued" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">12,161,539</ix:nonFraction></span> shares issued, respectively; <span id="xdx_901_eus-gaap--CommonStockSharesOutstanding_iI_pid_c20211231_zVvtMOooAvB3" title="Common stock, shares issued"><ix:nonFraction name="us-gaap:CommonStockSharesOutstanding" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">13,214,910</ix:nonFraction></span> and <span id="xdx_901_eus-gaap--CommonStockSharesOutstanding_iI_pid_c20201231_zGRbvO00Hqr3" title="Common stock, shares outstanding"><ix:nonFraction name="us-gaap:CommonStockSharesOutstanding" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">12,153,897</ix:nonFraction></span> shares outstanding,
    respectively</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:CommonStockValue" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">13</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:CommonStockValue" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">12</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40D_eus-gaap--AdditionalPaidInCapital_i02I_pn3n3_maSEzW61_zBtCW6EwyWD8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Additional paid-in capital</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AdditionalPaidInCapital" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">114,307</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AdditionalPaidInCapital" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">108,931</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_eus-gaap--RetainedEarningsAccumulatedDeficit_i02I_pn3n3_maSEzW61_zbBsCAwIq98a" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accumulated deficit</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:RetainedEarningsAccumulatedDeficit" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">73,620</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:RetainedEarningsAccumulatedDeficit" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">74,455</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_406_eus-gaap--AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_i02I_pn3n3_maSEzW61_znZ1tMZvM80e" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accumulated other comprehensive
    loss</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">28</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">207</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_40B_eus-gaap--TreasuryStockValue_i02NI_pn3n3_di_msSEzW61_zDKZMyOKawyi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Less
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:TreasuryStockValue" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">88</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:TreasuryStockValue" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">88</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_40B_eus-gaap--StockholdersEquity_i02TI_pn3n3_mtSEzW61_maSEIPAzwbz_zmhpiNmx94" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total Perma-Fix Environmental
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:StockholdersEquity" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">40,584</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:StockholdersEquity" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">34,193</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_405_eus-gaap--MinorityInterest_i02I_pn3n3_maSEIPAzwbz_z7Xcs07qOw7" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Non-controlling
    interest</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0265">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:MinorityInterest" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">1,742</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_407_eus-gaap--StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_i02TI_pn3n3_mtSEIPAzwbz_maLASEzz5c_zbqYqPlbIrGa" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Total
    stockholders&#8217; equity</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">40,584</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">32,451</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_405_eus-gaap--LiabilitiesAndStockholdersEquity_i01TI_pn3n3_mtLASEzz5c_zTfbijmgy0nd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="padding-left: 30pt; font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total liabilities and
    stockholders&#8217; equity</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LiabilitiesAndStockholdersEquity" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">77,301</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LiabilitiesAndStockholdersEquity" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">78,919</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
accompanying notes are an integral part of these consolidated financial statements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="ma_004"></span>PERMA-FIX
ENVIRONMENTAL SERVICES, INC.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>CONSOLIDATED
STATEMENTS OF OPERATIONS</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>For
the years ended December 31,</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<table cellpadding="0" cellspacing="0" id="xdx_30B_113_pn3n3_zULgGyrDlKt9" summary="xdx: Statement - Consolidated Statements of Operations" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="display: none; font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(Amounts in Thousands, Except
    for Per Share Amounts)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49E_20210101__20211231_zEiaFi7jkcm" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49C_20200101__20201231_zH2M29SHBar6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(Amounts in Thousands, Except
    for Per Share Amounts)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_401_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_maGPzgCW_zhSMuzituWN8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Net revenues</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">72,191</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">105,426</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40F_eus-gaap--CostOfGoodsAndServicesSold_msGPzgCW_z9JHbYQCyd2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Cost of goods sold</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:CostOfGoodsAndServicesSold" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">65,367</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:CostOfGoodsAndServicesSold" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">89,533</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_406_eus-gaap--GrossProfit_iT_mtGPzgCW_maOILzPHQ_z1wMvqVU6abj" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Gross profit</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:GrossProfit" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">6,824</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:GrossProfit" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">15,893</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_406_eus-gaap--SellingGeneralAndAdministrativeExpense_msOILzPHQ_z6zgnJUU5jwk" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Selling, general and administrative expenses</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:SellingGeneralAndAdministrativeExpense" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">11,774</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_eus-gaap--ResearchAndDevelopmentExpense_msOILzPHQ_zvEtapp2elS3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Research and development</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ResearchAndDevelopmentExpense" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">762</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40B_eus-gaap--GainLossOnDispositionOfAssets1_iN_di_maOILzPHQ_zMi0OHpvZAli" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Loss on disposal of property
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:GainLossOnDispositionOfAssets1" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">2</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:GainLossOnDispositionOfAssets1" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">29</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_409_eus-gaap--OperatingIncomeLoss_iT_mtOILzPHQ_maILFCOzwv9_zqJ2GnntdYSh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">(Loss)
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:OperatingIncomeLoss" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">6,769</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OperatingIncomeLoss" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3,328</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40F_eus-gaap--NonoperatingIncomeExpenseAbstract_iB" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Other income (expense):</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_406_eus-gaap--InterestIncomeOther_i01_maILFCOzwv9_zrZGzCkDVyYk" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Interest income</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:InterestIncomeOther" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">26</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:InterestIncomeOther" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">140</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_eus-gaap--InterestExpense_i01N_di_msILFCOzwv9_zEMFMY32xe93" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Interest expense</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:InterestExpense" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">247</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:InterestExpense" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">398</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_402_eus-gaap--FinancingInterestExpense_i01N_di_msILFCOzwv9_zD0ZZdI89ZBl" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Interest expense-financing fees</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:FinancingInterestExpense" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">41</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:FinancingInterestExpense" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">294</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_40F_eus-gaap--OtherNonoperatingIncomeExpense_i01_maILFCOzwv9_zPsaTw8YTv05" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Other</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:OtherNonoperatingIncomeExpense" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">86</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OtherNonoperatingIncomeExpense" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">211</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--GainsLossesOnExtinguishmentOfDebt_i01_maILFCOzwv9_zcsKHvJ6CQBc" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Gain (loss) on extinguishment of debt
    (Note 10)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:GainsLossesOnExtinguishmentOfDebt" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">5,381</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:GainsLossesOnExtinguishmentOfDebt" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">27</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_40E_eus-gaap--DeconsolidationGainOrLossAmount_i01_maILFCOzwv9_z7VaN4CEcB22" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Loss on deconsolidation
    of subsidiary (Note 14)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:DeconsolidationGainOrLossAmount" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">1,062</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0314">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40F_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_iT_mtILFCOzwv9_maILFCOzkKw_zzxquv38fmrg" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">(Loss) income from continuing operations before
    taxes</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">2,798</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,960</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_405_eus-gaap--IncomeTaxExpenseBenefit_msILFCOzkKw_za4VFKDdR0z2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Income tax benefit</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeTaxExpenseBenefit" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">3,890</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeTaxExpenseBenefit" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">189</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_40B_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_iT_mtILFCOzkKw_maPLzFEL_z2wtXsdExe4g" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Income from continuing operations, net of taxes</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,092</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3,149</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40D_eus-gaap--IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_maPLzFEL_zg91QWJPtDy6" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Loss
    from discontinued operations (Note 9)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">421</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">412</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_404_eus-gaap--ProfitLoss_iT_mtPLzFEL_maNILzLVM_zSTF96l4SFC8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Net income</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ProfitLoss" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">671</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ProfitLoss" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,737</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--NetIncomeLossAttributableToNoncontrollingInterest_msNILzLVM_zkCMCqzC7uad" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Net loss attributable
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">164</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">123</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_eus-gaap--NetIncomeLoss_iT_mtNILzLVM_zqXU77Qaor77" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 0pt; text-align: left; padding-bottom: 2.5pt">Net income
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    stockholders</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:NetIncomeLoss" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">835</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:NetIncomeLoss" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,860</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_eus-gaap--EarningsPerShareBasicAbstract_iB" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Net income (loss) per common share attributable
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40D_eus-gaap--IncomeLossFromContinuingOperationsPerBasicShare_i01_pid_zEfH4aJsmby" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Continuing operations</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsPerBasicShare" contextRef="From2021-01-01to2021-12-31" decimals="INF" unitRef="USDPShares">.10</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsPerBasicShare" contextRef="From2020-01-012020-12-31" decimals="INF" unitRef="USDPShares">.27</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_401_eus-gaap--IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_i01_pid_zZJQSTJ2NMG1" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Discontinued operations</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare" contextRef="From2021-01-01to2021-12-31" decimals="INF" sign="-" unitRef="USDPShares">.03</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare" contextRef="From2020-01-012020-12-31" decimals="INF" sign="-" unitRef="USDPShares">.03</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_402_eus-gaap--EarningsPerShareDilutedAbstract_iB" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Net income (loss) per common share attributable
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_401_eus-gaap--IncomeLossFromContinuingOperationsPerDilutedShare_i01_pid_zBjDVHB2JN8e" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Continuing operations</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare" contextRef="From2020-01-012020-12-31" decimals="INF" unitRef="USDPShares">.26</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_403_eus-gaap--IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_i01_pid_zApdYoSlfOy8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Discontinued operations</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" contextRef="From2021-01-01to2021-12-31" decimals="INF" sign="-" unitRef="USDPShares">.03</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" contextRef="From2020-01-012020-12-31" decimals="INF" sign="-" unitRef="USDPShares">.03</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_400_eus-gaap--EarningsPerShareDiluted_i01_pid_zfEuTcO8iuHg" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Net income per common
    share</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:EarningsPerShareDiluted" contextRef="From2021-01-01to2021-12-31" decimals="INF" unitRef="USDPShares">.07</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:EarningsPerShareDiluted" contextRef="From2020-01-012020-12-31" decimals="INF" unitRef="USDPShares">.23</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_402_eus-gaap--WeightedAverageNumberOfSharesOutstandingAbstract_iB_zlAQD6x7o7af" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="padding-left: 0pt; font-family: Times New Roman, Times, Serif">Number of common shares used in computing <span style="font-family: Times New Roman, Times, Serif">net
    income (loss) per share:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_409_eus-gaap--WeightedAverageNumberOfSharesOutstandingBasic_i01_pid_zbUKoOvTecNh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Basic</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">12,433</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">12,139</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_409_eus-gaap--WeightedAverageNumberOfDilutedSharesOutstanding_i01_pid_zsUopkXTeQ3e" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Diluted</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">12,673</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">12,347</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
accompanying notes are an integral part of these consolidated financial statements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="ma_005"></span>PERMA-FIX
ENVIRONMENTAL SERVICES, INC.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>CONSOLIDATED
STATEMENTS OF COMPREHENSIVE INCOME</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>For
the years ended December 31,</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<table cellpadding="0" cellspacing="0" id="xdx_307_113_pn3n3_zujhMW905kOg" summary="xdx: Statement - Consolidated Statements of Comprehensive Income" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="display: none; font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(Amounts in Thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_499_20210101__20211231_zHHAdDPIjtV3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49B_20200101__20201231_zIFMdrzENQV9" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(Amounts in Thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_409_eus-gaap--ProfitLoss_maCINOTzYOA_z4WYoR7FPbuf" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Net income</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ProfitLoss" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,737</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40F_eus-gaap--OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_iB_zKMhDcsjGNda" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_400_ecustom--ForeignCurrencyTranslationReclassToLossOnDeconsolidationOfSubsidiary_i01_maOCILNzzhr_zfeBxMQJx4X1" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Foreign currency translation reclass to loss on deconsolidation of subsidiary
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:ForeignCurrencyTranslationReclassToLossOnDeconsolidationOfSubsidiary" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">148</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0377">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_403_eus-gaap--OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_i01_pn3n3_maOCILNzzhr_zn3Tc10MWiJe" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Foreign currency translation
    adjustments</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">31</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">4</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_eus-gaap--OtherComprehensiveIncomeLossNetOfTax_i01T_pn3n3_mtOCILNzzhr_maCINOTzYOA_zYd9swMYPvhd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Total other comprehensive
    income</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">179</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">4</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_405_eus-gaap--ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_iT_mtCINOTzYOA_maCINOTzTMw_zViniQiITRNl" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Comprehensive income</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">850</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,741</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_400_eus-gaap--ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_msCINOTzTMw_zCjKtuQ4EGMd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Comprehensive loss attributable to non-controlling
    interest</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">164</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">123</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_404_eus-gaap--ComprehensiveIncomeNetOfTax_iT_mtCINOTzTMw_zluC2q9U20Xb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Comprehensive income
    attributable to Perma-Fix Environmental Services, Inc. common stockholders</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><ix:nonFraction name="us-gaap:ComprehensiveIncomeNetOfTax" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,014</ix:nonFraction></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ComprehensiveIncomeNetOfTax" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,864</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
accompanying notes are an integral part of these consolidated financial statements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><span id="ma_006"></span><span style="font-size: 10pt"><b>PERMA-FIX
ENVIRONMENTAL SERVICES, INC</b></span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>CONSOLIDATED
STATEMENTS OF STOCKHOLDERS&#8217; EQUITY</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>For
the years ended December 31,</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>(Amounts
in Thousands, Except for Share Amounts)</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" id="xdx_308_114_pn3n3_za1DlAzSRKhi" summary="xdx: Statement - Consolidated Statement of Stockholders&apos; Equity" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="display: none; font-family: Times New Roman, Times, Serif; vertical-align: bottom">
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Shares</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
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    <td colspan="6" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="2" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Stock</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="2" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Non-</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Additional</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Held</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="2" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">controlling</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Common
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    <td colspan="2" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Paid-In</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">In</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Comprehensive</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Interest
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    <td colspan="2" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Accumulated</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Stockholders&#8217;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amount</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Capital</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Treasury</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Income</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Subsidiary</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"></p>
                                                                               <p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Deficit</span></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Equity</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_433_c20200101__20201231_eus-gaap--StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_iS_zcePjyrhJ6X7" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 28%; font-weight: bold; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Balance
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Net (loss) income</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0482">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr id="xdx_403_eus-gaap--OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_i_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
accompanying notes are an integral part of these consolidated financial statements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="ma_007"></span><b>PERMA-FIX
ENVIRONMENTAL SERVICES, INC.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>CONSOLIDATED
STATEMENTS OF CASH FLOWS</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>For
the years ended December 31,</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<table cellpadding="0" cellspacing="0" id="xdx_302_112_pn3n3_zXiy4zbYBvHk" summary="xdx: Statement - Consolidated Statements of Cash Flows" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
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    <td colspan="2" id="xdx_495_20200101__20201231_zAiySDBKXZ4k" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(Amounts in Thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_i01T_maNCPBUzqTd_zdwzse4ZDe59" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Income from continuing
    operations</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,092</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3,149</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_403_eus-gaap--AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_i01B" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Adjustments to reconcile
    net income from continuing operations to cash (used in) provided by operating activities:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40B_eus-gaap--DepreciationDepletionAndAmortization_i02_maNCPBUzqTd_z96tkFsL33ib" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Depreciation and amortization</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:DepreciationDepletionAndAmortization" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,687</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:DepreciationDepletionAndAmortization" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,596</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_ecustom--InterestOnFinanceLeaseWithPurchaseOption_i02_maNCPBUzqTd_z7nY2OVyzx1e" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Interest on finance lease
    with purchase option</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:InterestOnFinanceLeaseWithPurchaseOption" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">7</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:InterestOnFinanceLeaseWithPurchaseOption" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">9</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_eus-gaap--DeconsolidationGainOrLossAmount_i02N_di_msNCPBUzqTd_zux4SaWaLGwf" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Loss on deconsolidation
    of subsidiary (Note 14)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:DeconsolidationGainOrLossAmount" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">1,062</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl0576">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40D_eus-gaap--GainsLossesOnExtinguishmentOfDebt_i02N_di_msNCPBUzqTd_zcnfHBwp7HS7" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">(Gain) loss on extinguishment
    of debt (Note 10)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:GainsLossesOnExtinguishmentOfDebt" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">5,381</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:GainsLossesOnExtinguishmentOfDebt" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">27</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_402_eus-gaap--AmortizationOfFinancingCostsAndDiscounts_i02_maNCPBUzqTd_zcatzP3gGrI1" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Amortization of debt issuance/debt
    discount costs</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AmortizationOfFinancingCostsAndDiscounts" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">40</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AmortizationOfFinancingCostsAndDiscounts" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">294</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_eus-gaap--DeferredIncomeTaxExpenseBenefit_i02_maNCPBUzqTd_zK3ogkqaaBX" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Deferred tax benefit</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:DeferredIncomeTaxExpenseBenefit" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">3,860</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:DeferredIncomeTaxExpenseBenefit" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">119</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_405_ecustom--ProvisionForRecoveryOfBadDebtReserves_i02_maNCPBUzqTd_zHAJadb3fmw2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Provision for (recovery
    of) bad debt reserves</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:ProvisionForRecoveryOfBadDebtReserves" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">26</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="PESI:ProvisionForRecoveryOfBadDebtReserves" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">101</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_40E_eus-gaap--GainLossOnDispositionOfAssets_i02N_di_msNCPBUzqTd_zB0Flzz6rr98" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Loss on disposal of property
    and equipment</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:GainLossOnDispositionOfAssets" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">2</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:GainLossOnDispositionOfAssets" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">29</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_408_eus-gaap--IssuanceOfStockAndWarrantsForServicesOrClaims_i02_maNCPBUzqTd_zaBqEZyryYB2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Issuance of common stock
    for services</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IssuanceOfStockAndWarrantsForServicesOrClaims" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">427</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IssuanceOfStockAndWarrantsForServicesOrClaims" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">232</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_401_eus-gaap--ShareBasedCompensation_i02_maNCPBUzqTd_zyWScZvsML19" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Stock-based compensation</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensation" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">250</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensation" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">236</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_408_eus-gaap--IncreaseDecreaseInOperatingCapitalAbstract_i02B_z8lbv97EZoD4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Changes in operating assets
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_409_eus-gaap--IncreaseDecreaseInAccountsReceivable_i03N_di_msNCPBUzqTd_zmSMESE0ghbg" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accounts receivable</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncreaseDecreaseInAccountsReceivable" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">3,620</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_ecustom--IncreaseDecreaseInUnbilledReceivable_i03N_di_msNCPBUzqTd_zaaxVWpoUm87" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Unbilled receivables</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="PESI:IncreaseDecreaseInUnbilledReceivable" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">6,469</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_401_eus-gaap--IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_i03N_di_msNCPBUzqTd_ze1RrjzJzjoh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Prepaid expenses, inventories
    and other assets</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">1,165</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">1,147</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_400_ecustom--IncreaseDecreaseInAccountsPayableAccruedExpensesAndUnearnedRevenue_i03_maNCPBUzqTd_zWiQOQxwFyzh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Accounts
    payable, accrued expenses and unearned revenue</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="PESI:IncreaseDecreaseInAccountsPayableAccruedExpensesAndUnearnedRevenue" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">6,552</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:IncreaseDecreaseInAccountsPayableAccruedExpensesAndUnearnedRevenue" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">4,217</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40D_eus-gaap--NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_i01T_mtNCPBUzqTd_maNCPBUz1Zf_zlYhDgo8ORml" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Cash (used in) provided
    by continuing operations</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">6,316</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">7,867</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_eus-gaap--CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_i01_maNCPBUz1Zf_zQNCWnarc0O3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Cash
    used in discontinued operations</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">521</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">499</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_40B_eus-gaap--NetCashProvidedByUsedInOperatingActivities_i01T_mtNCPBUz1Zf_maCCERCzm0H_zho7LoBmHSpl" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Cash (used in) provided
    by operating activities</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:NetCashProvidedByUsedInOperatingActivities" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">6,837</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:NetCashProvidedByUsedInOperatingActivities" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">7,368</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40F_eus-gaap--NetCashProvidedByUsedInInvestingActivitiesAbstract_iB_zYYGv2llUhkh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Cash flows from investing activities:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_406_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_i01N_di_msNCPBUz1Uk_z49Pso3NB0Mh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Purchases of property and
    equipment (net)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:PaymentsToAcquirePropertyPlantAndEquipment" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,577</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:PaymentsToAcquirePropertyPlantAndEquipment" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,715</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_403_eus-gaap--ProceedsFromSaleOfPropertyPlantAndEquipment_i01_maNCPBUz1Uk_zT0O45yN9ech" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Proceeds from sale of property
    and equipment</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">17</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">4</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_403_eus-gaap--CashDivestedFromDeconsolidation_i01N_di_msNCPBUz1Uk_zAY9E86U3cO1" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Deconsolidation
    of subsidiary - cash</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:CashDivestedFromDeconsolidation" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">4</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl0633">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_403_eus-gaap--NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_i01T_mtNCPBUz1Uk_maNCPBUzwPL_z4ZHgxIzVuFj" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Cash used in investing
    activities of continuing operations</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">1,564</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">1,711</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_401_eus-gaap--CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_i01_maNCPBUzwPL_z82xa8IbebQ6" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Cash
    provided by investing activities of discontinued operations</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl0638">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">118</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_eus-gaap--NetCashProvidedByUsedInInvestingActivities_i01T_mtNCPBUzwPL_maCCERCzm0H_ztRDnX2TBbS5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Cash used in investing
    activities</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:NetCashProvidedByUsedInInvestingActivities" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">1,564</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:NetCashProvidedByUsedInInvestingActivities" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">1,593</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_eus-gaap--NetCashProvidedByUsedInFinancingActivitiesAbstract_iB_zim2YOrNVPK4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Cash flows from financing activities:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_408_eus-gaap--ProceedsFromLinesOfCredit_i01_maNCPBUzyY9_zN4IzcIX5CUf" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Borrowing on revolving
    credit</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ProceedsFromLinesOfCredit" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">74,987</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ProceedsFromLinesOfCredit" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">102,788</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_eus-gaap--RepaymentsOfLinesOfCredit_i01N_di_msNCPBUzyY9_z5ShCC3NM7M" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Repayments of revolving
    credit borrowings</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:RepaymentsOfLinesOfCredit" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">74,987</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:RepaymentsOfLinesOfCredit" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">103,109</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_409_eus-gaap--ProceedsFromIssuanceOfLongTermDebt_i01_maNCPBUzyY9_zTgOZ8Oji8Hb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Proceeds from issuance
    of long-term debt</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0653">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ProceedsFromIssuanceOfLongTermDebt" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">5,666</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_400_eus-gaap--FinanceLeasePrincipalPayments_i01N_di_msNCPBUzyY9_zXFiQZw2eJb2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Principal repayment of
    finance lease liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:FinanceLeasePrincipalPayments" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">334</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:FinanceLeasePrincipalPayments" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">615</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_401_eus-gaap--RepaymentsOfLongTermDebt_i01N_di_msNCPBUzyY9_zPUzG7LayQA7" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Principal repayments of
    long term debt</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:RepaymentsOfLongTermDebt" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">440</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:RepaymentsOfLongTermDebt" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,759</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_405_eus-gaap--PaymentsOfDebtIssuanceCosts_i01N_di_msNCPBUzyY9_zs5yWIyeMtGk" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Payment of debt issuance
    costs</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:PaymentsOfDebtIssuanceCosts" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">48</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:PaymentsOfDebtIssuanceCosts" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">85</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_401_eus-gaap--ProceedsFromIssuanceOfCommonStock_i01_maNCPBUzyY9_zNj9PT3wLibb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Proceeds from sale of Common
    Stock, net of offering costs paid (Note 7)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ProceedsFromIssuanceOfCommonStock" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">5,765</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0666">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_eus-gaap--ProceedsFromStockOptionsExercised_i01_maNCPBUzyY9_z77IEaqZdG11" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Proceeds
    from issuance of Common Stock upon exercise of options</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr id="xdx_404_eus-gaap--NetCashProvidedByUsedInFinancingActivities_i01T_mtNCPBUzyY9_maCCERCzm0H_zIduNrKERg3j" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Cash
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_eus-gaap--EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_maCCERCzm0H_zFd9a4meBys9" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Effect of exchange rate
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">1</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">6</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40B_eus-gaap--CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_iT_mtCCERCzm0H_zwPK7nOsycG9" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">(Decrease) increase in cash and finite risk
    sinking fund (restricted cash) (Note 2)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">3,459</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">7,673</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_405_eus-gaap--CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_iS_zjPfLMWWb4ef" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Cash and finite risk sinking
    fund (restricted cash) at beginning of period (Note 2)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">19,370</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" contextRef="AsOf2019-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">11,697</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_403_eus-gaap--CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_iE_zoqR4MGFC777" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Cash and finite risk
    sinking fund (restricted cash) at end of period (Note 2)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">15,911</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">19,370</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--SupplementalCashFlowInformationAbstract_iB_zLxqbNqpaUI5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Supplemental disclosure:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_400_eus-gaap--InterestPaidNet_i01_z1Ka6MdU51xl" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Interest paid</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:InterestPaidNet" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">230</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:InterestPaidNet" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">366</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_eus-gaap--IncomeTaxesPaid_i01_z5ZgCoOTBV18" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Income taxes paid</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncomeTaxesPaid" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">47</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncomeTaxesPaid" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">70</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_405_eus-gaap--NoncashInvestingAndFinancingItemsAbstract_iB_zhaQrS7pUbe1" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Non-cash investing and financing activities:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_403_ecustom--EquipmentPurchaseSubjectToFinanceLease_i01_zAWo7MwMfWT5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Equipment purchase subject to finance lease</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
accompanying notes are an integral part of these consolidated financial statements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="ma_008"></span><b>PERMA-FIX
ENVIRONMENTAL SERVICES, INC.</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Notes
to Consolidated Financial Statements</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>December
31, 2021 and 2020</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:BusinessDescriptionAndBasisOfPresentationTextBlock"><p id="xdx_808_eus-gaap--BusinessDescriptionAndBasisOfPresentationTextBlock_zHNzVv7sIPg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
1</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_825_zbhraiPNRFa5">DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 15pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
Environmental Services, Inc. (the Company, which may be referred to as we, us, or our), an environmental and technology know-how company,
is a Delaware corporation, engaged through its subsidiaries, in three reportable segments:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">TREATMENT
SEGMENT, which includes:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
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    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">-</span></td>
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    low-level radioactive, mixed waste (containing both hazardous and low-level radioactive constituents), hazardous and non-hazardous
    waste treatment, processing and disposal services primarily through four uniquely licensed and permitted treatment and storage facilities;
    and</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">-</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">R&amp;D
    activities to identify, develop and implement innovative waste processing techniques for problematic waste streams.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">SERVICES
SEGMENT, which includes:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
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    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">-</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: justify">&#160;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify">&#160;</td>
    <td colspan="2" style="font: 10pt Times New Roman, Times, Serif; text-align: justify">&#160;</td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
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    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9675;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">professional
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    engineering;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9675;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">integrated
    Occupational Safety and Health services including IH assessments; hazardous materials surveys, e.g., exposure monitoring; lead and
    asbestos management/abatement oversight; indoor air quality evaluations; health risk and exposure assessments; health &amp; safety
    plan/program development, compliance auditing and training services; and OSHA citation assistance;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9675;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">global
    technical services providing consulting, engineering, project management, waste management, environmental, and decontamination and
    decommissioning field, technical, and management personnel and services to commercial and government customers; and</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9675;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">on-site
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif; text-align: justify">&#160;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify">&#160;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify">&#160;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify">&#160;</td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">-</span></td>
    <td colspan="2" style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Nuclear
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif; text-align: justify">&#160;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify">&#160;</td>
    <td colspan="2" style="font: 10pt Times New Roman, Times, Serif; text-align: justify">&#160;</td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9675;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">technology-based
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9675;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">remediation
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    project investigation; radiological engineering; partial and total plant D&amp;D; facility decontamination, dismantling, demolition,
    and planning; site restoration; logistics; transportation; and emergency response; and</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif; text-align: justify">&#160;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify">&#160;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify">&#160;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify">&#160;</td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">-</span></td>
    <td colspan="2" style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">A
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  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">MEDICAL
SEGMENT, which included: R&amp;D of the Company&#8217;s medical isotope production technology by the Company&#8217;s majority-owned (approximately
<span id="xdx_905_eus-gaap--EquityMethodInvestmentOwnershipPercentage_iI_pid_dp_c20211231__us-gaap--TypeOfArrangementAxis__custom--SalesAgreementMember_zk4NrQyXcNQd"><ix:nonFraction name="us-gaap:EquityMethodInvestmentOwnershipPercentage" contextRef="AsOf2021-12-31_custom_SalesAgreementMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">60.54</ix:nonFraction></span>%) Polish subsidiary, Perma-Fix Medical S.A (&#8220;PFM Poland&#8221;), and PFM Poland&#8217;s wholly-owned subsidiary, Perma-Fix
Medical Corporation (&#8220;PFMC&#8221;). The Company&#8217;s Medical Segment (or &#8220;PF Medical&#8221;) had not generated any revenue.
During December 2021, the Company made the strategic decision to cease all R&amp;D activities under the Medical Segment which resulted
in the sale of <span id="xdx_905_ecustom--SalesOfInterestPercentage_pid_dp_c20210101__20211231__srt--ConsolidatedEntitiesAxis__custom--PFMPolandMember_z4U6tuXcyzQ" title="Sale of interest in subsidiaries"><ix:nonFraction name="PESI:SalesOfInterestPercentage" contextRef="From2021-01-012021-12-31_custom_PFMPolandMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">100</ix:nonFraction></span>% of PFM Poland (See &#8220;Note 14 &#8211; PF Medical&#8221; for a discussion of this sale).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s continuing operations consist of the operations of our subsidiaries/facilities as follow: Diversified Scientific Services,
Inc. (&#8220;DSSI&#8221;), Perma-Fix of Florida, Inc. (&#8220;PFF&#8221;), Perma-Fix of Northwest Richland, Inc. (&#8220;PFNWR&#8221;),
Safety &amp; Ecology Corporation (&#8220;SEC&#8221;), Perma-Fix Environmental Services UK Limited (&#8220;PF UK Limited&#8221;), Perma-Fix
of Canada, Inc. (&#8220;PF Canada&#8221;), PF Medical, East Tennessee Materials &amp; Energy Corporation (&#8220;M&amp;EC&#8221;) (facility
closure completed in 2019), Oak Ridge Environmental Waste Operations Center (&#8220;EWOC&#8221;) and Perma-Fix ERRG, a variable interest
entity (&#8220;VIE&#8221;) for which we are the primary beneficiary (See &#8220;Note 20 - Variable Interest Entities (&#8220;VIE&#8221;)&#8221;
for a discussion of this VIE).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s discontinued operations (see Note 9) consist of operations of all our subsidiaries included in our Industrial Segment
which encompasses subsidiaries divested in 2011 and prior and three previously closed locations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Financial
Positions and Liquidity</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s 2021 financial results continued to be impacted by COVID-19 where we experienced continued waste shipment delays from
certain customers within our Treatment Segment. However, the Company expects to see a gradual return in waste receipts from these customers
starting in the second quarter of 2022 as the Company expects these customers to start easing up on COVID-19 restrictions, including
reinstating return-to-work schedule in the upcoming months. Additionally, as a result of the constraint in supply chain, our Treatment
Segment experienced a delay in the delivery of a new technology waste processing unit from our supplier which negatively impacted our
revenue as the associated revenue was not able to be generated. Delivery of this unit had been expected during the third quarter of 2021
but did not occur until the first quarter of 2022. The Company&#8217;s Services Segment experienced delays in procurement actions and
contract awards resulting primarily from the impact of COVID-19 in the first half of 2021. Since the end of the second quarter of 2021,
the Services Segment was awarded a number of new contracts but due to customer administrative delay and/or continued COVID-19 impact
experienced by certain customers, work under certain of these new awards was temporarily curtailed/delayed which negatively impacted
our revenue. We expect to see a ramp-up in activities from certain of these new projects starting in the second quarter
of 2022.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s cash flow requirements during the twelve months ended December 31, 2021 were primarily financed by our operations, our
credit facility availability and an equity raise that the Company consummated at the end of the third quarter of 2021. The Company received
approximately $<span id="xdx_90F_eus-gaap--ProceedsFromIssuanceOfCommonStock_pp0p0_c20210101__20211231__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember_zfgabJ6CdP3g" title="Proceeds from issuance of common stock"><ix:nonFraction name="us-gaap:ProceedsFromIssuanceOfCommonStock" contextRef="From2021-01-012021-12-31_us-gaap_CommonStockMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">6,200,000</ix:nonFraction></span> in gross proceeds from this equity raise for the sale and issuance of <span id="xdx_904_eus-gaap--StockIssuedDuringPeriodSharesNewIssues_pid_c20210101__20211231__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember_z5cjl4nqZ9ab" title="Shares issued during period, new issue"><ix:nonFraction name="us-gaap:StockIssuedDuringPeriodSharesNewIssues" contextRef="From2021-01-012021-12-31_us-gaap_CommonStockMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">1,000,000</ix:nonFraction></span> shares of the Company&#8217;s
Common Stock (see &#8220;Note 7 &#8211; Common Stock Subscription Agreement&#8221; for a discussing of this equity raise). At December
31, 2021, the Company had borrowing availability under its revolving credit facility of approximately $<span id="xdx_904_eus-gaap--LineOfCreditFacilityCurrentBorrowingCapacity_iI_pp0p0_c20211231__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zPunkl59IJyf" title="Line of credit, borrowing capacity"><ix:nonFraction name="us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity" contextRef="AsOf2021-12-31_us-gaap_RevolvingCreditFacilityMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">8,692,000</ix:nonFraction></span> which was based on a
percentage of eligible receivables and subject to certain reserves and included its cash on hand of approximately $<span id="xdx_90A_eus-gaap--Cash_iI_pp0p0_c20211231__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zwGadfhyRmej" title="Cash on hand"><ix:nonFraction name="us-gaap:Cash" contextRef="AsOf2021-12-31_us-gaap_RevolvingCreditFacilityMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">4,440,000</ix:nonFraction></span>. The Company
has ceased all R&amp;D activities under its Medical Segment and sold its majority-owned subsidiary, PFM Poland (see &#8220;Note 14 &#8211;
PF Medical&#8221; for a discussion of the sale of PFM Poland). The Company&#8217;s cash flow requirements for the next twelve months
will consist primarily of general working capital needs, scheduled principal payments on our debt obligations, remediation projects,
and planned capital expenditures. We plan to fund these requirements from our operations, credit facility availability, our capital expenditure
line, and cash on hand. We are continually reviewing operating costs and reviewing the possibility of further reducing operating costs
and non-essential expenditures to bring them in line with revenue levels, when necessary. At this time, we believe that our cash flows
from operations, our available liquidity from our credit facility, our capital expenditure line and our cash on hand should be sufficient
to fund our operations for the next twelve months.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
the situations surrounding COVID-19 continues to remain fluid, the full impact and extent of the pandemic on our financial results and
liquidity cannot be estimated with any degree of certainty. We continue to closely monitor the impact of the COVID-19 pandemic on all
aspects of our business.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:SignificantAccountingPoliciesTextBlock"><p id="xdx_805_eus-gaap--SignificantAccountingPoliciesTextBlock_zv9bMTKY4M6e" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
2</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_823_znauXrlqTCnd">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ConsolidationPolicyTextBlock"><p id="xdx_842_eus-gaap--ConsolidationPolicyTextBlock_zGFRvVTICWz3" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86A_z3HznYA4tfae">Principles
of Consolidation</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s consolidated financial statements include our accounts, those of our wholly-owned subsidiaries, our majority-owned Polish
subsidiary (see &#8220;Note 15 &#8211; PF Medical&#8221; for a discussion on the sale of PFM Poland in December 2021), and Perma-Fix
ERRG, a VIE for which we are the primary beneficiary as discussed above, after elimination of all significant intercompany accounts and
transactions.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<ix:exclude><!-- Field: Page; Sequence: 45; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->43<!-- Field: /Sequence --></td></tr></table></div>
    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:UseOfEstimates"><p id="xdx_84C_eus-gaap--UseOfEstimates_zU7Dg9Gv3D3c" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86B_zjrOzG4O05Zf">Use
of Estimates</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company prepares financial statements in conformity with accounting standards generally accepted in the United States (&#8220;U.S.
GAAP&#8221;), which may require estimates of future cash flows and assumptions that affect the reported amounts of assets and liabilities
and disclosures of contingent assets and liabilities at the date of the financial statements, as well as, the reported amounts of revenues
and expenses during the reporting period. Due to the inherent uncertainty involved in making estimates, actual results could differ from
those estimates.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:CashAndCashEquivalentsPolicyTextBlock"><p id="xdx_843_eus-gaap--CashAndCashEquivalentsPolicyTextBlock_zgy44TNKXiMk" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86D_zH6r9bToncM7">Cash
and Finite Risk Sinking Fund (Restricted Cash)</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">At
December 31, 2021, the Company had cash on hand of approximately $<span id="xdx_902_eus-gaap--Cash_iI_pp0d_c20211231_zUp4JFrCEtNf" title="Cash on hand"><ix:nonFraction name="us-gaap:Cash" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">4,444,000</ix:nonFraction></span>, which included account balances of our foreign subsidiaries
totaling approximately $<span id="xdx_909_eus-gaap--Cash_iI_pp0d_c20211231__srt--ConsolidatedEntitiesAxis__custom--ForeignSubsidiariesMember_zwGsrQDOJQ12" title="Cash on hand"><ix:nonFraction name="us-gaap:Cash" contextRef="AsOf2021-12-31_custom_ForeignSubsidiariesMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">26,000</ix:nonFraction></span>. At December 31, 2020, the Company had cash on hand of approximately $<span><span id="xdx_90D_eus-gaap--Cash_iI_pp0p0_c20201231_zg5J8pg9uSx7" title="Cash on hand"><ix:nonFraction name="us-gaap:Cash" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">7,924,000</ix:nonFraction></span></span>, which included account
balances of our foreign subsidiaries totaling approximately $<span id="xdx_905_eus-gaap--Cash_iI_pp0p0_c20201231__srt--ConsolidatedEntitiesAxis__custom--ForeignSubsidiariesMember_z5rzkn2Kr7Pg" title="Cash on hand"><ix:nonFraction name="us-gaap:Cash" contextRef="AsOf2020-12-31_custom_ForeignSubsidiariesMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">377,000</ix:nonFraction></span>. At December 31, 2021 and 2020, the Company had finite risk sinking
funds of approximately $<span id="xdx_906_eus-gaap--RestrictedCashNoncurrent_iI_c20211231_zKmvDKKBmHU6" title="Finite risk sinking fund"><ix:nonFraction name="us-gaap:RestrictedCashNoncurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">11,471,000</ix:nonFraction></span> and $<span id="xdx_90D_eus-gaap--RestrictedCashNoncurrent_iI_pp0p0_c20201231_zhDJiSHwusab" title="Finite risk sinking fund"><ix:nonFraction name="us-gaap:RestrictedCashNoncurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">11,446,000</ix:nonFraction></span>, respectively, which represented cash held as collateral under the Company&#8217;s
financial assurance policy (see &#8220;Note 15 &#8211; Commitment and Contingencies &#8211; Insurance&#8221; for a discussion of this
fund).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:TradeAndOtherAccountsReceivablePolicy"><p id="xdx_841_eus-gaap--TradeAndOtherAccountsReceivablePolicy_zdyToPK9JXI6" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_867_zXRqhrFr8bpj">Accounts
Receivable</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accounts
receivable are customer obligations due under normal trade terms requiring payment within 30 or 60 days from the invoice date based on
the customer type (government, broker, or commercial). The carrying amount of accounts receivable is reduced by an allowance for doubtful
accounts, which is a valuation allowance that reflects management&#8217;s best estimate of the amounts that will not be collected. The
Company regularly reviews all accounts receivable balances that exceed 60 days from the invoice date and based on an assessment of current
credit worthiness, estimates the portion, if any, of the balance that will not be collected. This analysis excludes government related
receivables due to our past successful experience in their collectability. Specific accounts that are deemed to be uncollectible are
reserved at 100% of their outstanding balance. The remaining balances aged over 60 days have a percentage applied by aging category,
based on historical experience that allows us to calculate the total allowance required. Once the Company has exhausted all options in
the collection of a delinquent accounts receivable balance, which includes collection letters, demands for payment, collection agencies
and attorneys, the account is deemed uncollectible and subsequently written off. The write off process involves approvals from senior
management based on required approval thresholds.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock"><p id="xdx_89F_eus-gaap--ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock_z4sw87g0uqFi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table sets forth the activity in the allowance for doubtful accounts for the years ended December 31, 2021 and 2020 (in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B1_zdmDforkxnn" style="display: none">SCHEDULE OF CREDIT LOSSES FOR FINANCING RECEIVABLES, CURRENT</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 80%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Year
    Ended December 31,</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Allowance for doubtful accounts
    - beginning of year</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iS_pn3n3_c20210101__20211231_z2thEoh3Mzp9" title="Allowance for doubtful accounts - beginning of year" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">404</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iS_pn3n3_c20200101__20201231_zRPwk5XbXdU" title="Allowance for doubtful accounts - beginning of year" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent" contextRef="AsOf2019-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">487</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Provision for (recovery of) bad debt reserve</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesProvision_pn3n3_c20210101__20211231_zJyNnKlPRBE4" title="Provision for (recovery of) bad debt reserve" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:AllowanceForDoubtfulAccountsReceivableRecoveriesProvision" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">41</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesProvision_pn3n3_c20200101__20201231_ztv2F2jlaDt3" title="Provision for (recovery of) bad debt reserve" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="PESI:AllowanceForDoubtfulAccountsReceivableRecoveriesProvision" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">101</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">(Write-off) recovery of
    write-off</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_986_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff_pn3n3_c20210101__20211231_zuMyec4YCrvf" title="(Write-off) recovery of write-off" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="PESI:AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">360</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98D_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff_pn3n3_c20200101__20201231_zJJk0KGtQ3tb" title="(Write-off) recovery of write-off" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">18</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Allowance for doubtful
    accounts - end of year</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iE_pn3n3_c20210101__20211231_zc0iClrFaLTa" title="Allowance for doubtful accounts - end of year" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">85</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iE_pn3n3_c20200101__20201231_z4BG1uoVYgTc" title="Allowance for doubtful accounts - end of year" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">404</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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</ix:nonNumeric><p id="xdx_8AF_z5HgxIomnts8" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:TradeAndOtherAccountsReceivableUnbilledReceivablesPolicy"><p id="xdx_848_eus-gaap--TradeAndOtherAccountsReceivableUnbilledReceivablesPolicy_zaxQKDblktMb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86B_zKUTA4Hjdb3f">Unbilled
Receivables</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Unbilled
receivables are generated by differences between invoicing timing and our over time revenue recognition methodology used for revenue
recognition purposes. As major processing and contract completion phases are completed and the costs are incurred, the Company recognizes
the corresponding percentage of revenue. Within our Treatment Segment, the facilities experience delays in processing invoices due to
the complexity of the documentation that is required for invoicing, as well as the difference between completion of revenue recognition
milestones and agreed upon invoicing terms, which results in unbilled receivables. The timing differences occur for several reasons which
include: partially from delays in the final processing of all wastes associated with certain work orders and partially from delays for
analytical testing that is required after the facilities have processed waste but prior to our release of waste for disposal. The tasks
relating to these delays can take months to complete but are generally completed within twelve months.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Unbilled
receivables within our Services Segment can result from work performed under contracts but invoice milestones have not yet been met and/or
contract claims and pending change orders, including REA when work has been performed and collection of revenue is reasonably assured.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:InventoryPolicyTextBlock"><p id="xdx_848_eus-gaap--InventoryPolicyTextBlock_zWdmkqso8Mxf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_869_zyGMoeorfYJ6">Inventories</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Inventories
consist of treatment chemicals, saleable used oils, and certain supplies. Additionally, the Company has replacement parts in inventory,
which are deemed critical to the operating equipment and may also have extended lead times should the part fail and need to be replaced.
Inventories are valued at the lower of cost or net realizable value with cost determined by the first-in, first-out method.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:CostOfSalesPolicyTextBlock"><p id="xdx_84D_eus-gaap--CostOfSalesPolicyTextBlock_ze7egpn2wqTg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86A_zNF4ri5sjEI8">Disposal
and Transportation Costs</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company accrues for waste disposal based upon a physical count of the waste at each facility at the end of each accounting period. Current
market prices for transportation and disposal costs are applied to the end of period waste inventories to calculate for the transportation
and disposal accruals.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:PropertyPlantAndEquipmentPolicyTextBlock"><p id="xdx_841_eus-gaap--PropertyPlantAndEquipmentPolicyTextBlock_zSCrUWPvFnz6" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_869_zf2VpvQOSPy5">Property
and Equipment</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Property
and equipment expenditures are capitalized and depreciated using the straight-line method over the estimated useful lives of the assets
for financial statement purposes, while accelerated depreciation methods are principally used for income tax purposes. Generally, asset
lives range from <span id="xdx_90C_eus-gaap--PropertyPlantAndEquipmentUsefulLife_dtYxL_c20210101__20211231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--BuildingMember__srt--RangeAxis__srt--MinimumMember_zRFVymWivwj" title="Property, plant and equipment, useful life::XDX::10"><span style="-sec-ix-hidden: xdx2ixbrl0765">ten</span></span> to <span id="xdx_904_eus-gaap--PropertyPlantAndEquipmentUsefulLife_dc_c20210101__20211231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--BuildingMember__srt--RangeAxis__srt--MaximumMember_zQCk22aJrcq4"><ix:nonNumeric contextRef="From2021-01-012021-12-31_us-gaap_BuildingMember_srt_MaximumMember" format="ixt-sec:durwordsen" name="us-gaap:PropertyPlantAndEquipmentUsefulLife">forty years</ix:nonNumeric></span> for buildings (including improvements and asset retirement costs) and <span id="xdx_904_eus-gaap--PropertyPlantAndEquipmentUsefulLife_dtYxL_c20210101__20211231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--OfficeFurnitureAndEquipmentMember__srt--RangeAxis__srt--MinimumMember_zydfL9JiDPFd" title="::XDX::3"><span style="-sec-ix-hidden: xdx2ixbrl0767">three</span></span> to <span id="xdx_90A_eus-gaap--PropertyPlantAndEquipmentUsefulLife_dc_c20210101__20211231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--OfficeFurnitureAndEquipmentMember__srt--RangeAxis__srt--MaximumMember_zKPjPtNramEk"><ix:nonNumeric contextRef="From2021-01-012021-12-31_custom_OfficeFurnitureAndEquipmentMember_srt_MaximumMember" format="ixt-sec:durwordsen" name="us-gaap:PropertyPlantAndEquipmentUsefulLife">seven years</ix:nonNumeric></span> for office
furniture and equipment, vehicles, and decontamination and processing equipment. Leasehold improvements are capitalized and amortized
over the lesser of the term of the lease or the life of the asset. Maintenance and repairs are charged directly to expense as incurred.
The cost and accumulated depreciation of assets sold or retired are removed from the respective accounts, and any gain or loss from sale
or retirement is recognized in the accompanying Consolidated Statements of Operations. Renewals and improvements, which extend the useful
lives of the assets, are capitalized.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Certain
property and equipment expenditures are financed through leases. Amortization of financed leased assets is computed using the straight-line
method over the estimated useful lives of the assets. At December 31, 2021, assets recorded under finance leases were $<span id="xdx_90A_eus-gaap--FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_iI_pp0p0_c20211231_zGlJrZHAZ7j4" title="Finance leases assets recorded"><ix:nonFraction name="us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">2,409,000</ix:nonFraction></span> less
accumulated depreciation of $<span id="xdx_90B_eus-gaap--FinanceLeaseRightOfUseAssetAccumulatedAmortization_iI_pp0p0_c20211231_ztcQaxiTS5pl" title="Finance leases accumulated depreciation"><ix:nonFraction name="us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">475,000</ix:nonFraction></span>, resulting in net fixed assets under finance leases of $<span id="xdx_90C_ecustom--FixedAssetsOfFinanceLease_iI_pp0p0_c20211231_zCUDBTdQi19d" title="Finance leases net fixed asset"><ix:nonFraction name="PESI:FixedAssetsOfFinanceLease" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">1,934,000</ix:nonFraction></span>. At December 31, 2020, assets
recorded under finance leases were $<span id="xdx_904_eus-gaap--FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_iI_pp0p0_c20201231_zOwPpOkJAQ22" title="Finance leases assets recorded"><ix:nonFraction name="us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">2,285,000</ix:nonFraction></span> less accumulated depreciation of $<span id="xdx_90F_eus-gaap--FinanceLeaseRightOfUseAssetAccumulatedAmortization_iI_pp0p0_c20201231_zVutUEBKPoSd" title="Finance leases accumulated depreciation"><ix:nonFraction name="us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">291,000</ix:nonFraction></span>, resulting in net fixed assets under finance
leases of $<span id="xdx_90C_ecustom--FixedAssetsOfFinanceLease_iI_pp0p0_c20201231_zp6EbtE93qW6" title="Finance leases net fixed asset"><ix:nonFraction name="PESI:FixedAssetsOfFinanceLease" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">1,994,000</ix:nonFraction></span>. These assets are recorded within net property and equipment on the Consolidated Balance Sheets.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Long-lived
assets, such as property, plant and equipment, are reviewed for impairment whenever events or changes in circumstances indicate that
the carrying amount of an asset may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the
carrying amount of an asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount
of an asset exceeds its estimated future cash flows, an impairment charge is recognized in the amount by which the carrying amount of
the asset exceeds the fair value of the asset. Assets to be disposed of are separately presented in the balance sheet and reported at
the lower of the carrying amount or fair value less costs to sell, and are no longer depreciated.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
depreciation expense totaled approximately $<span id="xdx_905_eus-gaap--Depreciation_pp0p0_c20210101__20211231_zaqvdAjuFyv3" title="Depreciation expense"><ix:nonFraction name="us-gaap:Depreciation" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">1,476,000</ix:nonFraction></span> and $<span id="xdx_904_eus-gaap--Depreciation_pp0p0_c20200101__20201231_zlxjC2qzlDs1" title="Depreciation"><ix:nonFraction name="us-gaap:Depreciation" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">1,357,000</ix:nonFraction></span> in 2021 and 2020, respectively.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:LesseeLeasesPolicyTextBlock"><p id="xdx_842_eus-gaap--LesseeLeasesPolicyTextBlock_zcdVbRJ3NTkb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86F_zlUdbXGrMvhg">Leases</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company accounts for leases in accordance with FASB&#8217;s ASU 2016-02, &#8220;Leases (Topic 842).&#8221; At the inception of an arrangement,
the Company determines if an arrangement is, or contains, a lease based on facts and circumstances present in that arrangement. Lease
classifications, recognition, and measurement are then determined at the lease commencement date.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<ix:exclude><!-- Field: Page; Sequence: 47; Value: 34 -->
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    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s operating lease right-of-use (&#8220;ROU&#8221;) assets and operating lease liabilities represent primarily leases for
office and warehouse spaces used to conduct our business. These leases have remaining terms of approximately two to eight years which
include additional options to renew. The Company includes renewal options in valuing its ROU assets and liabilities when it determines
that it is reasonably certain to exercise these renewal options. As most of our operating leases do not provide an implicit rate, the
Company uses its incremental borrowing rate as the discount rate when determining the present value of the lease payments. The incremental
borrowing rate is determined based on the Company&#8217;s secured borrowing rate, lease terms and current economic environment. Some
of our operating leases include both lease (rent payments) and non-lease components (maintenance costs such as cleaning and landscaping
services). The Company has elected the practical expedient to account for lease component and non-lease component as a single component
for all leases under ASU 2016-02. Lease expense for operating leases is recognized on a straight-line basis over the lease term.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Finance
leases primarily consist of processing and transport equipment used by our facilities&#8217; operations. The Company&#8217;s finance
leases also included a building with land utilized for our waste treatment operations which included a purchase option. During the third
quarter of 2021, the Company concluded that it was more likely than not that it would not exercise this purchase option but will continue
to lease the property. Accordingly, a reassessment of this lease was performed which resulted in reclassification of this lease to an
operating lease. The Company&#8217;s finance leases have remaining terms of approximately one to four years and some of the leases include
options to purchase the underlying assets at fair market value at the conclusion of the lease term. See &#8220;Property and Equipment&#8221;
above for assets recorded under financed leases. Borrowing rates for our finance leases are either explicitly stated in the lease agreements
or implicitly determined from available terms in the lease agreements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company adopted the policy to not recognize ROU assets and liabilities for short term leases.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:GoodwillAndIntangibleAssetsPolicyTextBlock"><p id="xdx_84E_eus-gaap--GoodwillAndIntangibleAssetsPolicyTextBlock_zMHJAcx1vUh8" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_868_zQ8LslH3BMt6">Intangible
Assets</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Intangible
assets consist primarily of the recognized value of the permits required to operate our business. Indefinite-lived intangible assets
are not amortized but are reviewed for impairment annually as of October 1, or when events or changes in the business environment indicate
that the carrying value may be impaired. If the fair value of the asset is less than the carrying amount, a quantitative test is performed
to determine the fair value. The impairment loss, if any, is measured as the excess of the carrying value of the asset over its fair
value. Judgments and estimates are inherent in these analyses and include assumptions for, among other factors, forecasted revenue, gross
margin, growth rate, operating income, timing of expected future cash flows, and the determination of appropriate long-term discount
rates. Impairment testing of our indefinite-lived permits related to our Treatment reporting unit as of October 1, 2021 and 2020 resulted
in no impairment charges.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Intangible
assets that have definite useful lives are amortized using the straight-line method over the estimated useful lives (with the exception
of customer relationships which are amortized using an accelerated method) and are excluded from our annual intangible asset valuation
review as of October 1. Definite-lived intangible assets are also tested for impairment whenever events or changes in circumstances suggest
impairment might exist.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ResearchAndDevelopmentExpensePolicy"><p id="xdx_84B_eus-gaap--ResearchAndDevelopmentExpensePolicy_zXHCLr8Iyoia" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86A_zcMGIrM1cauh">R&amp;D</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Operational
innovation and technical know-how are very important to the success of our business. Our goal is to discover, develop, and bring to market
innovative ways to process waste that address unmet environmental needs and to develop new company service offerings. The Company conducts
research internally and also through collaborations with other third parties. R&amp;D costs consist primarily of employee salaries and
benefits, laboratory costs, third party fees, and other related costs associated with the development and enhancement of new potential
waste treatment processes and new technology and are charged to expense when incurred in accordance with ASC Topic 730, &#8220;Research
and Development.&#8221;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>


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    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:AssetRetirementObligationsPolicy"><p id="xdx_845_eus-gaap--AssetRetirementObligationsPolicy_zZQaogrcIlZi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_868_zgOMvZiQ94f7">Accrued
Closure Costs and ARO</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accrued
closure costs represent our estimated environmental liability to clean up our facilities, as required by our permits, in the event of
closure. ASC 410, &#8220;Asset Retirement and Environmental Obligations&#8221; requires that the discounted fair value of a liability
for an ARO be recognized in the period in which it is incurred with the associated ARO capitalized as part of the carrying cost of the
asset. The recognition of an ARO requires that management make numerous estimates, assumptions and judgments regarding such factors as
estimated probabilities, timing of settlements, material and service costs, current technology, laws and regulations, and credit adjusted
risk-free rate to be used. This estimate is inflated, using an inflation rate, to the expected time at which the closure will occur,
and then discounted back, using a credit adjusted risk free rate, to the present value. ARO&#8217;s are included within buildings as
part of property and equipment and are depreciated over the estimated useful life of the property. In periods subsequent to initial measurement
of the ARO, the Company must recognize period-to-period changes in the liability resulting from the passage of time and revisions to
either the timing or the amount of the original estimate of undiscounted cash flows. Increases in the ARO liability due to passage of
time impact net income as accretion expense, which is included in cost of goods sold. Changes in costs resulting from changes or expansion
at the facilities require adjustment to the ARO liability and are capitalized and charged as depreciation expense, in accordance with
the Company&#8217;s depreciation policy.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:IncomeTaxPolicyTextBlock"><p id="xdx_84A_eus-gaap--IncomeTaxPolicyTextBlock_zYQJugLOWcAf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_863_zxTwsH0WguNe">Income
Taxes</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Income
taxes are accounted for in accordance with ASC 740, &#8220;Income Taxes.&#8221; Under ASC 740, the provision for income taxes is comprised
of taxes that are currently payable and deferred taxes that relate to the temporary differences between financial reporting carrying
values and tax bases of assets and liabilities. Deferred tax assets and liabilities are measured using enacted income tax rates expected
to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. Any effect on deferred
tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">ASC
740 requires that deferred income tax assets be reduced by a valuation allowance if it is more likely than not that some portion or all
of the deferred income tax assets will not be realized. The Company regularly assesses the likelihood that the deferred tax asset will
be recovered from future taxable income. The Company considers projected future taxable income and ongoing tax planning strategies, then
records a valuation allowance to reduce the carrying value of the net deferred income taxes to an amount that is more likely than not
to be realized. (See &#8220;Note 13 &#8211; Income Taxes&#8221; for a discussion of the release of valuation allowance on deferred tax
assets made by the Company in the third quarter of 2021).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">ASC
740 sets out a consistent framework for preparers to use to determine the appropriate recognition and measurement of uncertain tax positions.
ASC 740 uses a two-step approach wherein a tax benefit is recognized if a position is more-likely-than-not to be sustained. The amount
of the benefit is then measured to be the highest tax benefit which is greater than 50% likely to be realized. ASC 740 also sets out
disclosure requirements to enhance transparency of an entity&#8217;s tax reserves. The Company recognizes accrued interest and income
tax penalties related to unrecognized tax benefits as a component of income tax expense.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company reassesses the validity of our conclusions regarding uncertain income tax positions on a quarterly basis to determine if facts
or circumstances have arisen that might cause us to change our judgment regarding the likelihood of a tax position&#8217;s sustainability
under audit.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock"><p id="xdx_847_eus-gaap--ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_zgbR2zZWy2Bj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86C_zBUWCLFxqK0l">Foreign
Currency</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s foreign subsidiaries include PF UK Limited and PF Canada and also included PF Medical. Assets and liabilities
are translated to U.S. dollars at the exchange rate in effect at the balance sheet date and revenue and expenses at the average exchange
rate for the period. Foreign currency translation adjustments for these subsidiaries are accumulated as a separate component of accumulated
other comprehensive income (loss) in stockholders&#8217; equity. Gains and losses resulting from foreign currency transactions are recognized
in the Consolidated Statements of Operations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ConcentrationRiskCreditRisk"><p id="xdx_846_eus-gaap--ConcentrationRiskCreditRisk_zF6hNojxV1v9" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86B_zeK1YQ8KsLt9">Concentration
Risk</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company performed services relating to waste generated by government clients (domestic and foreign (primarily Canadian)), either indirectly
for others as a subcontractor to government entities or directly as a prime contractor, representing approximately $<span id="xdx_901_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zVr5CjsV0Sh3"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_us-gaap_SalesRevenueNetMember_custom_GovernmentClientsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">60,812,000</ix:nonFraction></span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">,
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">or <span id="xdx_903_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_z89lMpccT1Pg"><ix:nonFraction name="us-gaap:ConcentrationRiskPercentage1" contextRef="From2021-01-012021-12-31_us-gaap_SalesRevenueNetMember_us-gaap_CustomerConcentrationRiskMember_custom_GovernmentClientsMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">84.2</ix:nonFraction></span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%,
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">of our total revenue during 2021, as compared to
$<span id="xdx_90C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zp8dLn8NNaHd"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_us-gaap_SalesRevenueNetMember_custom_GovernmentClientsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">96,582,000</ix:nonFraction></span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">,
or <span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zLPkLVStwqO1"><ix:nonFraction name="us-gaap:ConcentrationRiskPercentage1" contextRef="From2020-01-012020-12-31_us-gaap_SalesRevenueNetMember_us-gaap_CustomerConcentrationRiskMember_custom_GovernmentClientsMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">91.6</ix:nonFraction></span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%,
of our total revenue during 2020.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Revenue
generated by the Company as a subcontractor to a customer for a remediation project performed for a government entity (the DOE) within
our Services Segment in 2021 and 2020 accounted for approximately $<span id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesSegmentMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zyY8J9Oiezei"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_us-gaap_SalesRevenueNetMember_custom_ServicesSegmentMember_custom_GovernmentClientsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">8,526,000</ix:nonFraction>
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">or <span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesSegmentMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zps7gZVZFlod"><ix:nonFraction name="us-gaap:ConcentrationRiskPercentage1" contextRef="From2021-01-012021-12-31_us-gaap_SalesRevenueNetMember_us-gaap_CustomerConcentrationRiskMember_custom_ServicesSegmentMember_custom_GovernmentClientsMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">11.8</ix:nonFraction></span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">and $<span id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesSegmentMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zB4Xg1hmwnW9"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_us-gaap_SalesRevenueNetMember_custom_ServicesSegmentMember_custom_GovernmentClientsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">41,011,000</ix:nonFraction>
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">or <span id="xdx_901_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesSegmentMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zg4sC9OHrzc3"><ix:nonFraction name="us-gaap:ConcentrationRiskPercentage1" contextRef="From2020-01-012020-12-31_us-gaap_SalesRevenueNetMember_us-gaap_CustomerConcentrationRiskMember_custom_ServicesSegmentMember_custom_GovernmentClientsMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">38.9</ix:nonFraction></span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
(included in revenues generated relating to government clients above) of the Company&#8217;s total revenue for 2021 and 2020, respectively.
This remediation project included among other things, decontamination support of a building. This project was completed in the second
quarter of 2021.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
our revenues are project/event based where the completion of one contract with a specific customer may be replaced by another contract
with a different customer from year to year, the Company does not believe the loss of one specific customer from one year to the next
will generally have a material adverse effect on our operations and financial condition.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Financial
instruments that potentially subject the Company to significant concentrations of credit risk consist principally of cash and accounts
receivable. The Company maintains cash with high quality financial institutions, which may exceed Federal Deposit Insurance Corporation
(&#8220;FDIC&#8221;) insured amounts from time to time. Concentration of credit risk with respect to accounts receivable is limited due
to the Company&#8217;s large number of customers and their dispersion throughout the United States as well as with the significant amount
of work that we perform for government entities.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company had two government related customers whose total unbilled and net outstanding receivable balances represented <span id="xdx_905_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerOneMember_zglrCbsZWlZ5"><ix:nonFraction name="us-gaap:ConcentrationRiskPercentage1" contextRef="From2021-01-012021-12-31_us-gaap_AccountsReceivableMember_us-gaap_CustomerConcentrationRiskMember_custom_CustomerOneMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">18.2</ix:nonFraction></span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">and <span id="xdx_900_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerTwoMember_zmkRKuIlFsc1"><ix:nonFraction name="us-gaap:ConcentrationRiskPercentage1" contextRef="From2021-01-012021-12-31_us-gaap_AccountsReceivableMember_us-gaap_CustomerConcentrationRiskMember_custom_CustomerTwoMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">23.5</ix:nonFraction></span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">of the Company&#8217;s total consolidated unbilled
and net accounts receivable at December 31, 2021. The Company had three government related customers whose total unbilled and net outstanding
receivable balances represented <span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerOneMember_z8asSgCsEFBg"><ix:nonFraction name="us-gaap:ConcentrationRiskPercentage1" contextRef="From2020-01-012020-12-31_us-gaap_AccountsReceivableMember_us-gaap_CustomerConcentrationRiskMember_custom_CustomerOneMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">41.1</ix:nonFraction></span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%,
<span id="xdx_90D_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerTwoMember_zStgEcZD7Gia"><ix:nonFraction name="us-gaap:ConcentrationRiskPercentage1" contextRef="From2020-01-012020-12-31_us-gaap_AccountsReceivableMember_us-gaap_CustomerConcentrationRiskMember_custom_CustomerTwoMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">19.0</ix:nonFraction></span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
and <span id="xdx_908_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerThreeMember_zvjee5VvMBTl"><ix:nonFraction name="us-gaap:ConcentrationRiskPercentage1" contextRef="From2020-01-012020-12-31_us-gaap_AccountsReceivableMember_us-gaap_CustomerConcentrationRiskMember_custom_CustomerThreeMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">12.5</ix:nonFraction></span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
of the Company&#8217;s total consolidated unbilled and net accounts receivable at December 31, 2020.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:RevenueRecognitionPolicyTextBlock"><p id="xdx_841_eus-gaap--RevenueRecognitionPolicyTextBlock_z2XixP5DCqph" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_861_zsDlsj3pxPG6">Revenue
Recognition and Related Policies</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company recognizes revenue in accordance with FASB&#8217;s ASC 606, &#8220;Revenue from Contracts with Customers.&#8221; ASC 606 provides
a single, comprehensive revenue recognition model for all contracts with customers. Under ASC 606, a five-step process is utilized in
order to determine revenue recognition, depicting the transfer of goods or services to a customer at an amount that reflects the consideration
it expects to receive in exchange for those goods or services. Under ASC 606, a performance obligation is a promise in a contract to
transfer a distinct good or service to the customer and is the unit of account. A contract transaction price is allocated to each distinct
performance obligation and recognized as revenues as the performance obligation is satisfied.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Treatment
Segment Revenues:</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Contracts
in our Treatment Segment primarily have a single performance obligation as the promise to receive, treat and dispose of waste is not
separately identifiable in the contract and, therefore, not distinct. Performance obligations are generally satisfied over time using
the input method. Under the input method, the Company uses a measure of progress divided into major phases which include receipt (ranging
from <span id="xdx_90E_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--ReceiptMember__srt--RangeAxis__srt--MinimumMember_zQjzGbVE8dui"><ix:nonFraction name="PESI:PercentageOfRevenueRecognized" contextRef="AsOf2021-12-31_custom_ReceiptMember_srt_MinimumMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">9.0</ix:nonFraction></span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
to <span id="xdx_909_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--ReceiptMember__srt--RangeAxis__srt--MaximumMember_zNit39EsWWg1"><ix:nonFraction name="PESI:PercentageOfRevenueRecognized" contextRef="AsOf2021-12-31_custom_ReceiptMember_srt_MaximumMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">33</ix:nonFraction></span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%),
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">treatment/processing (ranging from <span id="xdx_90F_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--TreatmentOrProcessingMember__srt--RangeAxis__srt--MinimumMember_z3tTKMzhIqjj"><ix:nonFraction name="PESI:PercentageOfRevenueRecognized" contextRef="AsOf2021-12-31_custom_TreatmentOrProcessingMember_srt_MinimumMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">15</ix:nonFraction></span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
to <span id="xdx_902_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--TreatmentOrProcessingMember__srt--RangeAxis__srt--MaximumMember_z3NvBeyc1K77"><ix:nonFraction name="PESI:PercentageOfRevenueRecognized" contextRef="AsOf2021-12-31_custom_TreatmentOrProcessingMember_srt_MaximumMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">79</ix:nonFraction></span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%)
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">and shipment/final disposal (ranging from <span id="xdx_902_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--ShipmentOrFinalDisposalMember__srt--RangeAxis__srt--MinimumMember_zwJSRIJ27pV5"><ix:nonFraction name="PESI:PercentageOfRevenueRecognized" contextRef="AsOf2021-12-31_custom_ShipmentOrFinalDisposalMember_srt_MinimumMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">9.0</ix:nonFraction></span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">to <span id="xdx_903_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--ShipmentOrFinalDisposalMember__srt--RangeAxis__srt--MaximumMember_zngmvGFCj4A1"><ix:nonFraction name="PESI:PercentageOfRevenueRecognized" contextRef="AsOf2021-12-31_custom_ShipmentOrFinalDisposalMember_srt_MaximumMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">52</ix:nonFraction></span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%).
As major processing phases are completed and the costs are incurred, the proportional percentage of revenue is recognized. Transaction
price for Treatment Segment contracts are determined by the stated fixed rate per unit price as stipulated in the contract.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Services
Segment Revenues:</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Revenues
for our Services Segment are generated from time and materials or fixed price arrangements:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s primary obligation to customers in time and materials contracts relate to the provision of services to the customer at
the direction of the customer. This provision of services at the request of the customer is the performance obligation, which is satisfied
over time. Revenue earned from time and materials contracts is determined using the input method and is based on contractually defined
billing rates applied to services performed and materials delivered.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Under
fixed price contracts, the objective of the project is not attained unless all scope items within the contract are completed and all
of the services promised within fixed fee contracts constitute a single performance obligation. Transaction price is estimated based
upon the estimated cost to complete the overall project. Revenue from fixed price contracts is recognized over time primarily using the
input method. For the input method, revenue is recognized based on costs incurred on the project relative to the total estimated costs
of the project.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
majority of our contracts with our customers are short term with an original expected length of one year or less. The Company&#8217;s
contracts and subcontracts relating to activities at governmental sites (both U.S. and Canadian) generally allow for termination for
convenience at any time at the government&#8217;s option without payment of a substantial penalty.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Variable
Consideration</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s contracts generally do not give rise to variable consideration. However, during the third quarter of 2021, the Company
recognized approximately $<span id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20210701__20210930_z8Ko2MNDgpsd" title="Revenue"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-07-012021-09-30" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">1,286,000</ix:nonFraction></span> in revenue from a REA under one of the Company&#8217;s Treatment Services contracts that resulted
in cumulative catch-up adjustment in the transaction price that had been constrained in prior periods.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Significant
Payment Terms</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Invoicing
is based on schedules established in customer contracts. Payment terms vary by customers but are generally established at 30 days from
invoicing.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Incremental
Costs to Obtain a Contract</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Costs
incurred to obtain contracts with our customers are immaterial and as a result, the Company expenses (within selling, general and administration
expenses (&#8220;SG&amp;A&#8221;)) incremental costs incurred in obtaining contracts with our customer as incurred.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Remaining
Performance Obligations</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company applies the practical expedient in ASC 606-10-50-14 and does not disclose information about remaining performance obligations
that have original expected durations of one year or less.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Within
our Services Segment, there are service contracts which provide that the Company has a right to consideration from a customer in an amount
that corresponds directly with the value to the customer of our performance completed to date. For those contracts, the Company has utilized
the practical expedient in ASC 606-10-55-18, which allows the Company to recognize revenue in the amount for which we have the right
to invoice; accordingly, the Company does not disclose the value of remaining performance obligations for those contracts.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s contracts and subcontracts relating to activities at governmental sites generally allow for termination for convenience
at any time at the government&#8217;s option without payment of a substantial penalty. The Company does not disclose remaining performance
obligations on these contracts.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ShareBasedCompensationOptionAndIncentivePlansPolicy"><p id="xdx_84C_eus-gaap--ShareBasedCompensationOptionAndIncentivePlansPolicy_z2XOCMi2zSSj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_865_zNAzUOtbJQ4g">Stock-Based
Compensation</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Stock-based
compensation granted to employees are accounted for in accordance with ASC 718, &#8220;Compensation &#8211; Stock Compensation.&#8221;
Stock-based payment transactions for acquiring goods and services from nonemployees are also accounted for under ASC 718. ASC 718 requires
stock-based payments to employees and nonemployees, including grant of options, to be recognized in the Statement of Operations based
on their fair values. The Company uses the Black-Scholes option-pricing model to determine the fair-value of stock-based awards which
requires subjective assumptions. Assumptions used to estimate the fair value of stock-based awards include the exercise price of the
award, the expected term, the expected volatility of our stock over the stock-based award&#8217;s expected term, the risk-free interest
rate over the award&#8217;s expected term, and the expected annual dividend yield. The Company accounts for forfeitures when they occur.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ComprehensiveIncomePolicyPolicyTextBlock"><p id="xdx_84A_eus-gaap--ComprehensiveIncomePolicyPolicyTextBlock_z87QLDUFkqpd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86E_zznCQdlYtPCl">Comprehensive
Income (Loss)</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
components of comprehensive income (loss) are net income (loss) and the effects of foreign currency translation adjustments.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:EarningsPerSharePolicyTextBlock"><p id="xdx_84A_eus-gaap--EarningsPerSharePolicyTextBlock_z139BlnYUEvh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_860_zhO0cBAfs6a3">Income
(Loss) Per Share</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Basic
income (loss) per share is calculated based on the weighted-average number of outstanding common shares during the applicable period.
Diluted income (loss) per share is based on the weighted-average number of outstanding common shares plus the weighted-average number
of potential outstanding common shares. In periods where they are anti-dilutive, such amounts are excluded from the calculations of dilutive
earnings per share. Income (loss) per share is computed separately for each period presented.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:FairValueMeasurementPolicyPolicyTextBlock"><p id="xdx_843_eus-gaap--FairValueMeasurementPolicyPolicyTextBlock_zURtsU9GkArk" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86B_zFhbBrHWDiCc">Fair
Value of Financial Instruments</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Certain
assets and liabilities are required to be recorded at fair value on a recurring basis, while other assets and liabilities are recorded
at fair value on a nonrecurring basis. Fair value is determined based on the exchange price that would be received for an asset or paid
to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction
between market participants. The three-tier value hierarchy, which prioritizes the inputs used in the valuation methodologies, is:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Level
1</b><i>&#8212;</i>Valuations based on quoted prices for identical assets and liabilities in active markets.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Level
2</b><i>&#8212;</i>Valuations based on observable inputs other than quoted prices included in Level 1, such as quoted prices for similar
assets and liabilities in active markets, quoted prices for identical or similar assets and liabilities in markets that are not active,
or other inputs that are observable or can be corroborated by observable market data.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Level
3</b><i>&#8212;</i>Valuations based on unobservable inputs reflecting the Company&#8217;s own assumptions, consistent with reasonably
available assumptions made by other market participants.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Financial
instruments include cash (Level 1), accounts receivable, accounts payable, and debt obligations (Level 3). <span style="background-color: white">Credit
is extended to customers based on an evaluation of a customer&#8217;s financial condition and, generally, collateral is not required.
</span>At December 31, 2021 and December 31, 2020, the fair value of the Company&#8217;s financial instruments approximated their carrying
values. The fair value of the Company&#8217;s revolving credit and term loan approximate its carrying value due to the variable interest
rate.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock"><p id="xdx_842_eus-gaap--NewAccountingPronouncementsPolicyPolicyTextBlock_zNpGcH4N7Ix" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_865_zkuhuOZ0IhCb">Recently
Adopted Accounting Standards</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
December 2019, the FASB issued ASU No. 2019-12, &#8220;Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes,&#8221;
which is intended to simplify various aspects related to accounting for income taxes. ASU 2019-12 removes certain exceptions to the general
principles in Topic 740 and also clarifies and amends existing guidance to improve consistent application. This guidance is effective
for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2020, with early adoption permitted. The
adoption of ASU No. 2019-12 by the Company effective January 1, 2021 did not have a material impact on the Company&#8217;s financial
statements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; background-color: white">In
January 2020, the FASB issued ASU 2020-01, &#8220;Investments - Equity Securities (Topic 321), Investments - Equity Method and Joint
Ventures (Topic 323), and Derivatives and Hedging (Topic 815), clarifying the Interactions between Topic 321, Topic 323, and Topic 815.&#8221;
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">This guidance addresses accounting for the transition
into and out of the equity method and provides clarification of the interaction of rules for equity securities, the equity method of
accounting, and forward contracts and purchase options on certain types of securities. This standard is effective for fiscal years and
interim periods within those fiscal years beginning after December 15, 2020. Early adoption is permitted. The adoption of ASU No. 2020-01
by the Company effective January 1, 2021 did not have a material impact on the Company&#8217;s financial statements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
October 2020, the FASB issued ASU No 2020-10, &#8220;Codification Improvements.&#8221; ASU 2020-10 updates various codification topics
by clarifying or improving disclosure requirements. ASU 2020-10 is effective for public entities for fiscal years beginning after December
15, 2020, with early adoption permitted. The adoption of ASU No. 2020-01 by the Company effective January 1, 2021 did not have a material
impact on the Company&#8217;s financial statements or disclosures.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="PESI:NewAccountingPronouncementsNotYetAdoptedPolicyPolicyTextBlock"><p id="xdx_843_ecustom--NewAccountingPronouncementsNotYetAdoptedPolicyPolicyTextBlock_z4MpRCjRR3Fa" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_863_zWYZdktpazde">Recently
Issued Accounting Standards &#8211; Not Yet Adopted</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
June 2016, the FASB issued ASU No. 2016-13, &#8220;Credit Losses (Topic 326) - Measurement of Credit Losses on Financial Instruments,&#8221;
and various subsequent amendments to the initial guidance (collectively, &#8220;Topic 326&#8221;). Topic 326 introduces an approach,
based on expected losses, to estimate credit losses on certain types of financial instruments and modifies the impairment model for available-for-sale
debt securities. The new approach to estimating credit losses (referred to as the current expected credit losses model) applies to most
financial assets measured at amortized cost and certain other instruments, including trade and other receivables and loans. Entities
are required to apply the standard&#8217;s provisions as a cumulative-effect adjustment to retained earnings as of the beginning of the
first reporting period in which the guidance is adopted. In November 2019, FASB issued ASU 2019-10, &#8220;Financial Instruments &#8211;
Credit Losses (Topic 326), Derivatives and Hedging (Topic 815), and Leases (Topic 842),&#8221; which defers the effective date of ASU
2016-13 for public companies that are considered smaller reporting companies (&#8220;SRC&#8221;) as defined by the Commission to fiscal
years beginning after December 15, 2022, including interim periods within those fiscal years. These ASUs are effective January 1, 2023
for the Company as an SRC. Under new guidance issued by the Commission in March 2020, the Company continues to qualify as a smaller reporting
company but has become an accelerated filer for all filings with the Commission starting with this Form 10-K filing and all subsequent
filings. The Company is currently evaluating the impact of these ASU on its consolidated financial statements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
August 2020, the FASB issued ASU No. 2020-06, &#8220;Debt &#8211; Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives
and Hedging &#8211; Contracts in Entity&#8217;s Own Equity.&#8221; ASU 2020-06 simplifies the accounting for convertible instruments
by removing major separation models and removing certain settlement condition qualifiers for the derivatives scope exception for contracts
in an entity&#8217;s own equity, and simplifies the related diluted net income per share calculation for both Subtopics. ASU 2020-06
is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2023, for the Company as an
SRC. Early adoption is permitted, but no earlier than fiscal years beginning after December 15, 2020, including interim periods within
those fiscal years. The Company is currently evaluating the impact of this ASU on its consolidated financial statements and disclosures.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
May 2021, the FASB issued ASU No. 2021-04, &#8220;Earnings Per Share (Topic 206), Debt-Modifications and Extinguishments (Subtopic 470-50),
Compensation-Stock Compensation (Topic 718), and Derivatives and Hedging-Contracts in Entity&#8217;s Own Equity (Subtopic 815-40): Issuer&#8217;s
Accounting for Certain Modifications or Exchanges of Freestanding Equity-Classified Written Call Options (a consensus of the FASB Emerging
Issues Task Force).&#8221; ASU 2021-04 addresses issuer&#8217;s accounting for certain modifications or exchanges of freestanding equity-classified
written call options. This ASU is effective for all entities, for fiscal years beginning after December 15, 2021, including interim periods
within those fiscal years. Early adoption is permitted. This ASU is effective January 1, 2022 for the Company. The Company does not expect
the adoption of this ASU will have a material impact on its financial statements.</span></p>
<!-- Field: Split-Segment; Name: 001 -->
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    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

</ix:nonNumeric></ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:RevenueFromContractWithCustomerTextBlock"><p id="xdx_80E_eus-gaap--RevenueFromContractWithCustomerTextBlock_zkCUB5Q6CG8b" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
3</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_820_zte3clBDoqU9">REVENUE</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Disaggregation
of Revenue</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:DisaggregationOfRevenueTableTextBlock"><p id="xdx_89E_eus-gaap--DisaggregationOfRevenueTableTextBlock_zo7tYD6gyGXh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
general, the Company&#8217;s business segmentation is aligned according to the nature and economic characteristics of our services and
provides meaningful disaggregation of each business segment&#8217;s results of operations. The following tables present further disaggregation
of our revenues by different categories for our Services and Treatment Segments:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B0_zjtUKy0d2kYk" style="display: none">SCHEDULE OF DISAGGREGATION OF REVENUE</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Revenue by Contract Type</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">(In thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 40%"><span style="font-family: Times New Roman, Times, Serif">Fixed price</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z1kVSmjYu86g" title="Net revenues" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_custom_FixedPriceMember_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">11,236</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember_zUwbot7nqwmi" title="Net revenues" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_custom_FixedPriceMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">44,228</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember_zV51b4LAPyc2" title="Net revenues" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_custom_FixedPriceMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">39,113</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Time and materials</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zgdkj5N9inSl" title="Net revenues" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0851">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zy5XcQewP9I2" title="Net revenues" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_custom_TimeandMaterialsMember_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">27,963</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember_zI3rqz6iOWF5" title="Net revenues" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_custom_TimeandMaterialsMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">27,963</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zjEO3Ockcwqa" title="Net revenues" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0857">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_ziGd7VnYdrd9" title="Net revenues" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_custom_TimeandMaterialsMember_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">66,313</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember_ziAk732hcdi3" title="Net revenues" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_custom_TimeandMaterialsMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">66,313</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zUNGBUS86Sil" title="Net revenues" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_custom_TreatmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">32,992</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zvW07rho2AT2" title="Net revenues" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">39,199</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231_zz73cGLOn094" title="Net revenues" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">72,191</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z3njenhIcUL7" title="Net revenues" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_custom_TreatmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">30,143</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zTGg8MuWRLik" title="Net revenues" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">75,283</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231_zMqR4P9zHvlb" title="Net revenues" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">105,426</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Revenue by generator</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">(In thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Twelve
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    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Twelve
    Months Ended</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Treatment</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Treatment</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Services</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 40%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Domestic government</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zmxZRLHGnTYd" title="Net revenues" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_custom_DomesticGovernmentMember_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">29,013</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zaM3HkIDvO34" title="Net revenues" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_custom_DomesticGovernmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">51,551</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z23weyAIRdbf" title="Net revenues" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_custom_DomesticGovernmentMember_custom_TreatmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">22,795</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zGwUjZbBVlG8" title="Net revenues" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_custom_DomesticGovernmentMember_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">68,237</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zrfsTf5Oiumi" title="Net revenues" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_custom_DomesticGovernmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">91,032</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Domestic commercial</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_ziF47cGe2mNa" title="Net revenues" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_custom_DomesticCommercialMember_custom_TreatmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">9,294</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zcMaW0nG1Xbf" title="Net revenues" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_custom_DomesticCommercialMember_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,412</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticCommercialMember_z48Zu4tqPrC6" title="Net revenues" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_custom_DomesticCommercialMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">10,706</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z92mSFpbmohe" title="Net revenues" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_custom_DomesticCommercialMember_custom_TreatmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">6,933</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zFKCTtsqc0Dc" title="Net revenues" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_custom_DomesticCommercialMember_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,825</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticCommercialMember_zhM0TcKV8qs8" title="Net revenues" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_custom_DomesticCommercialMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">8,758</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Foreign government</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zps7Ll32f344" title="Net revenues" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_custom_ForeignGovernmentMember_custom_TreatmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">577</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98B_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zQ4guH41zCsh" title="Net revenues" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_custom_ForeignGovernmentMember_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">8,684</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zOwYValUHaid" title="Net revenues" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_custom_ForeignGovernmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">9,261</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zhIXqo2dWBHd" title="Net revenues" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_custom_ForeignGovernmentMember_custom_TreatmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">415</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zSpisHgaBsBe" title="Net revenues" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_custom_ForeignGovernmentMember_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">5,135</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zAtmLWc1qcXj" title="Net revenues" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_custom_ForeignGovernmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">5,550</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Foreign commercial</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zkNniQMDA1y6" title="Net revenues" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_custom_ForeignCommercialMember_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">90</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignCommercialMember_zCMIO554af54" title="Net revenues" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_custom_ForeignCommercialMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">673</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zSFC2arx9wng" title="Net revenues" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_custom_ForeignCommercialMember_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">86</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignCommercialMember_zXZsLywb9qlc" title="Net revenues" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_custom_ForeignCommercialMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">86</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zlG9aTmxyOmb" title="Net revenues" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">39,199</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231_zcCaYHniXj3a" title="Net revenues" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">72,191</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zAYd7JBCoB2k" title="Net revenues" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_custom_TreatmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">30,143</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zxLqeS6a7EOa" title="Net revenues" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">75,283</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231_zlfy8wWTDUng" title="Net revenues" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">105,426</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

</ix:nonNumeric><p id="xdx_8A4_zlEsmlMAXTU8" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Contract
Balances</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
timing of revenue recognition, billings, and cash collections results in accounts receivable and unbilled receivables (contract assets).
The Company&#8217;s contract liabilities consist of deferred revenues which represents advance payment from customers in advance of the
completion of our performance obligation.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ContractWithCustomerAssetAndLiabilityTableTextBlock"><p id="xdx_89D_eus-gaap--ContractWithCustomerAssetAndLiabilityTableTextBlock_zQQiUJnA2AAd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table represents changes in our contract assets and contract liabilities balances:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8BD_zkEgi9JLdwna" style="display: none">SCHEDULE OF CONTRACT ASSETS AND LIABILITIES</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Year-to-date</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Year-to-date</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(In thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Change
    ($)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Change
    (%)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Contract assets</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--AccountsReceivableNetCurrent_iI_pn3n3_c20201231_zjlZuefJewib" title="Account receivables, net of allowance" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccountsReceivableNetCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">9,659</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Contract liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Deferred revenue</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--IncreaseDecreaseInContractWithCustomerLiability_pn3n3_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_zAsxse5mjsn9" title="Changes in deferred revenue" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncreaseDecreaseInContractWithCustomerLiability" contextRef="From2021-01-012021-12-31_custom_YearToDateChangesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">966</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98D_ecustom--ChangesInDeferredRevenuePercentage_pid_dp_uPure_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_zYyidq0CDfMk" title="Changes in deferred revenue, percentage" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:ChangesInDeferredRevenuePercentage" contextRef="From2021-01-012021-12-31_custom_YearToDateChangesMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">20.9</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
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</ix:nonNumeric><p id="xdx_8A6_z5FzbAwFgOB1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
decrease in unbilled receivables was primarily within our Services Segment due to invoicing and collection of accounts receivable on
certain large projects which have been completed or are near completion.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">During
the twelve months ended December 31, 2021 and 2020, the Company recognized revenue of $<span id="xdx_902_eus-gaap--ContractWithCustomerLiabilityRevenueRecognized_pp0p0_c20210101__20211231_zSL2JxwP02W7" title="Revenue recognized"><ix:nonFraction name="us-gaap:ContractWithCustomerLiabilityRevenueRecognized" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">7,196,000</ix:nonFraction></span> and $<span id="xdx_90A_eus-gaap--ContractWithCustomerLiabilityRevenueRecognized_pp0p0_c20200101__20201231_zgoF4jmJXU5c" title="Revenue recognized"><ix:nonFraction name="us-gaap:ContractWithCustomerLiabilityRevenueRecognized" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">8,094,000</ix:nonFraction></span>, respectively, related
to untreated waste that was in the Company&#8217;s control as of the beginning of each respective year. Revenue recognized in each period
related to performance obligations satisfied within the respective period.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>


<ix:exclude><!-- Field: Page; Sequence: 54; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->52<!-- Field: /Sequence --></td></tr></table></div>
    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="PESI:LesseeOperatingAndFinanceLeasesTextBlock"><p id="xdx_804_ecustom--LesseeOperatingAndFinanceLeasesTextBlock_zr5KRl6b6gK2" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
4</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_824_zOOitnK5E0Ja">LEASES</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:LeaseCostTableTextBlock"><p id="xdx_893_eus-gaap--LeaseCostTableTextBlock_zcULGICtTLgj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
components of lease cost for the Company&#8217;s leases were as follows (in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8BD_zYxdlLQM1cfc" style="display: none">SCHEDULE OF COMPONENTS OF LEASE COST</span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%">
  <tr style="display: none; font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="2" id="xdx_494_20200101__20201231_zQFQ2OyM714c" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Twelve Months Ended</span></p>
                                                                                <p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">December 31,</span></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Operating Leases:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; width: 60%; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Lease
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OperatingLeaseCost" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">499</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OperatingLeaseCost" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">456</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Finance Leases:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_402_eus-gaap--FinanceLeaseRightOfUseAssetAmortization_pn3n3_maFLzRjv_zOgt2m1OyJC3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Amortization of ROU assets</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FinanceLeaseRightOfUseAssetAmortization" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">220</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FinanceLeaseRightOfUseAssetAmortization" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">220</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_403_eus-gaap--FinanceLeaseInterestExpense_pn3n3_maFLzRjv_z4EPKWTwlzs" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Interest
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FinanceLeaseInterestExpense" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">97</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FinanceLeaseInterestExpense" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">143</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_ecustom--FinanceLease_iT_pn3n3_mtFLzRjv_maLCzrDO_zgh8aJ3sNEz8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;<span style="display: none; font-size: 10pt">Finance
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:FinanceLease" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">317</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:FinanceLease" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">363</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_409_eus-gaap--ShortTermLeaseCost_pn3n3_maLCzrDO_zijg7ZVuxM2g" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Short-term lease rent
    expense</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShortTermLeaseCost" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">13</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShortTermLeaseCost" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">15</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--LeaseCost_iT_pn3n3_mtLCzrDO_zwGcDh5dvlHh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total lease cost</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LeaseCost" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">829</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LeaseCost" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">834</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

</ix:nonNumeric><p id="xdx_8AE_zM36cCi0Z09g" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="PESI:ScheduleOfWeightedAverageLeaseTableTextBlock"><p id="xdx_896_ecustom--ScheduleOfWeightedAverageLeaseTableTextBlock_z5ph4wWbcBxl" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
weighted average remaining lease term and the weighted average discount rate for operating and finance leases at December 31, 2021 were:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B2_zvE0rpbBLzlf" style="display: none">SCHEDULE OF WEIGHTED AVERAGE LEASE</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Operating
    Leases</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Finance
    Leases</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Weighted average remaining lease
    terms (years)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_906_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20211231_zvvsU6eqbNz2" title="Operating leases, weighted average remaining lease terms (years)"><ix:nonNumeric contextRef="AsOf2021-12-31" format="ixt-sec:duryear" name="us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1">6.9</ix:nonNumeric></span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_907_eus-gaap--FinanceLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20211231_zBbcZfIcQvd6" title="Finance leases, weighted average remaining lease terms (years)"><ix:nonNumeric contextRef="AsOf2021-12-31" format="ixt-sec:duryear" name="us-gaap:FinanceLeaseWeightedAverageRemainingLeaseTerm1">4.0</ix:nonNumeric></span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Weighted average discount rate</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_90C_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20211231_z4J14hfGdC5" title="Operating leases, weighted average discount rate"><ix:nonFraction name="us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">7.6</ix:nonFraction></span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_90B_eus-gaap--FinanceLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20211231_zkh1OsCXUWX4" title="Finance leases, weighted average discount rate"><ix:nonFraction name="us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">6.2</ix:nonFraction></span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
weighted average remaining lease term and the weighted average discount rate for operating and finance leases at December 31, 2020 was:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Operating Leases</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Finance Leases</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Weighted average remaining lease
    terms (years)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_902_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20201231_zer5s9vSx4wf" title="Operating leases, weighted average remaining lease terms (years)"><ix:nonNumeric contextRef="AsOf2020-12-31" format="ixt-sec:duryear" name="us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1">8.0</ix:nonNumeric></span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_907_eus-gaap--FinanceLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20201231_zGiXFIC4a5gd" title="Finance leases, weighted average remaining lease terms (years)"><ix:nonNumeric contextRef="AsOf2020-12-31" format="ixt-sec:duryear" name="us-gaap:FinanceLeaseWeightedAverageRemainingLeaseTerm1">3.5</ix:nonNumeric></span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Weighted average discount rate</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_907_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20201231_zD1XbyAj1Cl1" title="Operating leases, weighted average discount rate"><ix:nonFraction name="us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">8.0</ix:nonFraction></span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_903_eus-gaap--FinanceLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20201231_zWyV9RbaaGm3" title="Finance leases, weighted average discount rate"><ix:nonFraction name="us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">7.3</ix:nonFraction></span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  </table>

</ix:nonNumeric><p id="xdx_8AB_zptoRxxnn3q9" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="PESI:OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock"><p id="xdx_898_ecustom--OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock_zGwaM4zyBPk1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table reconciles the undiscounted cash flows for the operating and finance leases at December 31, 2021 to the operating and
finance lease liabilities recorded on the balance sheet (in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B6_zW6Lj4rKrW58" style="display: none">SCHEDULE OF OPERATING AND FINANCE LEASE LIABILITY MATURITY</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Operating
    Leases</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Finance
    Leases</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2022</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_iI_pn3n3_c20211231_z3zAxVgPs7da" title="Operating Leases 2022" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">576</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_iI_pn3n3_c20211231_zaosGGXSQMYf" title="Finance Leases 2022" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">398</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2023</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_iI_pn3n3_c20211231_z2pyED9zP8tf" title="Operating Leases 2023" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">560</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98A_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearTwo_iI_pn3n3_c20211231_zKmmUhJdrXF6" title="Finance Leases 2023" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">314</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2024</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98F_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearThree_iI_pn3n3_c20211231_z2egUjKSWyah" title="Operating Leases 2024" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">419</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearThree_iI_pn3n3_c20211231_z3purjmH9bv6" title="Finance Leases 2024" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">310</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2025</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98D_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearFour_iI_pn3n3_c20211231_ziyTOTY9Exp5" title="Operating Leases 2025" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">327</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearFour_iI_pn3n3_c20211231_zCqeqWbpwI4d" title="Finance Leases 2025" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">299</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2026</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearFive_iI_pn3n3_c20211231_zQay14EEUYb9" title="Operating Leases 2026" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">305</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98B_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearFive_iI_pn3n3_c20211231_z9343JkReote" title="Finance Leases 2026" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">82</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">2027 and thereafter</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_988_eus-gaap--FinanceLeaseLiabilityPaymentsDueAfterYearFive_iI_pn3n3_c20211231_zm8aetqdqmx5" title="2027 and thereafter Finance Leases" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1029">-</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">Total undiscounted lease payments</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_eus-gaap--FinanceLeaseLiabilityPaymentsDue_c20211231_pn3n3" title="Finance Leases Total undiscounted lease payments" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FinanceLeaseLiabilityPaymentsDue" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,403</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Less: Imputed interest</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_iNI_pn3n3_di_c20211231_zz5uKbJVG4le" title="Operating Leases Less: Imputed interest" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">707</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_eus-gaap--FinanceLeaseLiabilityUndiscountedExcessAmount_iNI_pn3n3_di_c20211231_zetjldfTHMsb" title="Finance Leases Less: Imputed interest" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">186</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Present value of lease
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    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--FinanceLeaseLiability_c20211231_pn3n3" title="Finance Leases Present value of lease payments" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FinanceLeaseLiability" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,217</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Current portion of operating lease obligations</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--OperatingLeaseLiabilityCurrent_c20211231_pn3n3" title="Current portion of operating lease obligations" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OperatingLeaseLiabilityCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">406</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Long-term operating lease obligations, less
    current portion</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--OperatingLeaseLiabilityNoncurrent_c20211231_pn3n3" title="Long-term operating lease obligations, less current portion" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OperatingLeaseLiabilityNoncurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,029</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Current portion of finance lease obligations</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--FinanceLeaseLiabilityCurrent_c20211231_pn3n3" title="Current portion of finance lease obligations" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FinanceLeaseLiabilityCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">333</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Long-term finance lease obligations, less current
    portion</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--FinanceLeaseLiabilityNoncurrent_c20211231_pn3n3" title="Long-term finance lease obligations, less current portion" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FinanceLeaseLiabilityNoncurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">884</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

</ix:nonNumeric><p id="xdx_8A4_z67RTZhFl6jh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<ix:exclude><!-- Field: Page; Sequence: 55; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->53<!-- Field: /Sequence --></td></tr></table></div>
    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="PESI:ScheduleOfSupplementalCashFlowAndOtherInformationRelatedToLeasesTableTextBlock"><p id="xdx_89D_ecustom--ScheduleOfSupplementalCashFlowAndOtherInformationRelatedToLeasesTableTextBlock_zCUd8CBC9QYf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Supplemental
cash flow and other information related to our leases were as follows (in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8BB_z4sLRG5LsH28" style="display: none">SCHEDULE OF SUPPLEMENTAL CASH FLOW AND OTHER INFORMATION RELATED TO LEASES</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="display: none; font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_493_20210101__20211231_zBK7sSpcSYu8" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_496_20200101__20201231_zNKV3ACRyRV5" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="padding-bottom: 1pt; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Twelve Months Ended December
    31,</span></td><td style="padding-bottom: 1pt; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Cash paid for amounts included in the measurement of lease liabilities:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--OperatingLeasePayments_pn3n3_zEaui73FcLyb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Operating cash
    flow from operating leases</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OperatingLeasePayments" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">439</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OperatingLeasePayments" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">442</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_400_eus-gaap--FinanceLeaseInterestExpense_pn3n3_zDsEyMYgN9A5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Operating cash flow from
    finance leases</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FinanceLeaseInterestExpense" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">97</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FinanceLeaseInterestExpense" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">143</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40D_eus-gaap--FinanceLeasePrincipalPayments_pn3n3_zmLXmfTVXOrg" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Financing cash flow from
    finance leases</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FinanceLeasePrincipalPayments" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">334</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FinanceLeasePrincipalPayments" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">615</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">ROU assets obtained in exchange for lease obligations
    for:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_406_eus-gaap--RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_pn3n3_zer0UzmrHjq3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Finance liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">577</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">874</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_pn3n3_zDOvJkSBhfW2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Operating liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">491</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1066">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Reduction to ROU assets resulitng from reassessment
    for</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_408_ecustom--ReductionToRightOfUseAssetsForFinanceLeaseLiability_pn3n3_zjy1SlzArhlj" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Finance liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="PESI:ReductionToRightOfUseAssetsForFinanceLeaseLiability" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">364</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1069">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>


</ix:nonNumeric><p id="xdx_8AF_zKRweGwKYHP4" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:IntangibleAssetsDisclosureTextBlock"><p id="xdx_804_eus-gaap--IntangibleAssetsDisclosureTextBlock_zEtbEGWHxLah" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
5</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_82B_zFMCWXfpLyB6">PERMIT
AND OTHER INTANGIBLE ASSETS</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock"><p id="xdx_895_eus-gaap--ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock_zp9XYLNCMGc3" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table summarizes changes in the carrying value of permits. No permit exists at our Services and Medical Segments.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span><span id="xdx_8B0_zo1mWzc3A0Gf" style="display: none">SCHEDULE
OF INTANGIBLE ASSETS</span></span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Permit (amount in thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Treatment</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 78%"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2019</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_ecustom--Permits_iS_pn3n3_c20200101__20201231_zmgvndXZRKQ5" title="Permits, beginning balance" style="font-family: Times New Roman, Times, Serif; width: 18%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:Permits" contextRef="AsOf2019-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">8,790</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="padding-left: 10pt; font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Permit in progress</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_ecustom--PermitInProgress_pn3n3_c20200101__20201231_zgBhfNhRORn3" title="Permits in progress" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:PermitInProgress" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">132</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_ecustom--Permits_iS_pn3n3_c20210101__20211231_zKywHxEslaUg" title="Permits, beginning balance" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:Permits" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">8,922</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="padding-left: 10pt; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Permit renewal</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_ecustom--PermitRenewal_pn3n3_c20210101__20211231_zfTqPOJggB2f" title="Permit renewal" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:PermitRenewal" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">121</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  </table>

</ix:nonNumeric><p id="xdx_8A2_zUdyDmtAICi1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock"><p id="xdx_891_eus-gaap--ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock_zDAHyonv9cQc" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table summarizes information relating to the Company&#8217;s definite-lived intangible assets:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8BD_zmsTkvkafRbe" style="display: none">SCHEDULE
OF DEFINITE LIVED INTANGIBLE ASSETS</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2021</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2020</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Weighted Average<br />
</span>Amortization</td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Gross</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Gross</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Net</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center">Other Intangibles</td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif"> Period</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Carrying</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Accumulated</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Carrying</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Carrying</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Accumulated</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Carrying</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif"> (amount in thousands)</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">(Years)</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amount</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amortization</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amount</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amount</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amortization</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amount</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 38%"><span style="font-family: Times New Roman, Times, Serif">Patent</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_907_eus-gaap--FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_dtY_c20210101__20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_zLgIjmafNb26" title="Weighted Average Amortization Period (Years)"><ix:nonNumeric contextRef="From2021-01-012021-12-31_us-gaap_PatentsMember" format="ixt-sec:duryear" name="us-gaap:FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1">8.3</ix:nonNumeric></span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--FiniteLivedIntangibleAssetsGross_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_pn3n3" title="Gross Carrying Amount" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsGross" contextRef="AsOf2021-12-31_us-gaap_PatentsMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">787</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_pn3n3" title="Accumulated Amortization" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization" contextRef="AsOf2021-12-31_us-gaap_PatentsMember" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">351</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_z1ErxKfaMJcc" title="Net Carrying Amount" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsNet" contextRef="AsOf2021-12-31_us-gaap_PatentsMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">436</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--FiniteLivedIntangibleAssetsGross_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_pn3n3" title="Gross Carrying Amount" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsGross" contextRef="AsOf2020-12-31_us-gaap_PatentsMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">742</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_pn3n3" title="Accumulated Amortization" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization" contextRef="AsOf2020-12-31_us-gaap_PatentsMember" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">334</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_zhU8B5H76Kme" title="Net Carrying Amount" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsNet" contextRef="AsOf2020-12-31_us-gaap_PatentsMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">408</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Software</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_902_eus-gaap--FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_dtY_c20210101__20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_zfJaj5pkxgS6" title="Weighted Average Amortization Period (Years)"><ix:nonNumeric contextRef="From2021-01-012021-12-31_custom_SoftwareMember" format="ixt-sec:duryear" name="us-gaap:FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1">3</ix:nonNumeric></span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_eus-gaap--FiniteLivedIntangibleAssetsGross_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_z6G1u4Zg02p7" title="Gross Carrying Amount" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsGross" contextRef="AsOf2021-12-31_custom_SoftwareMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">592</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_988_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_zAfc5G1VZ3Z7" title="Accumulated Amortization" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization" contextRef="AsOf2021-12-31_custom_SoftwareMember" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">415</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_z2ToihshMog9" title="Net Carrying Amount" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsNet" contextRef="AsOf2021-12-31_custom_SoftwareMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">177</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_986_eus-gaap--FiniteLivedIntangibleAssetsGross_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_pn3n3" title="Gross Carrying Amount" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsGross" contextRef="AsOf2020-12-31_custom_SoftwareMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">418</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_pn3n3" title="Accumulated Amortization" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization" contextRef="AsOf2020-12-31_custom_SoftwareMember" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">411</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_zNXuz1mxhxo9" title="Net Carrying Amount" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsNet" contextRef="AsOf2020-12-31_custom_SoftwareMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">7</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Customer relationships</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_904_eus-gaap--FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_dtY_c20210101__20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_zuoRVRXxT7A5" title="Weighted Average Amortization Period (Years)"><ix:nonNumeric contextRef="From2021-01-012021-12-31_us-gaap_CustomerRelationshipsMember" format="ixt-sec:duryear" name="us-gaap:FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1">10</ix:nonNumeric></span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--FiniteLivedIntangibleAssetsGross_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_pn3n3" title="Gross Carrying Amount" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsGross" contextRef="AsOf2021-12-31_us-gaap_CustomerRelationshipsMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3,370</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_pn3n3" title="Accumulated Amortization" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization" contextRef="AsOf2021-12-31_us-gaap_CustomerRelationshipsMember" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">3,089</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_zg6MOWHdZzWl" title="Net Carrying Amount" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsNet" contextRef="AsOf2021-12-31_us-gaap_CustomerRelationshipsMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">281</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_981_eus-gaap--FiniteLivedIntangibleAssetsGross_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_pn3n3" title="Gross Carrying Amount" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsGross" contextRef="AsOf2020-12-31_us-gaap_CustomerRelationshipsMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3,370</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98A_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_pn3n3" title="Accumulated Amortization" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization" contextRef="AsOf2020-12-31_us-gaap_CustomerRelationshipsMember" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">2,910</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_zPE6qxUhbg9k" title="Net Carrying Amount" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsNet" contextRef="AsOf2020-12-31_us-gaap_CustomerRelationshipsMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">460</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--FiniteLivedIntangibleAssetsGross_c20211231_pn3n3" title="Gross Carrying Amount" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsGross" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">4,749</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20211231_pn3n3" title="Accumulated Amortization" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">3,855</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20211231_zVbPloqLS6Ic" title="Net Carrying Amount" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsNet" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">894</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--FiniteLivedIntangibleAssetsGross_c20201231_pn3n3" title="Gross Carrying Amount" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsGross" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">4,530</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20201231_pn3n3" title="Accumulated Amortization" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">3,655</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20201231_zKvvzdPDNnKg" title="Net Carrying Amount" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsNet" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">875</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

</ix:nonNumeric><p id="xdx_8AE_zO7yZsDQeaq2" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
intangible assets noted above were amortized on a straight-line basis over their useful lives with the exception of customer relationships
which were amortized using an accelerated method.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 20pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock"><p id="xdx_89D_eus-gaap--ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_zYkY4XahMZy5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table summarizes the expected amortization over the next five years for our definite-lived intangible assets:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;<span style="font-size: 10pt"><span id="xdx_8B8_zKPaHTqyQg78" style="display: none">SCHEDULE
OF FINITE LIVED INTANGIBLE ASSETS, FUTURE AMORTIZATION EXPENSE</span></span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 40%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_493_20211231_zBDhF3LjvIq6" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amount</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Year</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">(In
    thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 66%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">2022</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left">$</td><td style="font-family: Times New Roman, Times, Serif; width: 30%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">233</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40B_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">2023</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">192</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">2024</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">61</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_406_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">2025</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">14</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">2026</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">11</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

</ix:nonNumeric><p id="xdx_8A3_zYfLPXhWzuxl" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 130.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amortization
expense recorded for definite-lived intangible assets was approximately $<span id="xdx_902_eus-gaap--AmortizationOfIntangibleAssets_pp0p0_c20210101__20211231_zU93PYHeH8L5" title="Amortization of intangible asset"><ix:nonFraction name="us-gaap:AmortizationOfIntangibleAssets" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">211,000</ix:nonFraction></span> and $<span id="xdx_90C_eus-gaap--AmortizationOfIntangibleAssets_pp0p0_c20200101__20201231_zsYGE8Zrjci5" title="Amortization expense of intangible asset"><ix:nonFraction name="us-gaap:AmortizationOfIntangibleAssets" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">239,000</ix:nonFraction></span>, for the years ended December 31, 2021
and 2020, respectively.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 130.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<ix:exclude><!-- Field: Page; Sequence: 56; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->54<!-- Field: /Sequence --></td></tr></table></div>
    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock"><p id="xdx_80A_eus-gaap--DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_zGDDicfdVBD3" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
6</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_828_zo9ovGsPeL11">CAPITAL
STOCK, STOCK PLANS, WARRANTS AND STOCK BASED COMPENSATION</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Stock
Option Plans</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s 2003 Outside Directors Stock Plan (the &#8220;2003 Plan&#8221;) provides for the grant of Non-Qualified Stock Options
(&#8220;NQSOs&#8221;) to member of the Company&#8217;s Board who is not an employee of the Company or its subsidiaries (&#8220;Eligible
Director&#8221;). On July 20, 2021, the Company&#8217;s stockholders approved an amendment (the &#8220;Amendment&#8221;) to the 2003
Plan which provided the following, among other things: i) authorizes an additional <span id="xdx_90C_eus-gaap--CommonStockSharesAuthorized_iI_c20210720__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember_zOdwU4ezXlv6" title="Common stock, shares authorized"><ix:nonFraction name="us-gaap:CommonStockSharesAuthorized" contextRef="AsOf2021-07-20_custom_TwoThousandThreeStockPlanMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">500,000</ix:nonFraction></span> shares of the Company&#8217;s common stock,
par value $<span id="xdx_90A_eus-gaap--CommonStockParOrStatedValuePerShare_iI_c20210720__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember_zTPF6FKGd78k" title="Common stock, par value"><ix:nonFraction name="us-gaap:CommonStockParOrStatedValuePerShare" contextRef="AsOf2021-07-20_custom_TwoThousandThreeStockPlanMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">0.001</ix:nonFraction></span> per share (the &#8220;Common Stock&#8221;) for issuance under the 2003 Plan, (ii) increases (a) the number of shares
of Common Stock subject to the automatic option grant made to each Eligible Director upon initial election, from <span id="xdx_909_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_c20210720__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember__srt--TitleOfIndividualAxis__srt--DirectorMember__srt--RangeAxis__srt--MinimumMember__srt--StatementScenarioAxis__custom--ElectionMember_zkQwTOG3zzkg" title="Number of share based compensation award"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" contextRef="AsOf2021-07-20_custom_TwoThousandThreeStockPlanMember_srt_DirectorMember_srt_MinimumMember_custom_ElectionMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">6,000</ix:nonFraction></span> to <span id="xdx_90A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_c20210720__srt--TitleOfIndividualAxis__srt--DirectorMember__srt--RangeAxis__srt--MaximumMember__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember__srt--StatementScenarioAxis__custom--ElectionMember_z0ik0I9DabAk" title="Number of share based compensation award"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" contextRef="AsOf2021-07-20_srt_DirectorMember_srt_MaximumMember_custom_TwoThousandThreeStockPlanMember_custom_ElectionMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">20,000</ix:nonFraction></span> shares,
and (b) the number of shares of Common Stock subject to the automatic option grant made to each Eligible Director upon reelection, from
<span id="xdx_900_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_c20210720__srt--TitleOfIndividualAxis__srt--DirectorMember__srt--RangeAxis__srt--MinimumMember__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember__srt--StatementScenarioAxis__custom--ReelectionMember_zOSdcyS51fMa"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" contextRef="AsOf2021-07-20_srt_DirectorMember_srt_MinimumMember_custom_TwoThousandThreeStockPlanMember_custom_ReelectionMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">2,400</ix:nonFraction></span> to <span id="xdx_905_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_c20210720__srt--TitleOfIndividualAxis__srt--DirectorMember__srt--RangeAxis__srt--MaximumMember__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember__srt--StatementScenarioAxis__custom--ReelectionMember_z4D6S6yq4HQ1"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" contextRef="AsOf2021-07-20_srt_DirectorMember_srt_MaximumMember_custom_TwoThousandThreeStockPlanMember_custom_ReelectionMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">10,000</ix:nonFraction></span> shares, (iii) amends the vesting period of options granted under the 2003 Plan, from a <span id="xdx_90C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_dtMxL_c20210718__20210720__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember_zy2XJHcn2ixh" title="Vesting period::XDX::6"><span style="-sec-ix-hidden: xdx2ixbrl1171">six</span></span>-month vesting period to <span id="xdx_904_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_dp_uPure_c20210718__20210720__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember_zgrPyrjB4j06" title="Vesting percentage"><ix:nonFraction name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" contextRef="From2021-07-182021-07-20_custom_TwoThousandThreeStockPlanMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">25</ix:nonFraction>%</span>
per year, beginning on the first anniversary date of the grant, and (iv) provides for acceleration of vesting under certain conditions.
The exercise price of options to be granted under the 2003 Plan continues to equal to the closing trade price on the date prior to the
grant date. <span id="xdx_90A_ecustom--PercentageOfDirectorsFeesDescription_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandThreeOutsideDirectorsStockPlanMember" title="Percentage of directors fees, description"><ix:nonNumeric contextRef="From2021-01-012021-12-31_custom_TwoThousandThreeOutsideDirectorsStockPlanMember" name="PESI:PercentageOfDirectorsFeesDescription">The 2003 Plan continues to provide for the issuance to each Eligible Director a number of shares of the Company&#8217;s Common
Stock in lieu of 65% or 100% (based on option elected by each director) of the fee payable to the Eligible Director for services rendered
as a member of the Board. The number of shares issued is determined at 75% of the market value as defined in the 2003 Plan (the Company
recognizes 100% of the market value of the shares issued).</ix:nonNumeric> </span>The number of shares of the Company&#8217;s Common Stock authorized under
the 2003 Plan is <span id="xdx_90C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_c20211231__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember__us-gaap--PlanNameAxis__custom--TwoThousandThreeOutsideDirectorsStockPlanMember_pdd" title="Number of shares available for issuance"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" contextRef="AsOf2021-12-31_us-gaap_CommonStockMember_custom_TwoThousandThreeOutsideDirectorsStockPlanMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">1,600,000</ix:nonFraction></span>. At December 31, 2021, the 2003 Plan had available for issuance <span id="xdx_905_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_c20211231__us-gaap--PlanNameAxis__custom--TwoThousandThreeOutsideDirectorsStockPlanMember_zFSpSSevw2Mi" title="Shares remaining available for issuance"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" contextRef="AsOf2021-12-31_custom_TwoThousandThreeOutsideDirectorsStockPlanMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">599,854</ix:nonFraction></span> shares.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s 2017 Stock Option Plan (&#8220;2017 Plan&#8221;) authorizes the grant of options to officers and employees of the Company,
including any employee who is also a member of the Board, as well as to consultants of the Company. The 2017 Plan, as amended, authorizes
an aggregate grant of <span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_c20211231__us-gaap--PlanNameAxis__custom--TwoThousandAndSeventeenStockOptionPlanMember__srt--TitleOfIndividualAxis__custom--OfficersAndEmployeesMember_pdd" title="Number of shares available for issuance"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" contextRef="AsOf2021-12-31_custom_TwoThousandAndSeventeenStockOptionPlanMember_custom_OfficersAndEmployeesMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">1,140,000</ix:nonFraction></span> NQSOs and Incentive Stock Options (&#8220;ISOs&#8221;). Consultants of the Company can only be granted
NQSOs. <span id="xdx_90D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandAndSeventeenStockOptionPlanMember_zy8kwjHRfX8k" title="Stock option granted, description"><ix:nonNumeric contextRef="From2021-01-012021-12-31_custom_TwoThousandAndSeventeenStockOptionPlanMember" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription">The term of each stock option granted under the 2017 Plan shall be fixed by the Compensation Committee, but no stock options will
be exercisable more than ten years after the grant date, or in the case of an ISO granted to a 10% stockholder, five years after the
grant date. The exercise price of any ISO granted under the 2017 Plan to an individual who is not a 10% stockholder at the time of the
grant shall not be less than the fair market value of the shares at the time of the grant, and the exercise price of any ISO granted
to a 10% stockholder shall not be less than 110% of the fair market value at the time of grant.</ix:nonNumeric></span> The exercise price of any NQSOs granted
under the plan shall not be less than the fair market value of the shares at the time of grant. At December 31, 2021, the 2017 Plan had
available for issuance <span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_c20211231__us-gaap--PlanNameAxis__custom--TwoThousandAndSeventeenStockOptionPlanMember_pdd" title="Shares remaining available for issuance"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" contextRef="AsOf2021-12-31_custom_TwoThousandAndSeventeenStockOptionPlanMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">344,000</ix:nonFraction></span> shares.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s 2010 Stock Option Plan (&#8220;2010 Plan&#8221;) expired on September 29, 2020; however, an option (ISO) issued under
the 2010 Plan prior to the expiration of the 2010 Plan for the purchase of up to <span id="xdx_90F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20210928__20210929__us-gaap--PlanNameAxis__custom--TwoThousandTenStockOptionPlanMember_pdd" title="Number of stock option shares granted"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" contextRef="From2021-09-282021-09-29_custom_TwoThousandTenStockOptionPlanMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">50,000</ix:nonFraction></span> shares of our Common Stock at $<span id="xdx_90F_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210928__20210929__us-gaap--PlanNameAxis__custom--TwoThousandTenStockOptionPlanMember_pdd" title="Stock options, exercise price"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" contextRef="From2021-09-282021-09-29_custom_TwoThousandTenStockOptionPlanMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">3.97</ix:nonFraction></span> per share
remains in effect until the earlier of the exercise date by the optionee or the maturity date of <span id="xdx_90F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate_dd_c20210928__20210929__us-gaap--PlanNameAxis__custom--TwoThousandTenStockOptionPlanMember_zgJ9wAXaLBF8" title="Stock options, expiration date"><ix:nonNumeric contextRef="From2021-09-282021-09-29_custom_TwoThousandTenStockOptionPlanMember" format="ixt:datemonthdayyearen" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate">May 15, 2022</ix:nonNumeric></span>.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Stock
Options to Employees and Outside Director</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
October 14, 2021, the Company granted ISOs to certain employees for the purchase, under the Company&#8217;s 2017 Plan, of up to an aggregate
<span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20211013__20211014__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember__srt--RangeAxis__srt--MaximumMember_z2vtiJTgWH55"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" contextRef="From2021-10-132021-10-14_custom_TwoThousandSeventeenStockPlanMember_srt_MaximumMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">305,000</ix:nonFraction></span> shares of the Company&#8217;s Common Stock. The total ISOs granted included an ISO for each of the Company&#8217;s executive
officers for the purchase set forth in his respective ISO Agreement, as follows: <span id="xdx_905_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20211012__20211014__srt--TitleOfIndividualAxis__srt--ChiefExecutiveOfficerMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember_z1wjEbukCoQj" title="Shares Options Granted"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" contextRef="From2021-10-122021-10-14_srt_ChiefExecutiveOfficerMember_custom_IncentiveStockOptionAgreementMember_custom_TwoThousandSeventeenStockPlanMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">50,000</ix:nonFraction></span> shares for the CEO; <span id="xdx_900_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20211012__20211014__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember_zxJG53f7fO0e"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" contextRef="From2021-10-122021-10-14_srt_ChiefFinancialOfficerMember_custom_IncentiveStockOptionAgreementMember_custom_TwoThousandSeventeenStockPlanMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">25,000</ix:nonFraction></span> shares for the CFO;
<span id="xdx_909_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20211012__20211014__srt--TitleOfIndividualAxis__custom--EVPOfStrategicInitiativesMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember_zvDcQknlV8qh"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" contextRef="From2021-10-122021-10-14_custom_EVPOfStrategicInitiativesMember_custom_IncentiveStockOptionAgreementMember_custom_TwoThousandSeventeenStockPlanMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">20,000</ix:nonFraction></span> shares for the EVP of Strategic Initiatives; <span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20211012__20211014__srt--TitleOfIndividualAxis__custom--EVPofWasteTreatmentOperationsMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember_zttpVb7Yg7Bb"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" contextRef="From2021-10-122021-10-14_custom_EVPofWasteTreatmentOperationsMember_custom_IncentiveStockOptionAgreementMember_custom_TwoThousandSeventeenStockPlanMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">25,000</ix:nonFraction></span> shares for the EVP of Waste Treatment Operations; and <span id="xdx_90C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20211012__20211014__srt--TitleOfIndividualAxis__custom--EVPofNuclearandTechnicalServicesMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember_zpwRMRO8sVc9"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" contextRef="From2021-10-122021-10-14_custom_EVPofNuclearandTechnicalServicesMember_custom_IncentiveStockOptionAgreementMember_custom_TwoThousandSeventeenStockPlanMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">25,000</ix:nonFraction></span> shares for the
EVP of Nuclear and Technical Services. Each of the ISOs granted has a contractual term of <span id="xdx_901_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dc_c20211012__20211014__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember_zY3se7tbiWc1" title="Stock options granted contractual term"><ix:nonNumeric contextRef="From2021-10-122021-10-14_custom_TwoThousandSeventeenStockPlanMember_custom_IncentiveStockOptionAgreementMember" format="ixt-sec:durwordsen" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1">six years</ix:nonNumeric></span> with <span id="xdx_90F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights_c20211012__20211014__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember_zjGqn6QgYWO1" title="Vesting, description"><ix:nonNumeric contextRef="From2021-10-122021-10-14_custom_TwoThousandSeventeenStockPlanMember_custom_IncentiveStockOptionAgreementMember" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights">one-fifth yearly vesting over
a five-year period</ix:nonNumeric></span>. The exercise price of the ISO is $<span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice_c20211012__20211014__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember_zBqoQodDkWDl" title="Exercise price"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice" contextRef="From2021-10-122021-10-14_custom_TwoThousandSeventeenStockPlanMember_custom_IncentiveStockOptionAgreementMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">7.005</ix:nonFraction></span> per share, which was equal to the fair market value of the Company&#8217;s
Common Stock on the date of grant.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<ix:exclude><!-- Field: Page; Sequence: 57; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->55<!-- Field: /Sequence --></td></tr></table></div>
    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
July 20, 2021, the Company issued a NQSO to each of the Company&#8217;s seven reelected outside directors for the purchase, under the
Company&#8217;s 2003 Plan, of up to <span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20210718__20210720__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_z0JC5ik5ubre" title="Number of stock option shares granted"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" contextRef="From2021-07-182021-07-20_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">10,000</ix:nonFraction></span> shares of the Company&#8217;s Common Stock. Each NQSO granted has for a contractual term of
<span id="xdx_901_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dc_c20210718__20210720__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zEy6vpLULlb2" title="Stock options granted contractual term"><ix:nonNumeric contextRef="From2021-07-182021-07-20_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember" format="ixt-sec:durwordsen" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1">ten years</ix:nonNumeric></span> with <span id="xdx_900_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights_c20210718__20210720__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zN0ocqHqE57c"><ix:nonNumeric contextRef="From2021-07-182021-07-20_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights">one-fourth vesting annually over a four-year period</ix:nonNumeric></span>. The exercise price of the NQSO is $<span id="xdx_90A_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210718__20210720__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zGGIibc6fXi4" title="Stock options, exercise price"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" contextRef="From2021-07-182021-07-20_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">5.93</ix:nonFraction></span> per share, which was equal
to the fair market value of the Company&#8217;s Common Stock the day preceding the grant date, pursuant to the 2003 Plan.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
May 4, 2021, the Company issued a NQSO to a new director elected by the Company&#8217;s Board, for the purchase, under the Company&#8217;s
2003 Plan, of up to <span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20210502__20210504__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_z0YnbueMinOd" title="Number of stock option shares granted"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" contextRef="From2021-05-022021-05-04_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">6,000</ix:nonFraction></span> shares of the Company&#8217;s Common Stock. The NQSO granted has a contractual term of <span id="xdx_904_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dc_c20210502__20210504__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zUHXDSlisQyj" title="Stock options granted contractual term"><ix:nonNumeric contextRef="From2021-05-022021-05-04_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember" format="ixt-sec:durwordsen" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1">ten years</ix:nonNumeric></span> with a vesting
period of <span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_dc_c20210502__20210504__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember_z0qSjcgV7cIb" title="Stock options granted vesting period"><ix:nonNumeric contextRef="From2021-05-022021-05-04_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember" format="ixt-sec:durwordsen" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1">six months</ix:nonNumeric></span>. The exercise price of the NQSO is $<span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210502__20210504__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zqCxUB2sPyid" title="Stock options, exercise price"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" contextRef="From2021-05-022021-05-04_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">7.50</ix:nonFraction></span> per share, which was equal to the fair market value of the Company&#8217;s
Common Stock the day preceding the grant date, pursuant to the 2003 Plan.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
August 10, 2020, the Company issued a NQSO from the Company&#8217;s 2003 Plan to a new director elected by the Company&#8217;s Board
to fill a vacancy on the Board, for the purchase of up to <span id="xdx_909_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20210808__20210810__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zzM8Is0CaSbk" title="Number of stock option shares granted"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" contextRef="From2021-08-082021-08-10_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">6,000</ix:nonFraction></span> shares of the Company&#8217;s Common Stock. The NQSO granted has for
a contractual term of <span id="xdx_903_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dc_c20210808__20210810__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_z8A1u9DtX2Q4" title="Stock options granted contractual term"><ix:nonNumeric contextRef="From2021-08-082021-08-10_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember" format="ixt-sec:durwordsen" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1">ten years</ix:nonNumeric></span> with a vesting period of <span id="xdx_902_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_dc_c20210808__20210810__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zCxSmE8fJCy8" title="Stock options granted vesting period"><ix:nonNumeric contextRef="From2021-08-082021-08-10_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember" format="ixt-sec:durwordsen" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1">six months</ix:nonNumeric></span>. The exercise price of the NQSO is $<span id="xdx_909_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210808__20210810__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zhNyRcZ0h6J2" title="Stock options, exercise price"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" contextRef="From2021-08-082021-08-10_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">7.29</ix:nonFraction></span> per share, which was equal
to the Company&#8217;s closing stock price per share the day preceding the grant date, pursuant to the 2003 Plan.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
July 22, 2020, the Company issued a NQSO to each of the Company&#8217;s five reelected outside directors for the purchase, under the
Company&#8217;s 2003 Plan, of up to <span id="xdx_903_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20210715__20210722__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember_zonDcBrTUw1d" title="Number of stock option shares granted"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" contextRef="From2021-07-152021-07-22_custom_TwoThousandAndThreePlanMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">2,400</ix:nonFraction></span> shares of the Company&#8217;s Common Stock. Each NQSO granted has a contractual term of <span id="xdx_903_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dc_c20210715__20210722__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember_zwMpDs6xkkCa" title="Stock options granted contractual term"><ix:nonNumeric contextRef="From2021-07-152021-07-22_custom_TwoThousandAndThreePlanMember" format="ixt-sec:durwordsen" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1">ten
years</ix:nonNumeric></span> with a vesting period of <span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_dc_c20210715__20210722__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember_zosKGfOaiCNf" title="Stock options granted vesting period"><ix:nonNumeric contextRef="From2021-07-152021-07-22_custom_TwoThousandAndThreePlanMember" format="ixt-sec:durwordsen" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1">six months</ix:nonNumeric></span>. The exercise price of the NQSO is $<span id="xdx_90D_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210715__20210722__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember_zLYLdRqgif93" title="Stock options, exercise price"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" contextRef="From2021-07-152021-07-22_custom_TwoThousandAndThreePlanMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">6.70</ix:nonFraction></span> per share, which was equal to our closing stock price
the day preceding the grant date, pursuant to the 2003 Plan.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
February 4, 2020, the Company issued a NQSO from the Company&#8217;s 2003 Plan to a new director elected by the Company&#8217;s Board
to fill a vacancy on the Board, for the purchase of up to <span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20210202__20210204__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_z0II95UGN58l" title="Number of stock option shares granted"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" contextRef="From2021-02-022021-02-04_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">6,000</ix:nonFraction></span> shares of the Company&#8217;s Common Stock. The NQSO granted has a contractual
term of <span id="xdx_907_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dc_c20210202__20210204__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zyrKP3VFmty4" title="Stock options granted contractual term"><ix:nonNumeric contextRef="From2021-02-022021-02-04_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember" format="ixt-sec:durwordsen" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1">ten years</ix:nonNumeric></span> with a vesting period of <span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_dc_c20210202__20210204__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zM7r0wyUKNE7" title="Stock options granted vesting period"><ix:nonNumeric contextRef="From2021-02-022021-02-04_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember" format="ixt-sec:durwordsen" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1">six months</ix:nonNumeric></span>. The exercise price of the options is $<span id="xdx_90D_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210202__20210204__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zyIwkWoQlQad" title="Stock options, exercise price"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" contextRef="From2021-02-022021-02-04_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">7.00</ix:nonFraction></span> per share, which was equal to the Company&#8217;s
closing stock price per share the day preceding the grant date, pursuant to the 2003 Plan.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">During
2021, the Company issued <span id="xdx_90A_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_pid_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember_zTpRHHzW6yO7" title="Issuance of common stock from cashless exercise"><ix:nonFraction name="us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised" contextRef="From2021-01-012021-12-31_custom_TwoThousandSeventeenStockOptionPlanMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">290</ix:nonFraction></span> shares of its Common Stock from a cashless exercise of an option for the purchase of <span id="xdx_907_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_pp0p0_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember_zoQNaySwDZD5" title="Issuance of common stock from cashless exercise"><ix:nonFraction name="us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised" contextRef="From2021-01-012021-12-31_custom_TwoThousandSeventeenStockOptionPlanMember_us-gaap_CommonStockMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="Shares">500</ix:nonFraction></span> shares of the Company&#8217;s
Common Stock at $<span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember_z9mXMQ8TYfD1" title="Stock options, exercise price"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" contextRef="From2021-01-012021-12-31_custom_TwoThousandSeventeenStockOptionPlanMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">3.15</ix:nonFraction></span> per share. During 2020, the Company issued <span id="xdx_90E_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_c20200101__20201231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember_z9nVYA11jtkf" title="Issuance of common stock from cashless exercise"><ix:nonFraction name="us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised" contextRef="From2020-01-012020-12-31_custom_TwoThousandSeventeenStockOptionPlanMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">2,000</ix:nonFraction></span> shares of its Common Stock resulting from the exercise of options
from the Company&#8217;s 2017 Plan for total proceeds of $<span id="xdx_900_eus-gaap--ProceedsFromStockOptionsExercised_pp0p0_c20200101__20201231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember_z0Gzmtbw5EH7" title="Proceeds from exercise of stock options"><ix:nonFraction name="us-gaap:ProceedsFromStockOptionsExercised" contextRef="From2020-01-012020-12-31_custom_TwoThousandSeventeenStockOptionPlanMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">6,300</ix:nonFraction></span>. Additionally, the Company issued <span id="xdx_908_eus-gaap--StockIssuedDuringPeriodSharesNewIssues_pid_c20200101__20201231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember_zAeh0YYNlKs4" title="Issuance of common stock from cashless exercise"><ix:nonFraction name="us-gaap:StockIssuedDuringPeriodSharesNewIssues" contextRef="From2020-01-012020-12-31_custom_TwoThousandSeventeenStockOptionPlanMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">1,884</ix:nonFraction></span> shares of its Common Stock from
cashless exercises of <span id="xdx_90D_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_c20200101__20201231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember__us-gaap--AwardTypeAxis__custom--FirstSeparateOptionsMember_zf3vzl8qEiZ9" title="Issuance of common stock from cashless exercise"><ix:nonFraction name="us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised" contextRef="From2020-01-012020-12-31_custom_TwoThousandSeventeenStockOptionPlanMember_custom_FirstSeparateOptionsMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">8,000</ix:nonFraction></span> and <span id="xdx_902_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_c20200101__20201231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember__us-gaap--AwardTypeAxis__custom--SecondSeparateOptionsMember_zAKS3GLGlK41" title="Issuance of common stock from cashless exercise"><ix:nonFraction name="us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised" contextRef="From2020-01-012020-12-31_custom_TwoThousandSeventeenStockOptionPlanMember_custom_SecondSeparateOptionsMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">2,500</ix:nonFraction></span> options at $<span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_pid_c20200101__20201231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember__us-gaap--AwardTypeAxis__custom--FirstSeparateOptionsMember_zFdynnMqjvn1" title="Stock options, exercise price"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" contextRef="From2020-01-012020-12-31_custom_TwoThousandSeventeenStockOptionPlanMember_custom_FirstSeparateOptionsMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">3.60</ix:nonFraction></span> per share and $<span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember__us-gaap--AwardTypeAxis__custom--SecondSeparateOptionsMember_zqC77MIvUKqd" title="Stock options, exercise price"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" contextRef="From2021-01-012021-12-31_custom_TwoThousandSeventeenStockOptionPlanMember_custom_SecondSeparateOptionsMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">3.15</ix:nonFraction></span> per share, respectively.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company estimates fair value of stock options using the Black-Scholes valuation model. Assumptions used to estimate the fair value of
stock options granted include the exercise price of the award, the expected term, the expected volatility of the Company&#8217;s stock
over the option&#8217;s expected term, the risk-free interest rate over the option&#8217;s expected term, and the expected annual dividend
yield. The fair value of the options granted during 2020 and 2019 and the related assumptions used in the Black-Scholes option model
used to value the options granted were as follows. No options were granted to employees in 2020:</span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock"><p id="xdx_891_eus-gaap--ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_zEKjcYp6fDf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B0_zWTfLDtnKWU6" style="display: none">SCHEDULE OF SHARE-BASED PAYMENT AWARD, STOCK OPTIONS, VALUATION ASSUMPTIONS</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 60%; margin-left: 0.5in">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Employee Stock</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Option
    Granted</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 71%"><span style="font-family: Times New Roman, Times, Serif">Weighted-average fair value per share</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 25%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice_iI_pid_c20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_ztfP9n5DB5Xc" title="Weighted-average fair value per option"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice" contextRef="AsOf2021-12-31_custom_EmployeeStockOptionGrantedMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">3.51</ix:nonFraction></span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Risk -free interest rate <sup>(1)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_90A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_fKDEp_zKXGcbeBJo33" title="Risk -free interest rate"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" contextRef="From2021-01-012021-12-31_custom_EmployeeStockOptionGrantedMember" id="Fact001269" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">1.05</ix:nonFraction></span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected volatility of stock
    <sup>(2)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_902_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_fKDIp_zUGNJZ4qkdE9" title="Expected volatility of stock"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" contextRef="From2021-01-012021-12-31_custom_EmployeeStockOptionGrantedMember" id="Fact001271" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">58.61</ix:nonFraction></span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Dividend yield</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_pid_dpn_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_zRKqbMT29Ach" title="Dividend yield"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" contextRef="From2021-01-012021-12-31_custom_EmployeeStockOptionGrantedMember" format="ixt-sec:numwordsen" decimals="INF" scale="-2" unitRef="Pure">None</ix:nonFraction></span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected option life <sup>(3)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_902_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20210101__20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_fKDMp_zfY2FwoV5Syl" title="Expected option life"><ix:nonNumeric contextRef="From2021-01-012021-12-31_custom_EmployeeStockOptionGrantedMember" format="ixt-sec:duryear" id="Fact001275" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1">5.0</ix:nonNumeric></span>
                                            years</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 40.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<ix:exclude><!-- Field: Page; Sequence: 58; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->56<!-- Field: /Sequence --></td></tr></table></div>
    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Outside
    Director Stock Options Granted</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 59%"><span style="font-family: Times New Roman, Times, Serif">Weighted-average fair value per share</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 17%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice_iI_pid_c20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_z7eZGwRIvgne" title="Weighted-average fair value per option"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice" contextRef="AsOf2021-12-31_custom_OutsideDirectorStockOptionsGrantedMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">3.9</ix:nonFraction></span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 17%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_90D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice_iI_pid_c20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_zBBTtvZffvdi" title="Weighted-average fair value per option"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice" contextRef="AsOf2020-12-31_custom_OutsideDirectorStockOptionsGrantedMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">4.66</ix:nonFraction></span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span id="xdx_F46_zERZLtKFwozc" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Risk -free interest rate <sup>(1)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MinimumMember_fKDEp_zjwO8C9UhL7g" title="Risk -free interest rate"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" contextRef="From2021-01-012021-12-31_custom_OutsideDirectorStockOptionsGrantedMember_srt_MinimumMember" id="Fact001281" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">1.23</ix:nonFraction>%</span>-<span id="xdx_90E_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MaximumMember_fKDEp_zjOEDBNAlrO3" title="Risk -free interest rate"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" contextRef="From2021-01-012021-12-31_custom_OutsideDirectorStockOptionsGrantedMember_srt_MaximumMember" id="Fact001283" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">1.61</ix:nonFraction></span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left">%</td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MinimumMember_fKDEp_zjDaXnvtXVy2" title="Risk -free interest rate"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" contextRef="From2020-01-012020-12-31_custom_OutsideDirectorStockOptionsGrantedMember_srt_MinimumMember" id="Fact001285" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">0.59</ix:nonFraction>%</span>-<span id="xdx_905_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MaximumMember_fKDEp_zrlF6mKbsZD3" title="Risk -free interest rate"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" contextRef="From2020-01-012020-12-31_custom_OutsideDirectorStockOptionsGrantedMember_srt_MaximumMember" id="Fact001287" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">1.61</ix:nonFraction></span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left">%</td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span id="xdx_F45_zAA7ZGTl3qTf" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected volatility of stock
    <sup>(2)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MinimumMember_fKDIp_zPTcxoOf52jc" title="Expected volatility of stock"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" contextRef="From2021-01-012021-12-31_custom_OutsideDirectorStockOptionsGrantedMember_srt_MinimumMember" id="Fact001289" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">55.84</ix:nonFraction>%</span>-<span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MaximumMember_fKDIp_zthVOsjWTt18" title="Expected volatility of stock"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" contextRef="From2021-01-012021-12-31_custom_OutsideDirectorStockOptionsGrantedMember_srt_MaximumMember" id="Fact001291" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">55.91</ix:nonFraction></span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left">%</td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MinimumMember_fKDIp_zSH5PNM2c34f" title="Expected volatility of stock"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" contextRef="From2020-01-012020-12-31_custom_OutsideDirectorStockOptionsGrantedMember_srt_MinimumMember" id="Fact001293" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">55.83</ix:nonFraction>%</span>-<span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MaximumMember_fKDIp_zUoFpCBpEZx6" title="Expected volatility of stock"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" contextRef="From2020-01-012020-12-31_custom_OutsideDirectorStockOptionsGrantedMember_srt_MaximumMember" id="Fact001295" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">56.68</ix:nonFraction></span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Dividend yield</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_pid_dpn_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_fKDEp_zsuH9keRrwpb" title="Dividend yield"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" contextRef="From2021-01-012021-12-31_custom_OutsideDirectorStockOptionsGrantedMember" id="Fact001297" format="ixt-sec:numwordsen" decimals="INF" scale="-2" unitRef="Pure">None</ix:nonFraction></span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_pid_dpn_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_fKDEp_z5QeRkaNMyAj" title="Dividend yield"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" contextRef="From2020-01-012020-12-31_custom_OutsideDirectorStockOptionsGrantedMember" id="Fact001299" format="ixt-sec:numwordsen" decimals="INF" scale="-2" unitRef="Pure">None</ix:nonFraction></span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span id="xdx_F4B_ze9RORizdqpi" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected option life <sup>(3)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90E_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_fKDMp_z2cJes6XCti7" title="Expected option life"><ix:nonNumeric contextRef="From2021-01-012021-12-31_custom_OutsideDirectorStockOptionsGrantedMember" format="ixt-sec:duryear" id="Fact001301" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1">10.0</ix:nonNumeric></span>
                                            years</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_907_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_fKDMp_zs9rFipQzB5a" title="Expected option life"><ix:nonNumeric contextRef="From2020-01-012020-12-31_custom_OutsideDirectorStockOptionsGrantedMember" format="ixt-sec:duryear" id="Fact001303" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1">10.0</ix:nonNumeric></span>
                                            years</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 4.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" border="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt">
<tr style="vertical-align: top">
  <td style="text-align: justify; padding-left: 10pt; text-indent: -10pt; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F00_zSeoQ8WEQRTb">(1)</sup></span></td>
  <td style="text-align: justify"><span id="xdx_F12_zp4nCr8LvZRb" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote001304" xml:lang="en-US">The risk-free interest rate is based on the U.S. Treasury yield
in effect at the grant date over the expected term of the option.</ix:footnote></span></td></tr>
</table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -49.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" border="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt">
<tr style="vertical-align: top">
  <td style="text-align: left; padding-left: 10pt; text-indent: -10pt; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0B_zJjrsTZPnir5">(2)</sup></span></td>
  <td style="text-align: left"><span id="xdx_F19_zGq0yE3hNQz3" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote001305" xml:lang="en-US">The expected volatility is based on historical volatility from
our traded Common Stock over the expected term of the option.</ix:footnote></span></td></tr>
</table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -49.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" border="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt">
<tr style="vertical-align: top">
  <td style="text-align: left; padding-left: 10pt; text-indent: -10pt; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F06_zSFNCsKyYwKk">(3)</sup></span></td>
  <td style="text-align: left"><span id="xdx_F10_zN4Ftj7FyPe5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote001306" xml:lang="en-US">The expected option life is based on historical exercises and
post-vesting data.</ix:footnote></span></td></tr>
</table>


</ix:nonNumeric><p id="xdx_8AA_z5TnAF4usU8c" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock"><p id="xdx_897_eus-gaap--ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_zCJ8oFjBsVg9" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table summarizes stock-based compensation recognized for fiscal years 2021 and 2020.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B1_zEl2lTgT7RF8" style="display: none">SCHEDULE OF SHARE-BASED COMPENSATION, ALLOCATION OF RECOGNIZED PERIOD COSTS</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 60%; margin-right: auto">
  <tr style="display: none; font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_494_20210101__20211231_zW02Mh2RNRyl" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_495_20200101__20201231_z0mjQJyo4F2b" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Year
    Ended</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_eus-gaap--ShareBasedCompensation_pp0p0_hus-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_z47mQM4mOB35" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Employee Stock Options</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensation" contextRef="From2021-01-012021-12-31_us-gaap_EmployeeStockOptionMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">178,000</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensation" contextRef="From2020-01-012020-12-31_us-gaap_EmployeeStockOptionMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">132,000</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--ShareBasedCompensation_pp0p0_hus-gaap--AwardTypeAxis__custom--DirectorStockOptionsMember_z13cY7sGYwKb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Director Stock Options</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensation" contextRef="From2021-01-012021-12-31_custom_DirectorStockOptionsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">72,000</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensation" contextRef="From2020-01-012020-12-31_custom_DirectorStockOptionsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">104,000</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_eus-gaap--ShareBasedCompensation_pp0p0_zv0aHTbbIFrj" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensation" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">250,000</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensation" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">236,000</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
</table>

</ix:nonNumeric><p id="xdx_8A8_zGJOzjy6JqZ1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 94.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">At
December 31, 2021, the Company has approximately $<span id="xdx_905_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_iI_pp0p0_c20211231__srt--TitleOfIndividualAxis__custom--EmployeeAndDirectorsMember_z0oK5s72SAal" title="Unrecognized compensation cost related to unvested options consultant"><ix:nonFraction name="us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" contextRef="AsOf2021-12-31_custom_EmployeeAndDirectorsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">1,389,000</ix:nonFraction></span> of total unrecognized compensation costs related to unvested options for
employee and directors. The weighted average period over which the unrecognized compensation costs are expected to be recognized is approximately
<span id="xdx_90E_ecustom--WeightedAverageTermForUnrecognizedAndUnvestedOptionToBeRecognized_dtY_c20210101__20211231__srt--TitleOfIndividualAxis__custom--EmployeeAndDirectorsMember_z48Z7nQK8qcf" title="Weighted average term for unrecognized and unvested option to be recognized"><ix:nonNumeric contextRef="From2021-01-012021-12-31_custom_EmployeeAndDirectorsMember" format="ixt-sec:duryear" name="PESI:WeightedAverageTermForUnrecognizedAndUnvestedOptionToBeRecognized">4.3</ix:nonNumeric></span> years.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Stock
Options to Consultant</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company granted a NQSO to Robert Ferguson on July 27, 2017 from the Company&#8217;s 2017 Plan for the purchase of up to <span id="xdx_900_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20170726__20170727__us-gaap--PlanNameAxis__custom--TwoThousandAndSeventeenStockOptionPlanMember__srt--TitleOfIndividualAxis__custom--ConsultantMember_zC425oJcjo85" title="Number of stock option shares granted"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" contextRef="From2017-07-262017-07-27_custom_TwoThousandAndSeventeenStockOptionPlanMember_custom_ConsultantMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">100,000</ix:nonFraction></span> shares
of the Company&#8217;s Common Stock (&#8220;Ferguson Stock Option&#8221;) in connection with his work as a consultant to the Company&#8217;s
Test Bed Initiative (&#8220;TBI&#8221;) at our PFNWR facility at an exercise price of $<span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20170726__20170727__us-gaap--PlanNameAxis__custom--TwoThousandAndSeventeenStockOptionPlanMember__srt--TitleOfIndividualAxis__custom--ConsultantMember_zid2xt2COnFd" title="Stock options, exercise price"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" contextRef="From2017-07-262017-07-27_custom_TwoThousandAndSeventeenStockOptionPlanMember_custom_ConsultantMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">3.65</ix:nonFraction></span> per share, which was the fair market value
of the Company&#8217;s Common Stock on the date of grant. The term of the Ferguson Stock Option is seven years from the grant date. The
vesting of the Ferguson Stock Option is subject to the achievement of three separate milestones by certain dates. The first milestone
was met and the shares under the first milestone were issued to Robert Ferguson in May 2018. The Company had previously entered into
amendments whereby the vesting dates for the second and third milestones for the purchase of up to <span id="xdx_90F_ecustom--OptionsToPurchaseSharesOfCommonStock_c20170726__20170727__us-gaap--AwardTypeAxis__custom--FergusonStockOptionMember__srt--StatementScenarioAxis__custom--SecondMilestoneMember_z0U6RyOmZ1o8" title="Options to purchase shares"><ix:nonFraction name="PESI:OptionsToPurchaseSharesOfCommonStock" contextRef="From2017-07-262017-07-27_custom_FergusonStockOptionMember_custom_SecondMilestoneMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">30,000</ix:nonFraction></span> and <span id="xdx_90F_ecustom--OptionsToPurchaseSharesOfCommonStock_c20170726__20170727__us-gaap--AwardTypeAxis__custom--FergusonStockOptionMember__srt--StatementScenarioAxis__custom--ThirdMilestoneMember_zT4pfkPtmYQd" title="Options to purchase shares"><ix:nonFraction name="PESI:OptionsToPurchaseSharesOfCommonStock" contextRef="From2017-07-262017-07-27_custom_FergusonStockOptionMember_custom_ThirdMilestoneMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">60,000</ix:nonFraction></span> shares of the Company&#8217;s
Common Stock were extended to December 31, 2021 and December 31, 2022, respectively. On January 20, 2022, the Company&#8217;s Compensation
Committee and the Board further amended the vesting dates of the second and third milestones to December 31, 2022 and December 31, 2023,
respectively. This amendment was approved by the Compensation Committee and the Board to take effect December 31, 2021. The Company has
not recognized compensation costs (fair value of approximately $<span id="xdx_902_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_c20211231__srt--TitleOfIndividualAxis__custom--RobertFergusonMember_pp0p0" title="Unrecognized compensation cost related to unvested options consultant"><ix:nonFraction name="us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" contextRef="AsOf2021-12-31_custom_RobertFergusonMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">289,000</ix:nonFraction></span> at December 31, 2021) for the remaining <span id="xdx_909_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_c20211231__srt--TitleOfIndividualAxis__custom--RobertFergusonMember_pdd" title="Remaining stock option"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" contextRef="AsOf2021-12-31_custom_RobertFergusonMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">90,000</ix:nonFraction></span> Ferguson Stock
Option under the remaining two milestones since achievement of the performance obligation under each of the two remaining milestones
is uncertain at December 31, 2021. All other terms of the Ferguson Stock Option remain unchanged.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<ix:exclude><!-- Field: Page; Sequence: 59; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->57<!-- Field: /Sequence --></td></tr></table></div>
    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Summary
of Stock Option Plans</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ScheduleOfStockOptionsRollForwardTableTextBlock"><p id="xdx_899_eus-gaap--ScheduleOfStockOptionsRollForwardTableTextBlock_zL1m3b8mu78k" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
summary of the Company&#8217;s total plans as of December 31, 2021 and 2020, and changes during the period then ended are presented as
follows:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8BA_zHy05Sn8qpYa" style="display: none">SCHEDULE OF STOCK OPTIONS ROLL FORWARD</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Shares</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Weighted
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Weighted
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                                            Intrinsic</span></p>
                                                                               <p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Value
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 40%"><span style="font-family: Times New Roman, Times, Serif">Options outstanding January 1, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iS_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zmqpxNeI0r9c" title="Weighted Average Exercise Price Options Outstanding Beginning" style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" contextRef="AsOf2020-12-31_us-gaap_StockOptionMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">3.87</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Granted</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Exercised</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_iN_pid_di_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zy0fkmtS4QTh" title="Shares Options Exercised" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised" contextRef="From2021-01-012021-12-31_us-gaap_StockOptionMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">500</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zVyJBsyIp6z8" title="Weighted Average Exercise Price Options Exercised" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" contextRef="From2021-01-012021-12-31_us-gaap_StockOptionMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">3.15</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_pp0p0_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQp_zL7xiyv7FSAh" title="Aggregate Intrinsic Value Options Exercised" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" contextRef="From2021-01-012021-12-31_us-gaap_StockOptionMember" id="Fact001349" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">2,175</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Forfeited/expired</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_iN_pid_di_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zh0L50Lc305f" title="Shares Options Forfeited/expired" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" contextRef="From2021-01-012021-12-31_us-gaap_StockOptionMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">19,500</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_ztnTiALJZOi2" title="Weighted Average Exercise Price Options Forfeited/expired" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" contextRef="From2021-01-012021-12-31_us-gaap_StockOptionMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">6.75</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Options outstanding end
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    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iE_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zEzDJgPjzci5" title="Shares Options Outstanding Ending" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span id="xdx_F2E_z3EwwXDOmmhl" style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" contextRef="AsOf2021-12-31_us-gaap_StockOptionMember" id="Fact001355" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">1,019,400</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iE_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zUz9BAFaEY8" title="Weighted Average Exercise Price Options Outstanding Ending" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" contextRef="AsOf2021-12-31_us-gaap_StockOptionMember" id="Fact001357" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">4.91</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_901_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_dtY_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zTMQryDUwG7g" title="Weighted Average Remaining Contractual Term (years) Outstanding"><ix:nonNumeric contextRef="From2021-01-012021-12-31_us-gaap_StockOptionMember" format="ixt-sec:duryear" id="Fact001359" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2">4.0</ix:nonNumeric></span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_iI_pp0p0_c20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQpKDEp_zhOpRoEJyob6" title="Aggregate Intrinsic Value Options Outstanding" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" contextRef="AsOf2021-12-31_us-gaap_StockOptionMember" id="Fact001361" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">1,669,687</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Options exercisable at
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_iI_pid_c20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zLmtSqUgADNl" title="Weighted Average Exercise Price Options Exercisable" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" contextRef="AsOf2021-12-31_us-gaap_StockOptionMember" id="Fact001365" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">3.95</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_909_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_dtY_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zoAfSipA6aEi" title="Weighted Average Remaining Contractual Term (years) Exercisable"><ix:nonNumeric contextRef="From2021-01-012021-12-31_us-gaap_StockOptionMember" format="ixt-sec:duryear" id="Fact001367" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1">2.7</ix:nonNumeric></span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_iI_pp0p0_c20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQpKDEp_znE7zeyLP9Yl" title="Aggregate Intrinsic Value Options Exercisable" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" contextRef="AsOf2021-12-31_us-gaap_StockOptionMember" id="Fact001369" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">1,064,432</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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                                                                               <p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Value
                                            <sup>(4)</sup></span></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; width: 40%; padding-left: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Options outstanding January
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    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iS_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zIPxXVHqXfJ7" title="Weighted Average Exercise Price Options Outstanding Beginning" style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" contextRef="AsOf2019-12-31_us-gaap_StockOptionMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">3.84</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Granted</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zdU3w2LbNF35" title="Shares Options Granted" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" contextRef="From2020-01-012020-12-31_us-gaap_StockOptionMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">24,000</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zkh7ZxLz4AFh" title="Weighted Average Exercise Price Options Granted" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" contextRef="From2020-01-012020-12-31_us-gaap_StockOptionMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">6.92</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Exercised</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_iN_pid_di_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zCpbeaObZOg4" title="Shares Options Exercised" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised" contextRef="From2020-01-012020-12-31_us-gaap_StockOptionMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">12,500</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_z6O1YEmlQHo2" title="Weighted Average Exercise Price Options Exercised" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" contextRef="From2020-01-012020-12-31_us-gaap_StockOptionMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">3.47</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_pp0d_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQp_zLCU7QOglEsi" title="Aggregate Intrinsic Value Options Exercised" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" contextRef="From2020-01-012020-12-31_us-gaap_StockOptionMember" id="Fact001383" format="ixt:numdotdecimal" decimals="0" unitRef="USD">16,060</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; padding-left: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Forfeited/expired</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_iN_pid_di_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zADwWMYd8yHk" title="Shares Options Forfeited/expired" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" contextRef="From2020-01-012020-12-31_us-gaap_StockOptionMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">34,400</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_z6IQwBfutgd9" title="Weighted Average Exercise Price Options Forfeited/expired" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" contextRef="From2020-01-012020-12-31_us-gaap_StockOptionMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">5.52</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; padding-left: 1.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Options
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    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iE_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDIp_zVH4SvzmNrI6" title="Shares Options Outstanding Ending" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span id="xdx_F2C_zm85sdRjKiT2" style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" contextRef="AsOf2020-12-31_us-gaap_StockOptionMember" id="Fact001389" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">658,400</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iE_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDIp_z1cNWm1iuKD9" title="Weighted Average Exercise Price Options Outstanding Ending" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" contextRef="AsOf2020-12-31_us-gaap_StockOptionMember" id="Fact001391" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">3.87</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_90B_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_dtY_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDIp_zjGLWhU1JkD4" title="Weighted Average Remaining Contractual Term (years) Outstanding"><ix:nonNumeric contextRef="From2020-01-012020-12-31_us-gaap_StockOptionMember" format="ixt-sec:duryear" id="Fact001393" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2">3.5</ix:nonNumeric></span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_iI_pp0p0_c20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQpKDIp_zeOBDNcWgHJe" title="Aggregate Intrinsic Value Options Outstanding" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" contextRef="AsOf2020-12-31_us-gaap_StockOptionMember" id="Fact001395" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">1,426,143</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; padding-left: 1.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Options
    exercisable at December 31, 2020<sup>(3)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_iI_pid_c20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDMp_zCYFvFJtrid6" title="Shares Options Exercisable" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span id="xdx_F24_zVruLGAWslCh" style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" contextRef="AsOf2020-12-31_us-gaap_StockOptionMember" id="Fact001397" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">356,400</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_iI_pid_c20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDMp_zHDirnWD3Vqi" title="Weighted Average Exercise Price Options Exercisable" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" contextRef="AsOf2020-12-31_us-gaap_StockOptionMember" id="Fact001399" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">3.99</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_906_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_dtY_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDMp_zcCSotRAiIfl" title="Weighted Average Remaining Contractual Term (years) Exercisable"><ix:nonNumeric contextRef="From2020-01-012020-12-31_us-gaap_StockOptionMember" format="ixt-sec:duryear" id="Fact001401" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1">3.3</ix:nonNumeric></span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_iI_pp0p0_c20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQpKDIp_zCyTN04BGRve" title="Aggregate Intrinsic Value Options Exercisable" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" contextRef="AsOf2020-12-31_us-gaap_StockOptionMember" id="Fact001403" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">732,163</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>


<p style="margin: 0; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<table cellpadding="0" cellspacing="0" border="0" style="width: 100%; font-family: Times New Roman, Times, Serif">
<tr style="vertical-align: top">
  <td style="width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F08_zz9BbCB6lkJk">(1)</sup></span></td>
  <td><span id="xdx_F19_zDRJ3QYiCCIk" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote001404" xml:lang="en-US">Options with exercise prices ranging from $<span id="xdx_90F_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share lower limit" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" contextRef="From2021-01-012021-12-31_custom_StockOptionOutstandingMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">2.79</ix:nonFraction></span> to $<span id="xdx_901_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share upper limit" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" contextRef="From2021-01-012021-12-31_custom_StockOptionOutstandingMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">7.50</ix:nonFraction></span></ix:footnote></span></td></tr>
</table>


<table cellpadding="0" cellspacing="0" border="0" style="width: 100%; font-family: Times New Roman, Times, Serif">
<tr style="vertical-align: top">
  <td style="width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0E_zHczYqkZFGSj">(2)</sup></span></td>
  <td><span id="xdx_F19_zPGJNml5oxE5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote001409" xml:lang="en-US">Options with exercise prices ranging from $<span id="xdx_90A_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionExercisableMember_pdd" title="Stock option exercise price per share lower limit" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" contextRef="From2021-01-012021-12-31_custom_StockOptionExercisableMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">2.79</ix:nonFraction></span> to $<span id="xdx_907_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionExercisableMember_pdd" title="Stock option exercise price per share upper limit" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" contextRef="From2021-01-012021-12-31_custom_StockOptionExercisableMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">7.29</ix:nonFraction></span></ix:footnote></span></td></tr>
</table>


<table cellpadding="0" cellspacing="0" border="0" style="width: 100%; font-family: Times New Roman, Times, Serif">
<tr style="vertical-align: top">
  <td style="width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F04_zNVlKmbaS0Sf">(3)</sup></span></td>
  <td><span id="xdx_F13_zBIGVxZsK5A" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote001414" xml:lang="en-US">Options with exercise prices ranging from $<span id="xdx_90D_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_c20200101__20201231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share lower limit" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" contextRef="From2020-01-012020-12-31_custom_StockOptionOutstandingMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">2.79</ix:nonFraction></span> to $<span id="xdx_90E_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_c20200101__20201231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share upper limit" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" contextRef="From2020-01-012020-12-31_custom_StockOptionOutstandingMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">7.05</ix:nonFraction></span></ix:footnote></span></td></tr>
</table>


<table cellpadding="0" cellspacing="0" border="0" style="width: 100%; font-family: Times New Roman, Times, Serif">
<tr style="vertical-align: top">
  <td style="text-align: justify; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0B_z5T1y4vKpTd">(4)</sup></span></td>
  <td style="text-align: justify"><span id="xdx_F16_zVTbHBEiWVY6" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote001419" xml:lang="en-US">The intrinsic value of a stock option is the amount by which
the market value of the underlying stock exceeds the exercise price </ix:footnote></span></td></tr>
</table>



</ix:nonNumeric><p id="xdx_8AA_zHiTMGe6nN0j" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="PESI:ScheduleOfNonVestedOptionsTableTextBlock"><p id="xdx_899_ecustom--ScheduleOfNonVestedOptionsTableTextBlock_zopEghZeDt7a" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
summary of the Company&#8217;s nonvested options as of December 31, 2021 and changes during the period then ended are presented as follows:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8BA_zNkGpRh9Fuwl" style="display: none">SCHEDULE OF NON VESTED OPTIONS</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 80%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Weighted Average</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Grant-Date</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Shares</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Fair
    Value</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%"><span style="font-family: Times New Roman, Times, Serif">Non-vested options January 1, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_iS_pid_c20210101__20211231_zQYnGr52c0bl" title="Shares non vested options, beginning" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">302,000</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_iS_pid_c20210101__20211231_z4oxn7GXA0Lk" title="Weighted average grant date fair value non vested options, beginning" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">1.94</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Granted</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20210101__20211231_zpMg959h6h82" title="Shares non vested options, granted" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">381,000</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_pid_c20210101__20211231_zlplsmfZT4Gj" title="Weighted average grant date fair value non vested options, granted" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">3.59</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_iN_pid_di_c20210101__20211231_z16JqleBdI8l" title="Shares non vested options, vested" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">100,500</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_pid_c20210101__20211231_zm6k7cbPNFB6" title="Weighted average grant date fair value non vested options, Vested" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">2.44</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue_pid_c20210101__20211231_ztDjmWn7duK1" title="Weighted average grant date fair value non vested options, forfeited" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">1.42</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Non-vested options at December 31, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_iE_pid_c20210101__20211231_z7a5mFBkfCbd" title="Shares non vested options, ending" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">581,000</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_iE_pid_c20210101__20211231_zvMvpP3qSkw8" title="Weighted average grant date fair value non vested options, ending" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">3.13</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

</ix:nonNumeric><p id="xdx_8A8_zPs4Np8arjhc" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Warrant</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
connection with a $<span id="xdx_90F_eus-gaap--LoansPayable_iI_pp0p0_c20190402__srt--TitleOfIndividualAxis__custom--RobertFergusonMember_zKiexIvDuHB4" title="Loans payable"><ix:nonFraction name="us-gaap:LoansPayable" contextRef="AsOf2019-04-02_custom_RobertFergusonMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">2,500,000</ix:nonFraction></span> loan that the Company executed April 1, 2019 with Mr. Robert Ferguson, the Company issued a Warrant to Mr.
Ferguson for the purchase of up to <span id="xdx_903_eus-gaap--ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_iI_c20190402__srt--TitleOfIndividualAxis__custom--RobertFergusonMember_zw7I8VghDYH7" title="Warrant to purchase"><ix:nonFraction name="us-gaap:ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" contextRef="AsOf2019-04-02_custom_RobertFergusonMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">60,000</ix:nonFraction></span> shares of our Common Stock at an exercise price of $<span id="xdx_90E_eus-gaap--ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_iI_c20190402__srt--TitleOfIndividualAxis__custom--RobertFergusonMember_zFG3YuuBUIpb" title="Warrants exercise price"><ix:nonFraction name="us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" contextRef="AsOf2019-04-02_custom_RobertFergusonMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">3.51</ix:nonFraction></span> per share. <span id="xdx_908_ecustom--WarrantExercisableDescription_c20190330__20190402__srt--TitleOfIndividualAxis__custom--RobertFergusonMember_zZK9RXdpMymg" title="Warrant exercisable, description"><ix:nonNumeric contextRef="From2019-03-302019-04-02_custom_RobertFergusonMember" name="PESI:WarrantExercisableDescription">The Warrant is exercisable
six months from April 1, 2019 and expires on April 1, 2024 and remains outstanding at December 31, 2021. The loan was paid-in-full by
the Company in December 2020.</ix:nonNumeric></span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Common
Stock Issued for Services</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company issued a total of <span id="xdx_908_eus-gaap--StockIssuedDuringPeriodSharesIssuedForServices_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandThreeOutsideDirectorsStockOptionPlanMember__us-gaap--StatementClassOfStockAxis__us-gaap--CommonStockMember_zEvDxXcpCjw" title="Stock issued during period for services, shares"><ix:nonFraction name="us-gaap:StockIssuedDuringPeriodSharesIssuedForServices" contextRef="From2021-01-012021-12-31_custom_TwoThousandThreeOutsideDirectorsStockOptionPlanMember_us-gaap_CommonStockMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">60,723</ix:nonFraction></span> and <span id="xdx_900_eus-gaap--StockIssuedDuringPeriodSharesIssuedForServices_c20200101__20201231__us-gaap--PlanNameAxis__custom--TwoThousandThreeOutsideDirectorsStockOptionPlanMember__us-gaap--StatementClassOfStockAxis__us-gaap--CommonStockMember_z5v1mfqzVxlf" title="Stock issued during period for services, shares"><ix:nonFraction name="us-gaap:StockIssuedDuringPeriodSharesIssuedForServices" contextRef="From2020-01-012020-12-31_custom_TwoThousandThreeOutsideDirectorsStockOptionPlanMember_us-gaap_CommonStockMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">34,135</ix:nonFraction></span> shares of our Common Stock in 2021 and 2020, respectively, under our 2003 Plan to our outside
directors as compensation for serving on our Board. <span id="xdx_908_ecustom--PercentageOfDirectorsFeesDescription_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandThreeOutsideDirectorsStockOptionPlanMember" title="Percentage of directors fees, description"><ix:nonNumeric contextRef="From2021-01-012021-12-31_custom_TwoThousandThreeOutsideDirectorsStockOptionPlanMember" name="PESI:PercentageOfDirectorsFeesDescription">As a member of the Board, each director elects to receive either 65% or 100% of the
director&#8217;s fee in shares of our Common Stock. The number of shares received is calculated based on 75% of the fair market value
of our Common Stock determined on the business day immediately preceding the date that the quarterly fee is due.</ix:nonNumeric></span> The balance of each
director&#8217;s fee, if any, is payable in cash. The Company recorded approximately $<span id="xdx_902_eus-gaap--AllocatedShareBasedCompensationExpense_pp0p0_c20210101__20211231__us-gaap--NatureOfExpenseAxis__custom--PortionOfDirectorFeeEarnedInCommonStockMember__us-gaap--PlanNameAxis__custom--The2003OutsideDirectorsStockPlanMember_zbmhE2p9igw5" title="Allocated share-based compensation expense"><ix:nonFraction name="us-gaap:AllocatedShareBasedCompensationExpense" contextRef="From2021-01-012021-12-31_custom_PortionOfDirectorFeeEarnedInCommonStockMember_custom_The2003OutsideDirectorsStockPlanMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">467,000</ix:nonFraction></span> and $<span id="xdx_90A_eus-gaap--AllocatedShareBasedCompensationExpense_c20200101__20201231__us-gaap--NatureOfExpenseAxis__custom--PortionOfDirectorFeeEarnedInCommonStockMember__us-gaap--PlanNameAxis__custom--The2003OutsideDirectorsStockPlanMember_pp0p0" title="Allocated share-based compensation expense"><ix:nonFraction name="us-gaap:AllocatedShareBasedCompensationExpense" contextRef="From2020-01-012020-12-31_custom_PortionOfDirectorFeeEarnedInCommonStockMember_custom_The2003OutsideDirectorsStockPlanMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">250,000</ix:nonFraction></span> in compensation expense (included
in SG&amp;A expenses) for the twelve months ended December 31, 2021 and 2020, respectively, for the portion of director fees earned in
the Company&#8217;s Common Stock.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<ix:exclude><!-- Field: Page; Sequence: 60; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->58<!-- Field: /Sequence --></td></tr></table></div>
    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Sale
of Common Stock</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
September 30, 2021, the Company entered into subscription agreements with certain institutional and retail investors in a registered
direct offering, for the sale and issuance of <span id="xdx_906_eus-gaap--SaleOfStockNumberOfSharesIssuedInTransaction_c20210928__20210930__us-gaap--TypeOfArrangementAxis__custom--SubscriptionAgreementsMember_zy6f974j2Bbc" title="Number of sale shares issuance"><ix:nonFraction name="us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction" contextRef="From2021-09-282021-09-30_custom_SubscriptionAgreementsMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">1,000,000</ix:nonFraction></span> shares of the Company&#8217;s Common Stock (See &#8220;Note 7 &#8211; Common
Stock Subscription Agreement&#8221; for a discussion of the issuance of the shares from this direct offering).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; text-align: left; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Shares
Reserved</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">At
December 31, 2021, the Company has reserved approximately <span id="xdx_907_eus-gaap--CommonStockCapitalSharesReservedForFutureIssuance_iI_c20211231__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember_z85bjbIGJqvb" title="Number of common shares reserved for future issuance"><ix:nonFraction name="us-gaap:CommonStockCapitalSharesReservedForFutureIssuance" contextRef="AsOf2021-12-31_us-gaap_CommonStockMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">1,019,400</ix:nonFraction></span> shares of our Common Stock for future issuance under all of the option
arrangements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:StockholdersEquityNoteDisclosureTextBlock"><p id="xdx_809_eus-gaap--StockholdersEquityNoteDisclosureTextBlock_zfZlutUQc6Md" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
7</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_829_zWHWzpDF5Xoc">COMMON
STOCK SUBSCRIPTION AGREEMENT</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
September 30, 2021, the Company entered into subscription agreements (the &#8220;Subscription Agreements&#8221;) with certain institutional
and retail investors (the &#8220;Purchasers&#8221;), pursuant to which the Company agreed to sell and issue, in a registered direct offering,
an aggregate of <span id="xdx_90D_eus-gaap--SaleOfStockNumberOfSharesIssuedInTransaction_c20210928__20210930__us-gaap--TypeOfArrangementAxis__custom--SubscriptionAgreementsMember_zZ7uEnhuZdYf" title="Shares issued, shares"><ix:nonFraction name="us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction" contextRef="From2021-09-282021-09-30_custom_SubscriptionAgreementsMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">1,000,000</ix:nonFraction></span> shares (the &#8220;Shares&#8221;) of our Common Stock, at a negotiated purchase price per share of $<span id="xdx_909_eus-gaap--SaleOfStockPricePerShare_iI_c20210930__us-gaap--TypeOfArrangementAxis__custom--SubscriptionAgreementsMember_zh8vBBioJIkj" title="Purchase price per share"><ix:nonFraction name="us-gaap:SaleOfStockPricePerShare" contextRef="AsOf2021-09-30_custom_SubscriptionAgreementsMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">6.20</ix:nonFraction></span> (the
&#8220;Shares&#8221;), for aggregate gross proceeds to us of approximately $<span id="xdx_900_eus-gaap--ProceedsFromIssuanceOfCommonStock_c20210928__20210930__us-gaap--TypeOfArrangementAxis__custom--SubscriptionAgreementsMember_zIaxDokDdUl1" title="Proceeds issuance common stock"><ix:nonFraction name="us-gaap:ProceedsFromIssuanceOfCommonStock" contextRef="From2021-09-282021-09-30_custom_SubscriptionAgreementsMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">6,200,000</ix:nonFraction></span>. The offering price per share was negotiated based
on the average closing price of our Common Stock as quoted on Nasdaq over the three-week period immediately preceding the date of the
Subscription Agreements, less a five percent discount.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Shares were offered and sold by the Company through a prospectus supplement pursuant to the Company&#8217;s &#8220;shelf&#8221; registration
statement on Form S-3, which was previously filed with the Commission on May 13, 2019 and subsequently declared effective on May 22,
2019 (the &#8220;Registration Statement&#8221;).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Wellington
Shields &amp; Co., LLC (&#8220;Wellington&#8221;) served as the exclusive placement agent in connection with the Offering, pursuant to
a placement agency agreement dated as of September 23, 2021 (the &#8220;Placement Agency Agreement&#8221;), between the Company and Wellington.
The Company paid Wellington a cash fee of <span id="xdx_90C_ecustom--CashFee_c20210922__20210923__us-gaap--TypeOfArrangementAxis__custom--PlacementAgencyAgreementMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--WellingtonShieldsandCoMember_zhxtm1i7vOk7" title="Cash fee"><ix:nonFraction name="PESI:CashFee" contextRef="From2021-09-222021-09-23_custom_PlacementAgencyAgreementMember_custom_WellingtonShieldsandCoMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">6.00</ix:nonFraction>%</span> of the aggregate gross proceeds in the Offering which totaled $<span id="xdx_908_ecustom--PaymentsToOffering_c20210922__20210923__us-gaap--TypeOfArrangementAxis__custom--PlacementAgencyAgreementMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--WellingtonShieldsandCoMember_zNmnnQ8qXj09" title="Payment for offering"><ix:nonFraction name="PESI:PaymentsToOffering" contextRef="From2021-09-222021-09-23_custom_PlacementAgencyAgreementMember_custom_WellingtonShieldsandCoMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">372,000</ix:nonFraction></span>. The Company also
reimbursed Wellington for certain expenses in connection with the Offering in an aggregate amount not to exceed $<span id="xdx_906_ecustom--OfferingCostThreshold_c20210922__20210923__us-gaap--TypeOfArrangementAxis__custom--PlacementAgencyAgreementMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--WellingtonShieldsandCoMember_z5dAac7ISqie" title="Offering cost"><ix:nonFraction name="PESI:OfferingCostThreshold" contextRef="From2021-09-222021-09-23_custom_PlacementAgencyAgreementMember_custom_WellingtonShieldsandCoMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">50,000</ix:nonFraction></span>. After deducting
costs incurred directly in connection with the offering which were recorded as deduction to equity, net proceeds to the Company totaled
approximately $<span id="xdx_90F_eus-gaap--ProceedsFromIssuanceOfPrivatePlacement_c20210922__20210923__us-gaap--TypeOfArrangementAxis__custom--PlacementAgencyAgreementMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--WellingtonShieldsandCoMember_zAAhd6WLZUce" title="Proceeds from offering"><ix:nonFraction name="us-gaap:ProceedsFromIssuanceOfPrivatePlacement" contextRef="From2021-09-222021-09-23_custom_PlacementAgencyAgreementMember_custom_WellingtonShieldsandCoMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">5,704,000</ix:nonFraction></span>. As of December 31, 2021, approximately $<span id="xdx_909_ecustom--OfferingCostPaid_pid_c20210101__20211231__us-gaap--TypeOfArrangementAxis__custom--PlacementAgencyAgreementMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--WellingtonShieldsandCoMember_zBcrMClj2Z7h" title="Offering cost paid"><ix:nonFraction name="PESI:OfferingCostPaid" contextRef="From2021-01-012021-12-31_custom_PlacementAgencyAgreementMember_custom_WellingtonShieldsandCoMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">435,000</ix:nonFraction></span> of the $<span id="xdx_90D_eus-gaap--DeferredOfferingCosts_iI_pid_c20211231__us-gaap--TypeOfArrangementAxis__custom--PlacementAgencyAgreementMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--WellingtonShieldsandCoMember_zWJncA41AGtf" title="Offering costs"><ix:nonFraction name="us-gaap:DeferredOfferingCosts" contextRef="AsOf2021-12-31_custom_PlacementAgencyAgreementMember_custom_WellingtonShieldsandCoMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">496,000</ix:nonFraction></span> in incurred offering costs were paid.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company plans to use the aggregate net proceeds from the offering primarily for working capital and general corporate purposes, including
for certain facility expansion and upgrades, with the use of such proceeds subject to changes, based on the judgment of management.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>


<ix:exclude><!-- Field: Page; Sequence: 61; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->59<!-- Field: /Sequence --></td></tr></table></div>
    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:EarningsPerShareTextBlock"><p id="xdx_807_eus-gaap--EarningsPerShareTextBlock_zU4Bp8Kvb9C" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
8</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_828_zT6XwKRGFWM8">INCOME
(LOSS) PER SHARE</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"><p id="xdx_89F_eus-gaap--ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_zJiLgU2Ygzuh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table reconciles the income (loss) and average share amounts used to compute both basic and diluted income per share:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B5_zrsniPTMZo6k" style="display: none">SCHEDULE OF EARNINGS PER SHARE, BASIC AND DILUTED</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="display: none; font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left">&#160;</td><td style="font-family: Times New Roman, Times, Serif">&#160;</td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left">&#160;</td><td id="xdx_495_20210101__20211231_zwgZ7Lm9Ehhi" style="font-family: Times New Roman, Times, Serif; text-align: right">&#160;</td><td style="font-family: Times New Roman, Times, Serif; text-align: left">&#160;</td><td style="font-family: Times New Roman, Times, Serif">&#160;</td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left">&#160;</td><td id="xdx_496_20200101__20201231_z3eOTuyajRq8" style="font-family: Times New Roman, Times, Serif; text-align: right">&#160;</td><td style="font-family: Times New Roman, Times, Serif; text-align: left">&#160;</td></tr>
<tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Years Ended</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31,</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(Amounts in Thousands, Except
    for Per Share Amounts)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Net income attributable to Perma-Fix Environmental
    Services, Inc., common stockholders:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_ziolAcX58WV3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Income
    </span><span style="font-family: Times New Roman, Times, Serif">from continuing operations, net of taxes</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,092</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3,149</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--NetIncomeLossAttributableToNoncontrollingInterest_pn3n3_zsgbAhHn3Dsi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Net
    loss attributable to non-controlling interest</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">164</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">123</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_400_eus-gaap--IncomeLossFromContinuingOperations_pn3n3_zArifN6SrMMc" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left">Income from continuing
    operations attributable to <span style="font-family: Times New Roman, Times, Serif">Perma-Fix Environmental
    Services, Inc. common stockholders</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperations" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,256</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperations" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3,272</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left; padding-bottom: 1pt">Loss from discontinuing
    operations attributable to <span style="font-family: Times New Roman, Times, Serif">Perma-Fix
    Environmental Services, Inc. common stockholders</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">421</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">412</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Net
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    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:NetIncomeLoss" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,860</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_402_eus-gaap--EarningsPerShareBasic_pid_zQSuRLmDVvM2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Basic income per share
    attributable to Perma-Fix Environmental Services, Inc. common stockholders</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:EarningsPerShareBasic" contextRef="From2020-01-012020-12-31" decimals="INF" unitRef="USDPShares">.24</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_401_eus-gaap--EarningsPerShareDiluted_pid_zVds0rU6xJ13" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Diluted income per share
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    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:EarningsPerShareDiluted" contextRef="From2021-01-01to2021-12-31" decimals="INF" unitRef="USDPShares">.07</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:EarningsPerShareDiluted" contextRef="From2020-01-012020-12-31" decimals="INF" unitRef="USDPShares">.23</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Weighted average shares outstanding:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_405_eus-gaap--WeightedAverageNumberOfSharesOutstandingBasic_pid_zwlOGpQfOSjb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Basic weighted average shares outstanding</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">12,433</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">12,139</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_eus-gaap--IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_pid_zDpsrPS6bC08" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Add: dilutive effect of
    stock options</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">211</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">184</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_400_eus-gaap--IncrementalCommonSharesAttributableToCallOptionsAndWarrants_pid_zJZMQxVQUP95" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Add:
    dilutive effect of warrants</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncrementalCommonSharesAttributableToCallOptionsAndWarrants" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">29</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncrementalCommonSharesAttributableToCallOptionsAndWarrants" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">24</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40D_eus-gaap--WeightedAverageNumberOfDilutedSharesOutstanding_pid_zcWvhVSpe546" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Diluted weighted average shares outstanding</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">12,673</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">12,347</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Potential shares excluded from above weighted
    average share calculations due to their anti-dilutive effect include:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40B_eus-gaap--AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_pid_zExoUdfHwko2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Stock options</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">323</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">42</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_ecustom--AntidilutiveSecuritiesOfWarrantsExcludedFromComputationOfEarningsPerShareAmount_pid_zqfey61kZjW5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Warrant</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span style="-sec-ix-hidden: xdx2ixbrl1525">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span style="-sec-ix-hidden: xdx2ixbrl1526">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

</ix:nonNumeric><p id="xdx_8A1_z1McUBQLjNFb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock"><p id="xdx_801_eus-gaap--DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_zYJ8FkojzZAg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
9</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_827_zAAKKjN5RIp6">DISCONTINUED
OPERATIONS</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s discontinued operations consist of all our subsidiaries included in our Industrial Segment which encompasses subsidiaries
divested in 2011 and prior and three previously closed locations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company incurred losses from discontinued operations of $<span id="xdx_904_eus-gaap--IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_iN_di_c20210101__20211231_zAwyzsAN4wa1" title="Loss from discontinued operations"><ix:nonFraction name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="0" sign="-" unitRef="USD">421,000</ix:nonFraction></span> (net of tax benefit of $<span id="xdx_903_eus-gaap--DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal_c20210101__20211231_z42E6k5lKR59" title="Tax effect of discontinued operation"><ix:nonFraction name="us-gaap:DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">139,000</ix:nonFraction></span>) and $<span id="xdx_900_eus-gaap--IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_iN_di_c20200101__20201231_ztz0WMqzFa3i" title="Loss from discontinued operations"><ix:nonFraction name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="0" sign="-" unitRef="USD">412,000</ix:nonFraction></span> (net of taxes of $<span id="xdx_903_eus-gaap--DiscontinuedOperationTaxEffectOfDiscontinuedOperation_pn3n3_c20200101__20201231_zrFLhKTeGzZ7" title="Tax effect of discontinued operation"><ix:nonFraction name="us-gaap:DiscontinuedOperationTaxEffectOfDiscontinuedOperation" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">0</ix:nonFraction></span>) for
the years ended December 31, 2021 and 2020, respectively. The loss for the year ended 2021 included an increase of approximately $<span id="xdx_90D_eus-gaap--AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease_c20200101__20201231__dei--LegalEntityAxis__custom--PermaFixOfMemphisIncMember_zD331Wd02Qk5" title="Increase (decrease) in environmental liability"><ix:nonFraction name="us-gaap:AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease" contextRef="From2020-01-012020-12-31_custom_PermaFixOfMemphisIncMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">100,000</ix:nonFraction></span>
in remediation reserve for our PFSG subsidiary due to reassessment of the remediation reserve. The remaining loss for each of the periods
noted above was primarily due to costs incurred in the administration and continued monitoring of our discontinued operations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<ix:exclude><!-- Field: Page; Sequence: 62; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->60<!-- Field: /Sequence --></td></tr></table></div>
    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="PESI:DisposalGroupsIncludingDiscontinuedOperationBalanceSheetTableTextBlock"><p id="xdx_89B_ecustom--DisposalGroupsIncludingDiscontinuedOperationBalanceSheetTableTextBlock_zXmMU4a93Pee" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table presents the major class of assets of discontinued operations at December 31, 2021 and December 31, 2020. No assets and
liabilities were held for sale at each of the periods noted.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span id="xdx_8BD_zcMLjLrqZnig" style="display: none">SCHEDULE OF DISPOSAL GROUPS, INCLUDING DISCONTINUED OPERATION BALANCE SHEET</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>
<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 90%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left">&#160;</td><td id="xdx_491_20211231_ztl7iiDWeI02" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right">&#160;</td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left">&#160;</td><td id="xdx_49C_20201231_zWujmFS0hJO7" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right">&#160;</td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left">&#160;</td></tr>
<tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December 31,</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(Amounts in Thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Current assets</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_400_ecustom--DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale_iI_pn3n3_maAODGIzXOJ_z1eTx8fJBwp4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Other assets</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">15</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">22</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_401_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale_iTI_pn3n3_mtAODGIzXOJ_maDGIDOzwqA_zSx8xyr3opWd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total current assets</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">15</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">22</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Long-term assets</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_408_ecustom--DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent_iI_pn3n3_maDGIDOzLrQ_z8VQPJn84x32" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span id="xdx_F45_z3lcI0WsycH" style="font-family: Times New Roman, Times, Serif">Property, plant and equipment,
    net <sup>(1)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">81</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">81</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_ecustom--DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent_iTI_pn3n3_mtDGIDOzLrQ_maDGIDOzwqA_z0uKM6S5Plrb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">81</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">81</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_ecustom--DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale_iTI_pn3n3_mtDGIDOzwqA_zP0FQPcGDfB4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total
    assets</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">103</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Current liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_403_ecustom--DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale_iI_pn3n3_maLODGIzuUg_z0oipgEJ7tv6" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">4</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_401_ecustom--DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities_iI_pn3n3_maLODGIzuUg_z2CE46jau6n5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">150</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_ecustom--DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities_iI_pn3n3_maLODGIzuUg_zouKplmZ8rha" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">349</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">744</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_403_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale_iTI_pn3n3_mtLODGIzuUg_maLODGIz0i8_zRhiKLHLHF38" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">506</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">898</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Long-term liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale_iI_pn3n3_maLODGIzy7I_zXVyV9ILZsy6" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Closure liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">150</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">142</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities_iI_pn3n3_maLODGIzy7I_zQYp8wVr2dng" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Environmental liabilities</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">527</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">110</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale_iTI_pn3n3_mtLODGIzy7I_maLODGIz0i8_zhfcMemv79Qk" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total
    long-term liabilities</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">677</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">252</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale_iI_pn3n3_mtLODGIz0i8_z1sfbf5Yxgz8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total
    liabilities</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,183</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,150</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 31.5pt"></p><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 31.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" border="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt">
<tr style="vertical-align: top">
  <td style="text-align: justify; padding-left: 10pt; text-indent: -10pt; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0A_zlSUe9RFDp13">(1)</sup></span></td>
  <td style="text-align: justify"><span id="xdx_F19_z9WaFn6rfKef" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote001580" xml:lang="en-US">net of accumulated depreciation of $<span><span><span id="xdx_904_eus-gaap--DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization_c20200101__20201231_zD1sFl5Uu8c1" class="xdx_phnt_RGlzY2xvc3VyZSAtIERJU0NPTlRJTlVFRCBPUEVSQVRJT05TIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><span id="xdx_907_eus-gaap--DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization_c20210101__20211231_zqRdqnjFI89h" class="xdx_phnt_RGlzY2xvc3VyZSAtIERJU0NPTlRJTlVFRCBPUEVSQVRJT05TIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" title="Accumulated depreciation"><ix:nonFraction name="us-gaap:DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD"><ix:nonFraction name="us-gaap:DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">10,000</ix:nonFraction></ix:nonFraction></span></span></span></span> for each period
presented.</ix:footnote></span></td></tr>
</table>


</ix:nonNumeric><p id="xdx_8A6_zr8b2sXLQauh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Environmental
Liabilities</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company has three remediation projects, which are currently in progress relating to our PFD, PFM and PFSG (closed locations) subsidiaries,
all within our discontinued operations. The Company divested PFD in 2008; however, the environmental liability of PFD was retained
by the Company upon the divestiture of PFD. These remediation projects principally entail the removal/remediation of contaminated soil
and, in most cases, the remediation of surrounding ground water. The remediation activities are closely reviewed and monitored by the
applicable state regulators.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">At
December 31, 2021, the Company had total accrued environmental remediation liabilities of $<span id="xdx_905_eus-gaap--AccrualForEnvironmentalLossContingencies_c20211231_pp0p0" title="Accrued environmental remediation liabilities"><ix:nonFraction name="us-gaap:AccrualForEnvironmentalLossContingencies" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">876,000</ix:nonFraction></span>, an increase of $<span id="xdx_905_eus-gaap--AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease_c20210101__20211231_pp0p0" title="Increase (decrease) in environmental liability"><ix:nonFraction name="us-gaap:AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">22,000</ix:nonFraction></span> from the December
31, 2020 balance of $<span id="xdx_904_eus-gaap--AccrualForEnvironmentalLossContingencies_c20201231_pp0p0" title="Accrued environmental remediation liabilities"><ix:nonFraction name="us-gaap:AccrualForEnvironmentalLossContingencies" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">854,000</ix:nonFraction></span>. The net increase represents an increase of $<span id="xdx_904_eus-gaap--AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease_pp0p0_c20200101__20201231_zcB39bdwHHx3"><ix:nonFraction name="us-gaap:AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">100,000</ix:nonFraction></span> made to the reserve at our PFSG subsidiary as discussed
above and payments of approximately $<span id="xdx_904_eus-gaap--AccrualForEnvironmentalLossContingenciesPayments1_pp0p0_c20200101__20201231_zKEEZAIcAcY7"><ix:nonFraction name="us-gaap:AccrualForEnvironmentalLossContingenciesPayments1" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">78,000</ix:nonFraction></span> for remediation projects for the three subsidiaries. At December 31, 2021, $<span id="xdx_90D_eus-gaap--AccruedEnvironmentalLossContingenciesCurrent_iI_pp0p0_c20211231_z4WlF3PKYlR" title="Accrued environmental liabilities, current"><ix:nonFraction name="us-gaap:AccruedEnvironmentalLossContingenciesCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">349,000</ix:nonFraction></span> of the
total accrued environmental liabilities was recorded as current.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock"><p id="xdx_892_eus-gaap--ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_zKHbImfFOX09" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
current and long-term accrued environmental liabilities at December 31, 2021 are summarized as follows (in thousands).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span id="xdx_8BE_zhyeReJfxW9j" style="display: none">SCHEDULE OF CURRENT AND LONG TERM ACCRUED ENVIRONMENTAL LIABILITY</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Current</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Long-term</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Accrual</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Accrual</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 46%"><span style="font-family: Times New Roman, Times, Serif">PFD</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--AccruedEnvironmentalLossContingenciesCurrent_c20211231__dei--LegalEntityAxis__custom--PFDMember_pn3n3" title="Current Accrual" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccruedEnvironmentalLossContingenciesCurrent" contextRef="AsOf2021-12-31_custom_PFDMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">8</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--AccruedEnvironmentalLossContingenciesNoncurrent_c20211231__dei--LegalEntityAxis__custom--PFDMember_pn3n3" title="Long-term Accrual" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent" contextRef="AsOf2021-12-31_custom_PFDMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">60</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--AccrualForEnvironmentalLossContingencies_c20211231__dei--LegalEntityAxis__custom--PFDMember_pn3n3" title="Total" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccrualForEnvironmentalLossContingencies" contextRef="AsOf2021-12-31_custom_PFDMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">68</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">PFM</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--AccruedEnvironmentalLossContingenciesCurrent_c20211231__dei--LegalEntityAxis__custom--PFMMember_pn3n3" title="Current Accrual" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1603">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--AccruedEnvironmentalLossContingenciesNoncurrent_c20211231__dei--LegalEntityAxis__custom--PFMMember_pn3n3" title="Long-term Accrual" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent" contextRef="AsOf2021-12-31_custom_PFMMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">15</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--AccrualForEnvironmentalLossContingencies_c20211231__dei--LegalEntityAxis__custom--PFMMember_pn3n3" title="Total" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccrualForEnvironmentalLossContingencies" contextRef="AsOf2021-12-31_custom_PFMMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">15</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">PFSG</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--AccruedEnvironmentalLossContingenciesCurrent_c20211231__dei--LegalEntityAxis__custom--PFSGMember_pn3n3" title="Current Accrual" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccruedEnvironmentalLossContingenciesCurrent" contextRef="AsOf2021-12-31_custom_PFSGMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">341</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_eus-gaap--AccruedEnvironmentalLossContingenciesNoncurrent_c20211231__dei--LegalEntityAxis__custom--PFSGMember_pn3n3" title="Long-term Accrual" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent" contextRef="AsOf2021-12-31_custom_PFSGMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">452</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_988_eus-gaap--AccrualForEnvironmentalLossContingencies_c20211231__dei--LegalEntityAxis__custom--PFSGMember_pn3n3" title="Total" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccrualForEnvironmentalLossContingencies" contextRef="AsOf2021-12-31_custom_PFSGMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">793</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total liability</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--AccruedEnvironmentalLossContingenciesCurrent_iI_pn3n3_c20211231_zpBQpwOwmMn5" title="Current Accrual" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccruedEnvironmentalLossContingenciesCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">349</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--AccruedEnvironmentalLossContingenciesNoncurrent_c20211231_pn3n3" title="Long-term Accrual" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">527</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--AccrualForEnvironmentalLossContingencies_iI_pn3n3_c20211231_zl0Oeoet8jw3" title="Total" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccrualForEnvironmentalLossContingencies" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">876</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>


</ix:nonNumeric><p id="xdx_8A8_zVZtlTysizIb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>


<ix:exclude><!-- Field: Page; Sequence: 63; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->61<!-- Field: /Sequence --></td></tr></table></div>
    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:LongTermDebtTextBlock"><p id="xdx_80B_eus-gaap--LongTermDebtTextBlock_zoyvmxUBXxP" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
10</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_825_zyy2oiTFLAcj">LONG-TERM
DEBT</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ScheduleOfDebtInstrumentsTextBlock"><p id="xdx_897_eus-gaap--ScheduleOfDebtInstrumentsTextBlock_zS2apXxVNghc" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Long-term
debt consists of the following at December 31, 2021 and December 31, 2020:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8BA_zjuae0j4Hfr2" style="display: none">SCHEDULE OF LONG TERM DEBT</span></span></p>
<table cellpadding="0" cellspacing="0" style="font: 9.5pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(Amounts in Thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49C_20211231_zX6Jwoc1IrUc" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49C_20201231_zBPXl0YuGKwi" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td></tr>
  <tr id="xdx_400_eus-gaap--LongTermDebt_iI_pn3n3_hus-gaap--LongtermDebtTypeAxis__custom--RevolvingCreditMember_zrlvgPx0jJMc" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt"><b>Revolving
    Credit</b> facility dated May 8, 2020, borrowings based upon eligible accounts receivable, subject to monthly borrowing base calculation,
    balance due on <span id="xdx_905_eus-gaap--DebtInstrumentMaturityDate_dd_c20200507__20200508__us-gaap--TypeOfArrangementAxis__custom--RevolvingCreditMember_zXVZ7u6y2ssj" title="Debt due date" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonNumeric contextRef="From2020-05-072020-05-08_custom_RevolvingCreditMember" format="ixt:datemonthdayyearen" name="us-gaap:DebtInstrumentMaturityDate">May 15, 2024</ix:nonNumeric></span>. Effective interest rate for 2021 and 2020 was <span id="xdx_909_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_uPure_c20211231__us-gaap--TypeOfArrangementAxis__custom--RevolvingCreditMember_zA3nFPGRMkj4" title="Effective interest rate" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" style="font: 10pt Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:DebtInstrumentInterestRateEffectivePercentage" contextRef="AsOf2021-12-31_custom_RevolvingCreditMember182924796" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">5.3</ix:nonFraction>%</span> and <span id="xdx_90E_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_uPure_c20201231__us-gaap--TypeOfArrangementAxis__custom--RevolvingCreditMember_zEt8hB0UFD51" title="Effective interest rate" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:DebtInstrumentInterestRateEffectivePercentage" contextRef="AsOf2020-12-31_custom_RevolvingCreditMember182924796" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">6.1</ix:nonFraction>%</span>. <sup id="xdx_F45_z3aC8tpxcWDj">(1) </sup></span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1625">&#8212;</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1626">&#8212;</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt"><b>Term
    Loan</b> dated May 8, 2020, payable in equal monthly installments of principal, balance due on <span id="xdx_90A_eus-gaap--DebtInstrumentMaturityDate_dd_c20200507__20200508__us-gaap--TypeOfArrangementAxis__custom--TermLoanMember_zeWdGD7tvZk2" title="Debt due date" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonNumeric contextRef="From2020-05-072020-05-08_custom_TermLoanMember" format="ixt:datemonthdayyearen" name="us-gaap:DebtInstrumentMaturityDate">May 15, 2024</ix:nonNumeric></span>. Effective interest rate
    for 2021 and 2020 was <span id="xdx_90B_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_uPure_c20211231__us-gaap--TypeOfArrangementAxis__custom--TermLoanMember_zZf5yHCfFdTd" title="Effective interest rate" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:DebtInstrumentInterestRateEffectivePercentage" contextRef="AsOf2021-12-31_custom_TermLoanMember182924812" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">4.5</ix:nonFraction>%</span> and <span id="xdx_907_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_c20201231__us-gaap--TypeOfArrangementAxis__custom--TermLoanMember_z40l6Xwbqizf" title="Effective interest rate" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:DebtInstrumentInterestRateEffectivePercentage" contextRef="AsOf2020-12-31_custom_TermLoanMember182924828" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">5.2</ix:nonFraction>%</span>. <sup>(1) </sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--LongTermDebt_iI_pn3n3_c20211231__us-gaap--LongtermDebtTypeAxis__custom--TermLoanMember_fKDEpKDIp_zTgP0ny4tKy9" title="Total debt" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LongTermDebt" contextRef="AsOf2021-12-31_custom_TermLoanMember" id="Fact001640" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">954</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(2)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--LongTermDebt_iI_pn3n3_c20201231__us-gaap--LongtermDebtTypeAxis__custom--TermLoanMember_fKDEpKDIp_zCNeYEMd0c48" title="Total debt" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LongTermDebt" contextRef="AsOf2020-12-31_custom_TermLoanMember" id="Fact001642" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,388</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(2)</sup></span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt"><b>Promissory
    Note</b> dated April 14, 2020, balance of loan forgiven. Interest accrued at annual rate of <span id="xdx_90F_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_c20200414__us-gaap--LongtermDebtTypeAxis__custom--RelatedPartyPromissoryNoteOneMember_zxngtnvVz7Qh" title="Effective interest rate" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:DebtInstrumentInterestRateEffectivePercentage" contextRef="AsOf2020-04-14_custom_RelatedPartyPromissoryNoteOneMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">1.0</ix:nonFraction>%</span>. <sup>(3)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--LongTermDebt_iI_pn3n3_c20211231__us-gaap--LongtermDebtTypeAxis__custom--RelatedPartyPromissoryNoteOneMember_fKDMpKDQp_zDkw3ut2MTC5" title="Total debt" style="font: 10pt Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl1646">&#8212;</span><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(4)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--LongTermDebt_iI_pn3n3_c20201231__us-gaap--LongtermDebtTypeAxis__custom--RelatedPartyPromissoryNoteOneMember_fKDMpKDQp_zBkONtKoB0I3" title="Total debt" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LongTermDebt" contextRef="AsOf2020-12-31_custom_RelatedPartyPromissoryNoteOneMember" id="Fact001648" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">5,318</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(4)</sup></span></td></tr>
  <tr id="xdx_406_eus-gaap--LongTermDebt_iI_pn3n3_hus-gaap--LongtermDebtTypeAxis__custom--NotePayableMember_zODBoqEKBxIk" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><b>Notes
    Payable</b> to 2023 and 2025, annual interest rate of <span id="xdx_901_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_c20211231__us-gaap--LongtermDebtTypeAxis__custom--NotePayableOneMember_zOGr2IFQLZ4" title="Effective interest rate" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:DebtInstrumentInterestRateEffectivePercentage" contextRef="AsOf2021-12-31_custom_NotePayableOneMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">5.6</ix:nonFraction>%</span> and <span id="xdx_904_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_c20201231__us-gaap--LongtermDebtTypeAxis__custom--NotePayableOneMember_z9R27xqRaxth" title="Effective interest rate" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:DebtInstrumentInterestRateEffectivePercentage" contextRef="AsOf2020-12-31_custom_NotePayableOneMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">9.1</ix:nonFraction>%</span>.</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LongTermDebt" contextRef="AsOf2021-12-31_custom_NotePayableMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">39</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LongTermDebt" contextRef="AsOf2020-12-31_custom_NotePayableMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">23</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td></tr>
  <tr id="xdx_406_eus-gaap--LongTermDebt_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total debt</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LongTermDebt" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">993</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LongTermDebt" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">6,729</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td></tr>
  <tr id="xdx_40D_eus-gaap--LongTermDebtCurrent_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Less current portion of
    long-term debt</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LongTermDebtCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">393</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LongTermDebtCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3,595</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td></tr>
  <tr id="xdx_40E_eus-gaap--LongTermDebtNoncurrent_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Long-term debt</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LongTermDebtNoncurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">600</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LongTermDebtNoncurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3,134</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -27pt"></p><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -27pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup></sup></span></p>

<table cellspacing="0" cellpadding="0" style="width: 100%; border-collapse: collapse">
  <tr style="vertical-align: top">
    <td style="width: 3%"><span id="xdx_F04_z8bhnUAIcot2" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(1)</span></td>
    <td style="width: 97%"><span id="xdx_F13_zB9ZzSQOUjRl" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote001665" xml:lang="en-US">Our
    revolving credit facility is collateralized by our accounts receivable and our term loan is collateralized by our property, plant,
    and equipment.</ix:footnote></span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify">&#160;</p>

<table cellspacing="0" cellpadding="0" style="width: 100%; border-collapse: collapse">
  <tr style="vertical-align: top">
    <td style="width: 3%"><span id="xdx_F02_zncSiQYm3i25" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(2)</span></td>
    <td style="width: 97%"><span id="xdx_F1E_zdsvHIgpLU2" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote001666" xml:lang="en-US">Net
    of debt issuance/debt discount costs of ($<span id="xdx_90B_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20211231_zxv0W3sUClif" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" title="Debt issuance costs net"><ix:nonFraction name="us-gaap:DeferredFinanceCostsNet" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">112,000</ix:nonFraction></span>) and ($<span id="xdx_904_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20201231_zM0KwtufEN59" title="Debt issuance costs net" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:DeferredFinanceCostsNet" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">105,000</ix:nonFraction></span>) at December 31, 2021 and December 31, 2020, respectively.</ix:footnote></span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup></sup></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b></b></span></p>

<table cellspacing="0" cellpadding="0" style="width: 100%; border-collapse: collapse">
  <tr style="vertical-align: top">
    <td style="width: 3%"><span id="xdx_F0C_zWOp5ELx4fV1" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(3)</span></td>
    <td style="width: 97%"><span id="xdx_F11_z3pteyhMrab" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote001671" xml:lang="en-US">Uncollateralized
    note.</ix:footnote></span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b></b></span></p>

<table cellspacing="0" cellpadding="0" style="width: 100%; border-collapse: collapse">
  <tr style="vertical-align: top">
    <td style="width: 3%"><span id="xdx_F02_zUD9yETeTes2" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(4)</span></td>
    <td style="width: 97%"><span id="xdx_F1C_zfFY9fuztTqc" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote001672" xml:lang="en-US">Entered
    into with the Company&#8217;s credit facility lender under the PPP under the CARES Act (see &#8220;PPP Loan&#8221; below for information
    regarding forgiveness on the entire loan balance, along with accrued interest, effective June 15, 2021).</ix:footnote></span></td></tr>
  </table>
</ix:nonNumeric><p id="xdx_8AE_zpeK0tRY67ol" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Revolving
Credit and Term Loan Agreement</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company entered into a Second Amended and Restated Revolving Credit, Term Loan and Security Agreement, dated May 8, 2020 (&#8220;Loan
Agreement&#8221;), with PNC National Association (&#8220;PNC&#8221;), acting as agent and lender. The Loan Agreement provides the Company
with the following credit facility with a maturity date of <span id="xdx_90B_eus-gaap--DebtInstrumentMaturityDate_dd_c20200506__20200508__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember__us-gaap--DebtInstrumentAxis__custom--RevisedLoanAgreementMember__dei--LegalEntityAxis__custom--PNCBankMember_z2XqaT3Hxu9k" title="Debt instrument maturity date"><ix:nonNumeric contextRef="From2020-05-062020-05-08_us-gaap_RevolvingCreditFacilityMember_custom_RevisedLoanAgreementMember_custom_PNCBankMember" format="ixt:datemonthdayyearen" name="us-gaap:DebtInstrumentMaturityDate">March 15, 2024</ix:nonNumeric></span>: (a) up to $<span id="xdx_907_eus-gaap--LineOfCreditFacilityMaximumBorrowingCapacity_iI_pp0p0_c20200508__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember__us-gaap--DebtInstrumentAxis__custom--RevisedLoanAgreementMember__dei--LegalEntityAxis__custom--PNCBankMember_zNe2XKyJ5srl" title="Line of credit facility, maximum borrowing capacity"><ix:nonFraction name="us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity" contextRef="AsOf2020-05-08_us-gaap_RevolvingCreditFacilityMember_custom_RevisedLoanAgreementMember_custom_PNCBankMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">18,000,000</ix:nonFraction></span> revolving credit (&#8220;revolving credit&#8221;)
and (b) a term loan (&#8220;term loan&#8221;) of approximately $<span id="xdx_906_eus-gaap--LongTermDebt_iI_pp0p0_c20200508__us-gaap--DebtInstrumentAxis__custom--RevisedLoanAgreementMember__dei--LegalEntityAxis__custom--PNCBankMember__us-gaap--LongtermDebtTypeAxis__custom--TermLoanMember_zOqB1LoJRhk7" title="Long-term debt"><ix:nonFraction name="us-gaap:LongTermDebt" contextRef="AsOf2020-05-08_custom_RevisedLoanAgreementMember_custom_PNCBankMember_custom_TermLoanMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">1,742,000</ix:nonFraction></span>, requiring monthly installments of $<span id="xdx_904_eus-gaap--DebtInstrumentPeriodicPayment_pp0p0_c20200506__20200508__us-gaap--DebtInstrumentAxis__custom--RevisedLoanAgreementMember__dei--LegalEntityAxis__custom--PNCBankMember__us-gaap--LongtermDebtTypeAxis__custom--TermLoanMember_zU8quMz5XAE8" title="Debt instrument periodic payment"><ix:nonFraction name="us-gaap:DebtInstrumentPeriodicPayment" contextRef="From2020-05-062020-05-08_custom_RevisedLoanAgreementMember_custom_PNCBankMember_custom_TermLoanMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">35,547</ix:nonFraction></span>. The maximum that
the Company can borrow under the revolving credit is based on a percentage of eligible receivables (as defined) at any one time reduced
by outstanding standby letters of credit and borrowing reductions that our lender may impose from time to time.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
May 4, 2021, the Company entered into an amendment to the Loan Agreement with its lender which provided the following, among other things:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">revised
    the Company&#8217;s FCCR calculation requirement which allows for the add-back of approximately $<span id="xdx_901_ecustom--EligibleExpensesUnderPPPLoan_iI_pp0p0_c20210504__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramMember_zpg1BCfhD56l" title="Eligible expenses incurred in connection with the PPP loan"><ix:nonFraction name="PESI:EligibleExpensesUnderPPPLoan" contextRef="AsOf2021-05-04_custom_PaycheckProtectionProgramMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">5,318,000</ix:nonFraction></span> in eligible expenses that
    were incurred and covered by the PPP Loan that the Company received in 2020. The add-back is to be applied retroactively to the second
    and third quarters of 2020. (see below for a discussion of the PPP Loan); and</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">a
    capital expenditure line of up to $<span id="xdx_90B_eus-gaap--LineOfCreditFacilityCurrentBorrowingCapacity_iI_pp0p0_c20210504_zag1tZZEDqs7" title="Line of Credit Facility, Current Borrowing Capacity"><ix:nonFraction name="us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity" contextRef="AsOf2021-05-04" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">1,000,000</ix:nonFraction></span> with advances on the line, subject to certain limitations, permitted for up to twelve
    months starting May 4, 2021 (the &#8220;Borrowing Period&#8221;). Only interest is payable on advances during the Borrowing Period
    (see annual rate of interest below on the capital expenditure line). At the end of the Borrowing Period, the total amount advanced
    under the line will amortize equally based on a five-year amortization schedule with principal payment due monthly plus interest.
    At the maturity date of the Loan Agreement, any unpaid principal balance plus interest, if any, will become due. No advance on the
    capital line has been made as of December 31, 2021.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
connection with the amendment, the Company paid its lender a fee of $<span id="xdx_901_eus-gaap--DebtInstrumentFeeAmount_iI_c20210504_zWx2AJJ0phrc" title="Lender fee value"><ix:nonFraction name="us-gaap:DebtInstrumentFeeAmount" contextRef="AsOf2021-05-04" format="ixt:numdotdecimal" decimals="0" unitRef="USD">15,000</ix:nonFraction></span> which is being amortized over the remaining term of the Loan
Agreement, as amended, as interest expense-financing fees.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<ix:exclude><!-- Field: Page; Sequence: 64; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->62<!-- Field: /Sequence --></td></tr></table></div>
    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
August 10, 2021, the Company entered into another amendment to the Loan Agreement with its lender which provided, among other things,
the following:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">waived
    the Company&#8217;s failure to meet the minimum quarterly FCCR requirement for the second quarter of 2021;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">removes
    the quarterly FCCR testing requirement for the third quarter of 2021;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">reinstates
    <span id="xdx_90F_eus-gaap--DebtInstrumentDescription_c20210809__20210810__us-gaap--TypeOfArrangementAxis__custom--LoanAgreementMember_z6GizflUknS3"><ix:nonNumeric contextRef="From2021-08-092021-08-10_custom_LoanAgreementMember" name="us-gaap:DebtInstrumentDescription">the quarterly FCCR testing requirement starting for the fourth quarter of 2021 and revises the methodology to be used in calculating
    the FCCR for the quarters ending December 31, 2021, March 31, 2022, and June 30, 2022 (with no change to the minimum 1.15:1 ratio
    requirement for each quarter)</ix:nonNumeric></span>; and</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">requires
    maintenance of a minimum of $<span id="xdx_903_eus-gaap--LineOfCreditFacilityCurrentBorrowingCapacity_iI_pp0p0_c20211231__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--LeanderMember_zfrsE4tdji5" title="Debt instrument, borrowing capacity, amount"><ix:nonFraction name="us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity" contextRef="AsOf2021-12-31_us-gaap_RevolvingCreditFacilityMember_custom_LeanderMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">3,000,000</ix:nonFraction></span> in borrowing availability under the revolving credit until the minimum FCCR requirement for
    the quarter ended December 31, 2021 has been met and certified to the lender.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
connection with the amendment, the Company paid its lender a fee of $<span id="xdx_901_eus-gaap--DebtInstrumentFeeAmount_iI_c20210504_zgcj84TcQER1"><ix:nonFraction name="us-gaap:DebtInstrumentFeeAmount" contextRef="AsOf2021-05-04" format="ixt:numdotdecimal" decimals="0" unitRef="USD">15,000</ix:nonFraction></span> which is being amortized over the remaining term of the Loan
Agreement, as amended, as interest expense-financing fees.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Pursuant
to the Loan Agreement, as amended, payment of annual rate of interest due on the revolving credit is at prime (<span id="xdx_900_eus-gaap--DebtInstrumentInterestRateStatedPercentage_iI_dp_uPure_c20211231__us-gaap--VariableRateAxis__us-gaap--PrimeRateMember__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zUVNFD3ewor9" title="Interest rate"><ix:nonFraction name="us-gaap:DebtInstrumentInterestRateStatedPercentage" contextRef="AsOf2021-12-31_us-gaap_PrimeRateMember_us-gaap_RevolvingCreditFacilityMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">3.25</ix:nonFraction>%</span> at December 31,
2021) plus <span id="xdx_90D_eus-gaap--DebtInstrumentBasisSpreadOnVariableRate1_dp_uPure_c20210101__20211231__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember__us-gaap--VariableRateAxis__us-gaap--PrimeRateMember_z6SLZhzvHmt2" title="Debt Instrument, basis spread on variable rate"><ix:nonFraction name="us-gaap:DebtInstrumentBasisSpreadOnVariableRate1" contextRef="From2021-01-012021-12-31_us-gaap_RevolvingCreditFacilityMember_us-gaap_PrimeRateMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">2</ix:nonFraction>%</span> or London InterBank Offer Rate (&#8220;LIBOR&#8221;) plus <span id="xdx_90B_eus-gaap--DebtInstrumentBasisSpreadOnVariableRate1_dp_uPure_c20210101__20211231__us-gaap--VariableRateAxis__us-gaap--LondonInterbankOfferedRateLIBORMember__us-gaap--TypeOfArrangementAxis__custom--LoanAgreementMember_zhN9o4juaYdk" title="Debt Instrument, basis spread on variable rate"><ix:nonFraction name="us-gaap:DebtInstrumentBasisSpreadOnVariableRate1" contextRef="From2021-01-012021-12-31_us-gaap_LondonInterbankOfferedRateLIBORMember_custom_LoanAgreementMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">3.00</ix:nonFraction>%</span> and the term loan and the capital expenditure line at prime
plus <span id="xdx_90B_eus-gaap--DebtInstrumentBasisSpreadOnVariableRate1_dp_uPure_c20210101__20211231__us-gaap--VariableRateAxis__us-gaap--PrimeRateMember__us-gaap--TypeOfArrangementAxis__custom--LoanAgreementMember__us-gaap--DebtInstrumentAxis__custom--CapitalExpenditureMember_z19F8aOzC832" title="Debt Instrument, basis spread on variable rate"><ix:nonFraction name="us-gaap:DebtInstrumentBasisSpreadOnVariableRate1" contextRef="From2021-01-012021-12-31_us-gaap_PrimeRateMember_custom_LoanAgreementMember_custom_CapitalExpenditureMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">2.50</ix:nonFraction>%</span> or LIBOR plus <span id="xdx_900_eus-gaap--DebtInstrumentBasisSpreadOnVariableRate1_dp_uPure_c20210101__20211231__us-gaap--TypeOfArrangementAxis__custom--LoanAgreementMember__us-gaap--VariableRateAxis__us-gaap--LondonInterbankOfferedRateLIBORMember__us-gaap--DebtInstrumentAxis__custom--CapitalExpenditureMember_zvD2WnTlrQK4" title="Debt Instrument, basis spread on variable rate"><ix:nonFraction name="us-gaap:DebtInstrumentBasisSpreadOnVariableRate1" contextRef="From2021-01-012021-12-31_custom_LoanAgreementMember_us-gaap_LondonInterbankOfferedRateLIBORMember_custom_CapitalExpenditureMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">3.50</ix:nonFraction>%</span>. Under the LIBOR option of interest payment, a LIBOR floor of <span title="Capital increase expenditure Interest rate"><span id="xdx_908_eus-gaap--DebtInstrumentBasisSpreadOnVariableRate1_dp_uPure_c20210101__20211231__us-gaap--VariableRateAxis__us-gaap--LondonInterbankOfferedRateLIBORMember_zEYv15ngba2j"><ix:nonFraction name="us-gaap:DebtInstrumentBasisSpreadOnVariableRate1" contextRef="From2021-01-012021-12-31_us-gaap_LondonInterbankOfferedRateLIBORMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">0.75</ix:nonFraction></span>%</span> applies in the event that LIBOR falls
below <span id="xdx_90B_eus-gaap--DebtInstrumentBasisSpreadOnVariableRate1_dp_uPure_c20210101__20211231__us-gaap--VariableRateAxis__us-gaap--LondonInterbankOfferedRateLIBORMember_zO4BxHiWkmpj" title="Debt Instrument, basis spread on variable rate"><ix:nonFraction name="us-gaap:DebtInstrumentBasisSpreadOnVariableRate1" contextRef="From2021-01-012021-12-31_us-gaap_LondonInterbankOfferedRateLIBORMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">0.75</ix:nonFraction>%</span> at any point in time.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_909_eus-gaap--DebtInstrumentDescription_c20210101__20211231__us-gaap--TypeOfArrangementAxis__custom--LoanAgreementMember_zOPd6cI7yU6c"><ix:nonNumeric contextRef="From2021-01-012021-12-31_custom_LoanAgreementMember" name="us-gaap:DebtInstrumentDescription">The
Company may terminate its Loan Agreement, as amended upon 90 days&#8217; prior written notice upon payment in full of our obligations
under the Loan Agreement. The Company agreed to pay PNC 1.0% of the total financing had the Company paid off its obligations on or before
May 7, 2021 and 0.5% of the total financing if the Company pays off its obligations after May 7, 2021 but prior to or on May 7, 2022.
No early termination fee will apply if the Company pays off its obligations under the Loan Agreement after May 7, 2022.</ix:nonNumeric></span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">At
December 31, 2021, the borrowing availability under the Company&#8217;s revolving credit was approximately $<span id="xdx_904_eus-gaap--LineOfCreditFacilityRemainingBorrowingCapacity_c20211231__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_pp0p0" title="Line of credit facility, remaining borrowing capacity"><ix:nonFraction name="us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity" contextRef="AsOf2021-12-31_us-gaap_RevolvingCreditFacilityMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">8,692,000</ix:nonFraction></span> based on our eligible
receivables and includes a reduction in borrowing availability of approximately $<span id="xdx_90E_eus-gaap--LettersOfCreditOutstandingAmount_c20211231__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_pp0p0" title="Letters of credit outstanding, amount"><ix:nonFraction name="us-gaap:LettersOfCreditOutstandingAmount" contextRef="AsOf2021-12-31_us-gaap_RevolvingCreditFacilityMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">3,020,000</ix:nonFraction></span> from outstanding standby letters of credit.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s credit facility under its Loan Agreement, as amended, with PNC contains certain financial covenants, along with customary
representations and warranties. A breach of any of these financial covenants, unless waived by PNC, could result in a default under the
credit facility allowing our lender to immediately require the repayment of all outstanding debt under our credit facility and terminate
all commitments to extend further credit. The Company&#8217;s Loan Agreement prohibits us from paying cash dividends on our Common Stock
without prior approval from our lender. The Company met its financial covenant requirements in the first quarter of 2021. The Company&#8217;s
FCCR calculation in the first quarter of 2021 included the add-back of approximately $<span id="xdx_90F_ecustom--EligibleExpensesUnderPPPLoan_iI_c20211231__us-gaap--TypeOfArrangementAxis__custom--LoanAgreementMember_zoV5S0idNwk2"><ix:nonFraction name="PESI:EligibleExpensesUnderPPPLoan" contextRef="AsOf2021-12-31_custom_LoanAgreementMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">5,318,000</ix:nonFraction>
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">in eligible expenses that were incurred and covered
by the PPP Loan that the Company received in 2020 as permitted by the amendment dated May 4, 2021 to the Company&#8217;s Loan Agreement
as discussed above. The Company did not meet its FCCR requirement in the second quarter of 2021. However, this FCCR non-compliance was
waived by the Company&#8217;s lender pursuant to the amendment dated August 10, 2021 to the Company&#8217;s Loan Agreement as discussed
above. The Company was not required to test its FCCR for the third quarter 2021 pursuant to the August 10, 2021 amendment to the Loan
Agreement. The Company met its financial covenant requirements for the fourth quarter of 2021, with the exception of the FCCR requirement;
however, this non-compliance was waived by the Company&#8217;s lender pursuant to an amendment to our Loan Agreement dated March 29,
2022 (see &#8220;Note 21 - Subsequent Events &#8211; Credit Facility&#8221; for a discussion of this waiver and additional provisions
of this amendment).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>PPP
Loan</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
April 14, 2020, the Company entered into a promissory note under the PPP with PNC, our credit facility lender, which had a balance of
approximately $<span id="xdx_900_eus-gaap--LongTermDebt_iI_pp0p0_c20200414__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember__srt--TitleOfIndividualAxis__custom--LenderMember_zsQwXJ5nmUZi" title="Total debt"><ix:nonFraction name="us-gaap:LongTermDebt" contextRef="AsOf2020-04-14_custom_PaycheckProtectionProgramLoanMember_custom_LenderMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">5,318,000</ix:nonFraction></span> (the &#8220;PPP Loan&#8221;). The PPP was established under the CARES Act and is administered by the SBA. The
CARES Act was subsequently amended by the Flexibility Act. Proceeds from the promissory note was used by the Company for eligible payroll
costs, mortgage interest, rent and utility costs as permitted under the Flexibility Act. The annual interest rate on the PPP Loan is
<span id="xdx_90D_eus-gaap--DebtInstrumentInterestRateDuringPeriod_dp_uPure_c20200413__20200414__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zKWEMhfcwY6c" title="Debt interest rate"><ix:nonFraction name="us-gaap:DebtInstrumentInterestRateDuringPeriod" contextRef="From2020-04-132020-04-14_custom_PaycheckProtectionProgramLoanMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">1.0</ix:nonFraction>%</span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<ix:exclude><!-- Field: Page; Sequence: 65; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->63<!-- Field: /Sequence --></td></tr></table></div>
    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
October 5, 2020, the Company applied for forgiveness on repayment of the PPP Loan as permitted under the Flexibility Act. On July 1,
2021, the Company was notified by PNC that the entire balance of the PPP Loan of approximately $<span id="xdx_908_eus-gaap--DebtInstrumentDecreaseForgiveness_pp0p0_c20210614__20210615__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember__srt--TitleOfIndividualAxis__custom--LenderMember_zybxPvMaJs6c" title="Debt Instrument, Decrease, Forgiveness"><ix:nonFraction name="us-gaap:DebtInstrumentDecreaseForgiveness" contextRef="From2021-06-142021-06-15_custom_PaycheckProtectionProgramLoanMember_custom_LenderMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">5,318,000</ix:nonFraction></span>, along with accrued interest
of approximately $<span id="xdx_90B_ecustom--InterestForgiveness_pp0p0_c20210614__20210615__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember__srt--TitleOfIndividualAxis__custom--LenderMember_zDjzsMBdEtBg" title="Interest forgiveness"><ix:nonFraction name="PESI:InterestForgiveness" contextRef="From2021-06-142021-06-15_custom_PaycheckProtectionProgramLoanMember_custom_LenderMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">63,000</ix:nonFraction></span> was forgiven by the SBA, effective June 15, 2021. Accordingly, the Company recorded the entire forgiven PPP
Loan balance, along with accrued interest, totaling approximately $<span id="xdx_90E_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pp0p0_c20210101__20211231__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zoIjQscljnUh" title="Gain (loss) on extinguishment of debt"><ix:nonFraction name="us-gaap:GainsLossesOnExtinguishmentOfDebt" contextRef="From2021-01-012021-12-31_custom_PaycheckProtectionProgramLoanMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">5,381,000</ix:nonFraction></span> as &#8220;Gain on extinguishment of debt&#8221; on its Consolidated
Statement of Operations for the year ended 2021.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock"><p id="xdx_89E_eus-gaap--ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_z1SFKERHmdF5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table details the amount of the maturities of long-term debt maturing in future years at December 31, 2021 (excludes debt issuance
costs of $112,000).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B9_z1PGT6OX3U04" style="display: none">SCHEDULE OF MATURITIES OF LONG-TERM DEBT</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 50%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Year ending December 31:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; width: 54%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">(In thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 20%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2022</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_iI_pn3n3_maLT_c20211231_zNKJpTXTc4c1" title="2022" style="font-family: Times New Roman, Times, Serif; width: 20%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">441</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2023</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_981_eus-gaap--LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_iI_pn3n3_maLT_c20211231_ztEnQtbVd15e" title="2023" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">437</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2024</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_eus-gaap--LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_iI_pn3n3_maLT_c20211231_zRRZLLw66vef" title="2024" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">220</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">2025</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_iI_pn3n3_maLT_c20211231_zjZOeopi3REg" title="2025" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">7</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--DebtInstrumentCarryingAmount_iTI_pn3n3_mtLT_c20211231_z3oPgZ6eLGH5" title="Total" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:DebtInstrumentCarryingAmount" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,105</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>
<!-- Field: Split-Segment; Name: 002 -->
</ix:nonNumeric><p id="xdx_8A4_zShgLJbamEqj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock"><p id="xdx_80D_eus-gaap--AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_zEy56IrA5Pk6" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
11</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_82E_znpV5u9a1V3c">ACCRUED
EXPENSES</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -4.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock"><p id="xdx_894_eus-gaap--ScheduleOfAccruedLiabilitiesTableTextBlock_zyJqZDvrVU9a" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accrued
expenses include the following (in thousands) at December 31:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span id="xdx_8B7_zZVYroIuWY62" style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;SCHEDULE
OF ACCRUED EXPENSES</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49A_20211231_zl0IA3Mivlsj" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49A_20201231_zAbKjvbYRRVc" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_401_eus-gaap--EmployeeRelatedLiabilitiesCurrent_iI_pn3n3_maALCzxVW_z8EF0SKmvRgl" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Salaries and employee benefits</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:EmployeeRelatedLiabilitiesCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3,049</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:EmployeeRelatedLiabilitiesCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">4,203</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_405_eus-gaap--TaxesPayableCurrent_iI_pn3n3_maALCzxVW_zdlcRelFKAt1" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accrued sales, property and other tax</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:TaxesPayableCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">183</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:TaxesPayableCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">589</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_eus-gaap--InterestPayableCurrent_iI_pn3n3_maALCzxVW_zwcjj1H9QLDe" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Interest payable</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:InterestPayableCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:InterestPayableCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">50</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_eus-gaap--AccruedInsuranceCurrent_iI_pn3n3_maALCzxVW_zxftFQl99kE8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Insurance payable</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccruedInsuranceCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,209</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccruedInsuranceCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,145</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_408_eus-gaap--OtherAccruedLiabilitiesCurrent_iI_pn3n3_maALCzxVW_zwX5PCSd4p89" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Other</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OtherAccruedLiabilitiesCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">634</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OtherAccruedLiabilitiesCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">394</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_406_eus-gaap--AccruedLiabilitiesCurrent_iTI_pn3n3_mtALCzxVW_zNpgAU09Llja" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total
    accrued expenses</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccruedLiabilitiesCurrent" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">5,078</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AccruedLiabilitiesCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">6,381</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

</ix:nonNumeric><p id="xdx_8AA_zP1uYqjO4aj4" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accrued
expenses for 2020 included an aggregate of approximately $<span id="xdx_90F_eus-gaap--OfficersCompensation_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandTwentyManagementIncentivePlanMember_zqQZmi01d9me" title="Compensation expenses accrued"><ix:nonFraction name="us-gaap:OfficersCompensation" contextRef="From2021-01-012021-12-31_custom_TwoThousandTwentyManagementIncentivePlanMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">419,000</ix:nonFraction></span> in compensation expenses accrued under 2020 MIPs for our executive
officers which was paid in July 2021.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:AssetRetirementObligationDisclosureTextBlock"><p id="xdx_80B_eus-gaap--AssetRetirementObligationDisclosureTextBlock_zeKxLmICA277" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
12</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_821_z3d1U6X0uNw3">ACCRUED
CLOSURE COSTS AND ARO</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ScheduleOfChangeInAssetRetirementObligationTableTextBlock"><p id="xdx_891_eus-gaap--ScheduleOfChangeInAssetRetirementObligationTableTextBlock_zbXUa0EXcW7d" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accrued
closure costs represent our estimated environmental liability to clean up our fixed-based regulated facilities as required by our permits,
in the event of closure. Changes to reported closure liabilities (current and long-term) for the years ended December 31, 2021 and 2020,
were as follows:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;<span id="xdx_8B2_ztAjkZwbF9y9" style="display: none">SCHEDULE
OF CHANGE IN ASSET RETIREMENT OBLIGATION</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 50%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Amounts in thousands</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 76%"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2019</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--AssetRetirementObligation_iS_pn3n3_c20200101__20201231_zvTz40Uyoqia" title="Balance at beginning" style="font-family: Times New Roman, Times, Serif; width: 20%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AssetRetirementObligation" contextRef="AsOf2019-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">6,041</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accretion expense</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--AssetRetirementObligationAccretionExpense_pn3n3_c20200101__20201231_zLYtNtCYSVg6" title="Accretion expense" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AssetRetirementObligationAccretionExpense" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">335</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Spending</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--AssetRetirementObligationLiabilitiesSettled_iN_pn3n3_di_c20200101__20201231_z3gG6KMKhve5" title="Spending" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:AssetRetirementObligationLiabilitiesSettled" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">11</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--AssetRetirementObligation_iS_pn3n3_c20210101__20211231_zoqtLgxO5bCh" title="Balance at beginning" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AssetRetirementObligation" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">6,365</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accretion expense</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--AssetRetirementObligationAccretionExpense_pn3n3_c20210101__20211231_zgMdAGT71Q88" title="Accretion expense" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AssetRetirementObligationAccretionExpense" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">377</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Addition to closure liability</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98A_ecustom--AdditionToClosureLiability_pn3n3_c20210101__20211231_z3r0HEVCs844" title="Addition to closure liability." style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:AdditionToClosureLiability" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">499</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Spending</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--AssetRetirementObligationLiabilitiesSettled_iN_pn3n3_di_c20210101__20211231_zA72uzZNIyPk" title="Spending" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:AssetRetirementObligationLiabilitiesSettled" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">50</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td title="Balance at end" id="xdx_989_eus-gaap--AssetRetirementObligation_iE_pn3n3_c20210101__20211231_zecSWmgyUORb" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:AssetRetirementObligation" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">7,191</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

</ix:nonNumeric><p id="xdx_8A0_z8D48HqmCbyg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 117pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<ix:exclude><!-- Field: Page; Sequence: 66; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->64<!-- Field: /Sequence --></td></tr></table></div>
    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
addition to closure liabilities for 2021 reflects primarily estimated costs for decommissioning activities required to restore the leased
property at our EWOC facility back to its original condition at the end of its lease term. As of December 31, 2021, current portion of
the closure liabilities totaled approximately $<span id="xdx_90C_eus-gaap--AccruedCappingClosurePostClosureAndEnvironmentalCosts_iI_c20211231_zmeZpf1GUUlj" title="Accrued closure costs - current"><ix:nonFraction name="us-gaap:AccruedCappingClosurePostClosureAndEnvironmentalCosts" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">578,000</ix:nonFraction></span> which consists primarily of the closure liabilities for our EWOC facility.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="PESI:ScheduleOfAssetRetirementObligationTableTextBlock"><p id="xdx_898_ecustom--ScheduleOfAssetRetirementObligationTableTextBlock_zsIlzQUAvSra" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
reported closure asset or ARO, is reported as a component of &#8220;Net Property and equipment&#8221; in the Consolidated Balance Sheets
at December 31, 2021 and 2020 with the following activity for the years ended December 31, 2021 and 2020:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;<span id="xdx_8B0_zDMsKwH1UkVj" style="display: none">SCHEDULE
OF ASSET RETIREMENT OBLIGATIONS</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 70%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Amounts in thousands</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 78%"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2019</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_ecustom--ClosureAndPostClosureAssets_iS_pn3n3_c20200101__20201231_zxIIfWGYcv24" title="Balance at beginning" style="font-family: Times New Roman, Times, Serif; width: 18%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:ClosureAndPostClosureAssets" contextRef="AsOf2019-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3,539</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Amortization of closure
    and post-closure asset</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_ecustom--AmortizationOfClosureAndPostClosureAsset_pn3n3_c20200101__20201231_zosYWoyu6m2b" title="Amortization of closure and post-closure asset" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="PESI:AmortizationOfClosureAndPostClosureAsset" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">191</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_ecustom--ClosureAndPostClosureAssets_iS_pn3n3_c20210101__20211231_zoPdBY92PPa9" title="Balance at beginning" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:ClosureAndPostClosureAssets" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3,348</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Addition to closure and post-closure asset</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_ecustom--AdditionToClosureAndPostClosureAsset_pn3n3_c20210101__20211231_zG8DLRDXoEjk" title="Addition to closure and post-closure asset" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:AdditionToClosureAndPostClosureAsset" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">478</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Amortization of closure
    and post-closure asset</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td title="Amortization of closure and post-closure asset" id="xdx_982_ecustom--AmortizationOfClosureAndPostClosureAsset_pn3n3_c20210101__20211231_zCMXgVuijnbb" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="PESI:AmortizationOfClosureAndPostClosureAsset" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">250</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_ecustom--ClosureAndPostClosureAssets_iE_pn3n3_c20210101__20211231_zHe4ZSN8G5l3" title="Balance at end" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:ClosureAndPostClosureAssets" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3,576</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

</ix:nonNumeric><p id="xdx_8A0_zC8oYnPIMPhb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 103.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
addition to ARO reflects closure obligations related to our EWOC facility as discussed above.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:IncomeTaxDisclosureTextBlock"><p id="xdx_808_eus-gaap--IncomeTaxDisclosureTextBlock_z3XyZx2geNQe" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
13</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_827_zZos7IA6sYih">INCOME
TAXES</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock"><p id="xdx_898_eus-gaap--ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_zvsjIlEBQbbf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
components of (loss) income before income tax benefits by jurisdiction for continuing operations for the years ended December 31, consisted
of the following (in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;<span id="xdx_8B1_z8QCcgCCTk2g" style="display: none">SCHEDULE
OF INCOME (LOSS) BEFORE INCOME TAX (BENEFIT) EXPENSE</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 80%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">United States</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__srt--StatementGeographicalAxis__country--US_zGFg6g5xDy0g" title="Income before tax (benefit) expense" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="From2021-01-012021-12-31_country_US" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">1,733</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_981_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__srt--StatementGeographicalAxis__country--US_z8kUTdXTHDi9" title="Income before tax (benefit) expense" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="From2020-01-012020-12-31_country_US" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">4,778</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Canada</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__srt--StatementGeographicalAxis__country--CA_znqFkBs5JwUh" title="Income before tax (benefit) expense" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="From2021-01-012021-12-31_country_CA" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">1,880</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_986_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__srt--StatementGeographicalAxis__country--CA_zBFRLNqXU3Wb" title="Income before tax (benefit) expense" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="From2020-01-012020-12-31_country_CA" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">1,391</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">United Kingdom</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__srt--StatementGeographicalAxis__country--GB_zV4nGC5behm4" title="Income before tax (benefit) expense" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="From2021-01-012021-12-31_country_GB" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">246</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98B_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__srt--StatementGeographicalAxis__country--GB_zgPqCru2Oj0d" title="Income before tax (benefit) expense" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="From2020-01-012020-12-31_country_GB" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">121</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Poland</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_981_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__srt--StatementGeographicalAxis__country--PL_zeC45FbHzto6" title="Income before tax (benefit) expense" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="From2021-01-012021-12-31_country_PL" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,061</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__srt--StatementGeographicalAxis__country--PL_z5CLUQovfaHg" title="Income before tax (benefit) expense" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="From2020-01-012020-12-31_country_PL" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">306</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total
    (loss) income before tax benefit</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231_zM8d9HGkK8Rb" title="Income before tax (benefit) expense" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">2,798</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231_zBIsK134kNJh" title="Income before tax (benefit) expense" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,960</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

</ix:nonNumeric><p id="xdx_8A9_zz2TyxSaBrW5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock"><p id="xdx_899_eus-gaap--ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_zjgrXWTTAPT5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
components of current and deferred federal and state income tax (benefits) expense for continuing operations for the years ended December
31, consisted of the following (in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;<span id="xdx_8BB_zL1pIL7VOJJ1" style="display: none">SCHEDULE
OF COMPONENTS OF INCOME TAX (BENEFIT) EXPENSE</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 80%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_499_20210101__20211231_z5QIJ2i5PFO4" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_491_20200101__20201231_zlbUVkbWcMW9" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_eus-gaap--DeferredFederalIncomeTaxExpenseBenefit_pn3n3_zsrgaHC9qaV2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Federal income tax (benefit) expense
    - deferred</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:DeferredFederalIncomeTaxExpenseBenefit" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">3,503</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:DeferredFederalIncomeTaxExpenseBenefit" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">4</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_eus-gaap--CurrentStateAndLocalTaxExpenseBenefit_pn3n3_zdZ0Y7298T8h" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">State income tax benefit - current</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:CurrentStateAndLocalTaxExpenseBenefit" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">56</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:CurrentStateAndLocalTaxExpenseBenefit" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">70</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_40C_eus-gaap--ForeignIncomeTaxExpenseBenefitContinuingOperations_pn3n3_zIntjL4Bda7f" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Foreign income tax expense - current</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:ForeignIncomeTaxExpenseBenefitContinuingOperations" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">26</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1826">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_403_eus-gaap--DeferredStateAndLocalIncomeTaxExpenseBenefit_pn3n3_zB9t1H7tTJQf" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">State income tax benefit
    - deferred</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">357</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">123</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_40E_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_zzX5Lim6l7zi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total
    income tax benefit</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeTaxExpenseBenefit" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">3,890</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeTaxExpenseBenefit" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">189</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  </table>

</ix:nonNumeric><p id="xdx_8AE_zzn13A20mFG6" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<ix:exclude><!-- Field: Page; Sequence: 67; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->65<!-- Field: /Sequence --></td></tr></table></div>
    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock"><p id="xdx_89B_eus-gaap--ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_zCb7zltXSXNe" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">An
overall reconciliation between the expected tax benefit using the federal statutory rate of 21% for each of the years ended 2021 and
2020 and the benefit for income taxes from continuing operations as reported in the accompanying Consolidated Statement of Operations
is provided below (in thousands).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;<span id="xdx_8B1_z4chcFeUeSO7" style="display: none">SCHEDULE
OF EFFECTIVE INCOME TAX RATE RECONCILIATION</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 90%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_490_20210101__20211231_zBDETspWTGzg" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49C_20200101__20201231_zWuGxaVJicEk" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40B_eus-gaap--IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_pn3n3_zSPU08tKvhZd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Federal tax (benefit) expense at
    statutory rate</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">588</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">622</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_eus-gaap--IncomeTaxReconciliationStateAndLocalIncomeTaxes_pn3n3_z13WyOPJ84X6" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">State tax benefit, net of federal benefit</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">412</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">192</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_401_ecustom--IncomeTaxReconciliationChangeInDeferredTaxAssets_pn3n3_zGqdAG78N0u2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Change in deferred tax rates</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="PESI:IncomeTaxReconciliationChangeInDeferredTaxAssets" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">93</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="PESI:IncomeTaxReconciliationChangeInDeferredTaxAssets" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">71</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_407_eus-gaap--IncomeTaxReconciliationNondeductibleExpense_pn3n3_z3Mg1GMQ2Eyi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:IncomeTaxReconciliationNondeductibleExpense" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">126</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1849">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">True-up of deferred tax items</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Decrease in valuation
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</ix:nonNumeric><p id="xdx_8A3_z4Figi4eY7Jl" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">During
the fourth quarter of 2021, the Company sold PFM Poland resulting from its decision to cease all R&amp;D activities under its Medical
Segment. Prior to the sale, the Company purchased Perma-Fix Medical LLC which was converted from PFMC, a wholly-owned subsidiary of PFM
Poland. Perma-Fix Medical LLC was treated as a disregarded entity for tax purposes, resulting in a realized tax loss of $<span id="xdx_90F_eus-gaap--IncomeTaxExpenseBenefit_c20211001__20211231__us-gaap--TypeOfArrangementAxis__custom--PFMPolandMember_zDmcDAHuswK5" title="Income Tax Expense (Benefit)"><ix:nonFraction name="us-gaap:IncomeTaxExpenseBenefit" contextRef="From2021-10-012021-12-31_custom_PFMPolandMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">2,466,000</ix:nonFraction></span> from
uncollected payables. As a condition of the sale of PFM Poland, the Company forgave its receivables from PFM Poland resulting in a $<span id="xdx_908_eus-gaap--GainOrLossOnSaleOfStockInSubsidiary_c20210101__20211231__us-gaap--TypeOfArrangementAxis__custom--PFMPolandMember_zSZR5M6r0teh" title="Gain (loss) on sale of stock in subsidiary"><ix:nonFraction name="us-gaap:GainOrLossOnSaleOfStockInSubsidiary" contextRef="From2021-01-012021-12-31_custom_PFMPolandMember182929656" format="ixt:numdotdecimal" decimals="0" unitRef="USD">3,089,000</ix:nonFraction></span>
capital loss on the sale of <span id="xdx_90D_ecustom--SalesOfInterestPercentage_dp_c20211001__20211231__us-gaap--TypeOfArrangementAxis__custom--PFMPolandMember_zhmcyMT5Sem4" title="Sales Of Interest Percentage."><ix:nonFraction name="PESI:SalesOfInterestPercentage" contextRef="From2021-10-012021-12-31_custom_PFMPolandMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">100</ix:nonFraction></span>% interest of PFM Poland stock (see &#8220;Note 14 &#8211; PF Medical for a discussion on the sale of
PFM Poland).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company regularly assesses the likelihood that the deferred tax asset will be recovered from future taxable income. The Company considers
projected future taxable income and ongoing tax planning strategies, then records a valuation allowance to reduce the carrying value
of the net deferred income taxes to an amount that is more likely than not to be realized. For the year ended December 31, 2020, the
Company maintained a full valuation allowance against net deferred income tax assets because insufficient evidence existed to support
the realization of any future income tax benefits. Since the end of the second quarter of 2021, however, the Company entered into a number
of new contracts awarded to the Company&#8217;s Services Segment (including a contract award with a value of approximately $<span id="xdx_904_ecustom--DecommissioningValue_c20210101__20211231_zVlfzMmKaLc"><ix:nonFraction name="PESI:DecommissioningValue" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">40,000,000</ix:nonFraction>
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">for the decommissioning of a navy ship). As a
result of these new contracts, the Company expected future profitability and improved overall prospects of future business.
As such, as of September 30, 2021, the Company determined that it was more likely than not that it would be able to realize
a portion of the deferred income tax assets. As a result, a deferred income tax benefit in the amount of approximately $<span id="xdx_90A_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_c20210701__20210930_zrbLeHYCR9T"><ix:nonFraction name="us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" contextRef="From2021-07-012021-09-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">2,351,000</ix:nonFraction>
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">attributable to the valuation allowance release
on beginning of year deferred tax assets primarily related to U.S. Federal income taxes was realized in the three months ended September
30, 2021. The Company continues to maintain a valuation allowance against certain state and foreign tax attributes that may not be realizable
along with the capital loss carryover generated during 2021 that it does not expect to realize.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
global intangible low-taxed income (&#8220;GILTI&#8221;) provisions under the Tax Cuts and Jobs Act of 2017 (the &#8220;TCJA&#8221;)
require the Company to include in its U.S. income tax return foreign subsidiary earnings in excess of an allowable return on the foreign
subsidiary&#8217;s tangible assets. The Company has elected to account for GILTI tax in the period in which it is incurred, and therefore
has not provided any deferred tax impacts of GILTI in its consolidated financial statements for the years ended December 31, 2021 and
2020. As the Canada and United Kingdom foreign subsidiaries are in loss positions for 2021, no GILTI inclusion is expected for these
entities for the current year. In addition, the aforementioned sale of PFM Poland is not expected to result in any GILTI inclusion.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
March 27, 2020, the CARES Act was enacted and signed into law. The CARES Act included a number of income tax law changes, including modifications
to the interest limitation under Internal Revenue Code (&#8220;IRC&#8221;) &#167;163(j) and reinstatement of the ability to carry back
net operating losses. On July 1, 2021, the Company received forgiveness of its PPP Loan which is included in its Consolidated Statement
of Operations as &#8220;Gain on extinguishment of debt&#8221; but is exempt from income taxes.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<ix:exclude><!-- Field: Page; Sequence: 68; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->66<!-- Field: /Sequence --></td></tr></table></div>
    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock"><p id="xdx_893_eus-gaap--ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_zER9EJTuuAEd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company had temporary differences and net operating loss carry forwards from both our continuing and discontinued operations, which gave
rise to deferred tax assets and liabilities at December 31, 2021 and 2020 as follows (in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;<span id="xdx_8BE_zEh05S3E8iW8" style="display: none">SCHEDULE
OF DEFERRED TAX ASSETS AND LIABILITIES</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif"></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_494_20211231_z0lqxuRPOPEg" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49A_20201231_zIZjeckP5Haa" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif">Deferred tax assets:</td><td style="font-family: Times New Roman, Times, Serif">&#160;</td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center">&#160;</td><td style="font-family: Times New Roman, Times, Serif">&#160;</td><td style="font-family: Times New Roman, Times, Serif">&#160;</td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center">&#160;</td><td style="font-family: Times New Roman, Times, Serif">&#160;</td></tr>
  <tr id="xdx_406_eus-gaap--DeferredTaxAssetsOperatingLossCarryforwards_iI_pn3n3_maDTAGzsp1_zH8W7avaAmp4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Net operating
    losses</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:DeferredTaxAssetsOperatingLossCarryforwards" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">8,662</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40F_eus-gaap--DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals_iI_pn3n3_maDTAGzsp1_zfBMa0baPK" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Environmental and closure
    reserves</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,040</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,839</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_402_ecustom--DeferredTaxAssetsLeaseLiability_iI_pn3n3_maDTAGzsp1_zuOIdnuGG2Z" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Lease liability</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:DeferredTaxAssetsLeaseLiability" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">575</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:DeferredTaxAssetsLeaseLiability" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">642</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_405_ecustom--CapitalLossCarryforward_iI_pn3n3_maDTAGzsp1_zr2ynlsxcA46" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Capital loss carryforward</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:CapitalLossCarryforward" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">740</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1889">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_eus-gaap--DeferredTaxAssetsOther_iI_pn3n3_maDTAGzsp1_zwGtPLq6kdX" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif">Other</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:DeferredTaxAssetsOther" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,099</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:DeferredTaxAssetsOther" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,734</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Deferred tax liabilities:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_eus-gaap--DeferredTaxLiabilitiesPropertyPlantAndEquipment_iNI_pn3n3_di_msDTAGzsp1_zlWtBMILDYpd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Depreciation and amortization</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3,362</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3,447</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_40E_ecustom--IndefiniteLivedIntangibleAssets_iNI_pn3n3_di_msDTAGzsp1_zJMHbwndo9t5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Indefinite lived intangible
    assets</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="PESI:IndefiniteLivedIntangibleAssets" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">464</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="PESI:IndefiniteLivedIntangibleAssets" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">471</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_402_ecustom--DeferredTaxLiabilitiesRightofuseLeaseAsset_iNI_pn3n3_di_msDTAGzsp1_zdjnBYhAFo6b" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Right-of-use lease asset</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="PESI:DeferredTaxLiabilitiesRightofuseLeaseAsset" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">583</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="PESI:DeferredTaxLiabilitiesRightofuseLeaseAsset" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">627</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_40C_ecustom--DeferredTaxLiabilitiesAdjustment_iNI_pn3n3_di_msDTAGzsp1_z5Tobe13uoXc" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif">481(a) adjustment</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="PESI:DeferredTaxLiabilitiesAdjustment" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">104</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="PESI:DeferredTaxLiabilitiesAdjustment" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">209</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_402_eus-gaap--DeferredTaxLiabilitiesPrepaidExpenses_iNI_pn3n3_di_msDTAGzsp1_zlNlCADUmxx8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Prepaid
    expenses</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:DeferredTaxLiabilitiesPrepaidExpenses" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">24</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:DeferredTaxLiabilitiesPrepaidExpenses" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">22</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_400_eus-gaap--DeferredTaxAssetsGross_iTI_pn3n3_mtDTAGzsp1_zIjMNoJJgMK7" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Deferred
    tax assets, gross&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:DeferredTaxAssetsGross" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">9,974</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:DeferredTaxAssetsGross" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">8,101</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_eus-gaap--DeferredTaxAssetsValuationAllowance_iNI_pn3n3_di_zJV5mGwBVu46" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Valuation
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    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="PESI:DeferredTaxAssetsLiabilities" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">471</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
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</ix:nonNumeric><p id="xdx_8A7_zP0rb2PwHcsg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company has estimated net operating loss carryforwards (&#8220;NOLs&#8221;) for federal and state income tax purposes of approximately
$<span id="xdx_907_eus-gaap--OperatingLossCarryforwards_iI_c20211231__us-gaap--IncomeTaxAuthorityAxis__us-gaap--DomesticCountryMember_zuEyyHJyLun3"><ix:nonFraction name="us-gaap:OperatingLossCarryforwards" contextRef="AsOf2021-12-31_us-gaap_DomesticCountryMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">19,920,000</ix:nonFraction>
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">and $<span id="xdx_905_eus-gaap--OperatingLossCarryforwards_iI_c20211231__us-gaap--IncomeTaxAuthorityAxis__us-gaap--StateAndLocalJurisdictionMember_zTICc6bwNlwl"><ix:nonFraction name="us-gaap:OperatingLossCarryforwards" contextRef="AsOf2021-12-31_us-gaap_StateAndLocalJurisdictionMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">72,767,000</ix:nonFraction></span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">,
respectively, as of December 31, 2021. These NOLs can be carried forward and applied against future taxable income, if any, and <span id="xdx_90F_ecustom--IncomeTaxExpirationDescription_c20210101__20211231_zpeq1enFN6tb"><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" name="PESI:IncomeTaxExpirationDescription">expire
in various amounts starting in 2021</ix:nonNumeric></span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">. Approximately
$<span id="xdx_90F_eus-gaap--DeferredTaxAssetsOperatingLossCarryforwards_iI_c20211231__us-gaap--IncomeTaxAuthorityAxis__us-gaap--DomesticCountryMember_zlq62vpX1sqe"><ix:nonFraction name="us-gaap:DeferredTaxAssetsOperatingLossCarryforwards" contextRef="AsOf2021-12-31_us-gaap_DomesticCountryMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">19,725,000</ix:nonFraction>
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">of our federal NOLs were generated after
December 31, 2017 and thus do not expire.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
tax years 2018 through 2020 remain open to examination by taxing authorities in the jurisdictions in which the Company operates.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90A_eus-gaap--UnrecognizedTaxBenefits_iI_do_c20211231_zadA3TAXVKmj" title="Uncertain tax positions"><ix:nonFraction name="us-gaap:UnrecognizedTaxBenefits" contextRef="AsOf2021-12-31" format="ixt-sec:numwordsen" decimals="0" unitRef="USD">No</ix:nonFraction></span>
uncertain tax positions were identified by the Company for the years currently open under statute of limitations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company had <span id="xdx_906_eus-gaap--FederalIncomeTaxExpenseBenefitContinuingOperations_do_c20210101__20211231_zCnljGmhBmo9" title="Federal income tax payable"><span id="xdx_90E_eus-gaap--FederalIncomeTaxExpenseBenefitContinuingOperations_do_c20200101__20201231_zd1oW21ieGEe" title="Federal income tax payable"><ix:nonFraction name="us-gaap:FederalIncomeTaxExpenseBenefitContinuingOperations" contextRef="From2021-01-01to2021-12-31" format="ixt-sec:numwordsen" decimals="0" unitRef="USD"><ix:nonFraction name="us-gaap:FederalIncomeTaxExpenseBenefitContinuingOperations" contextRef="From2020-01-012020-12-31" format="ixt-sec:numwordsen" decimals="0" unitRef="USD">no</ix:nonFraction></ix:nonFraction></span></span> federal income tax payable for the years ended December 31, 2021 and 2020.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="PESI:PFMedicalTextBlock"><p id="xdx_80D_ecustom--PFMedicalTextBlock_zMTF0DCNVESd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
14</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_82F_zVG07sdF17Sb">PF
MEDICAL</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"></p><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
                                            previously disclosed, the Company made the strategic decision during the fourth quarter to
                                            cease all R&amp;D activities under its Medical Segment. The Medical Segment conducted its
                                            activities through the Company&#8217;s majority-owned Polish subsidiary, PFM Poland and PFM
                                            Poland&#8217;s wholly-owned subsidiary PFMC, a Delaware corporation. On December 30, 2021,
                                            the Company entered into a Sales of Shares Agreement (the &#8220;sales agreement&#8221;)
                                            for its entire stock ownership (<span id="xdx_901_eus-gaap--EquityMethodInvestmentOwnershipPercentage_iI_dp_c20211230__us-gaap--TypeOfArrangementAxis__custom--SalesAgreementMember_ziJGTeb3TUE6"><ix:nonFraction name="us-gaap:EquityMethodInvestmentOwnershipPercentage" contextRef="AsOf2021-12-30_custom_SalesAgreementMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">60.54</ix:nonFraction>%</span>) of PFM Poland for notes receivable of approximately
                                            $<span id="xdx_90E_eus-gaap--NotesReceivableNet_iI_c20211230__us-gaap--TypeOfArrangementAxis__custom--SalesAgreementMember_z6IeUSUHUch6" title="Notes receivable, amount"><ix:nonFraction name="us-gaap:NotesReceivableNet" contextRef="AsOf2021-12-30_custom_SalesAgreementMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">47,000</ix:nonFraction></span> (USD). The notes receivable will be paid to the Company by the buyer on the earlier
                                            of either twelve months from the closing date or within three days of a resale of the shares
                                            by the buyer. As condition precedent to the sales agreement, the Company released PFM Poland
                                            from unsatisfied trade payables owed by PFM Poland to the Company totaling approximately
                                            $<span id="xdx_903_eus-gaap--AccountsPayableTradeCurrent_iI_c20211230__us-gaap--TypeOfArrangementAxis__custom--SalesAgreementMember_z8eLShdRHTVb" title="Trade payables"><ix:nonFraction name="us-gaap:AccountsPayableTradeCurrent" contextRef="AsOf2021-12-30_custom_SalesAgreementMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">2,537,000</ix:nonFraction></span> (USD). The Company will have no continuing involvement with PFM Poland other than
                                            administrative requirements, as applicable, through the completion of PFM Poland&#8217;s
                                            2021 Polish year-end financial audit, which is expected to be completed in late May 2022.</span></p>



<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<ix:exclude><!-- Field: Page; Sequence: 69; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->67<!-- Field: /Sequence --></td></tr></table></div>
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    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Immediately before the sales agreement was executed,
the Company converted PFMC from a S Corporation to a limited liability company (Perm-Fix Medical LLC or &#8220;PFM LLC&#8221;) and acquired
the entire ownership from the majority-owned Polish subsidiary for $<span id="xdx_900_ecustom--AcquiredPrice_iI_pid_c20211231__us-gaap--TypeOfArrangementAxis__custom--SalesAgreementMember_zc9NcJBPbIuc" title="Acquired price"><ix:nonFraction name="PESI:AcquiredPrice" contextRef="AsOf2021-12-31_custom_SalesAgreementMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">10</ix:nonFraction></span>. The transaction was deemed to be a common control transaction
and all assets and liabilities were transferred using the historical carrying values in accordance with guidance in ASC 805-50-25, &#8220;Business
Combinations, Related Issues, Recognition.&#8221; The carrying amount of the non-controlling interest was adjusted to reflect the change
in the ownership of the subsidiary. As a result, approximately $<span id="xdx_90C_eus-gaap--MinorityInterest_iI_pid_c20211231__us-gaap--TypeOfArrangementAxis__custom--SalesAgreementMember_zttibWkr6d0f" title="non-controlling interest"><ix:nonFraction name="us-gaap:MinorityInterest" contextRef="AsOf2021-12-31_custom_SalesAgreementMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">1,004,000</ix:nonFraction></span> of the non-controlling interest related to the cumulative loss
of PFM LLC was recognized as additional paid-in capital on the Company&#8217;s Consolidated Statements of Stockholders&#8217; Equity and
approximately $<span id="xdx_90E_eus-gaap--DeconsolidationGainOrLossAmount_iN_di_c20210101__20211231__us-gaap--TypeOfArrangementAxis__custom--SalesAgreementMember_zMJ8nyQ4vxr6" title="Loss on deconsolidation of subsidiary (Note 14)"><ix:nonFraction name="us-gaap:DeconsolidationGainOrLossAmount" contextRef="From2021-01-012021-12-31_custom_SalesAgreementMember" format="ixt:numdotdecimal" decimals="0" sign="-" unitRef="USD">902,000</ix:nonFraction></span> was recognized as a component within &#8220;Loss on deconsolidation of subsidiary&#8221; recorded on the Company&#8217;s
Consolidated Statement of Operations.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">As a result, effective December 30, 2021, PFM Poland
was no longer a subsidiary of the Company and the Company deconsolidated the entity from its consolidated financial statements in accordance
with guidance in ASC 810-10-40, &#8220;Consolidation, Overall, Derecognition.<i>&#8221; </i>Accordingly, the Company&#8217;s Consolidated
Balance Sheet at December 31, 2020, as reported, includes the consolidated assets and liabilities after intercompany eliminations for
PFM Poland. However, the December 31, 2021 Consolidated Balance Sheet does not in include balances due to the sale and deconsolidation
of PFM Poland. In addition, the Company&#8217;s Consolidated Statements of Operations include results of its majority-owned Polish subsidiary
for the period through December 30, 2021.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The Company recognized a non-cash &#8220;Loss on deconsolidation
of subsidiary&#8221; of approximately $<span id="xdx_908_eus-gaap--DeconsolidationGainOrLossAmount_iN_di_c20210101__20211231_zqDILKLIUAG9" title="Loss on deconsolidation of subsidiary (Note 14)"><ix:nonFraction name="us-gaap:DeconsolidationGainOrLossAmount" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="0" sign="-" unitRef="USD">1,062,000</ix:nonFraction></span> on its Consolidated Statements of Operation from the above transaction. The loss included
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="PESI:ScheduleOfLossOnDeconsolidationTableTextBlock"><p id="xdx_892_ecustom--ScheduleOfLossOnDeconsolidationTableTextBlock_zDwWYHUMlQA8" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B9_zt7fXTiWDGUi" style="display: none">SCHEDULE
OF LOSS ON DECONSOLIDATION</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 70%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(In thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 18%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:NoteReceivableConsiderationReceived" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">47</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Less:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    loss</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:CarryingAmountOfAccumulatedOtherComprehensiveLoss" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">148</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_409_ecustom--NetLiabilities_pn3n3_z1oRLAhEkJr1" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Net liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="PESI:NetLiabilities" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">35</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_406_ecustom--TransactionCosts_pn3n3_zrIiGtkztEBa" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Transaction costs</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="PESI:TransactionCosts" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">94</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Loss on deconsolidation
    of subsidiary</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:DeconsolidationGainOrLossAmount" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">1,062</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  </table>
<!-- Field: Split-Segment; Name: 003 -->
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 58.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

</ix:nonNumeric></ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:CommitmentsAndContingenciesDisclosureTextBlock"><p id="xdx_802_eus-gaap--CommitmentsAndContingenciesDisclosureTextBlock_zA2XW9sgKNwj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
15</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_82C_z0iE3z1dpZA8">COMMITMENTS
AND CONTINGENCIES</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Hazardous
Waste</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
connection with our waste management services, the Company processes both hazardous and non-hazardous waste, which we transport to our
own, or other, facilities for destruction or disposal. As a result of disposing of hazardous substances, in the event any cleanup is
required at the disposal site, the Company could be a potentially responsible party for the costs of the cleanup notwithstanding any
absence of fault on our part.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Legal
Matters</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
the normal course of conducting our business, we are involved in various litigation. We are not a party to any litigation or governmental
proceeding which our management believes could result in any judgments or fines against us that could would have a material adverse effect
on our financial position, liquidity or results of future operations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Tetra
Tech EC, Inc. (&#8220;Tetra Tech&#8221;)</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">During
July 2020, Tetra Tech EC, Inc. (&#8220;Tetra Tech&#8221;) filed a complaint in the United States District Court for the Northern District
of California (the &#8220;Court&#8221;) against CH2M Hill, Inc. (&#8220;CH2M&#8221;) and four subcontractors of CH2M, including the Company
(&#8220;Defendants&#8221;). The complaint alleges various claims, including a claim for negligence, negligent misrepresentation, equitable
indemnification and related business claims against all defendants related to alleged damages suffered by Tetra Tech in respect of certain
draft reports prepared by defendants at the request of the U.S. Navy as part of an investigation and review of certain whistleblower
complaints about Tetra Tech&#8217;s environmental restoration at the Hunter&#8217;s Point Naval Shipyard in San Francisco.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<ix:exclude><!-- Field: Page; Sequence: 70; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->68<!-- Field: /Sequence --></td></tr></table></div>
    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">CH2M
was hired by the Navy in 2016 to review Tetra Tech&#8217;s work. CH2M subcontracted with environmental consulting and cleanup firms Battelle
Memorial Institute, Cabrera Services, Inc., SC&amp;A, Inc. and the Company to assist with the review, according to the complaint.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
insurance carrier is providing a defense on our behalf in connection with this lawsuit, subject to a $<span id="xdx_908_ecustom--SelfinsuredRetention_c20210101__20211231_zcLMRIWOgLY5" title="Self-insured retention"><ix:nonFraction name="PESI:SelfinsuredRetention" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">100,000</ix:nonFraction></span> self-insured retention
and the terms and limitations contained in the insurance policy.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
January 7, 2021, Defendants&#8217; motion to dismiss the complaint in its entirety was granted without prejudice, with leave to amend.
Tetra Tech subsequently filed a First Amended Complaint (&#8220;FAC&#8221;) and Defendants filed a motion to dismiss Tetra Tech&#8217;s
FAC. Tetra Tech filed an opposition to Defendant&#8217;s motion to dismiss Tetra Tech&#8217;s FAC. Defendants, subsequently filed a joint
reply to Tetra Tech&#8217;s motion in opposition. On January 27, 2022 a decision and Order on Defendants&#8217; motion to dismiss was
issued by the Court, which dismissed some claims, allowed for the potential amendment of other claims and declined to dismiss other claims
at this time. The Company continues to believe it does not have any liability to Tetra Tech.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>PF
Canada</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">During
the fourth quarter of 2021, PF Canada received a Notice of Termination (&#8220;NOT&#8221;) from Canadian Nuclear Laboratories, LTD. (&#8220;CNL&#8221;)
on a Task Order Agreement (&#8220;TOA&#8221;) that PF Canada entered into with CNL in May 2019 for remediation work within Ontario, Canada
(&#8220;Agreement&#8221;). The NOT was received after work under the TOA was substantially completed. CNL may terminate the TOA at any
time for convenience. As of December 31, 2021, PF Canada has approximately $<span id="xdx_90D_ecustom--UnpaidReceivablesAndUnbilledCosts_c20210101__20211231__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--CanadianNuclearLaboratoriesLTDMember_zu0kI2PrQ2yi"><ix:nonFraction name="PESI:UnpaidReceivablesAndUnbilledCosts" contextRef="From2021-01-012021-12-31_custom_CanadianNuclearLaboratoriesLTDMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">2,640,000</ix:nonFraction>
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">in unpaid receivables and unbilled costs
due from CNL as a result of work performed under the TOA. Additionally, CNL has approximately $<span id="xdx_905_eus-gaap--AccountsReceivableNetCurrent_iI_c20211231__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--CanadianNuclearLaboratoriesLTDMember_zAuCwvghHwyb"><ix:nonFraction name="us-gaap:AccountsReceivableNetCurrent" contextRef="AsOf2021-12-31_custom_CanadianNuclearLaboratoriesLTDMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">871,000</ix:nonFraction>
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">in contractual holdback under the TOA that is
payable to PF Canada. CNL also established a bond securing approximately $<span id="xdx_909_ecustom--BondSecuringAmount_uCAD_c20210101__20211231__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--CanadianNuclearLaboratoriesLTDMember_zTySEJPemNag"><ix:nonFraction name="PESI:BondSecuringAmount" contextRef="From2021-01-012021-12-31_custom_CanadianNuclearLaboratoriesLTDMember" format="ixt:numdotdecimal" decimals="0" unitRef="CAD">1,900,000</ix:nonFraction>
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(CAD) to cover certain issue raised in connection
with the TOA. Under the TOA, CNL may be entitled to set off certain costs and expenses incurred by CNL in connection with the termination
of the TOA, including the bond as discussed above, against amounts owed to PF Canada for work performed by PF Canada or its
subcontractors. PF Canada continues to be in discussions with CNL to finalize the amounts due to PF Canada under the TOA and continues
to believes these amounts are due and payable.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Insurance</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company has a <span id="xdx_90C_ecustom--PeriodOfFiniteRiskInsurancePolicy_dtY_c20030601__20030630__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember_zkElzPqhCd3f" title="Period of finite risk insurance policy"><ix:nonNumeric contextRef="From2003-06-012003-06-30_custom_AmericanInternationalGroupIncMember" format="ixt-sec:duryear" name="PESI:PeriodOfFiniteRiskInsurancePolicy">25</ix:nonNumeric></span>-year finite risk insurance policy entered into in June 2003 (&#8220;2003 Closure Policy&#8221;) with AIG which provides
financial assurance to the applicable states for our permitted facilities in the event of unforeseen closure. The 2003 Closure Policy,
as amended, provides for a maximum allowable coverage of $<span id="xdx_904_ecustom--MaximumAllowableCoverageOfInsurancePolicy_iI_pp0p0_c20211231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember_zryOQhqPM852" title="Maximum allowable coverage of insurance policy"><ix:nonFraction name="PESI:MaximumAllowableCoverageOfInsurancePolicy" contextRef="AsOf2021-12-31_custom_AmericanInternationalGroupIncMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">28,177,000</ix:nonFraction></span> which includes available capacity to allow for annual inflation
and other performance and surety bond requirements. Total coverage under the 2003 Closure Policy, as amended, was $<span id="xdx_90E_ecustom--CoverageAmountUnderPolicy_iI_pp0p0_c20211231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember_z3WAU0UQFDZ4" title="Coverage amount under the policy"><ix:nonFraction name="PESI:CoverageAmountUnderPolicy" contextRef="AsOf2021-12-31_custom_AmericanInternationalGroupIncMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">20,403,000</ix:nonFraction></span> at December
31, 2021. At December 31, 2021 and December 31, 2020, finite risk sinking funds contributed by the Company related to the 2003 Closure
Policy which is included in other long term assets on the accompanying Consolidated Balance Sheets totaled $<span id="xdx_906_eus-gaap--RestrictedCashNoncurrent_iI_pid_c20211231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember__us-gaap--TypeOfArrangementAxis__custom--ThousandandThreeClosurePolicyMember_zO2uZ12hSLk" title="Finite risk sinking fund (restricted cash)"><ix:nonFraction name="us-gaap:RestrictedCashNoncurrent" contextRef="AsOf2021-12-31_custom_AmericanInternationalGroupIncMember_custom_ThousandandThreeClosurePolicyMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">11,471,000</ix:nonFraction></span> and $<span id="xdx_905_eus-gaap--RestrictedCashNoncurrent_iI_c20201231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember__us-gaap--TypeOfArrangementAxis__custom--ThousandandThreeClosurePolicyMember_zwwOOH3pCXTk" title="Finite risk sinking fund (restricted cash)"><ix:nonFraction name="us-gaap:RestrictedCashNoncurrent" contextRef="AsOf2020-12-31_custom_AmericanInternationalGroupIncMember_custom_ThousandandThreeClosurePolicyMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">11,446,000</ix:nonFraction></span>,
respectively, which included interest earned of $<span id="xdx_90A_eus-gaap--InterestIncomeOther_pp0p0_c20210101__20211231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember__us-gaap--TypeOfArrangementAxis__custom--ThousandandThreeClosurePolicyMember_zF5TiJ34hD5l" title="Interest income"><ix:nonFraction name="us-gaap:InterestIncomeOther" contextRef="From2021-01-012021-12-31_custom_AmericanInternationalGroupIncMember_custom_ThousandandThreeClosurePolicyMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">2,000,000</ix:nonFraction></span> and $<span id="xdx_90A_eus-gaap--InterestIncomeOther_pp0p0_c20200101__20201231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember__us-gaap--TypeOfArrangementAxis__custom--ThousandandThreeClosurePolicyMember_zpu4Gf3DCirf" title="Interest income"><ix:nonFraction name="us-gaap:InterestIncomeOther" contextRef="From2020-01-012020-12-31_custom_AmericanInternationalGroupIncMember_custom_ThousandandThreeClosurePolicyMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">1,975,000</ix:nonFraction></span> on the finite risk sinking funds as of December 31, 2021 and
December 31, 2020, respectively. Interest income for the year ended 2021 and 2020 was approximately $<span id="xdx_908_eus-gaap--InterestIncomeOther_pp0p0_c20210101__20211231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember_zPhZ9uEeNvU6" title="Interest income"><ix:nonFraction name="us-gaap:InterestIncomeOther" contextRef="From2021-01-012021-12-31_custom_AmericanInternationalGroupIncMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">25,000</ix:nonFraction></span> and $<span id="xdx_90E_eus-gaap--InterestIncomeOther_pp0p0_c20200101__20201231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember_z2zgVatDLNv" title="Interest income"><ix:nonFraction name="us-gaap:InterestIncomeOther" contextRef="From2020-01-012020-12-31_custom_AmericanInternationalGroupIncMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">139,000</ix:nonFraction></span>, respectively.
If the Company so elects, AIG is obligated to pay us an amount equal to <span id="xdx_907_ecustom--InsurersObligationToEntityOnTerminationOfContract_iI_pid_dp_uPure_c20211231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember_z5wGZ1Su8TAk" title="Insurers obligation to entity on termination of contract"><ix:nonFraction name="PESI:InsurersObligationToEntityOnTerminationOfContract" contextRef="AsOf2021-12-31_custom_AmericanInternationalGroupIncMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">100</ix:nonFraction>%</span> of the finite risk sinking fund account balance in return
for complete release of liability from both us and any applicable regulatory agency using this policy as an instrument to comply with
financial assurance requirements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Letter
of Credits and Bonding Requirements</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">From
time to time, the Company is required to post standby letters of credit and various bonds to support contractual obligations to customers
and other obligations, including facility closures. At December 31, 2021, the total amount of standby letters of credit outstanding was
approximately $<span id="xdx_900_eus-gaap--LettersOfCreditOutstandingAmount_iI_pp0p0_c20211231_zZql2MImX08" title="Letters of credit outstanding, amount"><ix:nonFraction name="us-gaap:LettersOfCreditOutstandingAmount" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">3,020,000</ix:nonFraction></span> and the total amount of bonds outstanding was approximately $<span id="xdx_90B_ecustom--BondOutstanding_iI_pp0p0_c20211231_zM8xweWeTey2" title="Bond outstanding"><ix:nonFraction name="PESI:BondOutstanding" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">50,109,000</ix:nonFraction></span>.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>


<ix:exclude><!-- Field: Page; Sequence: 71; Value: 34 -->
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    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock"><p id="xdx_806_eus-gaap--PensionAndOtherPostretirementBenefitsDisclosureTextBlock_z07Gb5yuS81a" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
16</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_826_zzEUTCPZDm5a">PROFIT
SHARING PLAN</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company adopted a 401(k) Plan in 1992, which is intended to comply with Section 401 of the Internal Revenue Code and the provisions of
the Employee Retirement Income Security Act of 1974. All full-time employees who have attained the age of <span id="xdx_909_ecustom--MinimumAgeForFullTimeEmployeesToParticipateInPlan_uInteger_c20210101__20211231_zY064u4BUiQ2" title="Minimum age for full time employees to participate in plan"><ix:nonFraction name="PESI:MinimumAgeForFullTimeEmployeesToParticipateInPlan" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Integer">18</ix:nonFraction></span> are eligible to participate
in the 401(k) Plan. Eligibility is immediate upon employment but enrollment is only allowed during <span id="xdx_902_ecustom--NumberOfQuarterlyOpenPeriodsForEnrollment_dc_uInteger_c20210101__20211231_zC1eJCgl5f1j" title="Number of quarterly open periods for enrollment"><ix:nonFraction name="PESI:NumberOfQuarterlyOpenPeriodsForEnrollment" contextRef="From2021-01-01to2021-12-31" format="ixt-sec:numwordsen" decimals="INF" unitRef="Integer">four</ix:nonFraction></span> quarterly open periods of January
1, April 1, July 1, and October 1. Participating employees may make annual pretax contributions to their accounts up to <span id="xdx_908_eus-gaap--DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_pid_dp_uPure_c20210101__20211231_zXvsbDdnKQmi" title="Defined contribution plan, maximum annual contributions per employee, percent"><ix:nonFraction name="us-gaap:DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">100</ix:nonFraction>%</span> of their
compensation, up to a maximum amount as limited by law. The Company, at its discretion, may make matching contributions of <span id="xdx_90C_eus-gaap--DefinedContributionPlanEmployerMatchingContributionPercent_pid_dp_uPure_c20210101__20211231_zPHU09JRlOy1" title="Defined contribution plan, employer matching contribution, percent of employees&apos; gross pay"><ix:nonFraction name="us-gaap:DefinedContributionPlanEmployerMatchingContributionPercent" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">25</ix:nonFraction>%</span> based
on the employee&#8217;s elective contributions. Company contributions vest over a period of <span id="xdx_901_ecustom--DefinedContributionPlanEmployersContributionVestingPeriod_dc_c20210101__20211231_z8zeyCNHCKTl" title="Defined contribution plan employers contribution vesting period"><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" format="ixt-sec:durwordsen" name="PESI:DefinedContributionPlanEmployersContributionVestingPeriod">five years</ix:nonNumeric></span>. In 2021 and 2020, the Company
contributed approximately $<span id="xdx_90E_eus-gaap--DefinedContributionPlanEmployerDiscretionaryContributionAmount_c20210101__20211231_zj35SXlSzFQ4" title="Defined contribution plan, employer discretionary contribution amount"><ix:nonFraction name="us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">589,000</ix:nonFraction></span> and $<span id="xdx_909_eus-gaap--DefinedContributionPlanEmployerDiscretionaryContributionAmount_c20200101__20201231_zlIBaywEXe8f" title="Defined contribution plan, employer discretionary contribution amount"><ix:nonFraction name="us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">594,000</ix:nonFraction></span> in 401(k) matching funds, respectively.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:RelatedPartyTransactionsDisclosureTextBlock"><p id="xdx_805_eus-gaap--RelatedPartyTransactionsDisclosureTextBlock_zvx9nSNs2sGi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
17</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_824_zRgbcJgJdPJk">RELATED
PARTY TRANSACTIONS</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>David
Centofanti</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">David
Centofanti serves as our Vice President of Information Systems. For such position, he received annual compensation of $<span id="xdx_908_eus-gaap--SalariesAndWages_pp0p0_c20210101__20211231__srt--TitleOfIndividualAxis__custom--VicePresidentOfInformationSystemsMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--DrDavidCentofantiMember_zCsL6jWDhgPd" title="Compensation"><ix:nonFraction name="us-gaap:SalariesAndWages" contextRef="From2021-01-012021-12-31_custom_VicePresidentOfInformationSystemsMember_custom_DrDavidCentofantiMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">184,000</ix:nonFraction></span> and $<span id="xdx_90A_eus-gaap--SalariesAndWages_pp0p0_c20200101__20201231__srt--TitleOfIndividualAxis__custom--VicePresidentOfInformationSystemsMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--DrDavidCentofantiMember_z57blPl3O82k" title="Compensation"><ix:nonFraction name="us-gaap:SalariesAndWages" contextRef="From2020-01-012020-12-31_custom_VicePresidentOfInformationSystemsMember_custom_DrDavidCentofantiMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">181,000</ix:nonFraction></span>
for 2021 and 2020, respectively. David Centofanti is the son of our EVP of Strategic Initiatives and a Board member.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Employment
Agreements</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company entered into an employment agreement dated July 22, 2020 with each of our executive officers (each employment agreement referred
to as &#8220;Employment Agreement&#8221;).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Each
Employment Agreement is effective for three years from July 22, 2020 (the &#8220;Initial Term&#8221;) unless earlier terminated by the
Company or by the executive officer. At the end of the Initial Term of each Employment Agreement, each Employment Agreement will automatically
be extended for one additional year, unless at least six months prior to the expiration of the Initial Term, we or the executive officer
provides written notice not to extend the terms of the Employment Agreement. Each Employment Agreement provides for annual base salary,
performance bonuses (as provided in the MIP as approved by our Compensation Committee and Board) and other benefits commonly found in
such agreement.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Pursuant
to each Employment Agreement, if the executive officer&#8217;s employment is terminated due to death/disability or for cause (as defined
in the agreement), the Company will pay to the executive officer or to his estate an amount equal to the sum of any unpaid base salary
and accrued unused vacation time through the date of termination and any benefits due to the executive officer under any employee benefit
plan (the &#8220;Accrued Amounts&#8221;) plus any performance compensation payable pursuant to the MIP with respect to the fiscal year
immediately preceding the date of termination.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">If
the executive officer terminates his employment for &#8220;good reason&#8221; (as defined in the agreement) or is terminated by us without
cause (including any such termination for &#8220;good reason&#8221; or without cause within 24 months after a Change in Control (as defined
in the agreement)), the Company will pay the executive officer the Accrued Amounts, two years of full base salary, and two times the
performance compensation (under the MIP) earned with respect to the fiscal year immediately preceding the date of termination provided
the performance compensation earned with respect to the fiscal year immediately preceding the date of termination has not been paid.
If performance compensation earned with respect to the fiscal year immediately preceding the date of termination has been made to the
executive officer, the executive officer will be paid an additional year of the performance compensation earned with respect to the fiscal
year immediately preceding the date of termination. If the executive terminates his employment for a reason other than for good reason,
the Company will pay to the executive an amount equal to the Accrued Amounts plus any performance compensation payable pursuant to the
MIP with respect to the fiscal year immediately preceding the date of termination.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<ix:exclude><!-- Field: Page; Sequence: 72; Value: 34 -->
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    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">If
there is a Change in Control (as defined in the agreement), all outstanding stock options to purchase common stock held by the executive
officer will immediately become exercisable in full commencing on the date of termination through the original term of the options. In
the event of the death of an executive officer, all outstanding stock options to purchase common stock held by the executive officer
will immediately become exercisable in full commencing on the date of death, with such options exercisable for the lesser of the original
option term or twelve months from the date of the executive officer&#8217;s death. In the event an executive officer terminates his employment
for &#8220;good reason&#8221; or is terminated by the Company without cause, all outstanding stock options to purchase common stock held
by the executive officer will immediately become exercisable in full commencing on the date of termination, with such options exercisable
for the lesser of the original option term or within 60 days from the date of the executive&#8217;s date of termination. Severance benefits
payable with respect to a termination (other than Accrued Amounts) shall not be payable until the termination constitutes a &#8220;separation
from service&#8221; (as defined under Treasury Regulation Section 1.409A-1(h)).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>MIPs</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
January 21, 2021, the Compensation Committee and our Board approved individual MIP for the calendar year 2021 for each of our executive
officers. Each MIP is effective January 1, 2021 and applicable for year 2021. Each MIP provides guidelines for the calculation of annual
cash incentive-based compensation, subject to Compensation Committee oversight and modification. The performance compensation under each
of the MIPs is based upon meeting certain of the Company&#8217;s separate target objectives during 2021. Assuming each target objective
is achieved under the same performance threshold range under each MIP, the total potential target performance compensation payable ranged
from <span id="xdx_90D_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--CEOMember_zPxfLAKkcCkc" title="Compensation arrangement with individual, cash awards, minimum, percentage"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMinimumPercentage" contextRef="From2021-01-202021-01-21_custom_CEOMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">5</ix:nonFraction>%</span> to <span id="xdx_907_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--CEOMember_zE0qRBIV7fnf" title="Compensation arrangement with individual, cash awards, maximum, percentage"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMaximumPercentage" contextRef="From2021-01-202021-01-21_custom_CEOMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">150</ix:nonFraction>%</span> of the base salary for the CEO ($<span id="xdx_90B_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--CEOMember_zqlA4EUjyiRa" title="Compensation arrangement with individual, cash awards, minimum, amount"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMinimumAmount" contextRef="AsOf2021-01-21_custom_CEOMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">17,220</ix:nonFraction></span> to $<span id="xdx_908_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--CEOMember_zszGJt7XeLFa" title="Compensation arrangement with individual, cash awards, maximum, amount"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMaximumAmount" contextRef="AsOf2021-01-21_custom_CEOMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">516,600</ix:nonFraction></span>), <span id="xdx_907_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_zWnFkCiWMgB4" title="Compensation arrangement with individual, cash awards, minimum, percentage"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMinimumPercentage" contextRef="From2021-01-202021-01-21_srt_ChiefFinancialOfficerMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">5</ix:nonFraction>%</span> to <span id="xdx_90D_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_ziIUgKDTPxy7" title="Compensation arrangement with individual, cash awards, maximum, percentage"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMaximumPercentage" contextRef="From2021-01-202021-01-21_srt_ChiefFinancialOfficerMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">100</ix:nonFraction>%</span> of the base salary for the CFO ($<span id="xdx_90B_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_zP2rl9pnjFn4" title="Compensation arrangement with individual, cash awards, minimum, amount"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMinimumAmount" contextRef="AsOf2021-01-21_srt_ChiefFinancialOfficerMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">14,000</ix:nonFraction></span> to $<span id="xdx_907_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_z2yN3bwmkKQh" title="Compensation arrangement with individual, cash awards, maximum, amount"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMaximumAmount" contextRef="AsOf2021-01-21_srt_ChiefFinancialOfficerMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">280,000</ix:nonFraction></span>),
<span id="xdx_909_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_zEMbIUNmPeB1" title="Compensation arrangement with individual, cash awards, minimum, percentage"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMinimumPercentage" contextRef="From2021-01-202021-01-21_custom_ExecutiveVicePresidentOfStrategicInitiativesMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">5</ix:nonFraction>%</span> to <span id="xdx_908_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_zPFpGxbuDQMc" title="Compensation arrangement with individual, cash awards, maximum, percentage"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMaximumPercentage" contextRef="From2021-01-202021-01-21_custom_ExecutiveVicePresidentOfStrategicInitiativesMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">100</ix:nonFraction>%</span> of the base salary for the EVP of Strategic Initiatives ($<span id="xdx_90B_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_zluUS0BplaY9" title="Compensation arrangement with individual, cash awards, minimum, amount"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMinimumAmount" contextRef="AsOf2021-01-21_custom_ExecutiveVicePresidentOfStrategicInitiativesMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">11,667</ix:nonFraction></span> to $<span id="xdx_903_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_zJUkg8i07rQ8" title="Compensation arrangement with individual, cash awards, maximum, amount"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMaximumAmount" contextRef="AsOf2021-01-21_custom_ExecutiveVicePresidentOfStrategicInitiativesMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">233,336</ix:nonFraction></span>), <span id="xdx_90E_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zcdtTO0OgeD9" title="Compensation arrangement with individual, cash awards, minimum, percentage"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMinimumPercentage" contextRef="From2021-01-202021-01-21_custom_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">5</ix:nonFraction>%</span> to <span id="xdx_905_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zpGbamLTnWw1" title="Compensation arrangement with individual, cash awards, maximum, percentage"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMaximumPercentage" contextRef="From2021-01-202021-01-21_custom_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">100</ix:nonFraction>%</span> of the base salary for the EVP of
Nuclear and Technical Services ($<span id="xdx_902_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zx75wD35LwA4" title="Compensation arrangement with individual, cash awards, minimum, amount"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMinimumAmount" contextRef="AsOf2021-01-21_custom_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">14,000</ix:nonFraction></span> to $<span id="xdx_908_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zNlKFlcNzUNk" title="Compensation arrangement with individual, cash awards, maximum, amount"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMaximumAmount" contextRef="AsOf2021-01-21_custom_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">280,000</ix:nonFraction></span>) and <span id="xdx_905_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_zaaMmx48Q9Li" title="Compensation arrangement with individual, cash awards, minimum, percentage"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMinimumPercentage" contextRef="From2021-01-202021-01-21_custom_ExecutiveVicePresidentOfWasteTreatmentOperationsMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">5</ix:nonFraction>%</span> to <span id="xdx_906_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_z74Z63pleSxf" title="Compensation arrangement with individual, cash awards, maximum, percentage"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMaximumPercentage" contextRef="From2021-01-202021-01-21_custom_ExecutiveVicePresidentOfWasteTreatmentOperationsMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">100</ix:nonFraction>%</span> ($<span id="xdx_905_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_z76xWBcLNAAc" title="Compensation arrangement with individual, cash awards, minimum, amount"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMinimumAmount" contextRef="AsOf2021-01-21_custom_ExecutiveVicePresidentOfWasteTreatmentOperationsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">12,000</ix:nonFraction></span> to $<span id="xdx_903_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_zUmAmmdUu1wj" title="Compensation arrangement with individual, cash awards, maximum, amount"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMaximumAmount" contextRef="AsOf2021-01-21_custom_ExecutiveVicePresidentOfWasteTreatmentOperationsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">240,000</ix:nonFraction></span>) of the base salary for the EVP of Waste Treatment
Operations. No performance compensation was earned under any of the 2021 MIPs.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Board
Compensation</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
January 21, 2021, the Company&#8217;s Compensation Committee and the Board approved, effective January 1, 2021, the following revisions
to the annual compensation of each non-employee Board member for service on the Board and the Board Committee(s) for which the Board
member serves:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">each
    director is to be paid a quarterly fee of $<span id="xdx_903_ecustom--QuarterlyFee_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__srt--DirectorMember__srt--StatementScenarioAxis__custom--RevisedMember_znUxRO34kfh" title="Quarterly fee"><ix:nonFraction name="PESI:QuarterlyFee" contextRef="AsOf2021-01-21_srt_DirectorMember_custom_RevisedMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">11,500</ix:nonFraction></span>, compared to the previous quarterly fee of $<span id="xdx_90B_ecustom--QuarterlyFee_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__srt--DirectorMember__srt--StatementScenarioAxis__custom--PriorToRevisionMember_zrhN44cm9Hx" title="Quarterly fee"><ix:nonFraction name="PESI:QuarterlyFee" contextRef="AsOf2021-01-21_srt_DirectorMember_custom_PriorToRevisionMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">8,000</ix:nonFraction></span>;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">the
    Chairman of the Board is to be paid an additional quarterly fee of $<span id="xdx_90E_ecustom--QuarterlyFee_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ChairmanOfTheBoardMember__srt--StatementScenarioAxis__custom--RevisedMember_zCDZMahGry42" title="Quarterly fee"><ix:nonFraction name="PESI:QuarterlyFee" contextRef="AsOf2021-01-21_custom_ChairmanOfTheBoardMember_custom_RevisedMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">8,750</ix:nonFraction></span>, compared to the Chairman&#8217;s previous additional quarterly
    fee of $<span id="xdx_90D_ecustom--QuarterlyFee_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ChairmanOfTheBoardMember__srt--StatementScenarioAxis__custom--PriorToRevisionMember_zZphcUdEFFV5" title="Quarterly fee"><ix:nonFraction name="PESI:QuarterlyFee" contextRef="AsOf2021-01-21_custom_ChairmanOfTheBoardMember_custom_PriorToRevisionMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">7,500</ix:nonFraction></span>;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">the
    Chairman of the Audit Committee is to be paid an additional quarterly fee of $<span id="xdx_90B_ecustom--QuarterlyFee_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ChairmanOfTheAuditCommitteeMember__srt--StatementScenarioAxis__custom--RevisedMember_zWLUWaiCMrZj" title="Quarterly fee"><ix:nonFraction name="PESI:QuarterlyFee" contextRef="AsOf2021-01-21_custom_ChairmanOfTheAuditCommitteeMember_custom_RevisedMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">6,250</ix:nonFraction></span>, compared to the Audit Chair&#8217;s previous
    additional quarterly fee of $<span id="xdx_905_ecustom--QuarterlyFee_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ChairmanOfTheAuditCommitteeMember__srt--StatementScenarioAxis__custom--PriorToRevisionMember_zgoomwi8Oxa6" title="Quarterly fee"><ix:nonFraction name="PESI:QuarterlyFee" contextRef="AsOf2021-01-21_custom_ChairmanOfTheAuditCommitteeMember_custom_PriorToRevisionMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">5,500</ix:nonFraction></span>;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">the
    Chairman of each of the Compensation Committee, the Corporate Governance and Nominating Committee (&#8220;Nominating Committee&#8221;),
    and the Strategic Advisory Committee (&#8220;Strategic Committee&#8221;) is to receive $<span id="xdx_90B_ecustom--BoardChairmanCommitteeFees_pp0p0_c20210120__20210121__us-gaap--TypeOfArrangementAxis__custom--ChairmanOfCompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember_zHCY69Tv8J8a" title="Board chairman committee fees"><ix:nonFraction name="PESI:BoardChairmanCommitteeFees" contextRef="From2021-01-202021-01-21_custom_ChairmanOfCompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">3,125</ix:nonFraction></span> in additional quarterly fees. No additional
    quarterly fees were previously paid to the chairs of such committees. The Chairman of the Board is not eligible to receive a quarterly
    fee for serving as the Chairman of any the aforementioned committees;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">each
    Audit Committee member (excluding the Chairman of the Audit Committee) is to receive an additional quarterly fee of $<span id="xdx_909_ecustom--AuditCommitteeMemberFees_pp0p0_c20210120__20210121__srt--TitleOfIndividualAxis__custom--AuditCommitteeMemberMember_zKUozrpNS1Z" title="Audit committee member fees"><ix:nonFraction name="PESI:AuditCommitteeMemberFees" contextRef="From2021-01-202021-01-21_custom_AuditCommitteeMemberMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">1,250</ix:nonFraction></span>; and</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">each
    member of the Compensation Committee, the Nominating Committee, and the Strategic Committee is to receive a quarterly fee of $<span id="xdx_907_ecustom--CommitteeMemberFees_pp0p0_c20210120__20210121__us-gaap--TypeOfArrangementAxis__custom--CompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember_z0SN4rg7e2Y8" title="Committee member fees"><ix:nonFraction name="PESI:CommitteeMemberFees" contextRef="From2021-01-202021-01-21_custom_CompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">500</ix:nonFraction></span>.
    Such fee is payable only if the member does not also serve as the Chairman of another standing committee or as the Chairman of the
    Board.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_903_ecustom--BoardMeetingAttendanceDescription_c20210120__20210121__us-gaap--TypeOfArrangementAxis__custom--NonEmployeeBoardMemberMember_zGAZqoESSKk9" title="Board meeting attendance description"><ix:nonNumeric contextRef="From2021-01-202021-01-21_custom_NonEmployeeBoardMemberMember" name="PESI:BoardMeetingAttendanceDescription">Each
non-employee Board member continues to receive $1,000 for each in-person board meeting attendance and a $<span id="xdx_904_ecustom--BoardAttendanceFees_pp0p0_c20210120__20210121__us-gaap--TypeOfArrangementAxis__custom--NonEmployeeBoardMemberMember_zExDOWLqjHOj"><ix:nonFraction name="PESI:BoardAttendanceFees" contextRef="From2021-01-202021-01-21_custom_NonEmployeeBoardMemberMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">500</ix:nonFraction></span> fee for meeting attendance
via conference call</ix:nonNumeric></span>. Reimbursements of expenses for attending meetings of the Board are paid in cash at the time of the applicable Board
meeting.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90A_ecustom--FeesPayableDescripton_c20210120__20210121__us-gaap--TypeOfArrangementAxis__custom--NonEmployeeDirectorMember__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember_z7asbzrGQNC9" title="Fees payable description"><ix:nonNumeric contextRef="From2021-01-202021-01-21_custom_NonEmployeeDirectorMember_custom_TwoThousandAndThreePlanMember" name="PESI:FeesPayableDescripton">Each
non-employee director may continue to elect to have either 65% or 100% of such fees payable in Common Stock under the 2003 Plan, with
the balance, if any, payable in cash (see &#8220;Note 6 &#8211; Capital Stock, Stock Plans, Warrants, and Stock Based Compensation &#8211;
Stock Option Plans&#8221; for a discussion of the 2003 Plan)</ix:nonNumeric></span>.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>


<ix:exclude><!-- Field: Page; Sequence: 73; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->71<!-- Field: /Sequence --></td></tr></table></div>
    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:SegmentReportingDisclosureTextBlock"><p id="xdx_80F_eus-gaap--SegmentReportingDisclosureTextBlock_zpn9VGjUvb9e" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
18</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_827_zYpol1EamARf">SEGMENT
REPORTING</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
accordance with ASC 280, &#8220;Segment Reporting&#8221;, we define an operating segment as a business activity:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 408.75pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">from
    which we may earn revenue and incur expenses;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">whose
    operating results are regularly reviewed by the CODM to make decisions about resources to be allocated to the segment and assess
    its performance; and</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">for
    which discrete financial information is available.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
have <span id="xdx_903_eus-gaap--NumberOfReportableSegments_pid_dcp_uInteger_c20210101__20211231_zB2JBgTjsJuk" title="Number of reportable segments"><ix:nonFraction name="us-gaap:NumberOfReportableSegments" contextRef="From2021-01-01to2021-12-31" format="ixt-sec:numwordsen" decimals="INF" unitRef="Integer">three</ix:nonFraction></span> reporting segments, which include Treatment and Services Segments, which are based on a service offering approach; and Medical,
whose primary purpose was the R&amp;D of a medical isotope production technology. The Medical Segment had not generated any revenues.
During December 2021, the Company made the strategic decision to cease all R&amp;D activities under the Medical Segment which resulted
in the sale of <span id="xdx_904_ecustom--SalePercentage_pid_dp_uPure_c20210101__20211231_z6Mvs3aaSCs3" title="Sale percentage"><ix:nonFraction name="PESI:SalePercentage" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">100</ix:nonFraction>%</span> of its interest of PFM Poland (see &#8220;Note 14 &#8211; PF Medical&#8221; for a discussion of this transaction).
Our reporting segments exclude our corporate headquarter, business center and our discontinued operations (see &#8220;Note 9 &#8211;
Discontinued Operations&#8221;) which do not generate revenues.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" continuedAt="ConU002086-01" escape="true" name="us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock"><p id="xdx_89D_eus-gaap--ScheduleOfSegmentReportingInformationBySegmentTextBlock_gL3SOSRIBSTB-SOTSPE_z62Y5KkK9ZKi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
table below shows certain financial information of our reporting segments as of and for the years ended December 31, 2021 and 2020 (in
thousands).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span id="xdx_8B9_zQPhFvtIFFjl" style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">SCHEDULE OF SEGMENT REPORTING INFORMATION</span></p>

<p style="margin: 0; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Segment Reporting as of and for the
year ended December 31, 2021</b></span></p>



<p style="margin: 0; font-family: Times New Roman, Times, Serif">&#160;</p><table cellpadding="0" cellspacing="0" style="font: 8.5pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
<tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; width: 36%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Revenue
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    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zBeoBMKDfptg" title="Revenue from external customers" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl2096">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 4%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Intercompany
    revenues</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98B_ecustom--IntercompanyRevenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z9Zsh2pP34L4" title="Intercompany revenues" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="PESI:IntercompanyRevenues" contextRef="From2021-01-012021-12-31_custom_TreatmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,265</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Gross
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_988_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zIZpOb36v1yc" title="Expenditures for segment assets (net)" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:PaymentsToAcquirePropertyPlantAndEquipment" contextRef="From2021-01-012021-12-31_custom_SegmentsTotalMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,568</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98B_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zSiuZLFccFbe" title="Expenditures for segment assets (net)" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:PaymentsToAcquirePropertyPlantAndEquipment" contextRef="From2021-01-012021-12-31_us-gaap_CorporateAndOtherMember" id="Fact002240" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">9</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231_fKDcp_z0irfybaEPQf" title="Expenditures for segment assets (net)" style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:PaymentsToAcquirePropertyPlantAndEquipment" contextRef="From2021-01-01to2021-12-31" id="Fact002242" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,577</ix:nonFraction></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F23_zsSsAuz9Yqz5">(7)</sup></span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total
    debt</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_984_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z5Ka5GMKQU07" title="Total debt" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:DebtAndCapitalLeaseObligations" contextRef="AsOf2021-12-31_custom_TreatmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">25</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_985_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zdt82idfRTu4" title="Total debt" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:DebtAndCapitalLeaseObligations" contextRef="AsOf2021-12-31_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">14</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98D_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zAcpX7r83yZb" title="Total debt" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2248">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_980_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zsm9HZUgnlS9" title="Total debt" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:DebtAndCapitalLeaseObligations" contextRef="AsOf2021-12-31_custom_SegmentsTotalMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">39</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_983_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z8xV15mXUBhf" title="Total debt" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:DebtAndCapitalLeaseObligations" contextRef="AsOf2021-12-31_us-gaap_CorporateAndOtherMember" id="Fact002252" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">954</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_988_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231_fKDYp_zCrgdKoPcSxl" title="Total debt" style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:DebtAndCapitalLeaseObligations" contextRef="AsOf2021-12-31" id="Fact002254" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">993</ix:nonFraction></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F28_zEURqZ6fcbB3">(6)</sup></span></td></tr>
  </table>

<p style="margin: 0; font-family: Times New Roman, Times, Serif"></p><p style="margin: 0; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="margin: 0; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Segment Reporting as of and for the
year ended December 31, 2020</b></span></p>



<p style="margin: 0; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>
<table cellpadding="0" cellspacing="0" style="font: 8.5pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Treatment</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Services</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Medical</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Segments
    Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><span id="xdx_F56_zSGkSuG4PBJg" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Corporate
    <sup>(2)</sup> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup></sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consolidated
    Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 36%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Revenue
    from external customers</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z4YfMtdPm659" title="Revenue from external customers" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_custom_TreatmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">30,143</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zfOcqrKRscIl" title="Revenue from external customers" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">75,283</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="width: 1%; font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="width: 1%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_988_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zXLkRtiPogEg" title="Revenue from external customers" style="width: 6%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2260">&#8212;</span></b></span></td><td style="width: 4%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_fKDMpKDQp_zeWBLF4U7fl9" title="Revenue from external customers" style="font: 10pt Times New Roman, Times, Serif; width: 6%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_custom_SegmentsTotalMember" id="Fact002262" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">105,426</ix:nonFraction>
                                            </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 4%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F2D_zerWrp5lJPa1">(3)(4)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z79iAGS1RsW5" title="Revenue from external customers" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl2264">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 4%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231_zSc7bNSpA6Od" title="Revenue from external customers" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">105,426</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98B_eus-gaap--Assets_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_fKDEp_zqqAO1vZXjWd" title="Segment assets" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:Assets" contextRef="AsOf2020-12-31_custom_SegmentsTotalMember" id="Fact002394" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">54,709</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_989_eus-gaap--Assets_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDEpKDIpKDUp_z2gP20mzfH98" title="Segment assets" style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:Assets" contextRef="AsOf2020-12-31_us-gaap_CorporateAndOtherMember" id="Fact002396" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">24,210</ix:nonFraction>
                                            </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F2F_zy9vGhDh0ejj">(5)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_985_eus-gaap--Assets_iI_pn3n3_c20201231_fKDEp_zWu0W7wFjR6a" title="Segment assets" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:Assets" contextRef="AsOf2020-12-31" id="Fact002398" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">78,919</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expenditures
    for segment assets (net)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98C_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zhpHHa79zGu5" title="Expenditures for segment assets (net)" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:PaymentsToAcquirePropertyPlantAndEquipment" contextRef="From2020-01-012020-12-31_custom_TreatmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,264</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_981_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zDZGbYeb7Qw1" title="Expenditures for segment assets (net)" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:PaymentsToAcquirePropertyPlantAndEquipment" contextRef="From2020-01-012020-12-31_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">451</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_982_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zIKQaKattGFb" title="Expenditures for segment assets (net)" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2404">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_989_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_ztjmTcrGECNk" title="Expenditures for segment assets (net)" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:PaymentsToAcquirePropertyPlantAndEquipment" contextRef="From2020-01-012020-12-31_custom_SegmentsTotalMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,715</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_984_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zEJXPk8ZilXl" title="Expenditures for segment assets (net)" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2408">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_987_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231_fKDcp_zvP711BaoZEk" title="Expenditures for segment assets (net)" style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:PaymentsToAcquirePropertyPlantAndEquipment" contextRef="From2020-01-012020-12-31" id="Fact002410" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,715</ix:nonFraction></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F29_z7RrU7ztbGk2">(7)</sup></span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total
    debt</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_987_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zZ3837AWyvgk" title="Total debt" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2412">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_984_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z1hp8CrOXjyj" title="Total debt" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:DebtAndCapitalLeaseObligations" contextRef="AsOf2020-12-31_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">23</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_987_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zmahB1OlTyQa" title="Total debt" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2416">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zUrnT4WbPuif" title="Total debt" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:DebtAndCapitalLeaseObligations" contextRef="AsOf2020-12-31_custom_SegmentsTotalMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">23</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98D_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zmry6TvaU6Ia" title="Total debt" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:DebtAndCapitalLeaseObligations" contextRef="AsOf2020-12-31_us-gaap_CorporateAndOtherMember" id="Fact002420" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">6,706</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_983_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231_fKDYp_zeSyXX6VCfka" title="Total debt" style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:nonFraction name="us-gaap:DebtAndCapitalLeaseObligations" contextRef="AsOf2020-12-31" id="Fact002422" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">6,729</ix:nonFraction></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F27_zcdquH0N1OLa">(6)</sup></span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -0.5in"></p><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<ix:exclude><!-- Field: Page; Sequence: 74; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->72<!-- Field: /Sequence --></td></tr></table></div>
    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -9pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<table cellpadding="0" cellspacing="0" border="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt">
<tr style="vertical-align: top">
  <td style="text-align: left; padding-left: 0pt; text-indent: 0pt; width: 13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0A_zqle1JRt7FU8">(1)</sup></span></td>
  <td style="text-align: left; padding-left: 0pt; text-indent: 0pt"><span id="xdx_F1F_zpElVBqgz833" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote002423" xml:lang="en-US">Segment assets have been adjusted for intercompany accounts
to reflect actual assets for each segment.</ix:footnote></span></td></tr>
</table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>&#160;</sup></span></p>

<table cellpadding="0" cellspacing="0" border="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt">
<tr style="vertical-align: top">
  <td style="text-align: left; padding-left: 0pt; text-indent: 0pt; width: 13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F01_zuaqdJ5qMs5a">(2)</sup></span></td>
  <td style="text-align: left; padding-left: 0pt; text-indent: 0pt"><span id="xdx_F1B_ziHDQavTfXef" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote002424" xml:lang="en-US">Amounts reflect the activity for corporate headquarters not
included in the segment information.</ix:footnote></span></td></tr>
</table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></p>

<table cellspacing="0" cellpadding="0" style="width: 100%">
  <tr style="vertical-align: top">
    <td style="font: 11pt Calibri, Helvetica, Sans-Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sub id="xdx_F04_z9xl3ckMm6N6">(3)</sub></span></td>
    <td style="font: 11pt Calibri, Helvetica, Sans-Serif; text-align: justify"><span id="xdx_F1B_zw55YsKOxuej" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote002425" xml:lang="en-US">The
    Company performed services relating to waste generated by government clients (domestic and foreign (primarily Canadian)), either
    directly as a prime contractor or indirectly for others as a subcontractor to government entities, representing approximately <span id="xdx_908_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pid_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember_zrNlgpKXyT8g" title="Net revenues" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_us-gaap_SalesRevenueNetMember_us-gaap_CustomerConcentrationRiskMember_custom_DomesticAndForeignGovernmentMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">60,812,000</ix:nonFraction></span>
    or <span id="xdx_908_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember_z3BoNprriHDa" title="Concentration risk, percentage" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:ConcentrationRiskPercentage1" contextRef="From2021-01-012021-12-31_us-gaap_SalesRevenueNetMember_us-gaap_CustomerConcentrationRiskMember_custom_DomesticAndForeignGovernmentMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">84.2</ix:nonFraction>%</span>
    of total revenue for 2021 and <span id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pid_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember_z6dAUDyJrxd2" title="Net revenues" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_us-gaap_SalesRevenueNetMember_us-gaap_CustomerConcentrationRiskMember_custom_DomesticAndForeignGovernmentMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">96,582,000</ix:nonFraction></span>
    or <span id="xdx_901_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember_zGAoZGR5xSP4" title="Concentration risk, percentage" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:ConcentrationRiskPercentage1" contextRef="From2020-01-012020-12-31_us-gaap_SalesRevenueNetMember_us-gaap_CustomerConcentrationRiskMember_custom_DomesticAndForeignGovernmentMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">91.6</ix:nonFraction>%</span>
    of total revenue for 2020. The following reflects such revenue generated by our two segments:</ix:footnote></span></td></tr>
  </table>

<table cellpadding="0" cellspacing="0" summary="xdx: Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details)" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0">
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F06_zvBpbpyXNhC2">(4)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F1B_zGIWMSE4spU9" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote002434" xml:lang="en-US">The
                                            following table reflects revenue based on customer location:</ix:footnote></span></td></tr>
</table>

<table cellpadding="0" cellspacing="0" summary="xdx: Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details)" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0">
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td id="xdx_F07_zdt0MJua4YI3" style="font: 10pt Times New Roman, Times, Serif; width: 13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(5)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F12_zXnNmdiCSQtc" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote002435" xml:lang="en-US">Amount
                                            includes assets from our discontinued operations of $<span id="xdx_90C_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20211231_zMxArjQKn737" title="Assets of disposal group including discontinued operation including not held for sale" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="PESI:AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">96,000</ix:nonFraction></span> and $<span id="xdx_900_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20201231_zyIYQYgdGwXd" title="Assets of disposal group including discontinued operation including not held for sale" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="PESI:AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">103,000</ix:nonFraction></span> at December 31,
                                            2021 and 2020, respectively.</ix:footnote></span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td id="xdx_F04_zdl3HpsCC2Eg" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(6)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F1D_zWmISz6qCRfb" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote002440" xml:lang="en-US">Net
                                            of debt discount/debt issuance costs of ($<span id="xdx_906_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20211231_zOUUwwU4N4La" title="Debt issuance costs" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:DeferredFinanceCostsNet" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">112,000</ix:nonFraction></span>) and ($<span id="xdx_90F_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20201231_zqflA2cGoJya" title="Debt issuance costs" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:DeferredFinanceCostsNet" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">105,000</ix:nonFraction></span>) for 2021 and 2020, respectively
                                            (see &#8220;Note 10 &#8211; &#8220;Long-Term Debt&#8221; for additional information).</ix:footnote></span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0A_zk5PVX0lT6z5">(7)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F1F_zrBcgh7PDF6k" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote002445" xml:lang="en-US">Net
                                            of financed amount of $<span id="xdx_90E_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20210101__20211231_z27nqqcMuVg1" title="Financed portion amount in the purchase of capital expenditure" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="PESI:FinancedPortionAmountInPurchaseOfCapitalExpenditure" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">585,000</ix:nonFraction></span> and $<span id="xdx_90C_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20200101__20201231_zeM5sHuj1x03" title="Financed portion amount in the purchase of capital expenditure" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="PESI:FinancedPortionAmountInPurchaseOfCapitalExpenditure" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">883,000</ix:nonFraction></span> for the year ended December 31, 2021 and 2020,
                                            respectively.</ix:footnote></span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0F_zEz4vAZyE3Ta">(8)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F1A_zBd2LGA38Jvh" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote002450" xml:lang="en-US">Includes
                                            long-lived asset (net) for our PF Canada, Inc. subsidiary of $<span id="xdx_90D_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20211231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_zbjdNmwS4S87" title="Long-lived asset (net)" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:PropertyPlantAndEquipmentNet" contextRef="AsOf2021-12-31_srt_ParentCompanyMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">25,000</ix:nonFraction></span> and $<span id="xdx_906_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20201231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_z668KDn1vrw8" title="Long-lived asset (net)" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:PropertyPlantAndEquipmentNet" contextRef="AsOf2020-12-31_srt_ParentCompanyMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">33,000</ix:nonFraction></span> for the
                                            year ended December 31, 2021 and 2020, respectively.</ix:footnote></span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F05_zXISe2xh6Ee7">(9)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F15_zY94RjQGVGbh" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote002455" xml:lang="en-US">Amount
                                            includes approximately $<span id="xdx_90E_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pid_c20210101__20211231__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zBqzi4Gl24wf" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" title="Gain on extinguishment of debt"><ix:nonFraction name="us-gaap:GainsLossesOnExtinguishmentOfDebt" contextRef="From2021-01-012021-12-31_custom_PaycheckProtectionProgramLoanMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">5,381,000</ix:nonFraction></span> of &#8220;Gain on extinguishment of debt&#8221; recorded
                                            in connection with the Company&#8217;s PPP Loan which was forgiven by the SBA effective June
                                            15, 2021 (see &#8220;Note 10 &#8211; Long Term Debt &#8211; PPP Loan&#8221; for information
                                            of this loan forgiveness).</ix:footnote></span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td id="xdx_F0E_zUhiJfT0sTu7" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(10)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F10_zdLhZr9HSYGj" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote002458" xml:lang="en-US">Includes
                                            tax benefit recorded in amount of approximately $<span id="xdx_904_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_pid_c20210701__20210930_zPuvB5nPxMnc" title="Income tax benefit valuation allowance" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" contextRef="From2021-07-012021-09-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">2,351,000</ix:nonFraction></span> resulting from release of valuation
                                            allowance on the Company&#8217;s deferred tax assets (see &#8220;Note 13 Income Taxes&#8221;
                                            for a discussion of this tax benefit).</ix:footnote></span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td id="xdx_F00_zlVrHas1itVj" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(11)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F1A_zEPzJQA1k2u3" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote002461" xml:lang="en-US">Includes
                                            elimination of gain/loss of $<span id="xdx_907_eus-gaap--DebtInstrumentDecreaseForgiveness_pid_c20210101__20211231_z5joKvpaezbj" title="Debt instrument, decrease, forgivenes" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:DebtInstrumentDecreaseForgiveness" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">2,537,000</ix:nonFraction></span> in debt forgiveness between PFM Poland and the Company
                                            (see &#8220;Note 14 &#8211; PF Medical for a discussion of this debt forgiveness.</ix:footnote></span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td id="xdx_F02_zuh36uNPNNO7" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(12)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F16_z9gBfUuKR9c5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote002464" xml:lang="en-US">Amount
                                            includes a &#8220;Loss on deconsolidation of subsidiary&#8221; recorded in the amount of
                                            approximately $<span id="xdx_901_eus-gaap--DeconsolidationGainOrLossAmount_iN_pip0_di_c20210101__20211231_zi540Q0xidPi" title="Deconsolidation, gain  (Loss),  amount" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:DeconsolidationGainOrLossAmount" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" sign="-" unitRef="USD">1,062,000</ix:nonFraction></span> resulting from the sale of PFM Poland (see &#8220;Note 14 &#8211;
                                            PF Medical for a discussion of this loss).</ix:footnote></span></td></tr>
</table>

<p style="margin-top: 0; margin-bottom: 0"></p>
</ix:nonNumeric><p id="xdx_8A4_zm2F43tno5wd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock"><p id="xdx_89E_eus-gaap--ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock_zVFmL4nDcv0i" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 20pt"><span id="xdx_8B2_zrwosZVVLwZ" style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">SCHEDULE OF REVENUE BY MAJOR CUSTOMERS BY REPORTING SEGMENTS</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zernlPOLD4Yg" title="Domestic government" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2020-01-012020-12-31_custom_DomesticGovernmentMember_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">68,237</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Foreign government</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_986_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_z9RN8fejMmfh" title="Foreign government" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-01-012021-12-31_custom_ForeignGovernmentMember_custom_TreatmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">577</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zF6zZvlhrSai" title="Foreign government" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-01-012021-12-31_custom_ForeignGovernmentMember_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">8,684</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zMjHrK0uw0mh" title="Foreign government" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-01-012021-12-31_custom_ForeignGovernmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">9,261</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zbXLk9Vp2cXe" title="Foreign government" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2020-01-012020-12-31_custom_ForeignGovernmentMember_custom_TreatmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">415</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zQG4pkPcERY9" title="Foreign government" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2020-01-012020-12-31_custom_ForeignGovernmentMember_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">5,135</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zWTi3vpMjjo5" title="Foreign government" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2020-01-012020-12-31_custom_ForeignGovernmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">5,550</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zaajcg2u0Pve" title="Total" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-01-012021-12-31_custom_TreatmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">23,115</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zbMaOtsTBT78" title="Total" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-01-012021-12-31_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">37,697</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20210101__20211231_zUjbUqLHHpzj" title="Total" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">60,812</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zycim0QbSnM5" title="Total" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2020-01-012020-12-31_custom_TreatmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">23,210</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zgxaJ87K3n8d" title="Total" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2020-01-012020-12-31_custom_ServicesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">73,372</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20200101__20201231_zhtEi6cdf5y4" title="Total" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">96,582</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

</ix:nonNumeric><p id="xdx_8AF_z1zd1w8V7GZ4" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 20pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; display: none; margin: 0pt; text-align: justify; text-indent: 20pt"><span id="xdx_C02_gL3SOSRIBSTB-SOTSPE_zDbTRzZbkZrd"><ix:continuation continuedAt="ConU002086-02" id="ConU002086-01">&#160;</ix:continuation></span></p>

<div id="xdx_C01_gL3SOSRIBSTB-SOTSPE_zns8vSluQmLb"><ix:continuation continuedAt="ConU002086-03" id="ConU002086-02"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 20pt"><span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></span></p>

<table cellpadding="0" cellspacing="0" summary="xdx: Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details)" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0"></td><td style="font: 10pt Times New Roman, Times, Serif; width: 13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F00_zjfqCl1itOR3">(4)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F1E_zcD3nCtfAx46" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote002505" xml:lang="en-US">The
                                            following table reflects revenue based on customer location:</ix:footnote></span></td></tr></table>

</ix:continuation></div><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span id="xdx_C0C_gL3SOSRIBSTB-SOTSPE_zkay3tdzY55a"><ix:continuation continuedAt="ConU002086-04" id="ConU002086-03"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;</span></ix:continuation></span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:RevenueFromExternalCustomersByGeographicAreasTableTextBlock"><p id="xdx_890_eus-gaap--RevenueFromExternalCustomersByGeographicAreasTableTextBlock_zsRn3husty05" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify">&#160;<span id="xdx_8B7_z21RDHkmmhy7" style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">SCHEDULE
OF REVENUE BASED ON CUSTOMER LOCATION</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49A_20210101__20211231_z90rTw9Imm5g" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_493_20200101__20201231_zbd0Ws92EXs9" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_408_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hsrt--StatementGeographicalAxis__country--US_zwN7e1w46Yy2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">United States</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_country_US" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">62,257</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_country_US" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">99,790</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hsrt--StatementGeographicalAxis__country--CA_zCOahG1gYpl9" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Canada</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_country_CA" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">9,277</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_country_CA" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">5,550</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hsrt--StatementGeographicalAxis__country--DE_z62lxPmy6Wk2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Germany</span></p></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_country_DE" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">567</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right"><p style="font: 8.5pt/107% Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl2516">&#8212;</span></span></p><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hsrt--StatementGeographicalAxis__country--GB_zEV3uKlZmZBh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">United Kingdom</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-12-31_country_GB" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">90</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31_country_GB" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">86</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_406_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_zvFzAmSfKOwh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">72,191</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">105,426</ix:nonFraction></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

</ix:nonNumeric><p id="xdx_8A0_zhOWX75O1sbl" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 20pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<ix:exclude><!-- Field: Page; Sequence: 75; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->73<!-- Field: /Sequence --></td></tr></table></div>
    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>
<div id="xdx_C08_gL3SOSRIBSTB-SOTSPE_zpqGEfXcpF3d"><ix:continuation continuedAt="ConU002086-05" id="ConU002086-04"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>
<table cellpadding="0" cellspacing="0" summary="xdx: Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details)" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td id="xdx_F03_zuXj8rW3CUNf" style="font: 10pt Times New Roman, Times, Serif; width: 13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(5)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F15_z88JAqpNLMv3" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote002523" xml:lang="en-US">Amount
                                            includes assets from our discontinued operations of $<span id="xdx_902_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20211231_zzU11uniMzSa" title="Assets of disposal group including discontinued operation including not held for sale" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="PESI:AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">96,000</ix:nonFraction></span> and $<span id="xdx_90D_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20201231_zpH0szXn1AQ1" title="Assets of disposal group including discontinued operation including not held for sale" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="PESI:AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">103,000</ix:nonFraction></span> at December 31,
                                            2021 and 2020, respectively.</ix:footnote></span></td></tr><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>

<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td id="xdx_F0B_ztpUQuASXdCi" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(6)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F13_zEL7gmEsW8Z" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote002528" xml:lang="en-US">Net
                                            of debt discount/debt issuance costs of ($<span id="xdx_901_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20211231_zkI2uVvINRt1" title="Debt issuance costs" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:DeferredFinanceCostsNet" contextRef="AsOf2021-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">112,000</ix:nonFraction></span>) and ($<span id="xdx_900_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20201231_zZO6vYnu6qL" title="Debt issuance costs" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:DeferredFinanceCostsNet" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">105,000</ix:nonFraction></span>) for 2021 and 2020, respectively
                                            (see &#8220;Note 10 &#8211; &#8220;Long-Term Debt&#8221; for additional information).</ix:footnote></span></td></tr><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>

<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0B_zxnPwjRXbZv3">(7)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F19_zJcRQphzLHQ5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote002533" xml:lang="en-US">Net
                                            of financed amount of $<span id="xdx_901_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20210101__20211231_zi546SNfv35f" title="Financed portion amount in the purchase of capital expenditure" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="PESI:FinancedPortionAmountInPurchaseOfCapitalExpenditure" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">585,000</ix:nonFraction></span> and $<span id="xdx_90D_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20200101__20201231_zySP0RoIexle" title="Financed portion amount in the purchase of capital expenditure" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="PESI:FinancedPortionAmountInPurchaseOfCapitalExpenditure" contextRef="From2020-01-012020-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">883,000</ix:nonFraction></span> for the year ended December 31, 2021 and 2020,
                                            respectively.</ix:footnote></span></td></tr><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>

<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F09_zRzGTDPb8v32">(8)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F14_zOMo9Gway4ad" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote002538" xml:lang="en-US">Includes
                                            long-lived asset (net) for our PF Canada, Inc. subsidiary of $<span id="xdx_905_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20211231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_zuqCgkg8Kmi4" title="Long-lived asset (net)" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:PropertyPlantAndEquipmentNet" contextRef="AsOf2021-12-31_srt_ParentCompanyMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">25,000</ix:nonFraction></span> and $<span id="xdx_902_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20201231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_zHcOyT3a3QEc" title="Long-lived asset (net)" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:PropertyPlantAndEquipmentNet" contextRef="AsOf2020-12-31_srt_ParentCompanyMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">33,000</ix:nonFraction></span> for the
                                            year ended December 31, 2021 and 2020, respectively.</ix:footnote></span></td></tr><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>

<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0C_ze6jeaPeoMMd">(9)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F18_zbHrKAO2X7Rf" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote002543" xml:lang="en-US">Amount
                                            includes approximately $<span id="xdx_90F_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pid_c20210101__20211231__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zNqcYUv829x1" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" title="Gain on extinguishment of debt"><ix:nonFraction name="us-gaap:GainsLossesOnExtinguishmentOfDebt" contextRef="From2021-01-012021-12-31_custom_PaycheckProtectionProgramLoanMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">5,381,000</ix:nonFraction></span> of &#8220;Gain on extinguishment of debt&#8221; recorded
                                            in connection with the Company&#8217;s PPP Loan which was forgiven by the SBA effective June
                                            15, 2021 (see &#8220;Note 10 &#8211; Long Term Debt &#8211; PPP Loan&#8221; for information
                                            of this loan forgiveness).</ix:footnote></span></td></tr><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>

<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td id="xdx_F0E_zKEmyRF337Ia" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(10)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F10_zPDbPBhk2ESa" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote002546" xml:lang="en-US">Includes
                                            tax benefit recorded in amount of approximately $<span id="xdx_905_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_pid_c20210701__20210930_zrS5nbEUok0l" title="Income tax benefit valuation allowance" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" contextRef="From2021-07-012021-09-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">2,351,000</ix:nonFraction></span> resulting from release of valuation
                                            allowance on the Company&#8217;s deferred tax assets (see &#8220;Note 13 Income Taxes&#8221;
                                            for a discussion of this tax benefit).</ix:footnote></span></td></tr><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>

<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td id="xdx_F0B_zKtOMKshQXpj" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(11)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F19_zaxOHAfBP0bc" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote002549" xml:lang="en-US">Includes
                                            elimination of gain/loss of $<span id="xdx_904_eus-gaap--DebtInstrumentDecreaseForgiveness_pid_c20210101__20211231_zPnmx8rtCul3" title="Debt instrument, decrease, forgivenes" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:DebtInstrumentDecreaseForgiveness" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">2,537,000</ix:nonFraction></span> in debt forgiveness between PFM Poland and the Company
                                            (see &#8220;Note 14 &#8211; PF Medical for a discussion of this debt forgiveness.</ix:footnote></span></td></tr><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>

<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td id="xdx_F0D_zxE5AjHcDrh5" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(12)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F11_zE6DVPjUS3za" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><ix:footnote id="Footnote002552" xml:lang="en-US">Amount
                                            includes a &#8220;Loss on deconsolidation of subsidiary&#8221; recorded in the amount of
                                            approximately $<span id="xdx_900_eus-gaap--DeconsolidationGainOrLossAmount_iN_pip0_di_c20210101__20211231_zjsXwuxTeaZa" title="Deconsolidation, gain  (Loss),  amount" class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA"><ix:nonFraction name="us-gaap:DeconsolidationGainOrLossAmount" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" sign="-" unitRef="USD">1,062,000</ix:nonFraction></span> resulting from the sale of PFM Poland (see &#8220;Note 14 &#8211;
                                            PF Medical for a discussion of this loss).</ix:footnote></span></td></tr></table>

</ix:continuation></div><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: 20pt"><span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_C0F_gL3SOSRIBSTB-SOTSPE_zzqMhuDSBvB6"><ix:continuation id="ConU002086-05">&#160;</ix:continuation></span></span></span>&#160;</p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="PESI:DeferralOfEmploymentTaxDepositsTextBlock"><p id="xdx_800_ecustom--DeferralOfEmploymentTaxDepositsTextBlock_zUzySeqaAzp8" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
19</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_823_zksbO3oFuoAc">DEFERRAL
OF EMPLOYMENT TAX DEPOSITS</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
CARES Act, as amended by the Flexibility Act which was signed into law on June 5, 2020, provides employers the option to defer the payment
of an employer&#8217;s share of social security taxes beginning on March 27, 2020 through December 31, 2020 with <span id="xdx_904_ecustom--PercentageOfSocialSecurityTaxesDeferredPayable_pid_dp_c20210101__20211231__us-gaap--AwardDateAxis__custom--DecemberThirtyOneTwoThousandAndTwentyOneMember__us-gaap--TypeOfArrangementAxis__custom--DeferralofEmploymentTaxDepositsMember_zAn0FJ3KNmW5" title="Percentage of social security taxes deferred payable"><ix:nonFraction name="PESI:PercentageOfSocialSecurityTaxesDeferredPayable" contextRef="From2021-01-012021-12-31_custom_DecemberThirtyOneTwoThousandAndTwentyOneMember_custom_DeferralofEmploymentTaxDepositsMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">50</ix:nonFraction>%</span> of the amount of
social security taxes deferred to become due on December 31, 2021 with the remaining <span id="xdx_902_ecustom--PercentageOfSocialSecurityTaxesDeferredPayable_pid_dp_c20210101__20211231__us-gaap--AwardDateAxis__custom--DecemberThirtyOneTwoThousandAndTwentyTwoMember__us-gaap--TypeOfArrangementAxis__custom--DeferralofEmploymentTaxDepositsMember_zfJNwKSRL4wj" title="Percentage of social security taxes deferred payable"><ix:nonFraction name="PESI:PercentageOfSocialSecurityTaxesDeferredPayable" contextRef="From2021-01-012021-12-31_custom_DecemberThirtyOneTwoThousandAndTwentyTwoMember_custom_DeferralofEmploymentTaxDepositsMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">50</ix:nonFraction>%</span> due on December 31, 2022. The Company&#8217;s
deferment of such taxes totaled approximately $<span id="xdx_909_ecustom--SocialSecurityTaxesAmountPayable_iI_pip0_c20211231__us-gaap--TypeOfArrangementAxis__custom--DeferralofEmploymentTaxDepositsMember_zfKappgF2PZ8" title="Social security taxes amount payable"><ix:nonFraction name="PESI:SocialSecurityTaxesAmountPayable" contextRef="AsOf2021-12-31_custom_DeferralofEmploymentTaxDepositsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">1,252,000</ix:nonFraction></span> of which approximately $<span id="xdx_90F_ecustom--PaymentOfSocialSecurityTaxesAmount_pid_c20211201__20211231_ziTPxeFTQM48" title="Payment of social security taxes amount"><ix:nonFraction name="PESI:PaymentOfSocialSecurityTaxesAmount" contextRef="From2021-12-012021-12-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">626,000</ix:nonFraction></span> was paid in December 2021. At December 31, 2021,
the remaining $<span id="xdx_903_ecustom--RemainingPaymentOfSocialSecurityTaxesAmount_pip0_c20210101__20211231_zwv9Dgnu8Oni" title="Remaining payment of social security taxes amount"><ix:nonFraction name="PESI:RemainingPaymentOfSocialSecurityTaxesAmount" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">626,000</ix:nonFraction></span> in deferred social security taxes was included in &#8220;Accrued expenses&#8221; within current liabilities in
the Company&#8217;s Consolidated Balance Sheets.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: -13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:VariableInterestEntityDisclosureTextBlock"><p id="xdx_805_eus-gaap--VariableInterestEntityDisclosureTextBlock_z6r2oxFe4zla" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
20</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_825_zPnEgAGOH9B1">VARIABLE
INTEREST ENTITIES (&#8220;VIE&#8221;)</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company and Engineering/Remediation Resources Group, Inc. (&#8220;ERRG&#8221;) previously entered into an unpopulated joint venture agreement
for project work bids within the Company&#8217;s Services Segment with the joint venture doing business as Perma-Fix ERRG, a general
partnership. The Company has a <span id="xdx_90B_eus-gaap--VariableInterestEntityOwnershipPercentage_pid_dp_c20210101__20211231_zoWvUIAOvakd" title="Partnership interest rate"><ix:nonFraction name="us-gaap:VariableInterestEntityOwnershipPercentage" contextRef="From2021-01-01to2021-12-31" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">51</ix:nonFraction>%</span> partnership interest in the joint venture and ERRG has a <span id="xdx_905_eus-gaap--VariableInterestEntityOwnershipPercentage_pid_dp_c20210101__20211231__dei--LegalEntityAxis__custom--EngineeringRemediationResourcesGroupIncMember_z97RovoFVNn7" title="Partnership interest rate"><ix:nonFraction name="us-gaap:VariableInterestEntityOwnershipPercentage" contextRef="From2021-01-012021-12-31_custom_EngineeringRemediationResourcesGroupIncMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">49</ix:nonFraction>%</span> partnership interest in the joint venture.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company determines whether joint ventures in which it has invested meet the criteria of a VIE at the start of each new venture and when
a reconsideration event has occurred. A VIE is a legal entity that satisfies any of the following characteristics: (a) the legal entity
does not have sufficient equity investment at risk; (b) the equity investors at risk as a group, lack the characteristics of a controlling
financial interest; or (c) the legal entity is structured with disproportionate voting rights.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company consolidates a VIE if it is determined to be the primary beneficiary of the VIE. The primary beneficiary has both the power to
direct the activities of the VIE that most significantly impact the entity&#8217;s economic performance and the obligation to absorb
losses or the right to receive benefits from the VIE that could potentially be significant to the VIE.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Based
on the Company&#8217;s evaluation of Perma-Fix ERRG and related agreements with Perma-Fix ERRG, the Company determined that Perma-Fix
ERRG continues to be a VIE in which the Company is the primary beneficiary. At December 31, 2021, Perma-Fix ERRG had total assets of
$<span id="xdx_90C_eus-gaap--Assets_iI_pid_c20211231__dei--LegalEntityAxis__custom--PermaFixERRGMember_zRIZP2a7GKef" title="Total assets"><ix:nonFraction name="us-gaap:Assets" contextRef="AsOf2021-12-31_custom_PermaFixERRGMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">1,423,000</ix:nonFraction></span> and total liabilities of $<span id="xdx_907_eus-gaap--Liabilities_iI_pid_c20211231__dei--LegalEntityAxis__custom--PermaFixERRGMember_zNVnoV0sqlK4" title="Total liabilities"><ix:nonFraction name="us-gaap:Liabilities" contextRef="AsOf2021-12-31_custom_PermaFixERRGMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">1,423,000</ix:nonFraction></span> which are all recorded as current. </span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>


<ix:exclude><!-- Field: Page; Sequence: 76; Value: 34 -->
    <div style="border-bottom: Black 1.5pt solid; margin-bottom: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="text-align: center; width: 100%"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->74<!-- Field: /Sequence --></td></tr></table></div>
    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2021-01-01to2021-12-31" escape="true" name="us-gaap:SubsequentEventsTextBlock"><p id="xdx_80A_eus-gaap--SubsequentEventsTextBlock_z4IQrlZqP5mb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
21</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span><span id="xdx_829_z0PH6Lo4XUs3">SUBSEQUENT
EVENTS</span></span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Management
evaluated events occurring subsequent to December 31, 2021 through April 6, 2022, the date these consolidated financial statements
were available for issuance, and other than as noted below determined that no material recognizable subsequent events occurred.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Executive
Compensation</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Compensation Committee and the Board determined that no performance payment would be made to each executive officer under his 2021 MIP.
In lieu of any performance payment to each executive officer under his 2021 MIP and in an attempt to retain the executive officer, on
January 20, 2022, the Compensation Committee and the Board determined that the base annual compensation for each executive officer for
2022 is increased by approximately <span id="xdx_904_ecustom--PercentageIncreaseInAnnualCompensation_pid_dp_c20220101__20220102__srt--TitleOfIndividualAxis__srt--ExecutiveOfficerMember__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_zHR8JE6Pf2Qa" title="Increase in annual compensation"><ix:nonFraction name="PESI:PercentageIncreaseInAnnualCompensation" contextRef="From2022-01-012022-01-02_srt_ExecutiveOfficerMember_us-gaap_SubsequentEventMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">6.4</ix:nonFraction>%</span>, effective January 1, 2022, to offset the cost of living increase.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
January 20, 2022, the Board and the Compensation Committee also approved individual MIP for the calendar year 2022 for each of our executives
officers. Each MIP is effective January 1, 2022 and applicable for year 2022. Each MIP provides guidelines for the calculation of annual
cash incentive-based compensation, subject to Compensation Committee oversight and modification. The performance compensation under each
of the MIPs is based upon meeting certain of the Company&#8217;s separate target objectives during 2022. Assuming each target objective
is achieved under the same performance threshold range under each MIP, the total potential target performance compensation payable ranges
from <span id="xdx_90A_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--CEOMember_zOcCnGLfQsl2" title="Compensation arrangement with individual, cash awards, minimum, percentage"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMinimumPercentage" contextRef="From2022-01-192022-01-20_us-gaap_SubsequentEventMember_custom_CEOMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">25</ix:nonFraction>%</span> to <span id="xdx_901_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--CEOMember_zWLeDDmDBJMa" title="Compensation arrangement with individual, cash awards, maximum, percentage"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMaximumPercentage" contextRef="From2022-01-192022-01-20_us-gaap_SubsequentEventMember_custom_CEOMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">150</ix:nonFraction>%</span> of the 2022 base salary for the CEO ($<span id="xdx_904_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--CEOMember_zexWWltw9XB4" title="Compensation arrangement with individual, cash awards, minimum, amount"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMinimumAmount" contextRef="AsOf2022-01-20_us-gaap_SubsequentEventMember_custom_CEOMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">93,717</ix:nonFraction></span> to $<span id="xdx_900_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--CEOMember_zVP152FFJjz4" title="Compensation arrangement with individual, cash awards, maximum, amount"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMaximumAmount" contextRef="AsOf2022-01-20_us-gaap_SubsequentEventMember_custom_CEOMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">562,304</ix:nonFraction></span>), <span id="xdx_906_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_zGodCbQhvsc8" title="Compensation arrangement with individual, cash awards, minimum, percentage"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMinimumPercentage" contextRef="From2022-01-192022-01-20_us-gaap_SubsequentEventMember_srt_ChiefFinancialOfficerMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">25</ix:nonFraction>%</span> to <span id="xdx_90D_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_zy0DuMCsJghc" title="Compensation arrangement with individual, cash awards, maximum, percentage"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMaximumPercentage" contextRef="From2022-01-192022-01-20_us-gaap_SubsequentEventMember_srt_ChiefFinancialOfficerMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">100</ix:nonFraction>%</span> of the 2022 base salary for the CFO ($<span id="xdx_906_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_zXdp8GW8VZag" title="Compensation arrangement with individual, cash awards, minimum, amount"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMinimumAmount" contextRef="AsOf2022-01-20_us-gaap_SubsequentEventMember_srt_ChiefFinancialOfficerMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">76,193</ix:nonFraction></span>
to $<span id="xdx_907_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_pp0p0" title="Compensation arrangement with individual, cash awards, maximum, amount"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMaximumAmount" contextRef="AsOf2022-01-20_us-gaap_SubsequentEventMember_srt_ChiefFinancialOfficerMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">304,772</ix:nonFraction></span>), <span id="xdx_901_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_z11c0tPYWOM5" title="Compensation arrangement with individual, cash awards, minimum, percentage"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMinimumPercentage" contextRef="From2022-01-192022-01-20_us-gaap_SubsequentEventMember_custom_ExecutiveVicePresidentOfStrategicInitiativesMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">25</ix:nonFraction>%</span> to <span id="xdx_90C_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_zaP9JV7UckT9" title="Compensation arrangement with individual, cash awards, maximum, percentage"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMaximumPercentage" contextRef="From2022-01-192022-01-20_us-gaap_SubsequentEventMember_custom_ExecutiveVicePresidentOfStrategicInitiativesMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">100</ix:nonFraction>%</span> of the 2022 base salary for the EVP of Strategic Initiatives ($<span id="xdx_90A_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_pp0p0" title="Compensation arrangement with individual, cash awards, minimum, amount"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMinimumAmount" contextRef="AsOf2022-01-20_us-gaap_SubsequentEventMember_custom_ExecutiveVicePresidentOfStrategicInitiativesMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">63,495</ix:nonFraction></span> to $<span id="xdx_906_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_zXjrkSJVWrBa" title="Compensation arrangement with individual, cash awards, maximum, amount"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMaximumAmount" contextRef="AsOf2022-01-20_us-gaap_SubsequentEventMember_custom_ExecutiveVicePresidentOfStrategicInitiativesMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">253,980</ix:nonFraction></span>), <span id="xdx_90C_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zfnBBbaO1kLe" title="Compensation arrangement with individual, cash awards, minimum, percentage"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMinimumPercentage" contextRef="From2022-01-192022-01-20_us-gaap_SubsequentEventMember_custom_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">25</ix:nonFraction>%</span> to <span id="xdx_909_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zNA5o89fdIQf" title="Compensation arrangement with individual, cash awards, maximum, percentage"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMaximumPercentage" contextRef="From2022-01-192022-01-20_us-gaap_SubsequentEventMember_custom_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">100</ix:nonFraction>%</span> of the 2022
base salary for the EVP of Nuclear and Technical Services ($<span id="xdx_906_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zlRAoeWy7F2l" title="Compensation arrangement with individual, cash awards, minimum, amount"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMinimumAmount" contextRef="AsOf2022-01-20_us-gaap_SubsequentEventMember_custom_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">76,193</ix:nonFraction></span> to $<span id="xdx_903_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zB4FS5tqbQol" title="Compensation arrangement with individual, cash awards, maximum, amount"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMaximumAmount" contextRef="AsOf2022-01-20_us-gaap_SubsequentEventMember_custom_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">304,772</ix:nonFraction></span>) and <span id="xdx_908_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_zvzgcAbxl8Kf" title="Compensation arrangement with individual, cash awards, minimum, percentage"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMinimumPercentage" contextRef="From2022-01-192022-01-20_us-gaap_SubsequentEventMember_custom_ExecutiveVicePresidentOfWasteTreatmentOperationsMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">25</ix:nonFraction>%</span> to <span id="xdx_90D_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_zpd3iQFTAdn" title="Compensation arrangement with individual, cash awards, maximum, percentage"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMaximumPercentage" contextRef="From2022-01-192022-01-20_us-gaap_SubsequentEventMember_custom_ExecutiveVicePresidentOfWasteTreatmentOperationsMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">100</ix:nonFraction>%</span> ($<span id="xdx_901_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_pp0p0" title="Compensation arrangement with individual, cash awards, minimum, amount"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMinimumAmount" contextRef="AsOf2022-01-20_us-gaap_SubsequentEventMember_custom_ExecutiveVicePresidentOfWasteTreatmentOperationsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">65,308</ix:nonFraction></span> to $<span id="xdx_903_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_pp0p0" title="Compensation arrangement with individual, cash awards, maximum, amount"><ix:nonFraction name="PESI:CompensationArrangementWithIndividualCashAwardsMaximumAmount" contextRef="AsOf2022-01-20_us-gaap_SubsequentEventMember_custom_ExecutiveVicePresidentOfWasteTreatmentOperationsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">261,233</ix:nonFraction></span>) of the 2022 base
salary for the EVP of Waste Treatment Operations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Credit
Facility</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
March 29, 2022, the Company entered into an amendment to its Loan Agreement with its lender which provided, among other things,
the following:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">waived
    the Company&#8217;s failure to meet the minimum quarterly FCCR requirement for the fourth quarter of 2021;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">removes
    the quarterly FCCR testing requirement for the first quarter of 2022;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">reinstates
    <span id="xdx_90F_eus-gaap--LineOfCreditFacilityDescription_c20220327__20220329__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_zviEGtGFNzR6" title="Credit facility, description"><ix:nonNumeric contextRef="From2022-03-272022-03-29_us-gaap_SubsequentEventMember" name="us-gaap:LineOfCreditFacilityDescription">the quarterly FCCR testing requirement starting for the second quarter of 2022 and revises the methodology to be used in calculating
    the FCCR for the quarters ending June 30, 2022, September 30, 2022, and December 31, 2022 (with no change to the minimum 1.15:1 ratio
    requirement for each quarter)</ix:nonNumeric></span>;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">requires
    maintenance of a minimum of $<span id="xdx_90A_eus-gaap--LineOfCreditFacilityCurrentBorrowingCapacity_iI_pid_c20220630__srt--StatementScenarioAxis__srt--ScenarioForecastMember__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zxhTguQ5gh47" title="Line of credit facility, equipment line"><ix:nonFraction name="us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity" contextRef="AsOf2022-06-30_srt_ScenarioForecastMember_us-gaap_RevolvingCreditFacilityMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">3,000,000</ix:nonFraction></span> in borrowing availability under the revolving credit until the minimum FCCR requirement for
    the quarter ended June 30, 2022 has been met and certified to the lender; and</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">revises
    the annual rate used to calculate the Facility Fee (as defined in the Loan Agreement) on the revolving credit, with addition of the
    capital expenditure line, from <span id="xdx_90D_eus-gaap--LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_pid_dp_uPure_c20220327__20220329__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--RangeAxis__srt--MinimumMember_zbJnsRtpndG5" title="Percentage of unused line fees"><ix:nonFraction name="us-gaap:LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" contextRef="From2022-03-272022-03-29_us-gaap_SubsequentEventMember_srt_MinimumMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">0.375</ix:nonFraction>%</span> to <span id="xdx_90E_eus-gaap--LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_pid_dp_uPure_c20220327__20220329__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--RangeAxis__srt--MaximumMember_zvo9UbmrJNN" title="Percentage of unused line fees"><ix:nonFraction name="us-gaap:LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" contextRef="From2022-03-272022-03-29_us-gaap_SubsequentEventMember_srt_MaximumMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">0.500</ix:nonFraction>%</span>. Upon meeting the minimum FCCR requirement of 1;15:1 on a twelve month trailing basis,
    the Facility Fee rate of <span id="xdx_907_eus-gaap--LineOfCreditFacilityInterestRateDuringPeriod_pid_dp_uPure_c20220327__20220329__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_znZU7QXb12ok" title="Interest rate"><ix:nonFraction name="us-gaap:LineOfCreditFacilityInterestRateDuringPeriod" contextRef="From2022-03-272022-03-29_us-gaap_SubsequentEventMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">0.375</ix:nonFraction>%</span> will be reinstated.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
connection with the amendment, we paid our lender a fee of $<span id="xdx_904_eus-gaap--DebtInstrumentFeeAmount_iI_c20220329__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--LenderMember_zdb10TFwcNXl" title="Debt instrument fees"><ix:nonFraction name="us-gaap:DebtInstrumentFeeAmount" contextRef="AsOf2022-03-29_us-gaap_SubsequentEventMember_custom_LenderMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">15,000</ix:nonFraction></span>.</span></p>

</ix:nonNumeric><p id="xdx_817_zkflzyvM6wv2" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<!-- Field: Page; Sequence: 77; Value: 34 -->
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    <!-- Field: /Page -->

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.7in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="Vi_001"></span>ITEM
    9.</b></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.1in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>CHANGES
    IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE</b></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">None.</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="Vi_002"></span>ITEM
    9A.</b></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>CONTROLS
    AND PROCEDURES</b></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Evaluation
    of disclosure controls and procedures.</i></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
    maintain disclosure controls and procedures that are designed to ensure that information required to be disclosed in our periodic
    reports filed with the Securities and Exchange Commission (the &#8220;Commission&#8221;) is recorded, processed, summarized and reported
    within the time periods specified in the rules and forms of the Commission and that such information is accumulated and communicated
    to our management, including the Chief Executive Officer (&#8220;CEO&#8221;) (Principal Executive Officer), and Chief Financial Officer
    (&#8220;CFO&#8221;) (Principal Financial Officer), as appropriate to allow timely decisions regarding the required disclosure. In
    designing and assessing our disclosure controls and procedures, our management recognizes that any controls and procedures, no matter
    how well designed and operated, can provide only reasonable assurance of achieving their stated control objectives and are subject
    to certain limitations, including the exercise of judgment by individuals, the difficulty in identifying unlikely future events,
    and the difficulty in eliminating misconduct completely. Our management, with the participation of our CEO and CFO, evaluated the
    effectiveness of our disclosure controls and procedures pursuant to Rule 13a-15(e) and 15d-15(e) of the Securities Exchange Act of
    1934, as amended. Based upon this assessment, our CEO and CFO have concluded that our disclosure controls and procedures were not
    effective as of December 31, 2021, due to a material weakness in our internal control over financial reporting as set forth below.</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Management&#8217;s
    Report on Internal Control over Financial Reporting</i></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
                                            management is responsible for establishing and maintaining adequate internal control over
                                            financial reporting, as such term is defined in Rules 13a-15(f) and 15d-15(f) of the Securities
                                            Exchange Act of 1934. Internal control over financial reporting is designed to provide reasonable
                                            assurance regarding the reliability of financial reporting and the preparation of financial
                                            statements for external purposes in accordance with accounting principles generally accepted
                                            in the United States of America. Because of its inherent limitations, internal control over
                                            financial reporting may not prevent or detect misstatements or fraudulent acts. Also, projections
                                            of any evaluation of effectiveness to future periods are subject to the risk that controls
                                            may become inadequate because of changes in conditions, or that the degree of compliance
                                            with the policies or procedures may deteriorate. A control system, no matter how well designed,
                                            can provide only reasonable assurance with respect to financial statement preparation and
                                            presentation.</span></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Internal
    control over financial reporting includes those policies and procedures that (i) pertain to the maintenance of records that, in reasonable
    detail, accurately and fairly reflect the transactions and dispositions of the assets of the Company; (ii) provide reasonable assurance
    that transactions are recorded as necessary to permit the preparation of the consolidated financial statements in accordance with
    generally accepted accounting principles in the United States of America, and that receipts and expenditures of the Company are being
    made only in accordance with appropriate authorizations of management and directors of the Company; and (iii) provide reasonable
    assurance regarding prevention or timely detection of unauthorized acquisition, use or disposition of the Company&#8217;s assets
    that could have a material effect on the consolidated financial statements.</span></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Management,
    with the participation of our CEO and CFO, conducted an assessment of the effectiveness of internal control over financial reporting
    as of December 31, 2021 based on the framework in <i>Internal Control &#8211; Integrated Framework (2013) </i>issued by the Committee
    of Sponsoring Organizations of the Treadway Commission (&#8220;COSO&#8221;). Based on this assessment, management and our
    CEO and CFO, concluded that the Company&#8217;s internal control over financial reporting was not effective as of December 31, 2021
    due to the following:</span></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Certain
revenue contracts that contained nonstandard terms and conditions were not appropriately evaluated in accordance with ASC 606, &#8220;Revenue
from Contracts with Customers.&#8221; Specifically, management did not have the appropriate controls in place over the determination of revenue recognition for nonroutine and complex revenue transactions. The material weakness identified resulted in errors in the Company's books and records which led to audit adjustments. The errors arising from the underlying revenue adjustments were not material to the financial statements
reported in any interim or annual period and therefore, did not result in a revision to any  previously filed financial statements. However,
the control deficiencies could result in misstatements of the revenue accounts and related disclosures that would result in a material
misstatement to the annual or interim consolidated financial statements that would not be prevented or detected in a timely manner. Accordingly,
we have determined that the control deficiencies when evaluated in the aggregate constitute a material weakness.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Remediation
of Material Weakness in Internal Control Over Financial Reporting</i></span></p>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
material weakness as discussed above was primarily attributed to the uniqueness of certain of the Company&#8217;s contracts that
contain nonstandard terms and conditions. Although the Company&#8217;s policies and procedures were in place to ensure guidance
under ASC 606 were applied to the majority of its contracts accurately, the Control failed to operate in a manner to specifically
identify the nonstandard terms that would impact revenue recognition. The Company is evaluating the material weakness identified and
is developing a plan of remediation to strengthen our internal controls pertaining to evaluating revenue contracts that contain
nonstandard terms and conditions. This remediation plan includes evaluating the manner in which we use third-party consulting firms
with expertise in applying the revenue recognition guidance that will assist management with the assessment and evaluation of
revenue contracts executed that contain nonstandard terms and conditions. In conjunction with further evaluation of this relationship, management will also perform a more rigorous evaluation of these nonstandard revenue contracts in accordance with ASC
606.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company is committed to maintaining a strong internal control environment and believes that these remediation efforts will represent
significant improvements in our controls. The Company has started to implement these steps, however, some of these steps will take time
to be fully integrated and confirmed to be effective and sustainable. Additional controls may also be required over time. Until the remediation
steps set forth above are fully implemented and tested, the material weakness described above will continue to exist.</span></p>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Grant
    Thornton LLP, an independent registered public accounting firm, audited the effectiveness of the Company&#8217;s internal control
    over financial reporting as of December 31, 2021 and based on that audit, issued their report which is included herein.</span></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Changes
    in Internal Control over Financial Reporting</b></span></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Other
    than the aforementioned material weakness and remediation plan noted, there</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">
    was no other change in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange
    Act) during the fiscal quarter ended December 31, 2021 that have materially affected, or are reasonably likely to materially affect,
    our internal controls over financial reporting.</span></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p></td></tr>
  </table><p style="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-top: 0; margin-bottom: 0"></p>

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<p style="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-top: 0; margin-bottom: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>REPORT
OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Board
of Directors and Stockholders</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
Environmental Services, Inc.</span></p>

<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Opinion
on internal control over financial reporting</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
have audited the internal control over financial reporting of Perma-Fix Environmental Services, Inc. (a Delaware corporation) and subsidiaries
(the &#8220;Company&#8221;) as of December 31, 2021, based on criteria established in the 2013 <i>Internal Control&#8212;Integrated Framework
</i>issued by the Committee of Sponsoring Organizations of the Treadway Commission (&#8220;COSO&#8221;). In our opinion, because of the
effect of the material weakness described in the following paragraphs on the achievement of the objectives of the control criteria, the
Company has not maintained effective internal control over financial reporting as of December 31, 2021, based on criteria established
in the 2013 <i>Internal Control&#8212;Integrated Framework</i> issued by COSO.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">A
material weakness is a deficiency, or combination of control deficiencies, in internal control over financial reporting, such that there
is a reasonable possibility that a material misstatement of the company&#8217;s annual or interim financial statements will not be prevented
or detected on a timely basis. The following material weakness has been identified and included in management&#8217;s assessment.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Management
does not have effective controls in place over the determination of revenue recognition for non-standard revenue contracts.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (&#8220;PCAOB&#8221;),
the consolidated financial statements of the Company as of and for the year ended December 31, 2021. The material weakness identified
above was considered in determining the nature, timing, and extent of audit tests applied in our audit of the 2021 consolidated financial
statements, and this report does not affect our report dated April 6, 2022 which expressed an unqualified opinion on those financial
statements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Basis
for opinion</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s management is responsible for maintaining effective internal control over financial reporting and for its assessment
of the effectiveness of internal control over financial reporting, included in the accompanying Management&#8217;s Report on Internal
Control over Financial Reporting. Our responsibility is to express an opinion on the Company&#8217;s internal control over financial
reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect
to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange
Commission and the PCAOB.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit
included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists,
testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other
procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Definition
and limitations of internal control over financial reporting</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">A
company&#8217;s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability
of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting
principles. A company&#8217;s internal control over financial reporting includes those policies and procedures that (1) pertain to the
maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the
company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in
accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance
with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection
of unauthorized acquisition, use, or disposition of the company&#8217;s assets that could have a material effect on the financial statements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Because
of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of
any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions,
or that the degree of compliance with the policies or procedures may deteriorate.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Other
information</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
do not express an opinion or any other form of assurance on management&#8217;s statement referring to plans for remediation.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
</span>GRANT THORNTON LLP</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Atlanta,
Georgia</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.8in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">April 6, 2022</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-top: 0; margin-bottom: 0"></p>

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<p style="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-top: 0; margin-bottom: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.7in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="Vi_003"></span>ITEM
    9B.</b></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.1in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>OTHER
                                            INFORMATION</b></span></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">None.</span></p></td></tr>
</table>

<p style="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="Vi_004"></span>PART
III</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
<tr style="vertical-align: top; text-align: left">
  <td style="width: 0.7in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="Vi_005"></span>ITEM
10.</b></span></td>
  <td><b>DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE</b></td></tr>
</table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>DIRECTORS</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table sets forth, as of the date of this Report, information concerning our Board of Directors (the &#8220;Board&#8221;):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 80%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 40%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">NAME
    <sup>(1)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center; width: 8%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">AGE</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 48%"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">POSITION</span></p></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
    Thomas P. Bostick </span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">65</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Dr.
    Louis F. Centofanti</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">78</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director;
                                            EVP of Strategic Initiatives</span></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"></p></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Ms.
    Kerry C. Duggan <sup>(1)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">43</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
    Joseph T. Grumski </span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">60</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    Honorable Joe R. Reeder</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">74</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
    Larry M. Shelton </span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">68</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Chairman
    of the Board</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    Honorable Zach P. Wamp </span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">64</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
    Mark A. Zwecker</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">71</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Each
director is elected to serve until the next annual meeting of stockholders or until their respective successors are duly elected and
qualified.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(1)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Ms.
    Duggan was unanimously elected by the Board effective May 4, 2021 to fill a Board vacancy created by the expansion of the Board from
    seven to eight directors.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.25in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Director
Information</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
directors and executive officers, their ages, the positions with us held by each of them, the periods during which they have served in
such positions and a summary of their recent business experience are set forth below. Each of the biographies of the current directors
listed below also contains information regarding such person&#8217;s service as a director, business experience, director positions with
other public companies held currently or at any time during the past five years, and the experience, qualifications, attributes and skills
that our Board considered in nominating or appointing each of them to serve as one of our directors.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Mr.
Thomas P. Bostick</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
Bostick, a director since August 2020, is currently the CEO of Bostick Global Strategies, LLC, a position he has held since July 2016.
Bostick Global Strategies, LLC provides strategic advisory support in the areas of Engineering, Environmental Sustainability, Human Resources,
Biotechnology, Education, Executive Coaching, and Agile Project Management. In February 2021, Mr. Bostick was selected by U. S. Senator
Jack Reed, Chairman of the Senate Armed Services Committee, to serve as a member of a new commission consisting of eight appointed individuals,
tasked with renaming Confederate-named military bases and property. Mr. Bostick previously served (from November 2017 to February 2020)
as the Chief Operating Officer (&#8220;COO&#8221;) and President of Intrexon Bioengineering, a division of Intrexon Corporation (formerly
NASDAQ: XON; now NASDAQ: PGEN). Intrexon Bioengineering addresses global challenges across food, agriculture, environmental, energy,
and industrial fields by advancing biologically engineered solutions to improve sustainability and efficiency. As the COO and President
of Intrexon Bioengineering, Mr. Bostick oversaw operations across the company&#8217;s multiple technology divisions and led a major restructuring
of Intrexon Corporation. Mr. Bostick is a member of the board of HireVue, Inc., a privately-held company specializing in online video
interviewing services for employers. Since October 2020, Mr. Bostick has served as a board member of CSX Corporation (NASDAQ: CSX), a
publicly-held rail transportation company, and since December 2020, as a member of both the Finance Committee and the Governance Committee
of CSX Corporation. Effective June 1, 2021, Mr. Bostick joined the Fidelity Equity and High Income Fund Board of Trustees, which oversees
the high income and certain equity funds sponsored by Fidelity Investments, Inc., a privately-owned investment management company. In
addition to Mr. Bostick&#8217;s service on the boards of for-profit companies, he has since November 2016 also served on the board of
American Corporate Partners, a 501(c)(3) nonprofit organization dedicated to assisting U.S. veterans in their transition from the armed
services to the civilian workforce. Effective March 15, 2022, Mr. Bostick became a member of the board of Allonnia, a start-up environmental
biotech company whose mission is to leverage the power of biotechnology and engineered system to create transformative solutions for
a waste-and pollution-free world. Mr. Bostick was recently named as one of 2021&#8217;s Most Influential Black Corporate Directors
by Savoy Magazine, a national publication that showcases and drives positive dialogue about Black culture.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
Bostick has also had a distinguished career in the U.S. military, retiring from the US Army in July 2016 with the rank of Lieutenant
General. During his distinguished military career, he served as the 53rd U.S. Army Chief of Engineers and the Commanding General of the
U.S. Army Corps of Engineers (USACE). As the senior military officer of the Army Corps of Engineers, General Bostick was responsible
for overseeing and supervising most of the Nation&#8217;s civil works infrastructure and military construction, hundreds of environmental
protection projects, as well as managing 34,000 civilian employees and military personnel in over 110 countries around the world with
a $25 billion annual budget. As the Chief of Engineers, General Bostick led a $5 billion recovery program after Superstorm Sandy. Before
his command of USACE, General Bostick served in a variety of command and staff assignments with the U.S. Army both in the U.S. and abroad.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">General
Bostick&#8217;s military honors and decorations include the Distinguished Service Medal, the Defense Superior Service Medal, the Bronze
Star, the Legion of Merit with two oak leaf clusters, the Defense Meritorious Service Medal, the Meritorious Service Medal with four
oak leaf clusters, the Joint Service Commendation Medal, the Army Commendation Medal, the Army Achievement Medal with one oak leaf cluster,
the Combat Action Badge, the U.S Parachutist badge, the Army Recruiter Badge, and the Ranger Tab.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
a White House Fellow, one of America&#8217;s most prestigious programs for leadership and public service, General Bostick was a special
assistant to the Secretary of Veterans Affairs. He graduated with a Bachelor of Science degree from the U.S. Military Academy at West
Point and later returned to the Academy to serve as an Associate Professor of Mechanical Engineering. He holds Master&#8217;s degrees
in Civil Engineering and Mechanical Engineering from Stanford University and a Doctorate in Systems Engineering from George Washington
University. He is a Member of the National Academy of Engineering and the National Academy of Construction.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
Bostick&#8217;s distinguished career in both the government and private sectors brings valuable experience and insight into solving complex
issues domestically and globally. His extensive knowledge and problem-solving experiences enhance the Board&#8217;s ability to address
significant challenges in the nuclear market and led the Board to conclude that he should serve as a director.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Dr.
Louis F. Centofanti</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Dr.
Centofanti, the founder of the Company and a director of the Company since its inception in 1991, currently holds the position of EVP
of Strategic Initiatives. From March 1996 to September
8, 2017 and from February 1991 to September 1995, Dr. Centofanti held the position of President and CEO of the Company. Dr. Centofanti
served as Chairman of the Board from the Company&#8217;s inception in February 1991 until December 16, 2014. In January 2015, Dr. Centofanti
was appointed by the U.S Secretary of Commerce Penny Prizker to serve on the U.S. Department of Commerce&#8217;s Civil Nuclear Trade
Advisory Committee (&#8220;CINTAC&#8221;). The CINTAC is composed of industry representatives from the civil nuclear industry and meets
periodically throughout the year to discuss the critical trade issues facing the U.S. civil nuclear sector. From 1985 until joining the
Company, Dr. Centofanti served as SVP of USPCI, Inc., a large publicly-held hazardous waste management company, where he was responsible
for managing the treatment, reclamation and technical groups within USPCI. In 1981, he and Mark Zwecker, a current Board member of the
Company, founded PPM, Inc. (later sold to USPCI), a hazardous waste management company specializing in treating PCB-contaminated oil.
From 1978 to 1981, Dr. Centofanti served as Regional Administrator of the U.S. Department of Energy for the southeastern region of the
United States. Dr. Centofanti has a Ph.D. and a M.S. in Chemistry from the University of Michigan, and a B.S. in Chemistry from Youngstown
State University.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
founder of Perma-Fix and PPM, Inc., and as a senior executive at USPCI, Dr. Centofanti combines extensive business experience in the
waste management industry with a drive for innovative technology which is critical for a waste management company. In addition, his service
in the government sector provides a solid foundation for the continuing growth of the Company, particularly within the Company&#8217;s
Nuclear business. Dr. Centofanti&#8217;s comprehensive understanding of the Company&#8217;s operations and his extensive knowledge of
its history, coupled with his drive for innovation and excellence, positions Dr. Centofanti to optimize our role in this competitive,
evolving market, and led the Board to conclude that he should serve as a director.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Kerry
C. Duggan</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Effective
May 4, 2021, Ms. Duggan was unanimously elected by the Board to serve as a member of the Company&#8217;s Board of Directors. Ms. Duggan
is the founder of SustainabiliD, a woman-owned advisory services firm working with gamechangers to equitably solve the climate crisis.
She has been named the founding director of the University of Michigan&#8217;s SEAS Sustainability Clinic in Detroit.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
2021, Ms. Duggan was appointed to the Department of Energy&#8217;s prestigious Secretary of Energy Advisory Board, serving under Secretary
Jennifer Granholm. In February 2021, Michigan Governor Gretchen Whitmer also appointed Duggan to the State of Michigan&#8217;s Council
on Climate Solutions, to advise on the implementation of the MI Healthy Climate Plan, to reduce greenhouse gas emissions and to transition
toward economy-wide carbon neutrality. In 2020-21, Ms. Duggan was a member of the Biden-Harris Transition Team on the Department of Energy
Agency Review Team. In May 2020, Ms. Duggan was named a member of the Biden-Sanders Unity Task Force on Climate Change, serving as one
of Biden&#8217;s five delegates alongside Gina McCarthy and Sec. John Kerry; and later co-chaired the climate change policy committee
and served as a Surrogate for the Biden campaign.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Previously,
Ms. Duggan served nearly seven years in public-service leadership roles, including inside the Obama-Biden White House as Deputy Director
for Policy in the Office of Vice President Biden Policy to then Vice President Joe Biden for energy, environment, climate, and distressed
communities. Simultaneously, she served as Deputy Director of the Detroit Federal Working Group to support Detroit&#8217;s revitalization.
Prior to the White House, Ms. Duggan held several senior roles at the Department of Energy, including as Secretary Moniz&#8217;s embedded
Liaison to the City of Detroit (where she championed a citywide LED streetlight conversion), and in the Office of Energy Efficiency &amp;
Renewable Energy as Director of Stakeholder Engagement, Director of Legislative, Regulatory &amp; Urban Affairs, and as a Senior Policy
Advisor.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">After
her time in federal service, Ms. Duggan co-founded the Smart Cities Lab, was a Partner with the Honorable Thomas J. Ridge&#8217;s firm,
RIDGE-LANE Limited Partners, and served on the external advisory board of the University of Michigan&#8217;s Erb Institute for Global
Sustainable Enterprise and was a Board Member at the Global Council for Science and the Environment. She was also a Trustee of the University
Liggett School. In 2018, Ms. Duggan was named to the prestigious &#8220;40 Under 40&#8221; list by Crain&#8217;s Detroit Business. She
previously worked at the League of Conservation Voters in Washington, D.C.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Currently,
Ms. Duggan serves as a senior advisor at The RockCreek Group, LP, a registered private fund adviser that manages fund of funds portfolios
and direct equity trading portfolios. She also sits on the corporate advisory boards of Our Next Energy, Inc. (ONE), a privately-held
energy storage solutions company; Aclima, Inc., a public benefit corporation dedicated to protecting public health, reducing climate-changing
emissions, and advancing environmental justice; BlueConduit, a privately-held water analytics company that builds machine learning software
to support the efficient removal of lead and other dangerous materials from communities; Walker-Miller Energy Services, L.L.C., a privately-held
energy efficiency services company; HEVO, Inc., a privately-held developer of wireless charging units designed to charge electronic vehicles
on the go; Commonweal Investors, a private equity firm that invests in early-stage technology companies advancing a sustainable economy,
upgrading transportation and infrastructure systems, and revitalizing the urban environment; and Arctaris Impact Investors, LLC, an investment
management company that manages funds which invest in growth-oriented operating businesses and community infrastructure projects located
in underserved communities.</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Ms.
Duggan earned her B.S. in Environmental Studies from the University of Vermont and her M.S. in Natural Resource Policy &amp; Behavior
from the University of Michigan.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Ms.
Duggan&#8217;s career in both the government and private sectors brings valuable experience and insight into solving complex issues.
Her extensive knowledge and problem-solving experiences, with an Environmental, Social and Governance (&#8220;ESG&#8221;) mindset and
Diversity, Equity and Inclusion (&#8220;DEI&#8221;) core values, led the Board to conclude that she should serve as a director.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Mr.
Joseph T. Grumski</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
Grumski, a director of the Company since February 2020, has served since April 2020 as the President and CEO of TAS Energy Inc. (&#8220;TAS&#8221;),
a wholly-owned subsidiary of Comfort Systems USA, Inc. (NYSE: FIX), a publicly-held company that provides mechanical and electrical contracting
services in 139 locations and 114 cities throughout the United States. Prior to the acquisition of TAS by Comfort Systems USA, Inc.,
Mr. Grumski served as President and CEO and a board member of TAS from May 2013 to March 2020. From 1997 to February 2013, Mr. Grumski
was employed with Science Applications International Corporation (&#8220;SAIC&#8221;) (NYSE: SAIC), a publicly-held company that provides
government services and information technology support. During his employment with SAIC, Mr. Grumski held various senior management positions,
including the positions of President of SAIC&#8217;s Energy, Environment &amp; Infrastructure (&#8220;E2I&#8221;) commercial subsidiary
and General Manager of the E2I Business Unit. SAIC&#8217;s E2I commercial subsidiary and Business Unit is comprised of approximately
5,200 employees performing over $1.1 billion of services for federal, commercial, utility and state customers. Mr. Grumski&#8217;s many
accomplishments with SAIC included growing SAIC&#8217;s $300 million federal environmental business to a top ranked, $1.1 billion business;
receiving the National Safety Council &#8220;Industry Leader&#8221; award in 2009; and receiving highest senior executive performance
rating three years in a row. Mr. Grumski began his career with Gulf Oil Company and has progressed through senior level engineering,
operations management, and program management positions with various companies, including Westinghouse Electric Corporation and Lockheed
Martin, Inc. Mr. Grumski received a B.S. in Mechanical Engineering from The University of Pittsburgh and a M.S in Mechanical Engineering
from West Virginia University.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
Grumski has had an extensive career in solving and overseeing solutions to complex issues involving both domestic and international concerns.
In addition, his extensive experience in companies that provide services to the government sector as well as his experience in the commercial
sector provide solid experience for the continuing growth of the Company&#8217;s Treatment and Services Segment. Mr. Grumski&#8217;s
extensive knowledge and problem-solving experiences, executive operational leadership experience and governance experience enhance the
Board&#8217;s ability to address significant challenges in the nuclear market, and led the Board to conclude that he should serve as
a director.</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>The
Honorable Joe R. Reeder</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
Reeder, a director since 2003, is a principal shareholder in the law firm of Greenberg Traurig LLP, one of the nation&#8217;s largest
law firms, with 41 offices and 2,400 attorneys worldwide, for which Mr. Reeder served as Shareholder-in-Charge of the law firm&#8217;s
Mid-Atlantic Region from 1999 to 2008. His clientele includes celebrities, heads of state, sovereign nations, international corporations,
and law firms. As the 14th Undersecretary of the U.S. Army (1993-97), Mr. Reeder also served three years as Chairman of the Panama Canal
Commission&#8217;s Board, overseeing a multibillion-dollar infrastructure program. For the past 18 years, he has served on the Canal&#8217;s
International Advisory Board. He has written extensively in leading journals on the subject of corporate cybersecurity. Mr. Reeder also
has served on the boards of the National Defense Industry Association (&#8220;NDIA&#8221;), chairing NDIA&#8217;s Ethics Committee, the
Armed Services YMCA, the Marshall Legacy Institute, and many other private companies and charitable organizations. Mr. Reeder served
as a director of ELBIT Systems of America, LLC, (2005-2020), a subsidiary of Elbit Systems Ltd. (NASDAQ: ESLT), a multi-billion-dollar
provider of defense, homeland security, and commercial aviation system solutions. From 2004 to 2017, Mr. Reeder served as a director
of Washington First Bank, the bank subsidiary of WashingtonFirst Bankshares, Inc. (NASDAQ: WSBI), and from 2018 to 2020, he served as
a director of Sandy Spring Bancorp, Inc. (NASDAQ: SASR).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">After
successive 4-year appointments by Virginia Governors Mark Warner and Tim Kaine, Mr. Reeder served seven years as Chairman of two Commonwealth
of Virginia military boards, and 10 years on the USO Board of Governors. Mr. Reeder was appointed by Governor Terry McAuliffe to the
Virginia Military Institute&#8217;s Board of Visitors (2014) and reappointed in 2018 by former Virginia Governor Ralph Northam.
Mr. Reeder, who has been a television commentator on legal and national security issues, has consistently been named a Super Lawyer for
Washington, D.C., most recently in 2021.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
May 2018 Mr. Reeder was appointed to the Advisory Council Bid Protest Committee to the United States Court of Federal Claims.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">A
West Point graduate who served in the 82nd Airborne Division after Ranger School, Mr. Reeder earned his J.D. from the University of Texas,
and L.L.M. from Georgetown University.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; text-align: justify; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
Reeder&#8217;s career has focused on solving and overseeing solutions to complex domestic and international issues. This experience has
enhanced the Board&#8217;s ability to address major challenges in the nuclear market, as well as day-to-day corporate challenges, which
is why the Board values his service as a director.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Mr.
Larry M. Shelton</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
Shelton, a director since July 2006, has also held the position of Chairman of the Board of the Company since December 2014. Mr. Shelton
served as the CFO of S K Hart Management, LLC, a private investment management company (&#8220;S K Hart Management&#8221;), from 1999
until August 2018. Mr. Shelton served as President of Pony Express Land Development, Inc. (an affiliate of SK Hart Management), a privately
held land development company, from January 2013 until August 2017, and has served on its board since December 2005. Mr. Shelton served
as Director and CFO of S K Hart Ranches (PTY) Ltd, a private South African Company involved in agriculture, from March 2012 to March
2020. Mr. Shelton continues to provide advisory services to S K Hart Ranches (PTY) Ltd. Mr. Shelton has over 20 years of experience as an executive financial officer for
several waste management companies, including as CFO of Envirocare of Utah, Inc. (now EnergySolutions, Inc. (1995&#8211;1999)), a privately
held nuclear waste services company, and as CFO of USPCI, Inc. (1982&#8211;1987), then a NYSE- listed public company engaged in the hazardous
waste business. Since July 1989, Mr. Shelton has served on the board of Subsurface Technologies, Inc., a privately held company specializing
in providing environmentally sound innovative solutions for water well rehabilitation and development. Mr. Shelton has a B.A. in accounting
from the University of Oklahoma.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">With
his years of accounting experience as CFO for various companies, including a number of waste management companies, Mr. Shelton combines
extensive industry knowledge and understanding of accounting principles, financial reporting requirements, evaluating and overseeing
financial reporting processes and business matters. These factors led the Board to conclude that he should serve as a director.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>The
Honorable Zach P. Wamp</b></span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
Wamp, a director since January 2018, is currently the President of Zach Wamp Consulting, a position he has held since 2011. As the President
and owner of Zach Wamp Consulting, he has served some of the most prominent companies from Silicon Valley to Wall Street as a business
development consultant and advisor. From September 2013 to November 2017, Mr. Wamp chaired the Board of Directors for Chicago Bridge
and Iron Federal Services, LLC (a subsidiary of Chicago Bridge &amp; Iron Company, NYSE: CBI, which provides critical services primarily
to the U.S. government). From January 1995 to January 2011, Mr. Wamp served as a member of the U.S. House of Representatives from Tennessee&#8217;s
3<sup>rd</sup> Congressional District. Among his many accomplishments, which included various leadership roles in the advancement of
education and science, Mr. Wamp was instrumental in the formation and success of the Tennessee Valley Technology Corridor, which created
thousands of jobs for Tennesseans in the areas of high-tech research, development, and manufacturing. During his career in the political
arena, Mr. Wamp served on several prominent subcommittees during his 14 years on the House Appropriations Committee, including serving
as a &#8220;ranking member&#8221; of the Subcommittee on Military Construction and Veterans Affairs and Related Agencies. Mr. Wamp has
been a regular panelist on numerous media outlets and has been featured in a number of national publications effectively articulating
sound social and economic policy. Mr. Wamp&#8217;s business career has also included work in the real estate sector for a number of years
as a licensed industrial-commercial real estate broker, for which he was named Chattanooga&#8217;s Small Business Person of the Year.
He is a founder and Board Chair of Learning Blade, the nation&#8217;s premiere STEM education platform, which is now operating in six
states with deployment in another 10 states. Learning Blade is owned and operated by SAI Interactive, Inc., d/b/a Thinking Media, a privately-held
educational products and services company.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
Wamp has an extensive career in solving and overseeing solutions to complex issues involving domestic concerns. In addition, his wide-ranging
career, particularly with respect to his government-related work, provides solid experience for the continuing growth of the Company&#8217;s
Treatment and Services Segments. His extensive knowledge and problem-solving expertise enhance the Board&#8217;s ability to address significant
challenges in the nuclear market, and led the Board to conclude that he should serve as a director.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Mr.
Mark A. Zwecker</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
Zwecker, a director since the Company&#8217;s inception in January 1991, previously served as the CFO and a board member for JCI US Inc.
from 2013 to 2019. JCI US Inc. is a telecommunications company and wholly-owned subsidiary of Japan Communications, Inc. (Tokyo Stock
Exchange (Securities Code: 9424)), which provides cellular service for M2M (machine to machine) applications. From 2006 to 2013, Mr.
Zwecker served as Director of Finance for Communications Security and Compliance Technologies, Inc., a wholly-owned subsidiary of JCI
US Inc. that develops security software products for the mobile workforce. Mr. Zwecker has held various other senior management positions,
including President of ACI Technology, LLC, a privately-held IT services provider, and Vice President of Finance and Administration for
American Combustion, Inc., a privately-held combustion technology solutions provider. In 1981, with Dr. Centofanti, Mr. Zwecker co-founded
a start-up, PPM, Inc., a hazardous waste management company. He remained with PPM, Inc. until its acquisition in 1985 by USPCI. Mr. Zwecker
has a B.S. in Industrial and Systems Engineering from the Georgia Institute of Technology and an M.B.A. from Harvard University.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
a director since our inception, Mr. Zwecker&#8217;s understanding of our business provides valuable insight to the Board. With years
of experience in operations and finance for various companies, including a number of waste management companies, Mr. Zwecker combines
extensive knowledge of accounting principles, financial reporting rules and regulations, the ability to evaluate financial results, and
understanding of financial reporting processes. He has an extensive background in operating complex organizations. Mr. Zwecker&#8217;s
experience and background position him well to serve as a member of our Board. These factors led the Board to conclude that he should
serve as a director.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>BOARD
LEADERSHIP STRUCTURE</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
continue to separate the roles of Chairman of the Board and CEO. The Board believes that this leadership structure promotes balance between
the Board&#8217;s independent authority to oversee our business, and the CEO and his management team, who manage the business on a day-to-day
basis.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company does not have a written policy with respect to the separation of the positions of Chairman of the Board and CEO. The Company
believes it is important to retain its flexibility to allocate the responsibilities of the offices of the Chairman and CEO in any way
that is in the best interests of the Company at a given point in time; therefore, the Company&#8217;s leadership structure may change
in the future as circumstances may dictate.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
Mark Zwecker, a current member of our Board, continues to serve as the Independent Lead Director, a position he has held since February
2010. The Lead Director&#8217;s role includes:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">convening
    and chairing meetings of the non-employee directors as necessary from time to time and Board meetings in the absence of the Chairman
    of the Board;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">acting
    as liaison between directors, committee chairs and management;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">serving
    as information sources for directors and management; and</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">carrying
    out such responsibilities as the Board may delegate from time to time.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>AUDIT
COMMITTEE</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
have a separately designated standing Audit Committee of our Board established in accordance with Section 3(a)(58)(A) of the Exchange
Act. Members of the Audit Committee are Mark A. Zwecker (Chairperson), Larry M. Shelton, and Joseph T. Grumski.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
Board has determined that each of our Audit Committee members is and was independent within the meaning of the rules of the NASDAQ and
is an &#8220;audit committee financial expert&#8221; as defined by Item 407(d)(5)(ii) of Regulation S-K of the Securities Exchange Act
of 1934, as amended (the &#8220;Exchange Act&#8221;).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Audit Committee has also discussed with Grant Thornton, LLP, the Company&#8217;s independent registered accounting firm, the matters
required to be discussed by Public Company Accounting Oversight Board (&#8220;PCAOB&#8221;) Auditing Standard No. 16 (Communications
with Audit Committee).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>BOARD
OF DIRECTOR INDEPENDENCE</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Board has determined that each director, other than Dr. Centofanti, is &#8220;independent&#8221; within the meaning of the applicable
NASDAQ rules. Dr. Centofanti is not deemed to be an &#8220;independent director&#8221; because of his employment as an executive officer
of the Company.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>COMPENSATION
AND STOCK OPTION COMMITTEE</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Compensation and Stock Option Committee (the &#8220;Compensation Committee&#8221;) reviews and recommends to the Board the compensation
and benefits of all of the Company&#8217;s officers and reviews general policy matters relating to compensation and benefits of the Company&#8217;s
employees. The Compensation Committee also administers the Company&#8217;s stock option plans. The Compensation Committee has the sole
authority to retain and terminate a compensation consultant, as well as to approve the consultant&#8217;s fees and other terms of engagement.
It also has the authority to obtain advice and assistance from internal or external legal, accounting or other advisors. No compensation
consultant was employed during 2021. Members of the Compensation Committee during 2021 were Joseph T. Grumski (Chairperson), who replaced
Larry M. Shelton as the Chairperson and a member effective January 21, 2021, Zach P. Wamp, who replaced Joe R. Reeder as a member effective
January 21, 2021, and Mark A. Zwecker. None of the members of the Compensation Committee has been or is an officer or employee of the
Company or has had or has any relationship with the Company requiring disclosure under applicable Commission regulations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>CORPORATE
GOVERNANCE AND NOMINATING COMMITTEE</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
have a separately-designated standing Corporate Governance and Nominating Committee (the &#8220;Nominating Committee&#8221;). Members
of the Nominating Committee during 2021 were Joe R. Reeder (Chairperson), Zach P. Wamp, Kerry C. Duggan (who became a member effective
July 20, 2021) and Thomas Bostick, who replaced Larry M. Shelton as a member effective January 21, 2021. All members of the Nominating
Committee are and were &#8220;independent&#8221; as that term is defined by current NASDAQ listing standards.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Nominating Committee recommends to the Board candidates to fill vacancies on the Board and the nominees for election as directors at
each annual meeting of stockholders. In making such recommendation, the Nominating Committee takes into account information provided
to them from the candidate, as well as the Nominating Committee&#8217;s own knowledge and information obtained through inquiries to third
parties to the extent the Nominating Committee deems appropriate. The Company&#8217;s Bylaws sets forth certain minimum director qualifications
to qualify for nomination for election as a director. To qualify for nomination or for election as a director, an individual must:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">be
    an individual at least 21 years of age who is not under legal disability;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">have
    the ability to be present, in person, at all regular and special meetings of the Board of Directors;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">not
    serve on the boards of more than three other publicly-held companies;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">satisfy
    the director qualification requirements of all environmental and nuclear commissions, boards or similar regulatory or law enforcement
    authorities to which the Company is subject so as not to cause the Company to fail to satisfy any of the licensing requirements imposed
    by any such authority;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">not
    be affiliated with, employed by or a representative of, or have or acquire a material personal involvement with, or material financial
    interest in, any &#8220;Business Competitor&#8221; (as defined in the Bylaws);</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">not
    have been convicted of a felony or of any misdemeanor involving moral turpitude; and</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">have
    been nominated for election to the Board of Directors in accordance with the terms of the Bylaws.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
addition to the minimum director qualifications as mentioned above, in order for any proposed nominee to be eligible to be a candidate
for election to the Board, such candidate must deliver to the Nominating Committee a completed questionnaire with respect to the background,
qualifications, stock ownership and independence of such proposed nominee. The Nominating Committee reviews each candidate&#8217;s qualifications
to include considerations of:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">standards
    of integrity, personal ethics and values, commitment, and independence of thought and judgment;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">ability
    to represent the interests of the Company&#8217;s stockholders;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">ability
    to dedicate sufficient time, energy, and attention to fulfill the requirements of the position; and</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">diversity
    of skills and experience with respect to accounting and finance, management and leadership, business acumen, vision and strategy,
    charitable causes, business operations, and industry knowledge.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Nominating Committee does not assign specific weight to any particular criteria and no particular criterion is necessarily applicable
to all prospective nominees. The Nominating Committee does not have a formal policy for the consideration of diversity in identifying
nominees for directors. However, diversity is one of the many factors taken into account when considering potential candidates to serve
on the Board of Directors. The Company generally views and values diversity from the perspective of professional and life experiences,
as well as geographic location, representative of the markets in which we do business. The Company recognizes that diversity in professional
and life experiences may include consideration of gender, race, cultural background or national origin, in identifying individuals who
possess the qualifications that the Nominating Committee believes are important to be represented on the Board. The Company believes
that the inclusion of diversity as one of many factors considered in selecting director nominees is consistent with the Company&#8217;s
goal of creating a board of directors that best serves our needs and those of our shareholders.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Stockholder
Nominees</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Nominating Committee will consider properly submitted stockholder nominations for candidates for membership on the Board from stockholders
who meet each of the requirements set forth in the Bylaws, including, but not limited to, the requirements that any such stockholder
own at least 1% of the Company&#8217;s shares of the Common Stock entitled to vote at the meeting on such election, has held such shares
continuously for at least one full year, and continuously holds such shares through and including the time of the annual or special meeting.
Nominations of persons for election to the Board of Directors may be made at any Annual Meeting of Stockholders, or at any Special Meeting
of Stockholders called for the purpose of electing directors. Any stockholder nomination (&#8220;Proposed Nominee&#8221;) must comply
with the requirements of the Company&#8217;s Bylaws and the Proposed Nominee must meet the minimum qualification requirements as discussed
above. For a nomination to be made by a stockholder, such stockholder must provide advance written notice to the Nominating Committee,
delivered to the Company&#8217;s principal executive office address (i) in the case of an Annual Meeting of Stockholders, no later than
the 90<sup>th</sup> day nor earlier than the 120<sup>th </sup>day prior to the anniversary date of the immediately preceding Annual Meeting
of Stockholders; and (ii) in the case of a Special Meeting of Stockholders called for the purpose of electing directors, not later than
the 10<sup>th</sup> day following the day on which public disclosure of the date of the Special Meeting of Stockholders is made.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Nominating Committee will evaluate the qualification of the Proposed Nominee and the Proposed Nominee&#8217;s disclosure and compliance
requirements in accordance with the Company&#8217;s Bylaws. If the Board of Directors, upon the recommendation of the Nominating Committee,
determines that a nomination was not made in accordance with the Company&#8217;s Bylaws, the Chairman of the Meeting shall declare the
nomination defective and it will be disregarded.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>STRATEGIC
ADVISORY COMMITTEE</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
have a separately designated Strategic Advisory Committee (the &#8220;Strategic Committee&#8221;). The primary functions of the Strategic
Committee are to investigate and evaluate strategic alternatives available to the Company and to work with management on long-range strategic
planning and identification of potential new business opportunities. The members of the Strategic Advisory Committee are Dr. Louis Centofanti
(Chairperson), Joe R. Reeder, Mark A. Zwecker, and Kerry Duggan, who replaced Larry M. Shelton as a member effective July 20, 2021.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Board has adopted a written charter for each of the Audit Committee, the Compensation Committee, the Nominating Committee, and the Strategic
Advisory Committee, and is available on our website at <span style="text-decoration: underline">www.perma-fix.com</span>.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>EXECUTIVE
OFFICERS OF THE REGISTRANT</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table sets forth, as of the date hereof, information concerning our executive officers:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 80%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; width: 30%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">NAME</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: center; font: 10pt Times New Roman, Times, Serif; width: 8%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">AGE</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; width: 58%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">POSITION</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
    Mark Duff</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">59</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">President
    and CEO</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
    Ben Naccarato</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">59</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">CFO,
    EVP, and Secretary</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Dr.
    Louis Centofanti</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">78</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">EVP
    of Strategic Initiatives </span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
    Andrew Lombardo</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">62</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">EVP
    of Nuclear and Technical Services</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
    Richard Grondin</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">63</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">EVP
    of Waste Treatment Operations</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Mr.
Mark Duff</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
Mark Duff has held the position of President and CEO of the Company since September 2017. Since joining the Company in June 2016 and
prior to being named the President and CEO, Mr. Duff held the positions of COO and EVP of the Company. Since joining Perma-Fix, Mr. Duff
has developed and implemented strategies to meet aggressive growth objectives in both the Treatment and Services Segments. In the Treatment
Segment, he continues to upgrade each facility to increase efficiency and modernize treatment capabilities to meet the changing markets
associated with the waste management industry. In the Services Segment, which encompasses all field operations, he has completed the
revitalization of business development programs which has resulted in increased competitive procurement effectiveness and broadened the
market penetration within both the commercial and government sectors. These implemented strategies have contributed to continuous growth
in revenues and profitability. Mr. Duff has over 31 years of management and technical experience in the U.S. DOE and U.S. DOD environmental
and construction markets as a corporate officer, senior project manager, co-founder of a consulting firm, and federal employee. Mr. Duff
has an MBA from the University of Phoenix and received his B.S. from the University of Alabama.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Mr.
Ben Naccarato</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
Naccarato has served as the Company&#8217;s CFO since February 2009. Since joining the Company in September 2004, Mr. Naccarato has held
the positions of Vice President of Finance for the Company&#8217;s Industrial Segment and Vice President, Corporate Controller/Treasurer.
Mr. Naccarato has over 34 years of experience in senior financial positions in the waste management and
used oil industries. From December 2002 to September 2004, Mr. Naccarato was the CFO of a privately held company in the fuel distribution
and used waste oil industry. Mr. Naccarato is a graduate of University of Toronto with a Bachelor of Commerce and Finance Degree and
is a Chartered Professional Accountant, Certified Management Accountant (CPA, CMA).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
March 3, 2021, Mr. Naccarato was appointed to serve as an independent director of PyroGenesis Canada, Inc., a high-tech company involved
in the design, development, manufacture and commercialization of advanced plasma processes and products and whose stock is listed for
trading on the Toronto (PYR) and NASDAQ (PYR) Stock Exchange. Effective March 11, 2021, Mr. Naccarato was appointed to serve as a member
of both the Audit and Compensation Committee of PyroGenesis.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Dr.
Louis Centofanti</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">See
&#8220;Director &#8211; Dr. Louis F. Centofanti&#8221; in this section for information on Dr. Centofanti.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Mr.
Andrew (&#8220;Andy&#8221;) Lombardo</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
Lombardo has held the position of EVP of Nuclear and Technical Services since January 2020. Since joining the Company in 2011, Mr. Lombardo
has held various positions within the Company&#8217;s Services Segment, including SVP of Nuclear and Technical Services.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
Lombardo, a Certified Health Physicist (&#8220;CHP&#8221;), has over 39 years of management and technical experience in the commercial
nuclear reactor market, and the DOE and DOD environmental and construction markets as a senior director, senior project manager, senior
CHP and chemist. Prior to joining the Company, Mr. Lombardo held the position of Vice President of Technical Services for Safety and
Ecology Corporation (&#8220;SEC&#8221;), a subsidiary of Homeland Security Capital Corporation, a publicly traded environmental services
company, prior to the acquisition of SEC by the Company in 2011. In his positions with both the Company and SEC, Mr. Lombardo procured
and performed greater than $30 million a year in health physics and radioactive material management projects across the DOE and DOD complex
while managing a professional staff of engineers and health physicists and an instrumentation laboratory. Among his many accomplishments,
Mr. Lombardo has developed an expertise characterizing and managing naturally occurring radioactive material (&#8220;NORM&#8221;) and
technologically enhanced NORM (&#8220;TENORM&#8221;) waste streams across multiple industries including oil and gas exploration and production.
As a result of his expertise, he was appointed to a scientific committee of the National Council on Radiation Protection and Measurement
to provide a commentary on the generation and disposal of TENORM waste. Mr. Lombardo began his career as a chemist and health physicist
for the Duquesne Light Company at two commercial reactor sites and one joint DOE/Naval Reactors Duquesne Light test reactor in Shippingport,
PA. Mr. Lombardo is certified in comprehensive practice of health physics, and has a M.S. degree in Health Physics from the University
of Pittsburgh and a B.S. in Natural Sciences from Indiana University of Pennsylvania.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Mr.
Richard Grondin</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mr.
Grondin has held the position of EVP of Waste Treatment Operations since July 2020. Since joining the Company in 2002, Mr. Grondin has held various positions within
the Company&#8217;s Treatment Segment, including Vice President of Technical Services, Vice President/General Manager of the Perma-Fix
Northwest Richland, Inc. Facility and Vice President of Western Operations. Mr. Grondin, a Project Management Professional, has over
35 years of management and technical experience in the highly regulated and specialized radioactive/hazardous waste management industry
with the majority of his experience concentrated on managing start-up waste management processing and disposal facilities for four different
organizations in the commercial and government sectors. Prior to joining the Company, Mr. Grondin held the position of Vice President
of Mixed Waste Operations for Allied Technology Group in Richland, Washington; Vice President of Operations for Waste Control Specialists
in Andrews Texas; and Technical Manager/Director of Operations for Rollins Environmental Services Facility in Deer Trail, Colorado. Mr.
Grondin is recognized in the United States and Canada as an authority in hazardous and mixed waste treatment. Mr. Grondin has a Diploma
of Collegial Studies in Pure and Applied Sciences from CEGEP of Amiante (Thetford-Mines, Canada) and Analytical Chemistry Techniques
from CEGEP of Ahuntsic (Montreal, Canada), a Geography minor from Montreal University (Montreal, Canada) and a Certificate of Business
Management from the School of Higher Commercial Studies from Montreal University (Montreal, Canada).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Certain
Relationships</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">There
are no family relationships between any of the directors or executive officers.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Section
16(a) Beneficial Ownership Reporting Compliance</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Section
16(a) of the Exchange Act, and the regulations promulgated thereunder require our executive officers and directors and beneficial owners
of more than 10% of our Common Stock to file reports of ownership and changes of ownership of our Common Stock with the Commission, and
to furnish us with copies of all such reports. Based solely on a review of the copies of such reports furnished to us and written information
provided to us, we believe that during 2021 none of our executive officers, directors, or beneficial owners of more than 10% of our Common
Stock failed to timely file reports under Section 16(a).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Schelhammer
Capital Bank AG (formerly known as Capital Bank-Grawe Gruppe AG) has advised us that it is a banking institution regulated by the banking
regulations of Austria, which holds shares of our Common Stock as agent on behalf of numerous investors. Schelhammer Capital Bank AG
has represented that all of such investors are accredited investors under Rule 501 of Regulation D promulgated under the Act. In addition,
Schelhammer Capital Bank AG has advised us that none of such investors, individually or as a group, beneficially own more than 4.9% of
our Common Stock as calculated in accordance with Rule 13d-3 of the Exchange Act. Schelhammer Capital Bank AG has further informed us
that its clients (and not Schelhammer Capital Bank AG) maintain full voting and dispositive power over such shares. Consequently, Schelhammer
Capital Bank AG has advised us that it believes it is not the beneficial owner, as such term is defined in Rule 13d-3 of the Exchange
Act, of the shares of our Common Stock registered in the name of Schelhammer Capital Bank AG because it has neither voting nor investment
power, as such terms are defined in Rule 13d-3, over such shares. Schelhammer Capital Bank AG has informed us that it does not believe
that it is required to file, and has not filed, (a) reports under Section 16(a) of the Exchange Act or (b) either Schedule 13D or Schedule
13G in connection with the shares of our Common Stock registered in the name of Schelhammer Capital Bank AG.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">If
the representations of, or information provided by Schelhammer Capital Bank AG, are incorrect or Schelhammer Capital Bank AG was historically
acting on behalf of its investors as a group, rather than on behalf of each investor independent of other investors, then Schelhammer
Capital Bank AG and/or the investor group would have become a beneficial owner of more than 10% of our Common Stock on February 9, 1996,
as a result of the acquisition of 1,100 shares of our Preferred Stock that were convertible into a maximum of 256,560 shares of our Common
Stock. If either Schelhammer Capital Bank AG or a group of Schelhammer Capital Bank AG&#8217;s investors became a beneficial owner of
more than 10% of our Common Stock on February 9, 1996, or at any time thereafter, and thereby required to file reports under Section
16(a) of the Exchange Act, then Schelhammer Capital Bank AG has failed to file a Form 3 or any Forms 4 or 5 since February 9, 1996. (See
&#8220;Item 12 - Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matter &#8211; Security Ownership
of Certain Beneficial Owners&#8221; for a discussion of Schelhammer Capital Bank AG&#8217;s current record ownership of our securities).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Code
of Ethics</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
Code of Ethics applies to all our executive officers and is available on our website at <span style="text-decoration: underline">www.perma-fix.com</span>. If any amendments are
made to the Code of Ethics or any grants of waivers are made to any provision of the Code of Ethics to any of our executive officers,
we will promptly disclose the amendment or waiver and nature of such amendment or waiver on our website at the same web address.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
<tr style="vertical-align: top; text-align: left">
  <td style="width: 0.7in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="Vi_006"></span>ITEM
11.</b></span></td>
  <td><b>EXECUTIVE COMPENSATION</b></td></tr>
</table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Summary
Compensation</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table summarizes the total compensation paid or earned by each of the named executive officers (&#8220;NEOs&#8221;) for the
fiscal years ended December 31, 2021 and 2020.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"></p>

<table cellpadding="0" cellspacing="0" style="font: 8pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name
    and Principal Position</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Year</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Option
    Awards</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total
    Compensation</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 37%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mark
    Duff</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 7%; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td style="width: 1%; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="width: 5%; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;&#8212;&#160;</span></td><td style="width: 1%; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="width: 2%; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">President
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;&#8212;&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">EVP
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">EVP
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;&#8212;&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">EVP
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  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif; text-align: justify; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.3in; text-align: justify; text-indent: -0.3in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom">
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom">
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">6,500</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">37,121</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Ben
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    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">29,940</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">9,000</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">6,500</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">45,440</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Dr.
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    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">20,658</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">6,178</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">35,836</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Andy
    Lombardo</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;
                                            &#160;&#160;&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">9,000</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">6,500</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">15,500</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Richard
    Grondin</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">20,658</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">6,785</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">6,500</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">33,943</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.3in; text-align: justify; text-indent: -0.3in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 22.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Outstanding
Equity Awards at Fiscal Year-End</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table sets forth unexercised options held by the NEOs as of the fiscal year-end.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><b><span style="text-decoration: underline">Outstanding
Equity Awards at December 31, 2021</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="16" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Option
    Awards</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Name</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Number
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Number
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Option
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Option Expiration
    Date</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 34%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Mark Duff</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 10%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">50,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(2)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 10%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3.970</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right; width: 10%"><span style="font-family: Times New Roman, Times, Serif">5/15/2022</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">80,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(3)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">20,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(3)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3.650</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">7/27/2023</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(4)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3.150</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1/17/2025</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(6)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">50,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(6)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">7.005</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10/14/2027</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Ben Naccarato</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">40,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(3)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(3)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3.650</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">7/27/2023</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">6,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(4)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">9,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(4)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3.150</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1/17/2025</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(6)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">25,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(6)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">7.005</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10/14/2027</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Dr. Louis Centofanti</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">40,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(3)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(3)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3.650</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">7/27/2023</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">6,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(4)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">9,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(4)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3.150</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1/17/2025</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(6)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">7.005</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10/14/2027</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Andy Lombardo</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3.600</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10/19/2023</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(4)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">6,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(4)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3.150</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1/17/2025</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(6)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">25,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(6)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">7.005</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10/14/2027</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Richard Grondin</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">16,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(5)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">4,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(5)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3.600</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10/19/2023</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">4,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(4)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">6,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(4)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3.150</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1/17/2025</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(6)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">25,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(6)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">7.005</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10/14/2027</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 35pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" border="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%">
<tr style="vertical-align: top">
  <td style="text-align: justify; padding-left: 0pt; text-indent: 0pt; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(1)</sup></span></td>
  <td style="text-align: justify; padding-left: 0pt; text-indent: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Pursuant to each of the employment agreements between the Company
and, respectively, Mark Duff, Ben Naccarato, Dr. Louis Centofanti, Andy Lombardo, and Richard Grondin, each dated July 22, 2020, in the
event of a change in control, death of the executive officer, the executive officer terminates his employment for &#8220;good reason&#8221;
or the executive officer is terminated by the Company without cause, each outstanding option and award shall immediately become exercisable
in full (see &#8220;Employment Agreements&#8221; below for further discussion of the events pursuant to which accelerated exercise of
the respective NEO&#8217;s outstanding options can arise).</span></td></tr>
</table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 10pt; text-align: justify; text-indent: -10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" border="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%">
<tr style="vertical-align: top">
  <td style="text-align: justify; padding-left: 0pt; text-indent: 0pt; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(2)</sup></span></td>
  <td style="text-align: justify; padding-left: 0pt; text-indent: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Incentive stock option granted on May 15, 2016 under the Company&#8217;s
2010 Stock Option Plan. The option has a contractual term of six years with one-third yearly vesting over a three-year period.</span></td></tr>
</table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 10pt; text-align: justify; text-indent: -10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" border="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%">
<tr style="vertical-align: top">
  <td style="text-align: justify; padding-left: 0pt; text-indent: 0pt; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(3)</sup></span></td>
  <td style="text-align: justify; padding-left: 0pt; text-indent: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Incentive stock option granted on July 27, 2017 under the Company&#8217;s
2017 Stock Option Plan. The option has a contractual term of six years with one-fifth yearly vesting over a five-year period.</span></td></tr>
</table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" border="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%">
<tr style="vertical-align: top">
  <td style="text-align: justify; padding-left: 0pt; text-indent: 0pt; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(4)</sup></span></td>
  <td style="text-align: justify; padding-left: 0pt; text-indent: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Incentive stock option granted on January 17, 2019 under the
Company&#8217;s 2017 Stock Option Plan. The option has a contractual term of six years with one-fifth yearly vesting over a five-year
period.</span></td></tr>
</table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 10pt; text-align: justify; text-indent: -10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>&#160;</sup></span></p>

<table cellpadding="0" cellspacing="0" border="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%">
<tr style="vertical-align: top">
  <td style="text-align: justify; padding-left: 0pt; text-indent: 0pt; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(5)</sup></span></td>
  <td style="text-align: justify; padding-left: 0pt; text-indent: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Incentive stock option granted on October 19, 2017 under the
Company&#8217;s 2017 Stock Option Plan. The option has a contractual term of six years with one-fifth yearly vesting over a five-year
period.</span></td></tr>
</table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 10pt; text-align: justify; text-indent: -10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" border="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%">
<tr style="vertical-align: top">
  <td style="text-align: justify; padding-left: 0pt; text-indent: 0pt; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(6)</sup></span></td>
  <td style="text-align: justify; padding-left: 0pt; text-indent: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Incentive stock option granted on October 14, 2021under the
Company&#8217;s 2017 Stock Option Plan. The option has a contractual term of six years with one-fifth yearly vesting over a five-year
period.</span></td></tr>
</table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 10pt; text-align: justify; text-indent: -10pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Option
Exercises</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">None
of the Company&#8217;s NEOs exercised options in 2021.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Employment
Agreements</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Each
of the NEOs entered into an employment agreement with the Company dated July 22, 2020 (each, an &#8220;Employment Agreement&#8221; and,
collectively, the &#8220;Employment Agreements&#8221;). Each of the Employment Agreements, which are substantially identical, provides
for a specified annual base salary, which annual salary may be increased from time to time, but not reduced, as determined by the Compensation
Committee. In addition, each of the NEOs is entitled to participate in the Company&#8217;s broad-based benefits plans and to certain
performance compensation payable under separate MIPs as approved by the Company&#8217;s Compensation Committee and Board. The Company&#8217;s
Compensation Committee and the Board approved individual 2021 MIPs on January 21, 2021 (which were effective January 1, 2021 and applicable
for the 2021 fiscal year) for each of the executive officers (see discussion of each of the 2021 MIPs below under &#8220;2021 MIPs&#8221;).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Each
of the Employment Agreements is effective for three years from July 22, 2020 (the &#8220;Initial Term&#8221;) unless earlier terminated
by the Company or by the respective NEO. At the end of the Initial Term of each Employment Agreement, each Employment Agreement will
automatically be extended for one additional year, unless at least six months prior to the expiration of the Initial Term, the Company
or the respective NEO provides written notice not to extend the terms of the Employment Agreement.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Each
of the Employment Agreements provides that, if an NEO&#8217;s employment is terminated due to death/disability or for cause (as defined
in the agreements), the Company will pay to the NEO or to his estate an amount equal to the sum of any unpaid base salary, accrued unused
vacation time through the date of termination, any benefits due to the NEO under any employee benefit plan (the &#8220;Accrued Amounts&#8221;)
and any performance compensation payable pursuant to the MIP applicable to such NEO.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">If
the NEO terminates his employment for &#8220;good reason&#8221; (as defined in the agreements) or is terminated by the Company without
cause (including any such termination for &#8220;good reason&#8221; or without cause within 24 months after a Change in Control (as defined
in the agreements), the Company will pay the NEO the Accrued Amounts, two years of full base salary, and two times the performance compensation
(under the NEO&#8217;s MIP) earned with respect to the fiscal year immediately preceding the date of termination provided the performance
compensation earned with respect to the fiscal year immediately preceding the date of termination has not yet been paid. If performance
compensation earned with respect to the fiscal year immediately preceding the date of termination has been paid to the NEO, the NEO will
be paid an additional year of the performance compensation earned with respect to the fiscal year immediately preceding the date of termination.
If the NEO terminates his employment for a reason other than for good reason, the Company will pay to the executive an amount equal to
the Accrued Amounts plus any performance compensation payable pursuant to the MIP applicable to such NEO.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">If
there is a Change in Control (as defined in the agreements), all outstanding stock options to purchase the common stock held by the NEO
will immediately become exercisable in full commencing on the date of termination through the original term of the options. In the event
of the death of an NEO, all outstanding stock options to purchase common stock held by the NEO will immediately become exercisable in
full commencing on the date of death, with such options exercisable for the lesser of the original option term or twelve months from
the date of the NEO&#8217;s death. In the event an NEO terminates his employment for &#8220;good reason&#8221; or is terminated by the
Company without cause, all outstanding stock options to purchase common stock held by the NEO will immediately become exercisable in
full commencing on the date of termination, with such options exercisable for the lesser of the original option term or within 60 days
from the date of the NEO&#8217;s date of termination. Severance benefits payable with respect to a termination (other than Accrued Amounts)
shall not be payable until the termination constitutes a &#8220;separation from service&#8221; (as defined under Treasury Regulation
Section 1.409A-1(h)).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Potential
Payments Upon Termination or Change in Control</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table sets forth the potential (estimated) payments and benefits to which each NEO would be entitled upon termination of employment
by the NEO for &#8220;good reason&#8221; or by the Company &#8220;without cause,&#8221; or following a Change in Control of the Company,
as specified under each of their respective Employment Agreements with the Company, assuming each circumstance described below occurred
on December 31, 2021, the last day of our most recent fiscal year. Such potential payments include any Accrued Amounts (accrued base
salary earned for 2021 but paid in 2022, as well as accrued unused vacation/sick time and other vested benefits under the Company plans
in which he/she participates). The NEO is not entitled to payment of any benefits upon termination for cause or resignation without good
reason other than for Accrued Amounts.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto">
  <tr style="vertical-align: bottom">
    <td>&#160;</td><td>&#160;</td>
    <td colspan="2" style="text-align: center">By Executive for</td><td>&#160;</td><td>&#160;</td>
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  <tr style="vertical-align: bottom">
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  <tr style="vertical-align: bottom">
    <td style="text-align: left">Name and Principal Position</td><td>&#160;</td>
    <td colspan="2" style="text-align: center">Company Without</td><td>&#160;</td><td>&#160;</td>
    <td colspan="2" style="text-align: center">Change in Control</td><td>&#160;</td></tr>
  <tr style="vertical-align: bottom">
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    <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center">Cause</td><td style="padding-bottom: 1pt">&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
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  <tr style="vertical-align: bottom">
    <td>&#160;</td><td>&#160;</td>
    <td colspan="2">&#160;</td><td>&#160;</td><td>&#160;</td>
    <td colspan="2">&#160;</td><td>&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
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    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
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  <tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 10pt">Performance compensation</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">&#8212;</td><td style="text-align: left"><sup>(2)</sup></td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">&#8212;</td><td style="text-align: left"><sup>(2)</sup></td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 10pt">Stock Options</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">465,500</td><td style="text-align: left"><sup>(3)</sup></td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">465,500</td><td style="text-align: left"><sup>(3)</sup></td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td>&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
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    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
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  <tr style="vertical-align: bottom; background-color: White">
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    <td style="text-align: left">$</td><td style="text-align: right">&#8212;</td><td style="text-align: left"><sup>(2)</sup></td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="text-align: left">$</td><td style="text-align: right">181,700</td><td style="text-align: left"><sup>(3)</sup></td><td>&#160;</td>
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  <tr style="vertical-align: bottom; background-color: White">
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    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
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    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="text-align: left">$</td><td style="text-align: right">624,380</td><td style="text-align: left"><sup>(1)</sup></td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">624,380</td><td style="text-align: left"><sup>(1)</sup></td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 10pt">Performance compensation</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">&#8212;</td><td style="text-align: left"><sup>(2)</sup></td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">&#8212;</td><td style="text-align: left"><sup>(2)</sup></td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 10pt">Stock Options</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">181,700</td><td style="text-align: left"><sup>(3)</sup></td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">181,700</td><td style="text-align: left"><sup>(3)</sup></td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td>&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left">Andy Lombardo</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 0pt">EVP of Nuclear and Technical Services</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 10pt">Base salary and Accrued Amounts</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">591,222</td><td style="text-align: left"><sup>(1)</sup></td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">591,222</td><td style="text-align: left"><sup>(1)</sup></td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 10pt">Performance compensation</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">&#8212;</td><td style="text-align: left"><sup>(2)</sup></td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">&#8212;</td><td style="text-align: left"><sup>(2)</sup></td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 10pt">Stock Options</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">58,200</td><td style="text-align: left"><sup>(3)</sup></td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">58,200</td><td style="text-align: left"><sup>(3)</sup></td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td>&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left">Richard Grondin</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">EVP of Waste Treatment Operations</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 10pt">Base salary and Accrued Amounts</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">569,218</td><td style="text-align: left"><sup>(1)</sup></td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">569,218</td><td style="text-align: left"><sup>(1)</sup></td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 10pt">Performance compensation</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">&#8212;</td><td style="text-align: left"><sup>(2)</sup></td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">&#8212;</td><td style="text-align: left"><sup>(2)</sup></td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 10pt">Stock Options</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">86,400</td><td style="text-align: left"><sup>(3)</sup></td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">86,400</td><td style="text-align: left"><sup>(3)</sup></td></tr>
  </table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 58.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(1)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Represents
    two times the base salary of the NEO at December 31, 2021 plus &#8220;Accrued Amounts.&#8221;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(2)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Represents
    two times the performance compensation earned for fiscal year 2021 which was $0 (see &#8220;2021 MIPs&#8221; below).</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(3)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Benefit
    is calculated based on the difference between the exercise price of each option and the market value of the Company&#8217;s Common
    Stock per share (as reported on the NASDAQ) at December 31, 2021 times the number of options outstanding at December 31, 2021. Benefit
    excludes options which were out-of-the-money at December 31, 2021.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.3in; text-align: justify; text-indent: -0.3in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>2021
Executive Compensation Components</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">For
the fiscal year ended December 31, 2021, the principal components of compensation for executive officers were:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">base
    salary;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">performance-based
    incentive compensation;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">long
    term incentive compensation;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">retirement
    and other benefits; and</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">perquisites.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Based
on the amounts set forth in the Summary Compensation table, during 2021, salary accounted for approximately 67.4% of the total compensation
of our NEOs, while equity option awards, MIP compensation, and other compensation accounted for approximately 32.6% of the total compensation
of the NEOs.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Base
Salary</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
NEOs, other officers, and other employees of the Company receive a base annual salary. Base salary ranges for executive officers are
determined for each executive based on his or her position and responsibility by using market data and comparisons to similar companies
within the business segments in which the Company operates.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">During
its review of base salaries for executives, the Compensation Committee primarily considers:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">market
    data and comparisons to similar companies within the business segments in which the Company operates;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">internal
    review of the executive&#8217;s compensation, both individually and relative to other officers; and</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">individual
    performance of the executive.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Salary
levels are typically considered annually as part of the performance review process as well as upon a promotion or other change in job
responsibility. Merit-based salary increases for executives are based on the Compensation Committee&#8217;s assessment of the individual&#8217;s
performance. The base salary and potential annual base salary adjustments for the NEOs are set forth in their respective employment agreements.
On January 20, 2022, the Compensation Committee and the Board approved a cost of living increase of 6.4% to each NEO&#8217;s annual base
salary, effective January 1, 2022. Such increase was reflected in each of the 2022 MIPs as described below.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Performance-Based
Incentive Compensation</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Compensation Committee has the latitude to design cash and equity-based incentive compensation programs to promote high performance and
achievement of our corporate objectives by directors and the NEOs, encourage the growth of stockholder value and enable employees to
participate in our long-term growth and profitability. The Compensation Committee may grant stock options and/or performance bonuses.
In granting these awards, the Compensation Committee may establish any conditions or restrictions it deems appropriate. In addition,
the CEO has discretionary authority to grant stock options to certain high-performing executives or officers, subject to the approval
of the Compensation Committee. The exercise price for each stock option granted is at or above the market price of our Common Stock on
the date of grant. Stock options may be awarded to newly hired or promoted executives at the discretion of the Compensation Committee.
Grants of stock options to eligible newly hired executive officers are generally made at the next regularly scheduled Compensation Committee
meeting following the hire date.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>2021
MIPs</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
January 21, 2021, the Compensation Committee and the Board approved individual MIP for the calendar year 2021 for each of the Company&#8217;s
NEOs. Each of the MIPs was effective January 1, 2021 and applicable for the 2021 fiscal year. Each MIP provides guidelines for the calculation
of annual cash incentive-based compensation, subject to Compensation Committee oversight and modification.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
performance compensation payable under each MIP was based upon meeting certain of the Company&#8217;s separate target objectives during
2021 as described in each of the MIPs below. The Compensation Committee believe performance compensation payable under each of the MIPs
should be based on achievement of an EBITDA (earnings before interest, taxes, depreciation and amortization) target, a non- GAAP (&#8220;Generally
Accepted Accounting Principles&#8221;) financial measurement, as the Company believes that this target provides a better indicator of
operating performance as it excludes certain non-cash items. EBITDA has certain limitations as it does not reflect all items of income
or cash flows that affect the Company&#8217;s financial performance under GAAP.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Certain
targets set forth in each of 2021 MIPs took into account the Board-approved budget for 2021 as well as the Compensation Committee&#8217;s
expectation for performance that in its estimation would warrant payment of incentive cash compensation. In formulating certain targets,
the Compensation Committee and the Board considered 2020 results, economic conditions, potential continued impact of COVID-19 and forecasts
for 2021 government spending.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Performance
compensation, if any, was to be paid on or about 90 days after year-end, or sooner, based on final Form 10-K filing. The Compensation
Committee retained the right to modify, change or terminate each MIP and may adjust the various target amounts described below, at any
time and for any reason.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
total performance compensation that was to be paid to the NEOs under the MIPs was not to exceed 50% of the Company&#8217;s pre-tax net
income prior to the calculation of performance compensation.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following schedules reflect performance compensation payable under each of the MIPs, along with descriptions of the target objectives.
No performance compensation was earned under any of the MIPs for 2021. In February 2021, the Compensation Committee approved a cost of
living increase of 2.3% to each NEO&#8217;s annual base salary, effective April 1, 2021. This increase was not reflected in the annualize
base pay below for each of the 2021 MIPs as approved on January 21, 2021:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i><span style="text-decoration: underline">CEO
MIP</span>:</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 90%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 82%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Annualized Base Pay:</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">344,400</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Performance Incentive
    Compensation Target (at 100% of Plan):</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">172,200</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total Annual Target
    Compensation (at 100% of Plan):</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">516,600</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
Environmental Serivces, Inc.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021
Management Incentive Plan</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">CEO
MIP MATRIX</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Target Objectives</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="22" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Performance
    Target Achieved</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">60%-74%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">75%-89%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">90%-110%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">111%-129%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">130%-150%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&gt;150%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center; width: 28%"><span style="font-family: Times New Roman, Times, Serif">Revenue (1) (6)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,722</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">8,610</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">17,220</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">29,520</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">41,820</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">66,420</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">EBITDA (2)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10,332</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">51,660</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">103,320</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">250,920</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">398,520</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Health &amp; Safety (3) (6)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">25,830</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">25,830</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Permit &amp; License
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,583</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">12,915</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">25,830</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">25,830</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">25,830</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">25,830</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">17,220</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">86,100</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">172,200</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">258,300</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">344,400</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">516,600</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i><span style="text-decoration: underline">CFO
MIP:</span></i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 90%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 82%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Annualized Base Pay:</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">280,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Performance Incentive
    Compensation Target (at 100% of Plan):</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">140,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total Annual Target
    Compensation (at 100% of Plan):</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">420,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
Environmental Serivces, Inc.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021
Management Incentive Plan</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">CFO
MIP MATRIX</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Target Objectives</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="22" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Performance
    Target Achieved</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">60%-74%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">90%-110%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">111%-129%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">130%-150%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&gt;150%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center; width: 28%"><span style="font-family: Times New Roman, Times, Serif">Revenue (1) (6)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,400</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">7,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">14,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">23,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">31,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">37,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">EBITDA (2)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10,500</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">52,500</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">105,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">138,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">186,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">222,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Health &amp; Safety (3) (6)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,050</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">5,250</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10,500</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10,500</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10,500</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10,500</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Permit &amp; License
    Violations (4) (6)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,050</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">5,250</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10,500</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10,500</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10,500</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10,500</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">14,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">70,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">280,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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    <div style="break-before: page; margin-top: 6pt"><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%; font-size: 10pt"><tr style="vertical-align: top; text-align: left"><td style="width: 100%">&#160;</td></tr></table></div>
    <!-- Field: /Page -->

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i><span style="text-decoration: underline">EVP
of Strategic Initiatives MIP:</span></i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 90%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">233,336</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Performance Incentive
    Compensation Target (at 100% of Plan):</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">116,668</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total Annual Target
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    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">350,004</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
Environmental Serivces, Inc.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021
Management Incentive Plan</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">EVP
OF STRATEGIC INITIATIVES MIP MATRIX</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Target Objectives</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="22" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Performance
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">111%-129%</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">130%-150%</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&gt;150%</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center; width: 28%"><span style="font-family: Times New Roman, Times, Serif">Revenue (1) (6)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">5,833</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">11,667</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">19,167</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">25,834</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">30,834</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">EBITDA (2)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">8,750</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">43,751</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">87,501</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">115,001</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">155,002</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">185,002</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Health &amp; Safety (3) (6)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">875</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">4,375</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">8,750</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">8,750</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">8,750</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">8,750</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Permit &amp; License
    Violations (4) (6)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">875</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">4,375</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">8,750</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">8,750</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">8,750</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">8,750</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">11,667</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">58,334</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">116,668</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">151,668</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">198,336</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">233,336</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i><span style="text-decoration: underline">EVP
of Waste Treatment Operations MIP:</span></i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 90%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 82%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Annualized Base Pay:</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">240,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Performance Incentive
    Compensation Target (at 100% of Plan):</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">120,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total Annual Target
    Compensation (at 100% of Plan):</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">360,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
Environmental Serivces, Inc.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021
Management Incentive Plan</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">EVP
OF WASTE TREATMENT OPERATIONS MIP MATRIX</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Target Objectives</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="22" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Performance
    Target Achieved</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">60%-74%</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">75%-89%</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">90%-110%</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">111%-129%</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">130%-150%</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&gt;150%</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: center; font-family: Times New Roman, Times, Serif; width: 28%"><span style="font-family: Times New Roman, Times, Serif">Revenue (1) (6)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,200</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">6,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">12,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">17,143</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">24,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">29,143</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: center; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">EBITDA (2)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">36,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">72,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">102,857</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">144,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">174,857</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Health &amp; Safety (3) (6)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,800</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">9,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">18,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">18,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">18,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">18,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Permit &amp; License Violations
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,800</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">9,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">18,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">18,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">18,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">18,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">12,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">60,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">120,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">156,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">204,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">240,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i><span style="text-decoration: underline">EVP
of Nuclear and Technical Services MIP:</span></i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 90%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 82%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Annualized Base Pay:</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">280,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Performance Incentive
    Compensation Target (at 100% of Plan):</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">140,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total Annual Target
    Compensation (at 100% of Plan):</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-underline-style: double"><span style="text-decoration: underline">420,000</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
Environmental Serivces, Inc.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021
Management Incentive Plan</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">EVP
OF NUCLEAR &amp; TECHNICAL SERVICES MIP MATRIX</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Target Objective</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="22" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Performance
    Target Achieved</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="text-align: center; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">60%-74%</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">75%-89%</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">90%-110%</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">111%-129%</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">130%-150%</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&gt;150%</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center; width: 28%"><span style="font-family: Times New Roman, Times, Serif">Revenue (1) (6)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,400</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">7,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">14,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">20,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">28,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">34,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">EBITDA (2)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">8,400</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">42,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">84,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">120,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">168,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">204,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">21,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(1)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Revenue
    was defined as the total consolidated third-party top line revenue as publicly reported in the Company&#8217;s 2021 financial statements.
    The percentage achieved was determined by comparing the actual consolidated revenue for 2021 to the Board approved Revenue target
    for 2021.</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(2)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">EBITDA
    was defined as earnings before interest, taxes, depreciation, and amortization from continuing and discontinued operations, including
    PF Medical. The percentage achieved was determined by comparing the actual EBITDA to the Board approved EBITDA target for 2021.</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(3)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    Health and Safety incentive was based upon the actual number of Worker&#8217;s Compensation Lost Time Accidents in the Company&#8217;s
    Services Segment, as provided by the Company&#8217;s Worker&#8217;s Compensation carrier. The Corporate Controller submitted a report
    on a quarterly basis documenting and confirming the number of Worker&#8217;s Compensation Lost Time Accidents, supported by the Worker&#8217;s
    Compensation Loss Report provided by the Company&#8217;s carrier or broker. Such claims were identified on the loss report as &#8220;indemnity
    claims.&#8221; The following number of Worker&#8217;s Compensation Lost Time Accidents and corresponding performance target thresholds
    was established for the annual Incentive Compensation Plan calculation for 2021.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 22.5pt; text-align: justify; text-indent: -22.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 50%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Work
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                                   <p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Claim
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Performance</span></p> <p style="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-top: 0; margin-bottom: 0"></p> <p style="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Target
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    <td style="font-family: Times New Roman, Times, Serif; width: 30%; text-align: center"><span style="font-family: Times New Roman, Times, Serif">4</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center; width: 68%"><span style="font-family: Times New Roman, Times, Serif">60%-74%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">3</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">75%-89%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">90%-110%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">1</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">111%-129%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">1</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">130%-150%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">1</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&gt;150%)</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.25in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>&#160;</sup></span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(4)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Permits
    or License Violations incentive was earned/determined according to the scale set forth below: An &#8220;official notice of non-compliance&#8221;
    was defined as an official communication during 2021 from a local, state, or federal regulatory authority alleging one or more violations
    of an otherwise applicable Environmental, Health or Safety requirement or permit provision, which resulted in a facility&#8217;s
    implementation of corrective action(s).</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.25in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 50%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Permit and
    License Violations</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Performance
    <br />Target Achieved</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 30%; text-align: center"><span style="font-family: Times New Roman, Times, Serif">4</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 68%; text-align: center"><span style="font-family: Times New Roman, Times, Serif">60%-74%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">3</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">75%-89%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">90%-110%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">1</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">111%-129%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">1</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">130%-150%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">1</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&gt;150%</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.25in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>&#160;</sup></span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(5)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Cost
    Performance Index (&#8220;CPI&#8221; &#8211; a metric used in measuring project performance) incentive was earned/determined by maintaining
    project performance metrics for all Firm Fixed Price task orders and projects to include monitoring CPI based on recognized earned
    value calculations. As defined through monthly project reviews, all CPI metrics should exceed 1.0 for Nuclear Services Projects.
    A cumulative CPI (&#8220;CCPI&#8221;) was calculated from all fixed cost contracts. The following CCPI and corresponding performance
    target thresholds were established for annual incentive compensation plan calculation for 2021.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.25in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 50%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 30%; text-align: center"><p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">CPI</span></p> <p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(if
                                            CCPI is)</span></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 68%; text-align: center"><p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Performance</span></p> <p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Target
                                            Achieved</span></p></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&lt;.0.60</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">(n/a)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">0.60-0.74</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">60%-74%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">0.75-0.89</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">75%-89%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">0.90-1.10</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">90%-110%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">1.11-1.29</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">111%-129%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">1.30-1.50</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">130%-150%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&gt;1.50</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&gt;150%</span></td></tr>
  </table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.25in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>&#160;</sup></span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(6)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">No
    performance incentive compensation was payable for achieving the target objective unless a minimum of 60% of the EBITDA target objective
    was achieved.</span></td></tr>
  </table>

<p style="margin-top: 0; margin-bottom: 0">&#160;</p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.25in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>2022
MIPs</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
January 20, 2022, the Compensation Committee and the Board approved individual MIPs for the calendar year 2022 for each of the NEOs.
Each of the MIPs was effective January 1, 2022.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
performance compensation payable under each MIP was based upon meeting certain of the Company&#8217;s separate target objectives during
2022 as described in each of the MIPs below.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Certain
targets set forth in each of the 2022 MIPs take into account the Board-approved budget for 2022 as well as the Compensation Committee&#8217;s
expectation for performance that in its estimation would warrant payment of incentive cash compensation. In formulating certain targets,
the Compensation Committee and the Board considered 2021 results, economic conditions, potential continued impact of COVID-19 and forecasts
for 2022 government spending.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Performance
compensation amounts under the 2022 MIPs are to be paid on or about 90 days after year-end, or sooner, based on finalization of our audited
financial statements for 2022.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Compensation Committee retains the right to modify, change or terminate each MIP and may adjust the various target amounts described
below, at any time and for any reason.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
total to be paid to the NEOs under the MIPs shall not exceed 50% of the Company&#8217;s pre-tax net income prior to the calculation of
performance compensation.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following schedules reflect performance compensation payable under each of the MIPs, along with a description of the target objectives.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i><span style="text-decoration: underline">CEO
MIP</span>:</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 90%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 82%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Annualized Base Pay:</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">374,870</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Performance Incentive
    Compensation Target (at 100% of Plan):</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">187,435</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total Annual Target
    Compensation (at 100% of Plan):</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">562,305</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

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    <!-- Field: /Page -->

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
Environmental Serivces, Inc.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022
Management Incentive Plan</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">CEO
MIP MATRIX</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Target Objectives</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="18" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Performance
    Target Achieved</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">75%-89%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">90%-110%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">111%-129%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">130%-150%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&gt;150%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"></td><td style="font-family: Times New Roman, Times, Serif"></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"></td><td style="font-family: Times New Roman, Times, Serif"></td><td style="font-family: Times New Roman, Times, Serif"></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"></td><td style="font-family: Times New Roman, Times, Serif"></td><td style="font-family: Times New Roman, Times, Serif"></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"></td><td style="font-family: Times New Roman, Times, Serif"></td><td style="font-family: Times New Roman, Times, Serif"></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"></td><td style="font-family: Times New Roman, Times, Serif"></td><td style="font-family: Times New Roman, Times, Serif"></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"></td><td style="font-family: Times New Roman, Times, Serif"></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center; width: 28%"><span style="font-family: Times New Roman, Times, Serif">Revenue (1) (6)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">9,372</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">18,744</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">32,132</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">45,520</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">72,296</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">EBITDA (2)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">56,229</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">112,461</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">192,790</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">273,120</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">433,778</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Health &amp; Safety (3) (6)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">14,058</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">28,115</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">28,115</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">28,115</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">28,115</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Permit &amp; License
    Violations (4) (6)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">14,058</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">28,115</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">28,115</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">28,115</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">28,115</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">93,717</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">187,435</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">281,152</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">374,870</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">562,304</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i><span style="text-decoration: underline">CFO
MIP</span>:</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 80%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 82%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Annualized Base Pay:</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">304,772</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Performance Incentive
    Compensation Target (at 100% of Plan):</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">152,386</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total Annual Target
    Compensation (at 100% of Plan):</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">457,158</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
Environmental Serivces, Inc.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022
Management Incentive Plan</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">CFO
MIP MATRIX</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Target Objectives</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="18" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Performance
    Target Achieved</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">75%-89%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">111%-129%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">130%-150%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&gt;150%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center; width: 28%"><span style="font-family: Times New Roman, Times, Serif">Revenue (1) (6)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">7,619</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">15,239</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">25,035</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">33,743</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 8%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">40,273</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">EBITDA (2)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">57,146</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">11,429</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">11,429</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Permit &amp; License
    Violations (4) (6)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">5,714</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">11,429</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">11,429</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">11,429</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">11,429</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">76,193</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">152,386</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">198,102</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">259,056</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">304,772</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i><span style="text-decoration: underline">EVP
of Strategic Initiatives MIP:</span></i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 80%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">253,980</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Performance Incentive
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">126,990</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total Annual Target
    Compensation (at 100% of Plan):</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">380,970</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
Environmental Serivces, Inc.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022
Management Incentive Plan</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">EVP
OF STRATEGIC INITIATIVES MIP MATRIX</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Target Objectives</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="18" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Performance
    Target Achieved</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: center; font-family: Times New Roman, Times, Serif; width: 35%"><span style="font-family: Times New Roman, Times, Serif">Revenue (1) (6)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 9%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">20,863</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 9%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">28,119</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 9%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">33,562</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: center; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">EBITDA (2)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">47,621</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">95,243</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">125,176</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">168,716</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">201,370</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Health &amp; Safety (3) (6)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">4,762</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">9,524</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">9,524</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">9,524</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">9,524</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Permit &amp; License Violations
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">9,524</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">9,524</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">9,524</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">9,524</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">215,883</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">253,980</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i><span style="text-decoration: underline">EVP
of Waste Treatment Operations MIP:</span></i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 80%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 82%; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">Annualized Base Pay:</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">261,233</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: justify; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Performance Incentive
    Compensation Target (at 100% of Plan):</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">130,617</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: justify; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total Annual Target
    Compensation (at 100% of Plan):</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">391,850</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
Environmental Serivces, Inc.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022
Management Incentive Plan</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">EVP
OF WASTE TREATMENT OPERATIONS MIP MATRIX</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Target Objectives</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="18" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Performance
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><p style="text-align: center; margin-top: 0; margin-bottom: 0"></p><span style="font-family: Times New Roman, Times, Serif"></span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">130%-150%</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&gt;150%</span></td><td style="text-align: center; font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 35%; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Revenue (1) (6)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 9%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">6,531</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 9%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">13,062</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 9%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">18,660</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 9%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">26,123</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 9%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">31,721</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">EBITDA (2)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">19,592</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">19,592</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">19,592</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Permit &amp; License
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">9,796</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">19,592</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">19,592</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">19,592</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">19,592</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">65,308</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">130,617</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">169,802</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">222,048</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">261,233</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i><span style="text-decoration: underline">EVP
of Nuclear and Technical Services MIP:</span></i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 80%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 82%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Annualized Base Pay:</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">304,772</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Performance Incentive
    Compensation Target (at 100% of Plan):</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">152,386</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total Annual Target
    Compensation (at 100% of Plan):</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">457,158</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
Environmental Serivces, Inc.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022
Management Incentive Plan</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">EVP
OF NUCLEAR &amp; TECHNICAL SERVICES MIP MATRIX</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Target Objectives</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="18" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Performance
    Target Achieved</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">130%-150%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 35%; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Revenue (1) (6)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 10%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">15,239</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 10%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">21,769</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 10%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">30,477</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 10%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">37,008</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">EBITDA (2)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">45,716</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">91,431</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">130,617</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">182,863</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">222,048</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Health &amp; Safety (3) (6)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">11,429</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">22,858</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">22,858</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">22,858</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">22,858</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Cost Performance Incentive
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">22,858</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">22,858</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">22,858</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">76,193</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">152,386</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">198,102</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">304,772</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(1)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Revenue
    is defined as the total consolidated third-party top line revenue as publicly reported in the Company&#8217;s 2022 financial statements.
    The percentage achieved is determined by comparing the actual consolidated revenue for 2022 to the Board approved Revenue target
    for 2022.&#160;&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>&#160;</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(2)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">EBITDA
    is defined as earnings before interest, taxes, depreciation, and amortization from continuing and discontinued operations. The percentage
    achieved is determined by comparing the actual EBITDA to the Board approved EBITDA target for 2022.</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>&#160;</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(3)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    Health and Safety Incentive target is based upon the actual number of Worker&#8217;s Compensation Lost Time Accidents in the Company&#8217;s
    Services Segment, as provided by the Company&#8217;s Worker&#8217;s Compensation carrier. The Corporate Controller will submit a
    report on a quarterly basis documenting and confirming the number of Worker&#8217;s Compensation Lost Time Accidents, supported by
    the Worker&#8217;s Compensation Loss Report provided by the company&#8217;s carrier or broker.&#160;&#160;Such claims will be identified
    on the loss report as &#8220;indemnity claims.&#8221;&#160;&#160;The following number of Worker&#8217;s Compensation Lost Time Accidents
    and corresponding performance target thresholds has been established for the annual Incentive Compensation Plan calculation for 2022.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 60%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Work
                                            Comp.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Claim
                 Number</span></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Performance</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"></p> <p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Target
                                            Achieved</span></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 48%; text-align: center"><span style="font-family: Times New Roman, Times, Serif">3</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 48%; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">75%-89%</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">90%-110%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">1</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">111%-129%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">1</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">130%-150%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">1</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&gt;150%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.25in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>&#160;</sup></span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(4)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Permits
    or License Violations incentive is earned/determined according to the scale set forth below: An &#8220;official notice of non-compliance&#8221;
    is defined as an official communication during 2022 from a local, state, or federal regulatory authority alleging one or more violations
    of an otherwise applicable Environmental, Health or Safety requirement or permit provision, which results in a facility&#8217;s implementation
    of corrective action(s) which includes a material financial obligation, as determined by the Company&#8217;s Board of Directors in
    their sole discretion, to the Company .</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.25in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 60%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Permit and
    <br />License Violations</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Performance
    <br />Target Achieved</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 48%; text-align: center"><span style="font-family: Times New Roman, Times, Serif">3</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 48%; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">75%-89%
                                            </span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">90%-110%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">1</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">111%-129%
                                            </span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">1</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">130%-150%
                                            </span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">1</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&gt;150%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(5)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">CPI
    incentive is earned/determined by maintaining project performance metrics for all Firm Fixed Price task orders and projects to include
    monitoring CPI based on recognized earned value calculations. As defined through monthly project reviews, all CPI metrics should
    exceed 1.0 for Nuclear Services Projects. A cumulative CPI (CCPI) will be calculated from all fixed cost contracts. The following
    CCPI and corresponding performance target thresholds have been established for annual incentive compensation plan calculation for
    2022. </span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.25in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 60%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 48%; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">CPI</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(if
                                            CCPI is)</span></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1.5pt; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1.5pt; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 48%; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Performance</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"></p> <p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Target
                                            Achieved</span></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1.5pt; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">0.75-0.89</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">75%-89%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">0.90-1.10</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">90%-110%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.11-1.29</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">111%-129%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.30-1.50</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">130%-150%
                                            </span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&gt;1.50</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&gt;150%</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(6)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">No
    performance incentive compensation will be payable for the target objective unless a minimum of 75% of the EBITDA target objective
    is achieved.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Long-Term
Incentive Compensation</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Employee
Stock Option Plans</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
2017 Stock Option Plan (&#8220;2017 Plan&#8221;) encourages participants to focus on long-term performance and provides an opportunity
for executive officers and certain designated key employees to increase their stake in the Company. Stock options succeed by delivering
value to executives only when the value of our stock increases. The 2017 Plan authorizes the grant of Non-Qualified Stock Options (&#8220;NQSOs&#8221;)
and Incentive Stock Options (&#8220;ISOs&#8221;) for the purchase of our Common Stock.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
2017 Plan assists the Company to:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">enhance
    the link between the creation of stockholder value and long-term executive incentive compensation;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">provide
    an opportunity for increased equity ownership by executives; and</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">maintain
    competitive levels of total compensation;</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Stock
option award levels are determined based on market data, vary among participants based on their positions with the Company and are granted
generally at the Compensation Committee&#8217;s regularly scheduled July or August meeting. Newly hired or promoted executive officers
who are eligible to receive options are generally awarded such options at the next regularly scheduled Compensation Committee meeting
following their hire or promotion date.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Options
are awarded with an exercise price equal to or not less than the closing price of the Company&#8217;s Common Stock on the date of the
grant as reported on the NASDAQ. In certain limited circumstances, the Compensation Committee may grant options to an executive at an
exercise price in excess of the closing price of the Company&#8217;s Common Stock on the grant date.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s NEOs have outstanding options from the Company&#8217;s 2017 Plan (See &#8220;Item 11 &#8211; Executive Compensation &#8211;
Outstanding Equity Awards at Fiscal Year-End - Outstanding Equity Awards at December 31, 2021&#8221; for outstanding options for each
of our NEOs). An option granted to our President and CEO in May 2016 for the purchase of up to 50,000 shares of the Company&#8217;s Common
Stock at $3.97 per share with an expiration date of May 15, 2022 remains outstanding under the 2010 Stock Option Plan. The 2010 Stock
Option Plan expired on September 29, 2020; however, the option remains in effect until the earlier of the exercise date by the optionee
or the maturity date of May 15, 2022.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
cases of termination of an executive officer&#8217;s employment due to death, by the executive for &#8220;good reason,&#8221; by the
Company without cause, and due to a &#8220;change of control,&#8221; all outstanding stock options to purchase common stock held by the
executive officer will immediately become exercisable in full (see further discussion of the exercisability term of these options in
each of these circumstances in &#8220;Item 11 &#8211; EXECUTIVE COMPENSATION &#8211; Employment Agreements&#8221;). Otherwise, vesting
of option awards ceases upon termination of employment and exercise right of the vested option amount ceases upon three months from termination
of employment except in the case of retirement (subject to a six-month limitation) and disability (subject to a one-year limitation).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Accounting
for Stock-Based Compensation</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
account for stock-based compensation in accordance with ASC 718, &#8220;Compensation &#8211; Stock Compensation.&#8221; ASC 718 establishes
accounting standards for entity exchanges of equity instruments for goods or services. It also addresses transactions in which an entity
incurs liabilities in exchange for goods or services that are based on the fair value of the entity&#8217;s equity instruments or that
may be settled by the issuance of those equity instruments. ASC 718 requires all stock-based payments to employees, including grants
of employee stock options, to be recognized in the income statement based on their fair values. The Company uses the Black-Scholes option-pricing
model to determine the fair-value of stock-based awards which requires subjective assumptions. Assumptions used to estimate the fair
value of stock options granted include the exercise price of the award, the expected term, the expected volatility of the Company&#8217;s
stock over the option&#8217;s expected term, the risk-free interest rate over the option&#8217;s expected term, and the expected annual
dividend yield. We recognize stock-based compensation expense using a straight-line amortization method over the requisite period, which
is the vesting period of the stock option grant.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Retirement
and Other Benefits</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>401(k)
Plan</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company adopted the Perma-Fix Environmental Services, Inc. 401(k) Plan (the &#8220;401(k) Plan&#8221;) in 1992, which is intended to
comply with Section 401 of the Internal Revenue Code and the provisions of the Employee Retirement Income Security Act of 1974. All full-time
employees who have attained the age of 18 are eligible to participate in the 401(k) Plan. Eligibility is immediate upon employment but
enrollment is only allowed during four quarterly open periods of January 1, Apri1 1, July 1, and October 1. Participating employees may
make annual pretax contributions to their accounts up to 100% of their compensation, up to a maximum amount as limited by law. At our
discretion, we may make matching contributions based on the employee&#8217;s elective contributions. Company contributions vest over
a period of five years. In 2021, the Company contributed approximately $589,000 in 401(k) matching funds, of which approximately $32,000
was for our NEOs (see the &#8220;Summary Compensation&#8221; table in this section for 401(k) matching fund contributions made for the
NEOs for 2021).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Perquisites
and Other Personal Benefits</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company provides executive officers with limited perquisites and other personal benefits (health/disability/life insurance) that the
Company and the Compensation Committee believe are reasonable and consistent with its overall compensation program to better enable the
Company to attract and retain superior employees for key positions. The Compensation Committee periodically reviews the levels of perquisites
and other personal benefits provided to executive officers. The executive officers are provided an auto allowance.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Compensation
of Directors</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Directors
who are employees receive no additional compensation for serving on the Board or its Board of Directors Committee(s) (the &#8220;Committee(s)&#8221;).
In 2021, the Company provided the following compensation to each non-employee Board member and the Board Committee(s) for which the Board
member serves.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">each
    director was paid a quarterly fee of $11,500;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">the
    Chairman of the Board was paid an additional quarterly fee of $8,750;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">the
    Chairman of the Audit Committee was paid an additional quarterly fee of $6,250;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">the
    Chairman of each of the Compensation Committee, the Nominating Committee, and the Strategic Committee was paid an additional $3,125
    in quarterly fees. The Chairman of the Board was not eligible to receive a quarterly fee for serving as the Chairman of any the aforementioned
    committees;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">each
    Audit Committee member (excluding the Chairman of the Audit Committee) was paid an additional quarterly fee of $1,250;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">each
    member of the Compensation Committee, the Nominating Committee, and the Strategic Committee was paid an additional quarterly fee
    of $500. Such fee was payable only if the member did not also serve as the Chairman of any other standing committees or as the Chairman
    of the Board; and</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">a
    fee of $1,000 for each board meeting attendance and a $500 fee for meeting attendance via conference call.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Each
director may elect to have either 65% or 100% of such fees payable in Common Stock under the 2003 Outside Directors Stock Option Plan
(&#8220;2003 Outside Directors Plan&#8221;), with the balance, if any, payable in cash.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Prior
to July 20, 2021, each non-employee director was also provided an option to purchase 6,000 and 2,400 shares of the Company&#8217;s Common
Stock upon initial election and re-election, respectively, with each option having a 10-year term and being fully vested after six months
from date grant date. On July 20, 2021, at the Company&#8217;s Annual Meeting of Stockholders, the Company&#8217;s stockholders approved
an amendment to the Company&#8217;s 2003 Outside Directors Plan which provided the following, among other thing: increased (a) the number
of shares of Common Stock subject to the automatic option grant made to each non-employee director upon initial election, from 6,000
to 20,000 shares, (b) increased the number of shares of Common Stock subject to the automatic option grant made to each non-employee
director upon reelection, from 2,400 to 10,000 shares, and (c) amended the vesting period of options granted under the plan, from a six-month
vesting period to 25% per year, beginning on the first anniversary date of the grant.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Dr.
Louis Centofanti, a current member of the Board, is not eligible to receive compensation for his service as a director of the Company
as he is an employee of the Company (see &#8220;Summary Compensation&#8221; table in this section for Dr. Centofanti&#8217;s annual salary
and other compensation as an employee of the Company).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
table below summarizes the director compensation expenses recognized by the Company for director options and stock awards (resulting
from fees earned) for the year ended December 31, 2021. The terms of the 2003 Outside Directors Plan are further described below under
&#8220;2003 Outside Directors Plan.&#8221;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span style="text-decoration: underline">Director
Compensation</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">($)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 37%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Thomas
    P. Bostick</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">69,188</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">38,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(3)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">30,008</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Joseph
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">38,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(3)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">122,669</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">31,850</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">78,859</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">38,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(3)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">148,709</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">26,600</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">65,873</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">38,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(3)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">130,473</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(1)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Under
    the 2003 Outside Directors Plan, each director elects to receive 65% or 100% of the director&#8217;s fees in shares of our Common
    Stock. The amounts set forth above represent the portion of the director&#8217;s fees paid in cash and exclude the value of the director&#8217;s
    fee elected to be paid in Common Stock under the 2003 Outside Directors Plan, which values are included under &#8220;Stock Awards.&#8221;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(2)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    number of shares of Common Stock comprising stock awards granted under the 2003 Outside Directors Plan is calculated based on 75%
    of the closing market value of the Common Stock as reported on the NASDAQ on the business day immediately preceding the date that
    the quarterly fee is due. Such shares are fully vested on the date of grant. The value of the stock award is based on the market
    value of our Common Stock at each quarter end times the number of shares issuable under the award. The amount shown is the fair value
    of the Common Stock on the date of the award.</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(3)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Reflects
    options granted under the Company&#8217;s 2003 Outside Directors Plan resulting from re-election to the Board on July 20, 2021. Options
    are for a 10-year period with an exercise price of $5.93 per share and vest 25% per year, beginning on the first anniversary date
    of the grant. The value of the option award for each outside director is calculated based on the fair value of the option per share
    (approximately $3.80) on the date of grant times the number of options granted, which was 10,000 for each director, pursuant to ASC
    718, &#8220;Compensation &#8211; Stock Compensation.&#8221; Option awards for Kerry C. Duggan also included the grant of an option
    for the purchase of up to 6,000 shares of our Common Stock upon initial election to the Board on May 4, 2021. The options have a
    10-year term with an exercise price of $7.50 per share and are fully vested six months from date of grant. The fair value of the
    6,000 options was determined to be approximately $30,000 based on fair value of $4.97 per share.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.3in; text-align: justify; text-indent: -0.3in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>&#160;</sup></span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(4)</sup></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    following table reflects the aggregate number of outstanding NQSO held by the Company&#8217;s directors at December 31, 2021. As
    an employee of the Company or its subsidiaries, Dr. Centofanti is not eligible to participate in the 2003 Outside Directors Plan.
    Options reflected below for Dr. Centofanti were granted from the 2017 Plan as discussed previously:</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.3in; text-align: justify; text-indent: 36.9pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 80%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Options Outstanding at</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Name</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 80%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Dr. Louis Centofanti</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">85,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Thomas P. Bostick</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">16,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Kerry C. Duggan</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">16,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Joseph T. Grumski</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">18,400</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Joe R. Reeder</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">31,600</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Larry M. Shelton</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">31,600</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Zach P. Wamp</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">23,200</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="padding-bottom: 1pt; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Mark A. Zwecker</span></td><td style="padding-bottom: 1pt; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">31,600</span></td><td style="padding-bottom: 1pt; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="padding-bottom: 2.5pt; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="padding-bottom: 2.5pt; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">253,400</span></td><td style="padding-bottom: 2.5pt; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.3in; text-align: justify; text-indent: 36.9pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>2003
Outside Directors Plan</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
believe that it is important for our directors to have a personal interest in our success and growth and for their interests to be aligned
with those of our stockholders; therefore, under our 2003 Outside Directors Plan, as amended, each outside director is granted a 10-year
option to purchase up to 20,000 shares of Common Stock on the date such director is initially elected to the Board, and receives on each
re-election date an option to purchase up to another 10,000 shares of our Common Stock, with the exercise price being the fair market
value of the Common Stock preceding the option grant date. Common Stock shares subject to option granted vest at 25% per year, beginning
on the first anniversary date of the grant and no option shall be exercisable after the expiration of ten years from the date the option
is granted. At December 31, 2021, options to purchase 204,400 shares of Common Stock were outstanding under the 2003 Outside Directors
Plan, of which 134,400 were vested at December 31, 2021.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
a member of the Board, each director may elect to receive either 65% or 100% of his director&#8217;s fee in shares of our Common Stock.
The number of shares received by each director is calculated based on 75% of the fair market value of the Common Stock determined on
the business day immediately preceding the date that the quarterly fee is due. The balance of each director&#8217;s fee, if any, is payable
in cash. In 2021, the fees earned by our outside directors totaled approximately $556,000. Reimbursements of expenses for attending meetings
of the Board are paid in cash at the time of the applicable Board meeting. As a management director, Dr. Centofanti is not eligible to
participate in the 2003 Outside Directors Plan.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
of December 31, 2021, we have issued 775,346 shares of our Common Stock in payment of director fees since the inception of the 2003 Outside
Directors Plan.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
the event of a &#8220;change of control&#8221; (as defined in the 2003 Outside Directors Plan), each outstanding stock option and stock
award shall immediately become exercisable in full notwithstanding the vesting or exercise provisions contained in the stock option agreement.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.7in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="GV_001"></span>ITEM
    12.</b></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>SECURITY
    OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS</b></span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Security
Ownership of Certain Beneficial Owners</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
table below sets forth information as to the shares of Common Stock beneficially owned as of February 14, 2022 by each person known by
us to be the beneficial owners of more than 5% of any class of our voting securities.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 80%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">Name
    of Beneficial Owner</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Title</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Of
                                            Class</b></span></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Amount
                                            and</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Nature
                                            of</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Ownership</b></span></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Percent</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Of</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Class
                                            <sup>(1)</sup></b></span></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 54%; font-weight: normal; text-align: left"><span style="font: normal 10pt Times New Roman, Times, Serif">Heartland
    Advisors, Inc. <sup>(2)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 12%; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Common</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,141,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">8.6</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(1)
</sup>The number of shares and the percentage of outstanding Common Stock shown as beneficially owned by a person are based upon 13,234,430
shares of Common Stock outstanding on February 14, 2022, and the number of shares of Common Stock which such person has the right to
acquire beneficial ownership of within 60 days. Beneficial ownership by our stockholders has been determined in accordance with the rules
promulgated under Section 13(d) of the Exchange Act.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>&#160;</sup></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(2)
</sup>This information is based on the Schedule 13D of Heartland Advisors, Inc., an investment advisor, filed with the Commission on
November 16, 2021 disclosing that at November 12, 2021, each Heartland Advisors, Inc. and Mr. William Nasgovitz, as a control person
of Heartland Advisors, Inc. had shared dispositive power over all shares shown above and shared voting power over 1,045,500 of such shares.
The address of Heartland Advisors, Inc. is 789 North Water Street, Milwaukee, WI 53202.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Additionally,
Schelhammer Capital Bank AG, a banking institution regulated by the banking regulations of Austria, has represented to the Company that
as of February 1, 2022, it holds of record as a nominee for, and as an agent of, certain accredited investors, 2,073,983 shares of our
Common Stock. None of the Common Stock held by Schelhammer Capital Bank AG for the account of any single investor represents more than
4.9% of our Common Stock and to the best knowledge of Schelhammer Capital Bank AG, as far as stocks held by such investors in accounts
with Schelhammer Capital Bank AG, none of such investors act together as a group or otherwise act in concert for the purpose of voting
on matters subject to the vote of our stockholders or for purpose of disposition or investment of such stock. Additionally, the investors
for whom Schelhammer Capital Bank AG acts as nominee with respect to such shares maintain full voting and dispositive power over the
Common Stock beneficially owned by such investors, and Schelhammer Capital Bank AG has neither voting nor investment power over such
shares. Accordingly, Schelhammer Capital Bank AG believes that (i) it is not the beneficial owner, as such term is defined in Rule 13d-3
of the Exchange Act, of the shares of Common Stock registered in Schelhammer Capital Bank AG&#8217;s name because (a) Schelhammer Capital
Bank AG holds the Common Stock as a nominee only, (b) Schelhammer Capital Bank AG has neither voting nor investment power over such shares,
and (c) Schelhammer Capital Bank AG has not nominated or sought to nominate, and does not intend to nominate in the future, any person
to serve as a member of our Board; and (ii) it is not required to file reports under Section 16(a) of the Exchange Act or to file either
Schedule 13D or Schedule 13G in connection with the shares of our Common Stock registered in the name of Schelhammer Capital Bank AG.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Notwithstanding
the previous paragraph, if Schelhammer Capital Bank AG&#8217;s representations to us described above are incorrect or if the investors
for whom Schelhammer Capital Bank AG acts as nominee are acting as a group, then Schelhammer Capital Bank AG or a group of such investors
could be a beneficial owner of more than 5% of our voting securities. If Schelhammer Capital Bank AG was deemed the beneficial owner
of such shares, the following table sets forth information as to the shares of voting securities that Schelhammer Capital Bank AG may
be considered to beneficially own on February 1, 2022:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 80%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Name
    of <br />Record Owner</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Title</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Of
                                            Class</b></span></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Amount
                                            and</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Nature
                                            of</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Ownership</b></span></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Percent</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Of</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Class
                                            <sup>(*)</sup></b></span></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 54%; font-weight: normal; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Schelhammer
    Capital Bank AG</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 12%; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Common</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2,073,983<sup></sup></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><sup>(+)</sup><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">15.7</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(*)
</sup>This calculation is based upon 13,234,430 shares of Common Stock outstanding on February 14, 2022, plus the number of shares of
Common Stock which Schelhammer Capital Bank AG, as agent for certain accredited investors has the right to acquire within 60 days, which
is none.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(+)
</sup>This amount is the number of shares that Schelhammer Capital Bank AG has represented to us that it holds of record as nominee for,
and as an agent of, certain accredited investors. As of February 1, 2022, the date of Schelhammer Capital Bank AG&#8217;s representations
to us, Schelhammer Capital Bank AG has no warrants or options to acquire, as agent for certain investors, additional shares of our Common
Stock. Although Schelhammer Capital Bank AG is the record holder of the shares of Common Stock described in this note, Schelhammer Capital
Bank AG has advised us that it does not believe it is a beneficial owner of the Common Stock or that it is required to file reports under
Section 16(a) or Section 13(d) of the Exchange Act. Schelhammer Capital Bank AG has advised us that it (a) holds the Common Stock as
a nominee only and that it does not exercise voting or investment power over the Common Stock held in its name and that no one investor
for which it holds our Common Stock holds more than 4.9% of our issued and outstanding Common Stock and (b) has not nominated, and has
not sought to nominate, and does not intend to nominate in the future, any person to serve as a member of our Board. Accordingly, we
do not believe that Schelhammer Capital Bank AG is our affiliate. Schelhammer Capital Bank AG&#8217;s address is Goldschmiedgasse 3,
A-1010 Wien, Austria.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Security
Ownership of Management</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table sets forth information as to the shares of voting securities beneficially owned as of February 14, 2022, by each of our
directors and NEOs and by all of our directors and NEOs as a group. Beneficial ownership has been determined in accordance with the rules
promulgated under Section 13(d) of the Exchange Act. A person is deemed to be a beneficial owner of any voting securities for which that
person has the right to acquire beneficial ownership within 60 days.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amount and Nature</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name of Beneficial
    Owner <sup>(2)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">of
    Beneficial Owner <sup>(1)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Percent
    of Class <sup>(1)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 58%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Thomas P. Bostick
    <sup>(3)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 18%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">18,984</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(3)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">*</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Kerry C. Duggan <sup>(4)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10,538</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(4)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">*</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Dr. Louis F. Centofanti <sup>(5)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">280,325</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(5)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2.11</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Joseph T. Grumski <sup>(6)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">28,610</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(6)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">*</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Joe R. Reeder <sup>(7)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">228,239</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(7)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1.72</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Larry M. Shelton <sup>(8)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">160,790</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(8)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1.21</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Zack P. Wamp <sup>(9)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">40,746</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(9)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">*</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mark A. Zwecker <sup>(10)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">221,093</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(10)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1.67</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mark Duff <sup>(11)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">164,958</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(11)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1.23</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Richard Grondin <sup>(12)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">22,036</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(12)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">*</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Andy Lombardo <sup>(13)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">17,900</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(13)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">*</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Ben Naccarato <sup>(14)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">52,318</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(14)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">*</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Directors and Executive Officers as a Group
    (12 persons)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,246,537</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(15)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">9.16</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">*Indicates
beneficial ownership of less than one percent (1%).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(1)
</sup>See footnote (1) of the table under &#8220;Security Ownership of Certain Beneficial Owners.&#8221;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>&#160;</sup></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(2)
</sup>The business address of each person, for the purposes hereof, is c/o Perma-Fix Environmental Services, Inc., 8302 Dunwoody Place,
Suite 250, Atlanta, Georgia 30350.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(3)
</sup>Mr. Bostick has sole and voting and investment power over all shares shown, which include: (i) 12,984 shares of Common Stock held
of record by Mr. Bostick, and (ii) immediately exercisable options to purchase 6,000 shares.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(4)
</sup>Ms. Duggan has sole and voting and investment power over all shares shown, which include: (i) 4,538 shares of Common Stock held
of record by Ms. Duggan, and (ii) immediately exercisable options to purchase 6,000 shares.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(5)
</sup>These shares include (i) 168,525 shares held of record by Dr. Centofanti, (ii) immediately exercisable options to purchase 49,000
shares, and (iii) 62,800 shares held by Dr. Centofanti&#8217;s wife. Dr. Centofanti has sole voting and investment power over all such
shares, except for the shares held by Dr. Centofanti&#8217;s wife, over which Dr. Centofanti shares voting and investment power. Dr.
Centofanti also owns 700 shares of PF Medical&#8217;s Common Stock.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(6)
</sup>Mr. Grumski has sole and voting and investment power over all shares shown, which include: (i) 20,210 shares of Common Stock held
of record by Mr. Grumski, and (ii) immediately exercisable options to purchase 8,400 shares.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(7)
</sup>Mr. Reeder has sole voting and investment power over all shares shown, which include: (i) 206,639 shares of Common Stock held of
record by Mr. Reeder, and (ii) immediately exercisable options to purchase 21,600 shares.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>&#160;</sup></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(8)
</sup>Mr. Shelton has sole voting and investment power over all shares shown, which include: (i) 139,190 shares of Common Stock held
of record by Mr. Shelton, and (ii) immediately exercisable options to purchase 21,600 shares. Mr. Shelton also owns 750 shares of PF
Medical&#8217;s Common Stock.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>&#160;</sup></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(9)
&#160;</sup>Mr. Wamp has sole voting and investment power over all shares shown, which include: (i) 27,546 shares of Common Stock held
of record by Mr. Wamp, and (ii) immediately exercisable options to purchase 13,200 shares.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(10)
</sup>Mr. Zwecker has sole voting and investment power over all shares shown, which include: (i) 199,493 shares of Common Stock held
of record by Mr. Zwecker, and (ii) immediately exercisable options to purchase 21,600 shares.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(11)
</sup>Mr. Duff has sole voting and investment power over all shares shown, which include: (i) 19,958 shares of Common Stock held of record
by Mr. Duff, and (ii) immediately exercisable options to purchase 145,000 shares.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(12)
&#160;</sup>Mr. Grondin has sole voting and investment power over all shares shown, which include: (i) 36 shares of Common Stock held
of record by Mr. Grondin, and (ii) immediately exercisable options to purchase 22,000 shares.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(13)
&#160;</sup>Mr. Lombardo has sole voting and investment power over all shares shown, which include: (i) 5,900 shares of Common Stock
held of record by Mr. Lombardo, and (ii) immediately exercisable options to purchase 12,000 shares.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(14)
&#160;</sup>Mr. Naccarato has sole voting and investment power over all shares shown, which include: (i) 3,318 shares of Common Stock
held of record by Mr. Naccarato, and (ii) immediately exercisable options to purchase 49,000 shares. Mr. Naccarato also owns 100 shares
of PF Medical&#8217;s Common Stock.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(15)
</sup>Amount includes 375,400 immediately exercisable options.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Equity
Compensation Plans</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table sets forth information as of December 31, 2021, with respect to our equity compensation plans.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Equity
    Compensation Plan</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Plan Category</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Number
    of securities to <br />be issued upon exercise <br />of outstanding options <br />warrants and rights</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Weighted
    average <br />exercise price of <br />outstanding <br />options, warrants <br />and rights</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Number
    of securities <br />remaining available for <br />future issuance under <br />equity compensation <br />plans (excluding <br />securities reflected
    in <br />column (a)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">(a)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">(b)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">(c)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 52%; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">Equity compensation plans approved
    by stockholders</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,019,400</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">4.91</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">943,854</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: justify; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Equity compensation
    plans not approved by stockholders</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,019,400</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">4.91</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">943,854</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.3in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>&#160;</sup></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.7in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="GV_002"></span>ITEM
    13.</b></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>CERTAIN
    RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE</b></span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
describe below transactions to which we were a party during our last two fiscal years or to which we currently propose to be a party
in the future, and in which:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">the
    amounts involved exceeded or will exceed the lesser of $120,000 or one percent of the average of our total assets at year-end for
    the last two completed fiscal years; and</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">any
    of our directors, executive officers or beneficial owners of more than 5% of any class of our voting securities, or any member of
    the immediate family of the foregoing persons, had or will have a direct or indirect material interest.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Audit
Committee Review</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
Audit Committee Charter provides for the review by the Audit Committee of any related party transactions, other than transactions involving
an employment relationship with the Company, which are reviewed by the Compensation Committee. Although we do not have written policies
for the review of related party transactions, the Audit Committee reviews transactions between the Company and its directors, executive
officers, holders of more than 5% of any class of the Company&#8217;s voting securities, and their respective immediate family members.
In reviewing a proposed transaction, the Audit Committee takes into account, among other factors it deems appropriate:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(1)</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">the
extent of the related person&#8217;s interest in the transaction;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(2)</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">whether
    the transaction is on terms generally available to an unaffiliated third-party under the same or similar circumstances;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(3)</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">the
    cost and benefit to the Company;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(4)</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">the
    impact or potential impact on a director&#8217;s independence in the event the related party is a director, an immediate family member
    of a director or an entity in which a director is a partner, stockholder or executive officer;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(5)</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">the
    availability of other sources for comparable products or services;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(6)</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">the
    terms of the transaction; and</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(7)</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">the
    risks to the Company.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
addition, as applicable, the Audit Committee considers Section 144 of the Delaware General Corporation Law (&#8220;DGCL&#8221;) and the
Company&#8217;s Code of Ethics.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
provisions of Section 144 of the DGCL apply to transactions between the Company and any of its officers or directors, or any organization
in which any such individual has a financial interest or serves as a director or officer (individually, a &#8220;Section 144 Related
Party,&#8221; and, collectively, &#8220;Section 144 Related Parties&#8221;). Section 144 provides that a transaction between a corporation
and any Section 144 Related Party will not be void or voidable solely because such transaction involves the corporation and the Section
144 Related Party, or solely because the Section 144 Related Party is present at or participates or votes in the meeting of the board
or committee which authorizes the transaction, if the transaction (a) is approved in good faith after full disclosure of the material
facts of the transaction by a majority vote of (i) the disinterested directors, or (ii) the stockholders, and (b) is fair as to the corporation
as of the time it is authorized, approved, or ratified by the board, a committee or the stockholders.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
provisions of the Code of Ethics apply to our NEOs and provides that such individuals must exhibit and promote honest and ethical conduct
in connection with the performance of his or her duties for and on behalf of the Company, including the ethical handling of actual or
apparent conflicts of interest involving such individual and the Company, by, among other considerations:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">not
    entering into a transaction that would result in a conflict of interest with what is in the best interest of the Company and that
    is reasonably likely to result in material personal gain to any such individuals or their affiliates;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">not
    having a personal financial interest in any of the Company&#8217;s suppliers, customers or competitors that could cause divided loyalty
    as a result of having the ability to influence the Company&#8217;s decisions with that particular supplier or customer or actions
    to be taken by the Company that could materially benefit a competitor.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Related
party transactions are reviewed by the Audit Committee prior to the consummation of the transaction. With respect to a related party
transaction arising between Audit Committee meetings, the CFO may present it to the Audit Committee Chairperson, who will review and
may approve the related party transaction subject to ratification by the Audit Committee at the next scheduled meeting. Our Audit Committee
shall approve only those transactions that, in light of known circumstances, are not inconsistent with the Company&#8217;s best interests.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Related
Party Transactions</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>David
Centofanti</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">David
Centofanti serves as our Vice President of Information Systems. For such position, he received annual compensation of $184,000 and $181,000
for 2021 and 2020, respectively. David Centofanti is the son of Dr. Louis F. Centofanti, our EVP of Strategic Initiatives and a Board
member.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Board
Independence</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
Common Stock is listed on the Nasdaq Capital Market. Rule 5605 of the Nasdaq Marketplace Rules requires a majority of a listed company&#8217;s
board of directors to be comprised of independent directors. In addition, the Nasdaq Marketplace Rules require that, subject to specified
exceptions, each member of a listed company&#8217;s audit, compensation and nominating and corporate governance committees be independent
under applicable provisions of the Securities Exchange Act of 1934, as amended (the &#8220;Exchange Act&#8221;). Audit committee members
must also satisfy independence criteria set forth in Rule 10A-3 under the Exchange Act, and compensation committee members must also
satisfy the independence criteria set forth in Rule 10C-1 under the Exchange Act. Under Nasdaq Rule 5605(a)(2), a director will only
qualify as an &#8220;independent director&#8221; if, in the opinion of our Board, that person does not have a relationship that would
interfere with the exercise of independent judgment in carrying out the responsibilities of a director. In order to be considered independent
for purposes of Rule 10A-3 under the Exchange Act, a member of an audit committee of a listed company may not, other than in his or her
capacity as a member of the audit committee, the board of directors, or any other board committee, accept, directly or indirectly, any
consulting, advisory, or other compensatory fee from the listed company or any of its subsidiaries or otherwise be an affiliated person
of the listed company or any of its subsidiaries. In order to be considered independent for purposes of Rule 10C-1, the board must consider,
for each member of a compensation committee of a listed company, all factors specifically relevant to determining whether a director
has a relationship to such company which is material to that director&#8217;s ability to be independent from management in connection
with the duties of a compensation committee member, including, but not limited to: the source of compensation of the director, including
any consulting advisory or other compensatory fee paid by such company to the director; and whether the director is affiliated with the
company or any of its subsidiaries or affiliates.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
Board annually undertakes a review of the composition of our Board of Directors and its committees and the independence of each director.
Based upon information requested from and provided by each director concerning his background, employment and affiliations, including
family relationships, our Board of Directors has determined that Ms. Kerry C. Duggan and each of Messrs. Thomas P. Bostick, Joseph T.
Grumski, Joe R. Reeder, Larry M. Shelton, Zach P. Wamp and Mark A. Zwecker is an &#8220;independent director&#8221; as defined under
the Nasdaq Marketplace Rules. Our Board of Directors has also determined that each member of our Audit Committee, consisting of Mark
A. Zwecker (Chairperson), Joseph T. Grumski, and Larry M. Shelton, and each member of our Compensation Committee, consisting of Joseph
T. Grumski (who became a member and the Chairperson effective January 21, 2021), Zach P. Wamp (who became a member effective January
21, 2021), Mark A. Zwecker, Larry M. Shelton (who was replaced by Joseph T. Grumski as a member and the Chairperson effective January
21, 2021), and Joe R. Reeder (who was replaced by Zach P. Wamp as a member effective January 21, 2021) satisfy/satisfied the independence
standards for such committees established by the Commission and the Nasdaq Marketplace Rules, as applicable. In making such determination,
our Board of Directors considered the relationships that each such non-employee director has with our Company and all other facts and
circumstances our Board of Directors deemed relevant in determining independence, including the beneficial ownership of our capital stock
by each non-employee director.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
Board of Directors has determined that Dr. Centofanti is not deemed to be an &#8220;independent director&#8221; because of his employment
as a senior executive of the Company.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; width: 0.7in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="GV_003"></span>ITEM
    14.</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">PRINCIPAL
    ACCOUNTANT FEES AND SERVICES</span></td></tr>
  </table>
<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif">The
following table reflects the aggregate fees for the audit and other services provided by Grant Thornton LLP, the Company&#8217;s independent
registered public accounting firm, for fiscal years 2021 and 2020:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 60%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif">Fee Type</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 64%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Audit Fees<sup>(1)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">968,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left">$</td><td style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">573,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Tax Fees
    <sup>(2)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1.5pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1.5pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">146,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1.5pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1.5pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">104,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left">&#160;</td><td style="font-family: Times New Roman, Times, Serif">&#160;</td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left">&#160;</td><td style="font-family: Times New Roman, Times, Serif; text-align: right">&#160;</td><td style="font-family: Times New Roman, Times, Serif; text-align: left">&#160;</td><td style="font-family: Times New Roman, Times, Serif">&#160;</td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left">&#160;</td><td style="font-family: Times New Roman, Times, Serif; text-align: right">&#160;</td><td style="font-family: Times New Roman, Times, Serif; text-align: left">&#160;</td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,114,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">677,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><sup>(1)
</sup>Audit fees consist of audit work performed in connection with the annual financial statements, the reviews of unaudited quarterly
financial statements, and work generally only the independent registered accounting firm can reasonably provide, such as consents and
review of regulatory documents filed with the Securities and Exchange Commission.</span></p>

<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>&#160;</sup></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><sup>(2)
</sup>Fees for income tax planning, filing, and consulting.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Engagement
of the Independent Auditor</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">To
ensure that our independent registered public accounting firm is engaged only to provide audit and non-audit services that are compatible
with maintaining its independence, the Audit Committee has a policy that requires the Committee to review and approve in advance all
services to be provided by the Company&#8217;s independent accounting firm before the firm is engaged to provide those services. The
Audit Committee considers non-audit services and fees when assessing auditor independence, and determined that tax return preparation
and other tax compliance services is compatible with maintaining our accounting firm&#8217;s independence. All services under the headings
Audit Fees and Tax Fees were approved by the Audit Committee pursuant to paragraph (c)(7)(i)(C) of Rule 2-01 of Regulation S-X of the
Exchange Act. The Audit Committee&#8217;s pre-approval policy provides as follows:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.3in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.3in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    Audit Committee will review and pre-approve on an annual basis all audits, audit-related, tax and other services, along with acceptable
    cost levels, to be performed by the independent accounting firm and any member of the independent accounting firm&#8217;s alliance
    network of firms, and may revise the pre-approved services during the period based on later determinations. Pre-approved services
    typically include: audits, quarterly reviews, regulatory filing requirements, consultation on new accounting and disclosure standards,
    employee benefit plan audits, reviews and reporting on management&#8217;s internal controls and specified tax matters.</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Any
    proposed service that is not pre-approved on the annual basis requires a specific pre-approval by the Audit Committee, including
    cost level approval.</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    Audit Committee may delegate pre-approval authority to one or more of the Audit Committee members. The delegated member must report
    to the Audit Committee, at the next Audit Committee meeting, any pre-approval decisions made.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="GV_004"></span>PART
IV</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.7in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="GV_005"></span>ITEM
    15.</b></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>EXHIBITS
    AND FINANCIAL STATEMENT SCHEDULE</b></span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following documents are filed as a part of this report:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.6in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(a)(1)</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consolidated
    Financial Statements</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">See
    Item 8 for the Index to Consolidated Financial Statements.</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(a)(2)</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Financial
    Statement Schedule</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Schedules
    are not required, are not applicable or the information is set forth in the consolidated financial statements or notes thereto. </span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(a)(3)</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Exhibits</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    Exhibits listed in the Exhibit Index are filed or incorporated by reference as a part of this report.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">SIGNATURES</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Pursuant
to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed
on its behalf by the undersigned, thereunto duly authorized.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
Environmental Services, Inc.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1.5pt; width: 5%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">By</span></td>
    <td style="border-bottom: Black 1.5pt solid; font: 10pt Times New Roman, Times, Serif; width: 44%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>/s/
    Mark Duff</i></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1.5pt; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1.5pt; width: 5%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Date</span></td>
    <td style="border-bottom: Black 1.5pt solid; font: 10pt Times New Roman, Times, Serif; width: 44%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">April
    6, 2022</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mark
    Duff</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Chief
    Executive Officer, President and </span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Principal
    Executive Officer</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">By</span></td>
    <td style="border-bottom: Black 1.5pt solid; font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>/s/
    Ben Naccarato</i></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Date</span></td>
    <td style="border-bottom: Black 1.5pt solid; font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">April
    6, 2022</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Ben
    Naccarato</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Chief
    Financial Officer and </span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Principal
    Financial Officer </span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Pursuant
to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the
registrant and in capacities and on the dates indicated.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1.5pt; width: 5%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">By</span></td>
    <td style="border-bottom: Black 1.5pt solid; font: 10pt Times New Roman, Times, Serif; width: 44%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>/s/
    Thomas P. Bostick</i></span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1.5pt; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1.5pt; width: 5%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Date</span></td>
    <td style="border-bottom: Black 1.5pt solid; font: 10pt Times New Roman, Times, Serif; width: 44%">April 6, 2022</td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Thomas
    P. Bostick, Director</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
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    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">By</span></td>
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    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Larry
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">By</span></td>
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    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Zach
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    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">EXHIBIT
INDEX</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
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    <p style="font: bold 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><span style="text-decoration: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">No.</span></p></td>
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
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    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.1</span></td>
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    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.2</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315221010613/ex4-1.htm" style="-sec-extract: exhibit">First Amendment to Second Amended and Restated Revolving Credit, Term Loan and Security Agreement between Perma-Fix Environmental Services, Inc. and PNC Bank, National Association (as Lender and as Agent), dated May 4, 2021, as incorporated by reference from Exhibit 4.1 to the Company&#8217;s Form 10-Q for the Quarter Ended March 31, 2021 filed on May 6, 2021.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.3</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315221019308/ex4-3.htm" style="-sec-extract: exhibit">Second
    Amendment to Second Amended and Restated Revolving Credit, Term Loan and Security Agreement between Perma-Fix Environmental Services,
    Inc. and PNC Bank, National Association (as Lender and as Agent), dated August 10, 2021, as incorporated by reference from Exhibit
    4.3 to the Company&#8217;s Form 10-Q for the Quarter Ended June 30, 2021 filed on August 11, 2021.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.4</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><a href="ex4-4.htm"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Third
    Amendment to Second Amended and Restated Revolving Credit, Term Loan and Security Agreement between Perma-Fix Environmental Services,
    Inc. and PNC Bank, National Association (as Lender and as Agent), dated March 29, 2022, as incorporated by reference from
    Exhibit 4.1 to the Company&#8217;s Form 8-K filed on April 4, 2022. </span></a></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.5</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315219004464/ex4-16.htm" style="-sec-extract: exhibit">Common Stock Purchase Warrant dated April 1, 2019 for Robert L. Ferguson, as incorporated by reference from Exhibit 4.16 to the Company&#8217;s 2018 Form 10-K filed on April 1, 2019.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">10.1</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315220004463/ex10-1.htm" style="-sec-extract: exhibit">2003 Outside Directors&#8217; Stock Plan of the Company, as incorporated by reference from Exhibit 10.1 to the Company&#8217;s 2019 Form 10-K filed on March 20, 2020.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.2</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315220004463/ex10-2.htm" style="-sec-extract: exhibit">First Amendment to 2003 Outside Directors Stock Plan, as incorporated by reference from Exhibit 10.2 to the Company&#8217;s 2019 Form 10-K filed on March 20, 2020.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">10.3</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315218003480/ex10-3.htm" style="-sec-extract: exhibit">Second Amendment to 2003 Outside Directors Stock Plan, as incorporated by reference from Exhibit 10.3 to the Company&#8217;s 2017 Form 10-K filed on March 16, 2018.</a> </span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">10.4</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315218003480/ex10-4.htm" style="-sec-extract: exhibit">Third Amendment to 2003 Outside Directors Stock Plan, as incorporated by reference from Exhibit 10.4 to the Company&#8217;s 2017 Form 10-K filed on March 16, 2018.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.5</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000143774917011669/pesi20170612_def14a.htm" style="-sec-extract: exhibit">Fourth Amendment to 2003 Outside Directors Stock Plan, as incorporated by reference from Exhibit A to the Company&#8217;s Proxy Statement for its 2017 Annual Meeting of Stockholders filed on June 22, 2017.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.6</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315221013968/formdef14a.htm" style="-sec-extract: exhibit">Fifth Amendment to 2003 Outside Directors Stock Plan, as incorporated by reference from Exhibit A to the Company&#8217;s Proxy Statement for its 2021 Annual Meeting of Stockholders filed on June 10, 2021.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.7</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000143774917011669/pesi20170612_def14a.htm" style="-sec-extract: exhibit">2017 Stock Option Plan, as incorporated by reference from Exhibit B to the Company&#8217;s Proxy Statement for its 2017 Annual Meeting of Stockholders filed on June 22, 2017.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.8</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315220011053/def14a.htm" style="-sec-extract: exhibit">First Amendment to 2017 Stock Option Plan, as incorporated by reference from Appendix &#8220;A&#8221; to the Company&#8217;s Proxy Statement for its 2020 Annual Meeting of Stockholders filed on June 12, 2020.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.9</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315220014021/ex99-1.htm" style="-sec-extract: exhibit">Employment Agreement dated July 22, 2020 between Mark Duff, Chief Executive Officer, and Perma-Fix Environmental Services, Inc., as incorporated by reference from Exhibit 99.1 to the Company&#8217;s Form 8-K filed on July 27, 2020.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.10</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315220014021/ex99-2.htm" style="-sec-extract: exhibit">Employment Agreement dated July 22, 2020 between Dr. Louis Centofanti, Executive Vice President of Strategic Initiatives, and Perma-Fix Environmental Services, Inc., as incorporated by reference from Exhibit 99.2 to the Company&#8217;s Form 8-K filed on July 27, 2020.</a></span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center; width: 0.75in"><span style="font: normal 10pt Times New Roman, Times, Serif">10.11</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 0.1in"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315220014021/ex99-3.htm" style="-sec-extract: exhibit">Employment Agreement dated July 22, 2020 between Ben Naccarato, Chief Financial Officer, and Perma-Fix Environmental Services, Inc., as incorporated by reference from Exhibit 99.3 to the Company&#8217;s Form 8-K filed on July 27, 2020.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.12</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315220014021/ex99-4.htm" style="-sec-extract: exhibit">Employment Agreement dated July 22, 2020 between Andy Lombardo, EVP of Nuclear and Technical Services, Inc. and Perma-Fix Environmental Services, Inc., as incorporated by reference from Exhibit 99.4 to the Company&#8217;s Form 8-K filed on July 27, 2020.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.13</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315220014021/ex99-5.htm" style="-sec-extract: exhibit">Employment Agreement dated July 22, 2020 between Richard Grondin, EVP of Waste Treatment Operations and Perma-Fix Environmental Services, Inc., as incorporated by reference from Exhibit 99.5 to the Company&#8217;s Form 8-K filed on July 27, 2020.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.14</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315222002198/ex99-5.htm" style="-sec-extract: exhibit">2022 Incentive Compensation Plan for Chief Executive Officer, effective January 1, 2022, as incorporated by reference from Exhibit 99.5 to the Company&#8217;s Form 8-K filed on January 25, 2022. CERTAIN INFORMATION WITHIN THIS EXHIBIT HAS BEEN EXCLUDED BECAUSE IT IS NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE COMPANY IF PUBLICLY DISCLOSED.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.15</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315222002198/ex99-6.htm" style="-sec-extract: exhibit">2022 Incentive Compensation Plan for Chief Financial Officer, effective January 1, 2022, as incorporated by reference from Exhibit 99.6 to the Company&#8217;s Form 8-K filed on January 25, 2022. CERTAIN INFORMATION WITHIN THIS EXHIBIT HAS BEEN EXCLUDED BECAUSE IT IS NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE COMPANY IF PUBLICLY DISCLOSED.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.16</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315222002198/ex99-7.htm" style="-sec-extract: exhibit">2022 Incentive Compensation Plan for Executive Vice President of Strategic Initiatives, effective January 1, 2022, as incorporated by reference from Exhibit 99.7 to the Company&#8217;s Form 8-K filed on January 25, 2022. CERTAIN INFORMATION WITHIN THIS EXHIBIT HAS BEEN EXCLUDED BECAUSE IT IS NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE COMPANY IF PUBLICLY DISCLOSED.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.17</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315222002198/ex99-8.htm" style="-sec-extract: exhibit">2022 Incentive Compensation Plan for Executive Vice President of Nuclear and Technical Services, effective January 1, 2022, as incorporated by reference from Exhibit 99.8 to the Company&#8217;s Form 8-K filed on January 25, 2022. CERTAIN INFORMATION WITHIN THIS EXHIBIT HAS BEEN EXCLUDED BECAUSE IT IS NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE COMPANY IF PUBLICLY DISCLOSED.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.18</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315222002198/ex99-9.htm" style="-sec-extract: exhibit">2022 Incentive Compensation Plan for Executive Vice President of Waste Treatment Operations, effective January 1, 2022, as incorporated by reference from Exhibit 99.9 to the Company&#8217;s Form 8-K filed on January 25, 22. CERTAIN INFORMATION WITHIN THIS EXHIBIT HAS BEEN EXCLUDED BECAUSE IT IS NOT MATERIAL AND WOULD LLIKELY CAUSE COMPETITIVE HARM TO THE COMPANY IF PUBLICLY DISCLOSED.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.19</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000143774917013557/ex99-1.htm" style="-sec-extract: exhibit">Incentive Stock Option Agreement dated July 27, 2017 between Perma-Fix Environmental Services, Inc., and Chief Executive Officer, as incorporated by reference from Exhibit 99.1 to the Company&#8217;s Form 8-K filed on August 2, 2017.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.20</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000143774917013557/ex99-2.htm" style="-sec-extract: exhibit">Incentive Stock Option Agreement dated July 27, 2017 between Perma-Fix Environmental Services, Inc., and Executive Vice President/Chief Operating Officer, as incorporated by reference from Exhibit 99.2 to the Company&#8217;s Form 8-K filed on August 2, 2017.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.21</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000143774917013557/ex99-3.htm" style="-sec-extract: exhibit">Incentive Stock Option Agreement dated July 27, 2017 between Perma-Fix Environmental Services, Inc., and Chief Financial Officer, as incorporated by reference from Exhibit 99.3 to the Company&#8217;s Form 8-K filed on August 2, 2017.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.22</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315219000838/ex99-4.htm" style="-sec-extract: exhibit">Incentive Stock Option Agreement dated January 17, 2019 between Perma-Fix Environmental Services, Inc., and Chief Executive Officer, as incorporated by reference from Exhibit 99.4 to the Company&#8217;s Form 8-K filed on January 23, 2019.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.23</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315219000838/ex99-5.htm" style="-sec-extract: exhibit">Incentive Stock Option Agreement dated January 17, 2019 between Perma-Fix Environmental Services, Inc., and Chief Financial Officer, as incorporated by reference from Exhibit 99.5 to the Company&#8217;s Form 8-K filed on January 23, 2019.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.24</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315219000838/ex99-6.htm" style="-sec-extract: exhibit">Incentive Stock Option Agreement dated January 17, 2019 between Perma-Fix Environmental Services, Inc., and EVP of Strategic Initiatives, as incorporated by reference from Exhibit 99.6 to the Company&#8217;s Form 8-K filed on January 23, 2019.</a></span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center; width: 0.75in"><span style="font: normal 10pt Times New Roman, Times, Serif">10.25</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 0.1in"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315220014021/ex99-11.htm" style="-sec-extract: exhibit">Incentive Stock Option Agreement dated October 19, 2017 between Perma-Fix Environmental Services, Inc., and Richard Grondin, as incorporated by reference from Exhibit 99.11 to the Company&#8217;s Form 8-K filed on July 27, 2020.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.26</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315220014021/ex99-12.htm" style="-sec-extract: exhibit">Incentive Stock Option Agreement dated January 17, 2019 between Perma-Fix Environmental Services, Inc., and Richard Grondin, as incorporated by reference from Exhibit 99.12 to the Company&#8217;s Form 8-K filed July 27, 2020.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.27</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000143774917014241/ex10-6.htm" style="-sec-extract: exhibit">Stock Option Agreement dated July 27, 2017 between Perma-Fix Environmental Services, Inc., and Mr. Robert L. Ferguson, as incorporated by reference from Exhibit 10.6 to the Company&#8217;s second quarter Form 10-Q filed on August 9, 2017.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.28</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315219004464/ex10-23.htm" style="-sec-extract: exhibit">First Amendment to Stock Option Agreement dated July 27, 2017 between Perma-Fix Environmental Services, Inc. and Mr. Robert L. Ferguson, as incorporated by reference from Exhibit 10.23 to the Company 2018 Form 10-K filed on April 1, 2019.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.29</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315220005420/ex99-3.htm" style="-sec-extract: exhibit">Second Amendment to Stock Option Agreement dated July 27, 2017 between Perma-Fix Environmental Services, Inc. and Mr. Robert L. Ferguson, as incorporated by reference from Exhibit 99.3 to the Company Form 8-K filed on March 31, 2020.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.30</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315222002198/ex99-4.htm" style="-sec-extract: exhibit">Third Amendment to Stock Option Agreement dated July 27, 2017 between Perma-Fix Environmental Services, Inc. and Mr. Robert L. Ferguson, as incorporated by reference from Exhibit 99.4 to the Company Form 8-K filed on January 25, 2022.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.31</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315219006656/ex10-1.htm" style="-sec-extract: exhibit">Task Order Agreement for Small Scales Remediation Package between Canadian Nuclear Laboratories LTD and Perma-Fix Canada Inc., as incorporated by reference from Exhibit 10.1 to the Company&#8217;s Form 10-Q for the quarter ended March 31, 2019 filed on May 9, 2019. CERTAIN INFORMATION WITHIN SCHEDULE 2 &#8211; PRICE INFORMATION OF THIS EXHIBIT HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE COMPANY IF PUBLICLY DISCLOSED.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.32</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315221028101/ex10-1.htm" style="-sec-extract: exhibit">Solicitation, Offer and Award dated September 17, 2021 issued to Perma-Fix Environmental Services, Inc. by Norfolk Naval Shipyard, as incorporated by reference from Exhibit 10.1 to the Company Form 10- for the Quarter Ended September 30, 2021 filed on November 12, 2021.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><span style="font: normal 10pt Times New Roman, Times, Serif; text-decoration: none">10.33</span></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"></p></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315221024469/ex10-1.htm" style="-sec-extract: exhibit">Placement Agency Agreement, dated as of September 23, 2021, by and between the Company and Wellington Shields &amp; Co., LLC., as incorporated by reference from Exhibit 10.1 to the Company&#8217;s Form 8-K filed on October 4, 2021.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.34</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315221024469/ex10-2.htm" style="-sec-extract: exhibit">Form of Subscription Agreement, dated as of September 30, 2021, between the Company and each purchase named in the signature pages of the respective Subscription Agreements, as incorporated by reference from Exhibit 10.2 to the Company&#8217;s Form 8-K filed on October 4, 2021.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><span style="font: normal 10pt Times New Roman, Times, Serif; text-decoration: none">10.35</span></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"></p></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315221007032/ex10-34.htm" style="-sec-extract: exhibit">Time and Material Master Task Ordering Agreement Subcontract Form of Agreement (subcontract 573512) dated February 23, 2020 and Modification 4 between Perma-Fix Environmental Services, Inc. and Triad National Security, LLC., as incorporated by reference from Exhibit 10.34 to the Company Form 10-K filed on March 29, 2021. CERTAIN INFORMATION OF THIS EXHIBIT WITHIN &#8220;EXHIBIT C&#8221; &#8211; &#8220;Form A-1 SCHEDULE OF RATES AND NOT-TO-EXCEED AMOUNTS&#8221; HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE COMPANY IF PUBICLY DISCLOSED.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.36</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315221007032/ex10-35.htm" style="-sec-extract: exhibit">Time and Material Master Task Ordering Agreement Subcontract Form of Agreement (subcontract 554628) dated August 21, 2019 and Modification 6 between Perma-Fix Environmental Services, Inc. and Triad National Security, LLC., as incorporated by reference from Exhibit 10.35 to the Company&#8217;s Form 10-K filed on March 29, 2021. CERTAIN INFORMATION OF THIS EXHIBIT WITHIN &#8220;EXHIBIT C&#8221; &#8211; &#8220;FORM A-1 SCHEDULE OF RATES AND NOT-TO-EXCEED AMOUNTS&#8221; HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE COMPANY IF PUBICLY DISCLOSED.</a></span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center; width: 0.75in"><span style="font: normal 10pt Times New Roman, Times, Serif">10.37</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 0.1in"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315221025843/ex99-1.htm" style="-sec-extract: exhibit">Incentive Stock Option Agreement between Perma-Fix Environmental Services, Inc. and Chief Executive Officer, dated October 14, 2021, as incorporated by reference from Exhibit 99.1 to the Company&#8217;s Form 8-K/A filed on October 20, 2021.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.38</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315221025843/ex99-2.htm" style="-sec-extract: exhibit">Incentive Stock Option Agreement between Perma-Fix Environmental Services, Inc. and Chief Financial Officer, dated October 14, 2021, as incorporated by reference from Exhibit 99.2 to the Company&#8217;s Form 8-K/A filed on October 20, 2021.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.39</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315221025843/ex99-3.htm" style="-sec-extract: exhibit">Incentive Stock Option Agreement between Perma-Fix Environmental Services, Inc. and EVP of Strategic Initiatives, dated October 14, 2021, as incorporated by reference from Exhibit 99.3 to the Company&#8217;s Form 8-K/A filed on October 20, 2021.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.40</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315221025843/ex99-4.htm" style="-sec-extract: exhibit">Incentive Stock Option Agreement between Perma-Fix Environmental Services, Inc. and EVP of Waste Treatment Operations, dated October 14, 2021, as incorporated by reference from Exhibit 99.4 to the Company&#8217;s Form 8-K/A filed on October 20, 2021.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.41</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font: normal 10pt Times New Roman, Times, Serif"><a href="https://www.sec.gov/Archives/edgar/data/891532/000149315221025843/ex99-5.htm" style="-sec-extract: exhibit">Incentive Stock Option Agreement between Perma-Fix Environmental Services, Inc. and EVP of Nuclear and Technical Services, dated October 14, 2021, as incorporated by reference from Exhibit 99.5 to the Company&#8217;s Form 8-K/A filed on October 20, 2021.</a></span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">10.42</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><a href="ex10-42.htm"><span style="font: normal 10pt Times New Roman, Times, Serif">Joint Venture Term Sheet between Springfields Fuels Limited, an affiliate of Westinghouse, and the Company. CERTAIN INFORMATION WITHIN THIS EXHIBIT HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE COMPANY IF PUBLICLY DISCLOSED.</span></a></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">21.1</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><a href="ex21-1.htm"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">List of Subsidiaries</span></a></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">23.1
    </span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><a href="ex23-1.htm">Consent of Grant Thornton, LLP</a></span></p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">31.1</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">31.2</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><a href="ex31-2.htm"><span style="font: normal 10pt Times New Roman, Times, Serif">Certification by Ben Naccarato, Chief Financial Officer and Principal Financial Officer of the Company pursuant to Rule 13a-14(a) and 15d-14(a).</span></a></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font: normal 10pt Times New Roman, Times, Serif">32.1</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: bold 10pt Times New Roman, Times, Serif; text-align: justify"><a href="ex32-1.htm"><span style="font: normal 10pt Times New Roman, Times, Serif">Certification by Mark Duff, Chief Executive Officer and Principal Executive Officer of the Company furnished pursuant to 18 U.S.C. Section 1350. </span></a></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">32.2</span></td>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span></p>

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to Rule 406T of Regulation S-T, the Interactive Data File in Exhibit 101 hereto are deemed not filed or part of a registration statement
or prospectus for purposes of Section 11 or 12 of the Securities Act of 1933, as amended, are deemed not filed for purpose of Section
18 of the Securities Exchange Act of 1934, as amended, and otherwise are not subject to liability under those sections.</p>

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<TYPE>EX-4.4
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<P STYLE="text-align: center; font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: right; text-indent: 0in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Exhibit
4.4</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: center; text-indent: 0in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: center; text-indent: 0in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">THIRD
AMENDMENT TO SECOND AMENDED AND RESTATED</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: center; text-indent: 0in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">REVOLVING
CREDIT, TERM LOAN AND SECURITY AGREEMENT AND WAIVER</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-indent: 0in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">THIS
THIRD AMENDMENT TO SECOND AMENDED AND RESTATED REVOLVING CREDIT, TERM LOAN AND SECURITY AGREEMENT AND WAIVER, dated as of March 29, 2022
(this &ldquo;<U>Amendment</U>&rdquo;), relating to the Credit Agreement referenced below, is by and among PERMA-FIX ENVIRONMENTAL SERVICES,
INC., a Delaware corporation (the &ldquo;<U>Borrower</U>&rdquo;), the lenders identified on the signature pages hereto (the &ldquo;<U>Lenders</U>&rdquo;),
and PNC Bank, National Association, a national banking association, as agent for the Lenders (in such capacity, the &ldquo;<U>Agent</U>&rdquo;).
Terms used herein but not otherwise defined herein shall have the meanings provided to such terms in the Credit Agreement.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-indent: 0in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: center; text-indent: 0in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">W
I T N E S S E T H</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-indent: 0in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">WHEREAS,
a credit facility has been extended to the Borrower pursuant to the terms of that certain Second Amended and Restated Revolving Credit,
Term Loan and Security Agreement dated as of May 8, 2020 (as amended and modified from time to time, the &ldquo;<U>Credit Agreement</U>&rdquo;)
among the Borrower, the Lenders identified therein, and PNC Bank, National Association, as agent for the Lenders;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">WHEREAS,
the Borrower has requested certain modifications to the Credit Agreement; and</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">WHEREAS,
the Required Lenders have agreed to the requested modifications on the terms and conditions set forth herein;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">NOW,
THEREFORE, IN CONSIDERATION of the premises and other good and valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto agree as follows:</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

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    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><U>Amendments</U>.
    The Credit Agreement is amended as set forth below:</FONT></TD></TR>
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    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; width: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(a)</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Section
    3.3(b) is amended to read as follows:</FONT></TD></TR>
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    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; width: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&ldquo;(b)</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><U>Facility
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 1.5in; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 1.5in; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Borrower
shall pay to Agent a fee for the ratable benefit of Lenders in an amount equal to (i)(x) until the first day of the month in which the
Agent receives Borrower&rsquo;s Compliance Certificate showing a Fixed Charge Coverage Ratio of not less than 1.15 based on a trailing
twelve months (the &ldquo;Step Down Date&rdquo;), 0.50% per annum and (y) after the Step Down Date, 0.375% per annum, <U>multiplied by
</U>(ii) (x) the amount by which the sum of the Maximum Revolving Advance Amount plus the Maximum Equipment Loan Amount exceeds (y) the
sum of the daily unpaid balance of the Revolving Advances plus the daily unpaid balance of the Equipment Loans plus the aggregate amount
of any outstanding Letters of Credit that are available to be drawn during each calendar quarter. Such fee shall be payable to Agent
in arrears on the first day of each calendar quarter with respect to the previous calendar quarter.&rdquo;</FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

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    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; width: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(b)</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Section
    6.5(b) is amended to read as follows: </FONT></TD></TR>
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    <TD STYLE="font: normal 10pt Times New Roman, Times, Serif; width: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&ldquo;(b)</FONT></TD>
    <TD STYLE="font: normal 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><U>Fixed
    Charge Coverage Ratio</U>.</FONT></TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 1.5in; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Cause
to be maintained a Fixed Charge Coverage Ratio of not less than 1.15 to 1.0 for (i) the one quarter period ending as of June 30, 2022;
(ii) the two quarter period ending as of September 30, 2022; (iii) the three quarter period ending as of December 31, 2022; and (iv)
the four quarter period ending as of March 31, 2023 and for each fiscal quarter thereafter.&rdquo;</FONT></P>

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    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; width: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(c)</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Section
    6.5(c) is amended to read as follows: </FONT></TD></TR>
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    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 1.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&ldquo;(c)</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><U>Minimum
    Undrawn Availability</U>.</FONT></TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 1.5in; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Maintain
Undrawn Availability of at least $3,000,000 at all times until receipt by Agent of Borrower&rsquo;s June 30, 2022 Compliance Certificate.&rdquo;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0.5in; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(d)
Exhibit 1.2(a) is deleted in its entirety and replaced with a new Exhibit 1.2(a) attached hereto and incorporated herein by
reference.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.
<U>Waiver</U>. The Agent and the Required Lenders waive the Event of Default resulting from Borrowers&rsquo; failure to comply with Section
6.5(b) (Fixed Charge Coverage Ratio) for the fiscal quarter ended as of December 31, 2021.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3. <U>Conditions
Precedent</U>. This Amendment shall be effective as of the date hereof upon satisfaction of the following conditions:</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0.5in; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0.5in; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(a)
the execution of this Amendment by the Borrower, the Required Lenders and the Agent, and</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0.5in; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0.5in; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(b)
receipt by the Agent of an amendment fee of $15,000.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.
<U>Representations and Warranties</U>. The Borrower hereby represents and warrants in connection herewith that as of the date hereof
(after giving effect hereto) (i) the representations and warranties set forth in Article V of the Credit Agreement are true and correct
in all material respects (except those which expressly relate to an earlier date), and (ii) no Default or Event of Default has occurred
and is continuing under the Credit Agreement.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">5.
<U>Acknowledgments, Affirmations and Agreements</U>. The Borrower (i) acknowledges and consents to all of the terms and conditions of
this Amendment and (ii) affirms all of its obligations under the Credit Agreement and the Other Documents.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">6. <U>Credit
Agreement</U>. Except as expressly modified hereby, all of the terms and provisions of the Credit Agreement remain in full force and
effect.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">7. <U>Expenses</U>.
The Borrower agrees to pay all reasonable costs and expenses in connection with the preparation, execution and delivery of this
Amendment, including the reasonable fees and expenses of the Agent&rsquo;s legal counsel.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">8. <U>Counterparts</U>.
This Amendment may be executed in any number of counterparts, each of which when so executed and delivered shall be deemed an
original. It shall not be necessary in making proof of this Amendment to produce or account for more than one such
counterpart.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">9. <U>Governing
Law</U>. This Amendment shall be deemed to be a contract under, and shall for all purposes be construed in accordance with, the laws
of the State of New York.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">IN
WITNESS WHEREOF, each of the parties hereto has caused a counterpart of this Amendment to be duly executed and delivered as of the date
first above written.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><U>BORROWER</U>:</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">PERMA-FIX
    ENVIRONMENTAL SERVICES, INC.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 50%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 5%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 45%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By
    :</FONT></TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><I>/s/Ben
    Naccarato</I></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name
    :</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Ben
    Naccarato</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Title
    :</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">CFO</FONT></TD></TR>

<TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
<TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><U>AGENT
    AND LENDER</U>:</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">PNC
    BANK, NATIONAL ASSOCIATION, <BR>
in its capacity as Agent and as Lender</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By
    :</FONT></TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><I>/s/Scott
    Goldstein</I></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name
    :</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Scott
    Goldstein</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Title
    :</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Senior
    Vice President</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Third
Amendment to Second Amended and Restated</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Revolving
Credit, Term Loan and Security Agreement</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font-size: 10pt"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 100%">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Exhibit
1.2(a)</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">[Letterhead
of Company]</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"><B>COMPLIANCE
CERTIFICATE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</B></FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">__________________, 20__</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 4in; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">PNC
Bank, National Association, as Agent</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">One
Piedmont Town Center</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4720
Piedmont Row Drive</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Suite
300</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Charlotte,
NC 28210</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Attention:
Scott Goldstein</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
undersigned, the <B>[Chief Executive Officer][President][Chief Financial Officer][Controller]</B> of <B>Perma-Fix Environmental Services,
Inc.</B>, a Delaware corporation, gives this certificate to <B>PNC Bank, National Association, </B>as Agent (in such capacity, the &ldquo;Agent&rdquo;),
in accordance with the requirements of <B>Section 9.7 and 9.8 </B>(Annual and Quarterly Financial Statements) of that certain Second
Amended and Restated Revolving Credit, Term Loan and Security Agreement dated as of May 8, 2020, among the Borrower, the financial institutions
which are parties thereto as Lenders, and the Agent (the &ldquo;Loan Agreement&rdquo;).</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Capitalized
terms used in this Certificate, unless otherwise defined herein, shall have the meanings ascribed to them in the Loan Agreement.</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.
Based upon my review of the financial statements of the Company for the [Fiscal Year/Quarter] ending __________________, 20__,
copies of which are attached hereto, I hereby certify that:</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 1in; text-align: justify; text-indent: -0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(a)</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Section
    6.5(a), the Tangible Adjusted Net Worth is [satisfied / not satisfied] at $__________ when compared to the required amount of at
    least $27,000,000.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(b)</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Section
    6.5(b), the Fixed Charge Coverage Ratio is [satisfied / not satisfied] at _____ to 1.0 when compared to the required <B>1.15 to 1.0
    </B>for (i) the one quarter period ending as of June 30, 2022; (ii) the two quarter period ending as of September 30, 2022; (iii)
    the three quarter period ending as of December 31, 2022; and (iv) the four quarter period ending as of March 31, 2023 and as of the
    end of each fiscal quarter thereafter.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(c)</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Section
    6.5(c), Minimum Undrawn Availability is [satisfied/not satisfied] of $____________ when compared to the required $3,000,000.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(d)</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Sections
    7.4, Investments are [satisfied/not satisfied] as there are $xx,xxx (if none, so state) outstanding.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(e)</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Sections
    7.5(a), Loans are [satisfied/not satisfied] as no advances, loans or extensions of credit have been made except for extensions of
    trade credit in connection with the sale of Inventory in the Ordinary Course of Business and Section 7.5(b), Loans to employees in
    the Ordinary Course of Business in the amount of $xx,xxx (if none, so state) are [less/more] than the allowable amount of $1,000,000
    in the aggregate.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>


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<P STYLE="text-align: center; font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(f)</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Sections
    7.6, Capital Expenditures are [satisfied/not satisfied] as $xx,xxx is [less/more] than the allowable amount of $6,000,000 for any
    fiscal year.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(g)</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Sections
    7.7, Dividends and Distributions are [satisfied/not satisfied] as the payment of all dividends and distributions comply with the
    provisions of Section 7.7.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(h)</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Sections
    7.8, Create additional Indebtedness is [satisfied/not satisfied] as such additional Indebtedness complies with the provisions of
    Section 7.8.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(i)</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Sections
    7.11, Leases are [satisfied/not satisfied] as $<U>xx,xxx</U> is [less/ more] when compared to the annual rental payments for all
    property of $1,000,000.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">No
    Default exists on the date hereof, other than: _______________<B>[</B>if none, so state<B>]</B>; and</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3.</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">No
    Event of Default exists on the date hereof, other than _____________ [if none, so state].</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
    of the date hereof, if applicable, Borrower is current in all material respects in payment of all accrued rent, warehouse fees, and
    other charges to Persons who own or lease any premises where any of the Collateral is located, and there are no pending disputes
    or claims regarding Borrowers&rsquo; failure to pay or delay in payment of any such rent or other charges.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">5.</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Additionally,
    as of the date hereof, as required by Section 9.3, to the best of my knowledge, Borrower is in compliance in all material respects
    with all federal, state and local laws relating to environmental protection and control and occupational safety and health, or if
    such is not the case, specifying in all areas of material non-compliance of which such officer has actual knowledge and the proposed
    action Borrower will implement in order to achieve compliance in all material respects unless full compliance is otherwise required.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">6.</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    financial statements attached hereto are complete and accurate in all respects and were prepared in accordance with GAAP, consistently
    applied, except for the absence of footnotes and subject to year end audit adjustments, and except as may be disclosed in such financial
    statements.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 40%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 60%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">PERMA-FIX
    ENVIRONMENTAL SERVICES, INC.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">_________________
    as <B>[Chief Executive Officer] [President] </B></FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>[Chief
    Financial Officer] [Controller]</B></FONT></P></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Dated _______________ </FONT></TD></TR>
  </TABLE>
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<P STYLE="text-align: center; font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Spreadsheet</FONT></P>

<P STYLE="text-align: center; font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>


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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.42
<SEQUENCE>3
<FILENAME>ex10-42.htm
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Exhibit
10.42</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">[***]
<B>INDICATES CERTAIN INFORMATION IN THIS DOCUMENT WHICH HAS BEEN OMITTED FROM THIS PUBLIC FILING BECAUSE IT IS NOT MATERIAL AND WOULD
LIKELY CAUSE COMPETITIVE HARM TO THE COMPANY IF PUBLICLY DISCLOSED.</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>SPRINGFIELDS
FUELS LTD. PROPRIETARY CLASS 2</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>PERMA-FIX CONFIDENTIAL</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>PROJECT
[***] -TERM SHEET</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>(SUBJECT TO CONTRACT)</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>This
Term Sheet (&ldquo;Term Sheet&rdquo;)</B> is dated this____ day of March, 2022 by and between <B>Springfields Fuels Limited, </B>a company
duly organized and existing under the laws of England and Wales with company number 03857770 whose registered office is situated at Springfields,
Salwick, Preston, Lancashire, PR4 0XJ, United Kingdom (&ldquo;SFL&rdquo;), and Perma-Fix Environmental Services, Inc., a company duly
organized and existing under the laws of the United States with offices located at 8302 Dunwoody Place, Suite 250, Atlanta, GA 30350,
United States (&ldquo;Perma-Fix&rdquo; or &ldquo;PF&rdquo;). SFL and Perma-Fix are individually referred to herein as &ldquo;Party&rdquo;
and jointly referred to herein as the &ldquo;Parties&rdquo;.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">This
Term Sheet summarizes the Parties&rsquo; mutual understanding of the terms and conditions in connection with the formation and operation
of a Joint Venture established <B>[***]</B>, incorporated in England. Other than in respect of confidentiality, as set out in this Term
Sheet, no Party shall have any legally binding or enforceable obligations in respect of this Term Sheet unless there has been and until
(i) the conclusion of due diligence satisfactory to all Parties; (ii) the execution of a mutually agreed definitive Joint Venture Agreement
<B>(&ldquo;JV Agreement&rdquo;)</B> and other supporting agreements by duly authorised representatives on behalf of each Party; and (iii)
the receipt of all approvals required to be obtained by each Party for the project.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 12.6pt; text-align: justify; text-indent: -0.15pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Moreover,
except as expressly provided in any finally executed JV Agreement, no past or future action, course of conduct or failure to act relating
to the proposed project, or relating to the negotiation of the terms of the JV Agreement, will give rise to or serve as a basis for any
obligation or other liability on the part of any Party. It is understood and agreed by the Parties that a JV Agreement will be subject
to additional review and comment by the Parties and their respective legal counsel; and each Party reserves the right to seek to remove,
amend or append the proposed terms set forth below as may be appropriate.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Topic</B></FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Proposed
    Term</B></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>The
    Parties</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Springfields
    Fuels Limited <B>(&ldquo;Springfields&rdquo; or &ldquo;SFL&rdquo;),</B> an affiliate of Westinghouse Electric Company LLC</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
    Environmental Services, Inc. <B>(&ldquo;Perma-Fix&rdquo; or &ldquo;PF&rdquo;)</B></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">[JV
    company <B>(&ldquo;JV&rdquo;)]</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Collectively
    the &ldquo;Parties&rdquo; and individually each a <B>&ldquo;Party&rdquo;.</B></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">SFL
    and PF together the <B>&ldquo;Owners&rdquo; </B>and individually each an <B>&ldquo;Owner&rdquo;.</B></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Authorized
    Scope</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    authorized scope and business of the JV is to receive, characterize (pre- and post-treatment), and treat/process nuclear waste, <B>[***]
    </B>treated on Springfields&rsquo; nuclear licensed site, <B>[***] (&ldquo;SFL Site&rdquo;)</B> (and on no other licensed site),
    <B>[***]</B>.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">For
    the purposes of clarity, &ldquo;Nuclear Waste&rdquo; is defined as radioactive waste and/or radioactive material suitable for <B>[***]</B>.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Corporate
    Form</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    JV shall be a <B>[***]</B>, incorporated in England.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.15pt; text-indent: -0.2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #0A0C0E"><B>SPRINGFIELDS
FUELS LTD. PROPRIETARY CLASS</B></FONT><B> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">2</FONT></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.15pt; text-indent: -0.2pt; color: #0A0C0E"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>PERMA-FIX
CONFIDENTIAL</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B></B></FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Topic</B></FONT></TD>
    <TD STYLE="font: 11pt Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Proposed Term</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Calibri, Helvetica, Sans-Serif">&nbsp;</TD>
    <TD STYLE="font: 11pt Calibri, Helvetica, Sans-Serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Conditions Precedent</B></FONT></TD>
    <TD STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The JV Agreement shall contain certain CPs for the implementation of the JV including but not limited to:</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B></B></FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 2.25in">&nbsp;</TD>
    <TD STYLE="width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">receipt of all regulatory clearances in relation to merger control and foreign investment/ national security reviews; and</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">receipt of any required nuclear regulatory consents and other approvals to the extent required.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Regulatory
    filings</B></FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    Parties will work cooperatively and in a timely manner in making all necessary and appropriate Owner and JV filings to governmental
    authorities including in relation to merger control and foreign investment/ national security reviews, as applicable.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
    the &ldquo;Managing Partner&rdquo;, SFL will be responsible for making filings on behalf of the JV, but PF will be required to co-operate
    and provide all required assistance to SFL in relation to the same.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Ownership
    Interests in the JV</B></FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    initial shareholding of the Owners shall be as follows:</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>[55]%
    </B>SFL</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>[45]%
    </B>PF</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Board
    Composition</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    board of directors shall be composed of <B>[***]</B> directors:</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>[***]
    </B>from SFL</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>[***]
    </B>from PF</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">One
    of the SFL-appointed directors shall serve as the Chairperson and a PF-appointed director shall serve as the Vice-Chairperson.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    quorum for a meeting of the board shall be <B>[***]</B> directors, including one SFL director and one PF director.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Each
    board member shall have one vote subject to the provisions relating to conflicts of interest/ related party transactions.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Any
    remuneration of the board members shall be determined and provided by their appointing Owner and shall not be a JV expense.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">All
    board decisions shall require a simple majority vote unless otherwise specified in the JV Agreement, and subject to the reserved
    matters set out in the JV Agreement.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.15pt; text-indent: -0.2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #0A0C0E"><B>SPRINGFIELDS
FUELS LTD. PROPRIETARY CLASS</B></FONT><B> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">2</FONT></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; color: #0A0C0E"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>PERMA-FIX
CONFIDENTIAL</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Topic</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Proposed
    Term</B></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Management</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    JV shall have a certain number of executive positions, all of whom shall report directly to the CEO:</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">CEO</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">CFO</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">CTO</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    CEO and CFO shall be nominated and provided by SFL. The CTO shall be nominated and provided by PF. Any remuneration of the executives
    (and board members) shall be determined by and be the responsibility of their appointing Owner and shall not be a JV expense.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Reserved
    matters and decisions in respect of Nuclear Obligations</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    board will be responsible for the overall management of the JV but certain actions, including but not necessarily limited to the
    following, will be reserved for unanimous agreement by the Owners.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amendment
    of JV Agreement</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Modification
    of Owner interests</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Affiliated
    party transactions</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Change
    in dividend distribution policy</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Termination
    or liquidation of the JV</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Declaration
    of bankruptcy</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Major
    expansions over <B>[$TBD]</B></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Major
    divestments</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Modification
    of JV scope</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Approval
    of contracts over <B>[$TBD)</B></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Approval
    of cost overruns over <B>[$TBD]</B></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Approval
    of customer contracts over <B>[$TBD)</B></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Agreement
    of and amendments to strategic business plans of the JV</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Agreement
    of and amendments to [annual] budgets of the JV</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Borrowing
    money or the incurring of indebtedness by the JV</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">[Others
    to be considered and incorporated in the JV Agreement]</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Shareholder
    meetings</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    quorum for a shareholder meeting shall be one SFL shareholder and one PF shareholder present in person or by proxy.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Notice
    of at least [10] business days, of all meetings (including adjourned meetings) must be given to all Owners and the Owners shall have
    the right to appoint proxies or other representatives to attend such meetings.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Regulatory
    compliance</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Certain
    rights set forth in the JV Agreement regarding SFL Nuclear Obligations, as defined below, shall be granted to SFL in its role as
    Operator and nuclear site license holder.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">SFL
    as nuclear site licensee of the Springfields Site shall have sole authority to decide or determine any matter that relates to compliance
    with Nuclear Obligations.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0pt; text-align: justify; text-indent: 0.2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&ldquo;Nuclear
Obligations&rdquo; means: (i) any obligations of SFL (including any safeguard obligations to meet plant specific safeguard requirements
or otherwise) pursuant to any applicable nuclear licence, nuclear laws or requirements of an applicable regulatory board, commission
or relevant governmental instrumentality; and (ii) any act, omission or other matter that SFL determines by reference to the proper exercise
of its judgment as a nuclear site licensee in accordance with those obligations as to what is or is not required to be done in any given
situation in order to comply with those obligations (taking into account any applicable regulatory guidance or codes of conduct).&nbsp;</FONT></P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.15pt; text-indent: -0.2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #0A0C0E"><B>SPRINGFIELDS
FUELS LTD. PROPRIETARY CLASS</B></FONT><B> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">2</FONT></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; color: #0A0C0E"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>PERMA-FIX
CONFIDENTIAL</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 12pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Topic</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Proposed
    Term</B></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Parties acknowledge that SFL as a nuclear site license holder in respect of the Springfields Site is subject to various nuclear obligations
including (but not limited to) in relation to:&nbsp;</FONT></P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">site
    safety</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">site
    security</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">safeguarding</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">obligations
    under the applicable nuclear regulatory framework (including SFL&rsquo;s nuclear site license)</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">requirements
    of the Office for Nuclear Regulation</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">arrangements
    entered into with the Nuclear Decommissioning Authority</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Each
    of the Parties agrees to co-operate with SFL in complying with all applicable Nuclear Obligations.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Notwithstanding
    any other provision in the JV Agreement, the Parties acknowledge that the rights, remedies and powers in or under the JV Agreement,
    whether in respect of the board matters, any reserved matters or otherwise, may be exercised only to the extent that the exercise
    thereof does not violate any applicable Nuclear Obligations or cause SFL itself or PF to violate or act contrary to any Nuclear Obligations.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Conflicts
    of interest</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    board of directors shall develop a policy relating to conflicts of interest and related party transactions which shall be adopted
    through the Owner reserved matter procedure.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    JV Agreement shall identify certain matters which could present a conflict of interest (e.g. related party transactions and disputes
    between the JV and an Owner or its affiliate) and such matters shall be dealt with in accordance with the conflict of interest policy
    as adopted by the Owners.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Capex
    and Contributions</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    Owners shall contribute cash to the JV in proportion to their ownership interest in the JV. Such cash shall be used by the JV (i)
    to make improvements and or alterations to the existing Springfields infrastructure and site in preperation for the conduct of the
    JV&rsquo;s business; (ii) engineer, procure, install and commission the <B>[***]</B> equipment; and (iii) to fund the initial JV
    operations and working capital requirements.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; color: #0A0C0E"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #0A0C0E"><B>SPRINGFIELDS
FUELS LTD. PROPRIETARY CLASS</B></FONT><B> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">2</FONT></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 12.7pt; color: #0A0C0E"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>PERMA-FIX
CONFIDENTIAL</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 12.7pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Topic</B></FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Proposed
    Term</B></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Upon
    formation of the JV vehicle, Capex requirements in respect of fixed assests shall be borne by the Owners in accordance with a capex
    plan to be agreed between the Owners. The specific requirements may be addressed in the JV Agreement, an operating agreement, as
    part as the JV budgetary process and/or some other mechanism, as may be appropriate.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    Owners shall contribute cash to the JV in proportion to their ownership interest to fund ongoing JV operations and working capital
    requirements pursuant to an initial operating budget and annual operating budgets set and agreed to by the Owners in accordance with
    the budgetary process set forth in the JV Agreement.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    JV shall call capital from the Owners on an as-needed basis, consistent with terms set forth in the JV Agreement and a capital plan
    to be agreed between the Owners before signing of the JV Agreement.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">If
    at any time an Owner fails to make their full proportionate capital contribution another Owner may make all or part of such proportionate
    capital contribution on the non-contributing Owner&rsquo;s behalf. Such contributions shall be treated as a loan to the non-contributing
    Owner which shall bear interest at an annual rate <B>[***]</B>, until fully repaid. Alternatively, all or any part of a distributions
    remaining outstanding at the time of a distribution may be withheld from the Owner failing to meet its capital contribution obligations
    and applied to settle any outstanding capital contribution.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Any
    additional capital contribution requests that are not contemplated by the agreed capital plan, whether in cash or in kind, by Owners
    shall require unanimous consent of the Owners.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Capital
    calls may be required without unanimous approval of the Owners in certain narrow situations related to SFLs Nuclear Obligations.
    However, these capital calls will still be subject to the ownership interest and JV administrative/management terms of the agreement.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Pre-JV
    formation costs</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">A
    pre-formation fund of <B>[***]</B> per party <B>[***]</B> has been agreed for activities prior to the formation of the JV - this
    will be capitalized into the JV upon it&rsquo;s formation.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">It
    is understood and agreed that all pre-JV formation costs incurred by the Parties over and above the aforementioned pre formation
    fund shall be borne by the respective Parties incurring such cost and shall not be considered a capital cost incurred by the JV.
    Following the formation of the JV, any engineering, procurement and construction management services, including project management,
    provided by the Parties shall be borne by the JV</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #0A0C0E"><B>SPRINGFIELDS
FUELS LTD. PROPRIETARY CLASS</B></FONT><B> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">2</FONT></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; color: #0A0C0E"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>PERMA-FIX
CONFIDENTIAL</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Topic</B></FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Proposed
    Term</B></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    above notwithstanding, it is understood and agreed that technical support services for the <B>[***]</B> Process/Equipment shall be
    provided by PF pursuant to the terms of technology licensing and support services agreement(s).</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Distributions</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">During
    operations, it is intended that the JV shall be self-financed out of the retained earnings of the JV. For financial accounting and
    tax purposes the JV&rsquo;s net profits or net losses shall be determined on a monthly basis and shall be allocated to the Owners
    in proportion to each Owner&rsquo;s relative ownership interest in the JV as set forth in the JV Agreement and as may be amended
    from time to time by mutual written agreement of the Owner&rsquo;s.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    JV shall have a distribution policy, which shall be agreed upon by the Owners and set forth specifically in the JV Agreement. It
    is anticipated that distributions will generally be made on an annual basis subject to the distribution policy and the operating
    budget requirements set forth in the initial operating budget and each annual operating budget established thereafter and adopted
    by the JV. The above notwithstanding, the Owners shall have the authority to determine and distribute available funds annually or
    at more frequent or infrequent intervals as they may mutually agree.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Land/License</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Upon
    startup of the SFL Site <B>[***]</B> operations, SFL shall sublease the part of the SFL Site as required for the JV to operate its
    business to the JV at market rates subject to all relevant Owner approvals.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Such
                                            sub-lease shall include the necessary property and improvements to perform all required SFL
                                            Site <B>[***]</B> operations of</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">the
    JV.</FONT></P></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>[***]
    Process Equipment and Ancillary Equipment and Processes</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">PF
    shall provide all required licenses (including through entry into a technology license agreement) and approvals to the Operator and
    the JV as required in order to enable the Operator to operate the <B>[***]</B> Process/Equipment at the SFL Site on behalf of the
    JV. For purposes of clarity, SFL shall be responsible for obtaining necessary regulatory permitting and licenses required for the
    SFL Site to operate the <B>[***]</B> Process/Equipment.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Upon
    startup of the SFL Site <B>[***]</B> operations, PF shall provide technical support services for the <B>[***]</B> Process/Equipment
    pursuant to the technology licensing and support services agreement(s). Such technical support services shall include on-site training
    of SFL personnel.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Prior
    to startup of the SFL Site <B>[***]</B> operations, PF will be responsible for all costs associated with providing the required training
    of personnel and technical support and covering its own costs necessary to accomplish the commissioning of the <B>[***]</B> Process/Equipment.
    Likewise, SFL will be responsible for its own costs associated with PF&rsquo;s training of SFL&rsquo;s personnel and covering its
    own costs necessary to accomplish the commissioning of the <B>[***]</B> Process/Equipment.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #0A0C0E"><B>SPRINGFIELDS
FUELS LTD. PROPRIETARY CLASS</B></FONT><B> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">2</FONT></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; color: #0A0C0E"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>PERMA-FIX
CONFIDENTIAL</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Topic</B></FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Proposed
    Term</B></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">All
    SFL personnel training provided by PF will be set forth in a training plan drafted by PF and approved by SFL, Perma-Fix and/or the
    JV, as appropriate.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">PF
    shall agree (a) to provide reasonable and customary warranties / performance guarantees for the services it provides in the technology
    licensing and support services agreement(s) and on the technology/equipment for a reasonable period of time in order to correct a
    malfunction, failure or such similar issue that may be caused by the design, specification, or manufacture of the unit and (b) to
    provide support services on an as-needed basis (as determined by the JV) subject to a license and support services agreement during
    the life of the JV vechicle</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Likewise,
    SFL shall agree to provide a reasonable and customary warranty/ performance guarantee for the equipment and processes it provides
    to support the SFL Site <B>[***]</B> operations and for a reasonable period of time in order to correct a malfunction, failure or
    such similar issue that may be caused by the design, specification, or manufacture of the equipment/ processes provided.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Any
    warranty, or extended warranty for the unit, equipment, etc. that is manufactured by a third party will be passed through to the
    Parties and/or the JV.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Intellectual
    Property (&ldquo;IP&rdquo;)</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Each
    Party shall retain ownership of its background IP and foreground IP used by the JV.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">PF
    shall grant to the JV a non-exclusive, perpetual &ldquo;technology license&rdquo; to enable the JV to operate the <B>[***]</B> Process/Equipment
    on agreed terms for the life of the JV. Such license shall enable SFL to operate the <B>[***]</B> Process/Equipment on behalf of
    the JV. The license will include an annual licensing fee (to be paid by the JV) for the use of the <B>[***]</B> Process/Equipment
    and technical support provided by PF.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    license shall include standard terms, conditions, representations and warranties concerning ownership, licensing authority and infringement
    of IP.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #0A0C0E"><B>SPRINGFIELDS
FUELS LTD. PROPRIETARY CLASS</B></FONT><B> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">2</FONT></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; color: #0A0C0E"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>PERMA-FIX
CONFIDENTIAL</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Topic</B></FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Proposed
    Term</B></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Operatorship</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Following
    commissioning (i.e., completing and meeting the necessary trial run, facility commissioning activities and requirements) of the SFL
    Site <B>[***]</B> operations, and training from PF, SFL shall serve as the SFL Site <B>[***]</B> operator <B>(&ldquo;Operator&rdquo;)
    </B>pursuant to the terms of an operating agreement between SFL and the JV <B>(&ldquo;Operating Agreement&rdquo;).</B></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    Operating Agreement shall give SFL as Operator full authority to operate the SFL Site <B>[***]</B> facility in accordance with its
    nuclear site license requirements. (including but not limited to the obligation to enable SFL to hold the &ldquo;controlling mind&rdquo;
    in relation to all applicable Nuclear Obligations), subject to limitations defined in such agreement (i.e., SFL must follow PF operating
    procedures for the technology provided this does not impact SFL&rsquo;s ability to comply with its Nuclear Obligations.)</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    Operating Agreement shall provide that SFL, as Operator, has the authority to: (a) shut down operations in cases of safety/compliance
    concerns and, (b) take any and all actions as may be required in order to comply with its Nuclear Obligations as a nuclear site licensee.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    JV Agreement and Operating Agreement shall include agreed upon, reasonable and customary indemnification and limitation of liability
    provisions mutually agreed to by SFL and PF.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>[***]</B>;
    SFL and PF shall designate all individuals working in the JV, in accordance with the terms of the JV Agreement, and all such individuals
    shall remain SFL or PF employees. PF understands and agrees that the General Manager of the SFL Site <B>[***]</B> operations will
    be a SFL employee designated by SFL.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    Operating Agreement shall include an agreed upon dispute resolution process for resolving any disagreements among the Owners.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">SFL
    and PF shall be reimbursed by the JV for certain operating costs incurred by SFL and PF in respect of the JV as follows:</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9675;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify">`<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Direct
    costs (including personnel training), materials and utilities shall be reimbursed at full cost plus <B>[***]</B>; and</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&#9675;<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Indirect
    labor (G&amp;A expenses) shall be reimbursed proportionate to their association with relevant direct costs plus <B>[***]</B>.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9675;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Licence
    payments shall be paid to both parties for:</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2.75in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">I.</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">IP
    Licence to PF [TBC]</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">II.</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Site
    Licence to SFL [TBC]</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #0A0C0E"><B>SPRINGFIELDS
FUELS LTD. PROPRIETARY CLASS</B></FONT><B> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">2</FONT></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; color: #0A0C0E"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>PERMA-FIX
CONFIDENTIAL</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Topic</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Proposed
    Term</B></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Sales
    and Marketing</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">A
    Marketing and Sales steering committee shall be formed comprising one representative from each Owner to participate in activities.
    The lead of the steering committee shall be rotated annually.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">All
    parties shall identify business opportunities.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Potential
    business opportunities shall be communicated to the Marketing and Sales steering committee.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    Marketing and Sales steering committee shall recommend to the JV a bid/no bid decision using the <B>[***]</B> bid/no-bid assessment
    process.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Any
    recommendation must be accepted by the JV prior to formal engagement with the customer.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    scope of business opportunities shall consist of <B>[***]</B>.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    party responsible for leading the business opportunity with the customer shall be determined using a &ldquo;best athlete approach&rdquo;
    based on geography and strength of the relationship with customer.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Sales
    and Marketing activities will be conducted pursuant to the JV business plan and budget. Sales and marketing expenses incurred outside
    of the budgeted efforts are subject to JV partners approval. Unapproved sales and marketing expenses will be borne by the JV partner
    incurring the costs.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">**Note:
    SFL and PF will agree on an appropriate communications strategy prior to the engagement with potential customers.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Compliance</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    JV and the Owners shall at all times in respect of the JV and its activities, comply with certain, applicable <B>[***]</B> policies
    and procedures, as agreed by the Owners and/or adopted by the JV and as issued/updated from time to time governing, among other things:</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">ISO
    standards 9001/14001/45001</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">EHS
    policies</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Information
    security</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Export/Import
    Control</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Procurement</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Anti-Bribery/Anti-Corrupt
    ion</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">IP</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Confidentiality</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accounting
    &amp; Finance</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Human
    Resources - Employee concerns, Code of Ethics</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">SFL&rsquo;s
    Site License Conditions and any requirements issued by SFL to enable it to maintain compliance with such conditions, such as requirements
    relating to site safety and security</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Corrective
    Action &amp; Human Performance</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1pt; text-indent: 0.05pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #0A0C0E"><B>SPRINGFIELDS
FUELS LTD. PROPRIETARY CLASS </B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1F2123">2</FONT></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1pt; text-indent: 0.05pt; color: #0A0C0E"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>PERMA-FIX
CONFIDENTIAL</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 17.1pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Topic</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Proposed
    Term</B></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">It
    is understood and agreed that at no time shall PF be compelled to adopt <B>[***]</B> policies and procedures as its own or otherwise
    be required to modify its policies and procedures in order to comply with the policies and procedures of <B>[***]</B> or the JV.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Exclusivity<SUP>1</SUP></B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    JV&rsquo;s exclusive rights to the use of the <B>[***]</B> treatment technology &middot;may be summarily described as follows:</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9675;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>[***]</B>;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9675;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>[***]</B>;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9675;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>[***]</B></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9675;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>[***]</B>.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    JV Agreement may set out situations which allow the Owners to pursue opportunities outside of the agreed exclusivity arrangements.
    <B>[***]</B>, subject to the provision of appropriate &ldquo;rights of first refusal&rdquo; (or other approvals}. This may be a general
    agreement or an agreement determined on a project specific basis.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>

<!-- Field: Rule-Page --><DIV STYLE="width: 40%"><DIV STYLE="font-size: 1pt; border-top: Black 1.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 10.65pt; text-align: justify; text-indent: -0.4pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><SUP>1
</SUP>Subject to review of antitrust counsel. The JV will need to be notified under merger control rules and cannot be implemented until
clearance is achieved.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 10.85pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><SUP>2
</SUP><B>[***]</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.15pt; text-indent: -0.2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507"><B>SPRING</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">F</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">IELDS
FUELS LTD</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">.</FONT></B><B> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">PROPRI</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">E</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">TARY
CLASS 2</FONT></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.15pt; text-indent: -0.2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507"><B>PERMA-FI</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">X
</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">CON</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">F</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">ID</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">E</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">NTIA</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">L</FONT></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Topic</B></FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Proposed Term</B></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>[***]</B>.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Term</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    term of the JV shall be perpetual, unless and until:</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">otherwise
    terminated in accordance with the terms of the JV Agreement; or</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">otherwise
    required by applicable law; or</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">SFL
    ceases to hold the nuclear site license in respect of the SFL Site; or</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>[***]
    </B>SFL Site and SFL&rsquo;s permitted activities are terminated or modified in a way that does not permit the implementation and
    operation of the JV as intended.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Business
    plan and budget</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    Owners shall agree and procure the adoption of a five (5) year business plan and an initial annual operating budget for the JV and
    thereafter adopt an annual operating budget for each subsequent financial year.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Each
    business plan and operating budget shall include, as a minimum:</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">the
    JV&rsquo;s overall strategy for the period covered by the business plan/budget;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">a
    marketing plan and budget for direct marketing expenses;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">details
                                            of calls for capital or extraordinary expenses, dividends</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">or
    other distributions proposed to be made to the Owners in accordance with the terms of the JV Agreement.</FONT></P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Each
    budget shall include as a minimum:</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">expected
    [monthly] income statement, balance sheet and cash flow; and</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">expected
                                            funding requirements and the proposed methods of meeting those requirements (including through
                                            funding</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">provided
    by Owners).</FONT></P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Transfers
    of Ownership</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Any
    transfer of ownership shall be subject to any required regulatory approvals.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Other
    than specific transfers as may be agreed between the Owners, no Owner may transfer any ownership interests in the JV for a period
    of 3 years from the commercial operation date of the facility.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    above notwithstanding, the Agreement shall not prohibit a transfer of ownership interest pursuant to the purchase or sale of a partner
    to a third party.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.15pt; text-indent: -0.2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507"><B>SPRING</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">F</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">IELDS
FUELS LTD</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">.</FONT></B><B> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">PROPRI</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">E</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">TARY
CLASS 2</FONT></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507"><B>PERMA-FI</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">X
</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">CON</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">F</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">ID</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">E</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">NTIA</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">L</FONT></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Topic</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Proposed
    Term</B></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Subject
    to the above principles:</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><I>Voluntary
    Transfers: </I>Transfers of ownership interests in the JV between Owners are unrestricted, as well as those between an Owner and
    certain affiliates. Each Owner shall have a Right of First Refusal <B>(&ldquo;ROFR&rdquo;) </B>over any other voluntary transfers
    to a third party, at the same price offered by such third party. If more than one Owner (the <B>&ldquo;Buying Owners&rdquo;) </B>exercise
    their ROFR, they shall each purchase ownership interests in proportion to their individual ownership percentage divided by the combined
    ownership percentage of the Buying Owners.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><I>Involuntary
    Transfers: </I>If an Owner (the <B>&ldquo;Selling Owner&rdquo;) </B>becomes insolvent or is in material breach of the JV Agreement
    or a supporting agreement that is not corrected within an agreed time, each other Owner (the <B>&ldquo;Buying Owners&rdquo;) </B>shall
    have a right to purchase the Ownership Interests of the Selling Owner. The price shall be determined by a qualified valuation firm
    selected jointly by the Owners participating in the involuntary transfer of Ownership Interests.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    JV Agreement shall address certain non-qualifying transferees to whom a transfer of ownership is not permitted (such as a competitor
    of a Party, a party subject to an insolvency event, or a party subject to sanctions or who is listed on other agreed listed maintained
    by certain government authorities).</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    JV Agreement will address customary drag along and tag along rights in the event of certain transfers of ownership.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Notwithstanding
    any transfer by PF of any or all of its interests in the JV to other Owners, affiliates or third parties, PF shall remain liable
    to continue to provide all required technical and support services as well as technology licenses and intellectual property rights
    to enable the Operator to continue to operate the facility on behalf of the JV for the life of the facility&rsquo;s operation.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Termination</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    JV Agreement shall include customary and other &ldquo;market&rdquo; provisions for addressing events such as:</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9675;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">failure
    to satisfy any initial CPs</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&#9675;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">any
    winding up of the JV in accordance with the terms of the JV Agreement or by law;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&#9675;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">written
    agreement of all Parties;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&#9675;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">the
    JV only having one Owner</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&#9675;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">SFL
    ceasing to hold a nuclear site license;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&#9675;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">termination
    of SFL&rsquo;s arrangements with the NOA (e.g., in respect of the lease for the Springfields Site);</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&#9675;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">termination
    of the Operating Agreement between SFL and the JV; and</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&#9675;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">specified
    events of default</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.15pt; text-indent: -0.2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507"><B>SPRING</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">F</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">IELDS
FUELS LTD</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">.</FONT></B><B> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">PROPRI</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">E</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">TARY
CLASS 2</FONT></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507"><B>PERMA-FI</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">X
</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">CON</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">F</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">ID</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">E</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">NTIA</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">L</FONT></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Topic</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Proposed
    </B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Term</FONT></B></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Decommissioning</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    Parties acknowledge that SFL will be subject to a decommissioning liability in respect of the facility once the facility ceases to
    be operational and that SFL as a nuclear site licensee is obligated to contribute to a decommissioning fund to cover all decommissioning
    liabilities that arise on the SFL Site.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    Owners shall agree on a decommissioning plan prior to signing the JV Agreement (and which shall be adopted by the JV) in order to
    ensure that the Owners and/or JV each contribute proportionately to the decommissioning fund to cover the decommissioning costs of
    the facility.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>General
    Warranties</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    JV Agreement will contain warranties from each of SFL and PF to include capacity, the power to enter into the transactions contemplated
    by the JV Agreement, solvency and no conflict with their respective constitutional documents.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Additional
    support by Owners</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    Owners shall enter into various additional support arrangements in respect of the facility including (but not limited to) the following:</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Each
    Owner shall enter into a marketing agreement with the JV pursuant to which marketing and other services may be provided to the JV
    from time to time.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">PF
    shall enter into a technical services agreement with the JV in order to provide technical services in respect of the operation and
    maintenance of the facility for the operating life of the facility.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">PF
    shall enter into a technology license and provide engineering, procurement, installation management, commissioning, training, and
    support services for the <B>[***] </B>technology to the JV.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">SFL
    shall enter into an operating agreement with the JV in respect of the operation of the facility.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">SFL
    and PF shall develop and agree a capex plan for all capital expenditure required in respect of the <B>[***]</B> technology/facility
    and the designated building at the SFL Site.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&#9679;</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">SFL
    and/ PF, as appropriate, shall enter into any and all arrangements as may be required in order to engineer, procure, construct, install
    and commission the <B>[***]</B> facility at the designated building at the SFL Site and to conduct any require improvement to the
    designated building at the SFL Site as appropriate to host the <B>[***]</B> facility and technology.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.15pt; text-indent: -0.2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507"><B>SPRING</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">F</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">IELDS
FUELS LTD</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">.</FONT></B><B> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">PROPRI</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">E</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">TARY
CLASS 2</FONT></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507"><B>PERMA-FI</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">X
</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">CON</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">F</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">ID</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">E</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #050507">NTIA</FONT></B><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: #1C1F21">L</FONT></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

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  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 2in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Topic</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Proposed
    Term</B></FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Governing
    law and jurisdiction</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    JV Agreement shall be governed by English law.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Dispute
    resolution</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    JV Agreement shall include an agreed dispute resolution process for resolving any disagreements among the Owners. The dispute resolution
    process shall be a combination of informal and formal dispute resolution steps.</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Confidentiality</B></FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    Parties acknowledge the existence of a confidentiality agreement entered into between the Parties and <B>[***]</B>, dated 8 August
    2020 <B>(&ldquo;Confidentiality Agreement&rdquo;).</B> As between the Owners, it is agreed that the existence of this Term Sheet
    and any Proprietary Information (as defined in the Confidentiality Agreement) disclosed pursuant to or in connection with this Term
    Sheet will be governed by the terms of the Confidentiality Agreement.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

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WITNESS WHEREOF, </B>the Parties hereto have duly executed this Term Sheet by their respective authorized representatives:</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Springfields
Fuels Limited</B></FONT></P>

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<TYPE>EX-21.1
<SEQUENCE>4
<FILENAME>ex21-1.htm
<TEXT>
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     <TITLE></TITLE>
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<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>EXHIBIT
21.1</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 10pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 10pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">LIST
OF SUBSIDIARIES OF PERMA-FIX ENVIRONMENTAL SERVICES, INC.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 10pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(THE
&ldquo;COMPANY&rdquo;)</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 10pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Treatment
</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
of Florida, Inc. (&ldquo;PFF&rdquo;), a Florida Corporation, is a 100% owned subsidiary of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Diversified
Scientific Services, Inc., (&ldquo;DSSI&rdquo;) a Tennessee Corporation, is a 100% owned subsidiary of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">East
Tennessee Materials and Energy Corporation, (&ldquo;M&amp;EC&rdquo;) a Tennessee Corporation, is a 100% owned subsidiary of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
of Northwest Richland, Inc. (&ldquo;PFNWR&rdquo;), a Washington Corporation, is a 100% owned subsidiary of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
Northwest, Inc. (&ldquo;PFNW&rdquo;), a Washington Corporation, is a 100% owned subsidiary of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Services
</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Safety
and Ecology Corporation (&ldquo;SEC&rdquo;), a Nevada corporation, is a 100% owned subsidiary of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">SEC
Radcon Alliance, LLC (&ldquo;SECRA&rdquo;), a Tennessee corporation, is a 100% owned subsidiary of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
Environmental Services UK Limited, a United Kingdom corporation, is a 100% owned subsidiary of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Safety
and Ecology Holdings Corporation (&ldquo;SEHC&rdquo;), a Nevada corporation, is a 100% owned subsidiary of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">SEC
Federal Services Corporation, a Nevada corporation, is a 100% owned subsidiary of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
of Canada, a Canadian corporation, is a 100% owned subsidiary of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Medical</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
Medical LLC, is a 100% owned subsidiary of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Discontinued
Operations</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
of South Georgia, Inc. (&ldquo;PFSG&rdquo;), a Georgia Corporation, is a 100% owned subsidiary of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
of Michigan, Inc. (&ldquo;PFMI&rdquo;), a Michigan Corporation, is a 100% owned subsidiary of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
of Memphis, Inc. (&ldquo;PFM&rdquo;), a Tennessee Corporation, is a 100% owned subsidiary of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
of Dayton, Inc. (&ldquo;PFD&rdquo;), an Ohio Corporation, is a 100% owned subsidiary of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
Treatment Services, Inc. (&ldquo;PFTS&rdquo;), an Oklahoma Corporation, is a 100% owned subsidiary of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
of Orlando, Inc. (&ldquo;PFO&rdquo;), a Florida Corporation, is a 100% owned subsidiary of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
of Maryland, Inc. (&ldquo;PFMD&rdquo;), a Maryland Corporation, is a 100% owned subsidiary of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
of Pittsburgh, Inc. (&ldquo;PFP), a Maryland Corporation, is a 100% owned subsidiary of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>


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<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>5
<FILENAME>ex23-1.htm
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="text-align: right; font: 10pt Times New Roman, Times, Serif; margin: 0pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Exhibit
23.1</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>CONSENT
OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B></B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
have issued our reports dated April 6, 2022, with respect to the consolidated financial statements and internal control over financial
reporting included in the Annual Report of Perma-Fix Environmental Services, Inc. on Form 10-K for the year ended December 31, 2021.
We consent to the incorporation by reference of said reports in the Registration Statements of Perma-Fix Environmental Services, Inc.
on Forms S-3 (File No. 333-231429) and Forms S-8 (File No. 333-254907, File No. 333-223917, File No. 333-203137, File No. 333-153086,
and File No. 333-110995).</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
</FONT>GRANT THORNTON LLP</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Atlanta,
Georgia</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify">April 6, 2022</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

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<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>6
<FILENAME>ex31-1.htm
<TEXT>
<HTML>
<HEAD>
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</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>EXHIBIT
31.1</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B><U>CERTIFICATIONS</U></B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">I,
    Mark Duff, certify that:</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.</FONT></P></TD>
    <TD COLSPAN="2" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">I
    have reviewed this annual report on Form 10-K of Perma-Fix Environmental Services, Inc.;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.</FONT></P></TD>
    <TD COLSPAN="2" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Based
    on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary
    to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to
    the period covered by this report; </FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3.</FONT></P></TD>
    <TD COLSPAN="2" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Based
    on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material
    respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in
    this report; </FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.</FONT></P></TD>
    <TD COLSPAN="2" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    registrant&rsquo;s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures
    (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange
    Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; width: 0.25in"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">a)</FONT></P></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Designed
    such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision,
    to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others
    within those entities, particularly during the period in which this report is being prepared;</FONT></P></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">b)</FONT></P></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Designed
    such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our
    supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements
    for external purposes in accordance with generally accepted accounting principles;</FONT></P></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">c)</FONT></P></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Evaluated
    the effectiveness of the registrant&rsquo;s disclosure controls and procedures and presented in this report our conclusions about
    the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation;
    and</FONT></P></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">d)</FONT></P></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Disclosed
    in this report any change in the registrant&rsquo;s internal control over financial reporting that occurred during the registrant&rsquo;s
    most recent fiscal quarter (the registrant&rsquo;s fourth fiscal quarter in the case of an annual report) that has materially affected,
    or is reasonably likely to materially affect, the registrant&rsquo;s internal control over financial reporting; and</FONT></P></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">5.</FONT></P></TD>
    <TD COLSPAN="2" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    registrant&rsquo;s other certifying officer and I have disclosed, based on our most recent evaluation of the internal control over
    financial reporting, to the registrant&rsquo;s auditors and the audit committee of registrant&rsquo;s board of directors (or persons
    performing the equivalent functions):</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">a)</FONT></P></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">All
    significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are
    reasonably likely to adversely affect the registrant&rsquo;s ability to record, process, summarize and report financial information;
    and</FONT></P></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">b)</FONT></P></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Any
    fraud, whether or not material, that involves management or other employees who have a significant role in the registrant&rsquo;s
    internal control over financial reporting.</FONT></P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

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    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 5%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Date:</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 45%">April 6, 2022</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 50%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD COLSPAN="2" STYLE="border-bottom: Black 1.5pt solid; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><I>/s/
    Mark Duff</I></FONT></TD>
    <TD STYLE="padding-bottom: 1.5pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Mark Duff</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Chief Executive Officer, President<BR> and Principal Executive Officer</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  </TABLE>
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<TYPE>EX-31.2
<SEQUENCE>7
<FILENAME>ex31-2.htm
<TEXT>
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<HEAD>
     <TITLE></TITLE>
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<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>EXHIBIT
31.2</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B><U>CERTIFICATIONS</U></B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD COLSPAN="4" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">I,
    Ben Naccarato, certify that:</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD COLSPAN="4" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.</FONT></P></TD>
    <TD COLSPAN="2" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">I
    have reviewed this annual report on Form 10-K of Perma-Fix Environmental Services, Inc.;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.</FONT></P></TD>
    <TD COLSPAN="2" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Based
    on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary
    to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to
    the period covered by this report;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3.</FONT></P></TD>
    <TD COLSPAN="2" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Based
    on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material
    respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in
    this report;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.</FONT></P></TD>
    <TD COLSPAN="2" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    registrant&rsquo;s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures
    (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange
    Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; width: 0.25in"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; width: 0.25in">a)</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Designed
    such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision,
    to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others
    within those entities, particularly during the period in which this report is being prepared;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">b)</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Designed
    such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our
    supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements
    for external purposes in accordance with generally accepted accounting principles;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">c)</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Evaluated
    the effectiveness of the registrant&rsquo;s disclosure controls and procedures and presented in this report our conclusions about
    the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation;
    and</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">d)</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Disclosed
    in this report any change in the registrant&rsquo;s internal control over financial reporting that occurred during the registrant&rsquo;s
    most recent fiscal quarter (the registrant&rsquo;s fourth fiscal quarter in the case of an annual report) that has materially affected,
    or is reasonably likely to materially affect, the registrant&rsquo;s internal control over financial reporting; and</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">5.</FONT></P></TD>
    <TD COLSPAN="2" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    registrant&rsquo;s other certifying officer and I have disclosed, based on our most recent evaluation of the internal control over
    financial reporting, to the registrant&rsquo;s auditors and the audit committee of registrant&rsquo;s board of directors (or persons
    performing the equivalent functions):</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">a)</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">All
    significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are
    reasonably likely to adversely affect the registrant&rsquo;s ability to record, process, summarize and report financial information;
    and</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
    <P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P></TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif">b)</TD>
    <TD STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Any
    fraud, whether or not material, that involves management or other employees who have a significant role in the registrant&rsquo;s
    internal control over financial reporting.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 5%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Date:</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 45%">April 6, 2022</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 50%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD COLSPAN="2" STYLE="border-bottom: Black 1.5pt solid; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><I>/s/
    Ben Naccarato</I></FONT></TD>
    <TD STYLE="padding-bottom: 1.5pt; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Ben Naccarato</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Chief Financial Officer and<BR>
 Principal Financial Officer</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 5.4pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 5.4pt"></P>

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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>8
<FILENAME>ex32-1.htm
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>EXHIBIT
32.1</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>CERTIFICATION
PURSUANT TO<BR>
18 U.S.C. SECTION 1350,<BR>
AS ADOPTED PURSUANT TO SECTION 906<BR>
OF THE SARBANES-OXLEY ACT OF 2002</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; height: 4pt; margin-bottom: 0pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 0.5in; margin: 0pt 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
connection with the Annual Report of Perma-Fix Environmental Services, Inc. (&ldquo;PESI&rdquo;) on Form 10-K for the year ended December
31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the &ldquo;Form 10-K&rdquo;), I, Mark Duff, Chief Executive
Officer of the Company, certify, pursuant to 18 U.S.C. &sect;1350, as adopted pursuant to &sect;906 of the Sarbanes-Oxley Act of 2002,
that:</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; height: 4pt; margin-bottom: 0pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify; margin: 0pt 0 0pt 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(1)
The Form 10-K fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. &sect;78m
or &sect;78o(d)); and</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; height: 4pt; margin-bottom: 0pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify; margin: 0pt 0 0pt 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(2)
The information contained in the Form 10-K fairly presents, in all material respects, the financial condition and results of operations
of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 5%">Dated:</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 45%">April 6, 2022</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 50%">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD COLSPAN="2" STYLE="border-bottom: Black 1.5pt solid; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><I>/s/
    Mark Duff</I></FONT></TD>
    <TD STYLE="padding-bottom: 1.5pt; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-bottom: 1.5pt; font: 10pt Times New Roman, Times, Serif">Mark Duff<BR>
Chief Executive Officer, President and</TD>
    <TD STYLE="padding-bottom: 1.5pt; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Principal
Executive Officer</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  </TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">This
certification is furnished to the Securities and Exchange Commission solely for purpose of 18 U.S.C. &sect;1350 subject to the knowledge
standard contained therein, and not for any other purpose.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>


</BODY>
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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.2
<SEQUENCE>9
<FILENAME>ex32-2.htm
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>EXHIBIT
32.2</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>CERTIFICATION
PURSUANT TO<BR>
18 U.S.C. SECTION 1350,<BR>
AS ADOPTED PURSUANT TO SECTION 906<BR>
OF THE SARBANES-OXLEY ACT OF 2002</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; height: 4pt; margin-bottom: 0pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
connection with the Annual Report of Perma-Fix Environmental Services, Inc. (&ldquo;PESI&rdquo;) on Form 10-K for the year ended December
31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the &ldquo;Form 10-K&rdquo;), I, Ben Naccarato, Chief
Financial Officer of the Company, certify, pursuant to 18 U.S.C. &sect;1350, as adopted pursuant to &sect;906 of the Sarbanes-Oxley Act
of 2002, that:</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; height: 4pt; margin-bottom: 0pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: justify; margin: 0pt 0 0pt 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(1)
The Form 10-K fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. &sect;78m
or &sect;78o(d)); and</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; height: 4pt; margin-bottom: 0pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="text-align: justify; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(2)
The information contained in the Form 10-K fairly presents, in all material respects, the financial condition and results of operations
of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 5%">Dated:</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 45%">April 6, 2022</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 50%">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD COLSPAN="2" STYLE="border-bottom: Black 1.5pt solid; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><I>/s/
    Ben Naccarato</I></FONT></TD>
    <TD STYLE="padding-bottom: 1.5pt; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-bottom: 1.5pt; font: 10pt Times New Roman, Times, Serif">Ben Naccarato</TD>
    <TD STYLE="padding-bottom: 1.5pt; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif">Chief Financial Officer and <BR>
Principal Financial Officer</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  </TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">This
certification is furnished to the Securities and Exchange Commission solely for purpose of 18 U.S.C. &sect;1350 subject to the knowledge
standard contained therein, and not for any other purpose.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>


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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>ex10-42_001.jpg
<TEXT>
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	  <link:definition>00000057 - Disclosure - SCHEDULE OF SHARE-BASED PAYMENT AWARD, STOCK OPTIONS, VALUATION ASSUMPTIONS (Details)</link:definition>
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	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/ScheduleOfStockOptionsRollForwardDetailsParanthetical" id="ScheduleOfStockOptionsRollForwardDetailsParanthetical">
	  <link:definition>00000060 - Disclosure - SCHEDULE OF STOCK OPTIONS ROLL FORWARD (Details) (Paranthetical)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/ScheduleOfNonVestedOptionsDetails" id="ScheduleOfNonVestedOptionsDetails">
	  <link:definition>00000061 - Disclosure - SCHEDULE OF NON VESTED OPTIONS (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
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	<link:roleType roleURI="http://perma-fix.com/role/CapitalStockStockPlansWarrantsAndStockBasedCompensationDetailsNarrative" id="CapitalStockStockPlansWarrantsAndStockBasedCompensationDetailsNarrative">
	  <link:definition>00000062 - Disclosure - CAPITAL STOCK, STOCK PLANS, WARRANTS AND STOCK BASED COMPENSATION (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/CommonStockSubscriptionAgreementDetailsNarrative" id="CommonStockSubscriptionAgreementDetailsNarrative">
	  <link:definition>00000063 - Disclosure - COMMON STOCK SUBSCRIPTION AGREEMENT (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/ScheduleOfEarningsPerShareBasicAndDilutedDetails" id="ScheduleOfEarningsPerShareBasicAndDilutedDetails">
	  <link:definition>00000064 - Disclosure - SCHEDULE OF EARNINGS PER SHARE, BASIC AND DILUTED (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/ScheduleOfDisposalGroupsIncludingDiscontinuedOperationBalanceSheetDetails" id="ScheduleOfDisposalGroupsIncludingDiscontinuedOperationBalanceSheetDetails">
	  <link:definition>00000065 - Disclosure - SCHEDULE OF DISPOSAL GROUPS, INCLUDING DISCONTINUED OPERATION BALANCE SHEET (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/DiscontinuedOperationsDetailsParanthetical" id="DiscontinuedOperationsDetailsParanthetical">
	  <link:definition>00000066 - Disclosure - DISCONTINUED OPERATIONS (Details) (Paranthetical)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/ScheduleOfCurrentAndLongTermAccruedEnvironmentalLiabilityDetails" id="ScheduleOfCurrentAndLongTermAccruedEnvironmentalLiabilityDetails">
	  <link:definition>00000067 - Disclosure - SCHEDULE OF CURRENT AND LONG TERM ACCRUED ENVIRONMENTAL LIABILITY (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/DiscontinuedOperationsDetailsNarrative" id="DiscontinuedOperationsDetailsNarrative">
	  <link:definition>00000068 - Disclosure - DISCONTINUED OPERATIONS (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/ScheduleOfLongTermDebtDetails" id="ScheduleOfLongTermDebtDetails">
	  <link:definition>00000069 - Disclosure - SCHEDULE OF LONG TERM DEBT (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/ScheduleOfLongTermDebtDetailsParanthetical" id="ScheduleOfLongTermDebtDetailsParanthetical">
	  <link:definition>00000070 - Disclosure - SCHEDULE OF LONG TERM DEBT (Details) (Paranthetical)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/ScheduleOfMaturitiesOfLong-termDebtDetails" id="ScheduleOfMaturitiesOfLong-termDebtDetails">
	  <link:definition>00000071 - Disclosure - SCHEDULE OF MATURITIES OF LONG-TERM DEBT (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/Long-termDebtDetailsNarrative" id="Long-termDebtDetailsNarrative">
	  <link:definition>00000072 - Disclosure - LONG-TERM DEBT (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/ScheduleOfAccruedExpensesDetails" id="ScheduleOfAccruedExpensesDetails">
	  <link:definition>00000073 - Disclosure -  SCHEDULE OF ACCRUED EXPENSES (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/AccruedExpensesDetailsNarrative" id="AccruedExpensesDetailsNarrative">
	  <link:definition>00000074 - Disclosure - ACCRUED EXPENSES (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/ScheduleOfChangeInAssetRetirementObligationDetails" id="ScheduleOfChangeInAssetRetirementObligationDetails">
	  <link:definition>00000075 - Disclosure - SCHEDULE OF CHANGE IN ASSET RETIREMENT OBLIGATION (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/ScheduleOfAssetRetirementObligationsDetails" id="ScheduleOfAssetRetirementObligationsDetails">
	  <link:definition>00000076 - Disclosure - SCHEDULE OF ASSET RETIREMENT OBLIGATIONS (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/AccruedClosureCostsAndAroDetailsNarrative" id="AccruedClosureCostsAndAroDetailsNarrative">
	  <link:definition>00000077 - Disclosure - ACCRUED CLOSURE COSTS AND ARO (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/ScheduleOfIncomeLossBeforeIncomeTaxBenefitExpenseDetails" id="ScheduleOfIncomeLossBeforeIncomeTaxBenefitExpenseDetails">
	  <link:definition>00000078 - Disclosure - SCHEDULE OF INCOME (LOSS) BEFORE INCOME TAX (BENEFIT) EXPENSE (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/ScheduleOfComponentsOfIncomeTaxBenefitExpenseDetails" id="ScheduleOfComponentsOfIncomeTaxBenefitExpenseDetails">
	  <link:definition>00000079 - Disclosure - SCHEDULE OF COMPONENTS OF INCOME TAX (BENEFIT) EXPENSE (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/ScheduleOfEffectiveIncomeTaxRateReconciliationDetails" id="ScheduleOfEffectiveIncomeTaxRateReconciliationDetails">
	  <link:definition>00000080 - Disclosure - SCHEDULE OF EFFECTIVE INCOME TAX RATE RECONCILIATION (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/ScheduleOfDeferredTaxAssetsAndLiabilitiesDetails" id="ScheduleOfDeferredTaxAssetsAndLiabilitiesDetails">
	  <link:definition>00000081 - Disclosure - SCHEDULE OF DEFERRED TAX ASSETS AND LIABILITIES (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/IncomeTaxesDetailsNarrative" id="IncomeTaxesDetailsNarrative">
	  <link:definition>00000082 - Disclosure - INCOME TAXES (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/ScheduleOfLossOnDeconsolidationDetails" id="ScheduleOfLossOnDeconsolidationDetails">
	  <link:definition>00000083 - Disclosure - SCHEDULE OF LOSS ON DECONSOLIDATION (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
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	<link:roleType roleURI="http://perma-fix.com/role/PfMedicalDetailsNarrative" id="PfMedicalDetailsNarrative">
	  <link:definition>00000084 - Disclosure - PF MEDICAL (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
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	<link:roleType roleURI="http://perma-fix.com/role/CommitmentsAndContingenciesDetailsNarrative" id="CommitmentsAndContingenciesDetailsNarrative">
	  <link:definition>00000085 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/ProfitSharingPlanDetailsNarrative" id="ProfitSharingPlanDetailsNarrative">
	  <link:definition>00000086 - Disclosure - PROFIT SHARING PLAN (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/RelatedPartyTransactionsDetailsNarrative" id="RelatedPartyTransactionsDetailsNarrative">
	  <link:definition>00000087 - Disclosure - RELATED PARTY TRANSACTIONS (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/ScheduleOfSegmentReportingInformationDetails" id="ScheduleOfSegmentReportingInformationDetails">
	  <link:definition>00000088 - Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/ScheduleOfSegmentReportingInformationDetailsParanthetical" id="ScheduleOfSegmentReportingInformationDetailsParanthetical">
	  <link:definition>00000089 - Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details) (Paranthetical)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/ScheduleOfRevenueByMajorCustomersByReportingSegmentsDetails" id="ScheduleOfRevenueByMajorCustomersByReportingSegmentsDetails">
	  <link:definition>00000090 - Disclosure - SCHEDULE OF REVENUE BY MAJOR CUSTOMERS BY REPORTING SEGMENTS (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
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	<link:roleType roleURI="http://perma-fix.com/role/ScheduleOfRevenueBasedOnCustomerLocationDetails" id="ScheduleOfRevenueBasedOnCustomerLocationDetails">
	  <link:definition>00000091 - Disclosure - SCHEDULE OF REVENUE BASED ON CUSTOMER LOCATION (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
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	<link:roleType roleURI="http://perma-fix.com/role/SegmentReportingDetailsNarrative" id="SegmentReportingDetailsNarrative">
	  <link:definition>00000092 - Disclosure - SEGMENT REPORTING (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/DeferralOfEmploymentTaxDepositsDetailsNarrative" id="DeferralOfEmploymentTaxDepositsDetailsNarrative">
	  <link:definition>00000093 - Disclosure - DEFERRAL OF EMPLOYMENT TAX DEPOSITS (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/VariableInterestEntitiesVieDetailsNarrative" id="VariableInterestEntitiesVieDetailsNarrative">
	  <link:definition>00000094 - Disclosure - VARIABLE INTEREST ENTITIES (&#8220;VIE&#8221;) (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://perma-fix.com/role/SubsequentEventsDetailsNarrative" id="SubsequentEventsDetailsNarrative">
	  <link:definition>00000095 - Disclosure - SUBSEQUENT EVENTS (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
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	<link:linkbaseRef xlink:type="simple" xlink:href="pesi-20211231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Presentation Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="pesi-20211231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="pesi-20211231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Calculation Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="pesi-20211231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Definition Links" />
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    <element id="PESI_SoftwareMember" name="SoftwareMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
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    <element id="PESI_ElectionMember" name="ElectionMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ReelectionMember" name="ReelectionMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_TwoThousandThreeOutsideDirectorsStockPlanMember" name="TwoThousandThreeOutsideDirectorsStockPlanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_TwoThousandAndSeventeenStockOptionPlanMember" name="TwoThousandAndSeventeenStockOptionPlanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_OfficersAndEmployeesMember" name="OfficersAndEmployeesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_TwoThousandTenStockOptionPlanMember" name="TwoThousandTenStockOptionPlanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_TwoThousandSeventeenStockPlanMember" name="TwoThousandSeventeenStockPlanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_IncentiveStockOptionAgreementMember" name="IncentiveStockOptionAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_EVPOfStrategicInitiativesMember" name="EVPOfStrategicInitiativesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_EVPofWasteTreatmentOperationsMember" name="EVPofWasteTreatmentOperationsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_EVPofNuclearandTechnicalServicesMember" name="EVPofNuclearandTechnicalServicesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_TwoThousandAndThreePlanMember" name="TwoThousandAndThreePlanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_NonQualifiedStockOptionsMember" name="NonQualifiedStockOptionsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_TwoThousandSeventeenStockOptionPlanMember" name="TwoThousandSeventeenStockOptionPlanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_FirstSeparateOptionsMember" name="FirstSeparateOptionsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_SecondSeparateOptionsMember" name="SecondSeparateOptionsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_EmployeeAndDirectorsMember" name="EmployeeAndDirectorsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ConsultantMember" name="ConsultantMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_FergusonStockOptionMember" name="FergusonStockOptionMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_SecondMilestoneMember" name="SecondMilestoneMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ThirdMilestoneMember" name="ThirdMilestoneMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_RobertFergusonMember" name="RobertFergusonMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_TwoThousandThreeOutsideDirectorsStockOptionPlanMember" name="TwoThousandThreeOutsideDirectorsStockOptionPlanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PortionOfDirectorFeeEarnedInCommonStockMember" name="PortionOfDirectorFeeEarnedInCommonStockMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_The2003OutsideDirectorsStockPlanMember" name="The2003OutsideDirectorsStockPlanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_SubscriptionAgreementsMember" name="SubscriptionAgreementsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_EmployeeStockOptionGrantedMember" name="EmployeeStockOptionGrantedMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_OutsideDirectorStockOptionsGrantedMember" name="OutsideDirectorStockOptionsGrantedMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DirectorStockOptionsMember" name="DirectorStockOptionsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_StockOptionOutstandingMember" name="StockOptionOutstandingMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_StockOptionExercisableMember" name="StockOptionExercisableMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PlacementAgencyAgreementMember" name="PlacementAgencyAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_WellingtonShieldsandCoMember" name="WellingtonShieldsandCoMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PermaFixOfMemphisIncMember" name="PermaFixOfMemphisIncMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PFDMember" name="PFDMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PFMMember" name="PFMMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PFSGMember" name="PFSGMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_RevolvingCreditMember" name="RevolvingCreditMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_TermLoanMember" name="TermLoanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_RelatedPartyPromissoryNoteOneMember" name="RelatedPartyPromissoryNoteOneMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_NotePayableMember" name="NotePayableMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_NotePayableOneMember" name="NotePayableOneMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_RevisedLoanAgreementMember" name="RevisedLoanAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PNCBankMember" name="PNCBankMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PaycheckProtectionProgramMember" name="PaycheckProtectionProgramMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_LoanAgreementMember" name="LoanAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_LeanderMember" name="LeanderMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_CapitalExpenditureMember" name="CapitalExpenditureMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PaycheckProtectionProgramLoanMember" name="PaycheckProtectionProgramLoanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_LenderMember" name="LenderMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_TwoThousandTwentyManagementIncentivePlanMember" name="TwoThousandTwentyManagementIncentivePlanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_CanadianNuclearLaboratoriesLTDMember" name="CanadianNuclearLaboratoriesLTDMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_AmericanInternationalGroupIncMember" name="AmericanInternationalGroupIncMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ThousandandThreeClosurePolicyMember" name="ThousandandThreeClosurePolicyMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_VicePresidentOfInformationSystemsMember" name="VicePresidentOfInformationSystemsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DrDavidCentofantiMember" name="DrDavidCentofantiMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_CEOMember" name="CEOMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ExecutiveVicePresidentOfStrategicInitiativesMember" name="ExecutiveVicePresidentOfStrategicInitiativesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember" name="ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ExecutiveVicePresidentOfWasteTreatmentOperationsMember" name="ExecutiveVicePresidentOfWasteTreatmentOperationsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_RevisedMember" name="RevisedMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PriorToRevisionMember" name="PriorToRevisionMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ChairmanOfTheBoardMember" name="ChairmanOfTheBoardMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ChairmanOfTheAuditCommitteeMember" name="ChairmanOfTheAuditCommitteeMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ChairmanOfCompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember" name="ChairmanOfCompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_AuditCommitteeMemberMember" name="AuditCommitteeMemberMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_CompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember" name="CompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_NonEmployeeBoardMemberMember" name="NonEmployeeBoardMemberMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_NonEmployeeDirectorMember" name="NonEmployeeDirectorMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_MedicalMember" name="MedicalMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_SegmentsTotalMember" name="SegmentsTotalMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DomesticAndForeignGovernmentMember" name="DomesticAndForeignGovernmentMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DecemberThirtyOneTwoThousandAndTwentyOneMember" name="DecemberThirtyOneTwoThousandAndTwentyOneMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DeferralofEmploymentTaxDepositsMember" name="DeferralofEmploymentTaxDepositsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DecemberThirtyOneTwoThousandAndTwentyTwoMember" name="DecemberThirtyOneTwoThousandAndTwentyTwoMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_EngineeringRemediationResourcesGroupIncMember" name="EngineeringRemediationResourcesGroupIncMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PermaFixERRGMember" name="PermaFixERRGMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent" name="AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_BuildingsAndLand" name="BuildingsAndLand" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_Vehicles" name="Vehicles" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentIncludingNotHeldForSale" name="DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentIncludingNotHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_Permits" name="Permits" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DisposalTransportationAccrual" name="DisposalTransportationAccrual" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent" name="LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleNoncurrent" name="LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ForeignCurrencyTranslationReclassToLossOnDeconsolidationOfSubsidiary" name="ForeignCurrencyTranslationReclassToLossOnDeconsolidationOfSubsidiary" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_InterestOnFinanceLeaseWithPurchaseOption" name="InterestOnFinanceLeaseWithPurchaseOption" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ProvisionForRecoveryOfBadDebtReserves" name="ProvisionForRecoveryOfBadDebtReserves" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_IncreaseDecreaseInUnbilledReceivable" name="IncreaseDecreaseInUnbilledReceivable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_IncreaseDecreaseInAccountsPayableAccruedExpensesAndUnearnedRevenue" name="IncreaseDecreaseInAccountsPayableAccruedExpensesAndUnearnedRevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_EquipmentPurchaseSubjectToFinanceLease" name="EquipmentPurchaseSubjectToFinanceLease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_EquipmentPurchaseSubjectToFinancing" name="EquipmentPurchaseSubjectToFinancing" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DisclosureLeasesAbstract" name="DisclosureLeasesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_LesseeOperatingAndFinanceLeasesTextBlock" name="LesseeOperatingAndFinanceLeasesTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DisclosurePfMedicalAbstract" name="DisclosurePfMedicalAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PFMedicalTextBlock" name="PFMedicalTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DisclosureDeferralOfEmploymentTaxDepositsAbstract" name="DisclosureDeferralOfEmploymentTaxDepositsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DeferralOfEmploymentTaxDepositsTextBlock" name="DeferralOfEmploymentTaxDepositsTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_NewAccountingPronouncementsNotYetAdoptedPolicyPolicyTextBlock" name="NewAccountingPronouncementsNotYetAdoptedPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ScheduleOfWeightedAverageLeaseTableTextBlock" name="ScheduleOfWeightedAverageLeaseTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock" name="OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ScheduleOfSupplementalCashFlowAndOtherInformationRelatedToLeasesTableTextBlock" name="ScheduleOfSupplementalCashFlowAndOtherInformationRelatedToLeasesTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ScheduleOfNonVestedOptionsTableTextBlock" name="ScheduleOfNonVestedOptionsTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DisposalGroupsIncludingDiscontinuedOperationBalanceSheetTableTextBlock" name="DisposalGroupsIncludingDiscontinuedOperationBalanceSheetTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ScheduleOfAssetRetirementObligationTableTextBlock" name="ScheduleOfAssetRetirementObligationTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ScheduleOfLossOnDeconsolidationTableTextBlock" name="ScheduleOfLossOnDeconsolidationTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_SalesOfInterestPercentage" name="SalesOfInterestPercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesProvision" name="AllowanceForDoubtfulAccountsReceivableRecoveriesProvision" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff" name="AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_FixedAssetsOfFinanceLease" name="FixedAssetsOfFinanceLease" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PercentageOfRevenueRecognized" name="PercentageOfRevenueRecognized" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ChangesInAccountReceivablesNetOfAllowancePercentage" name="ChangesInAccountReceivablesNetOfAllowancePercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ChangeInUnbilledReceivablesCurrentPercentage" name="ChangeInUnbilledReceivablesCurrentPercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ChangesInDeferredRevenuePercentage" name="ChangesInDeferredRevenuePercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_FinanceLease" name="FinanceLease" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ReductionToRightOfUseAssetsForFinanceLeaseLiability" name="ReductionToRightOfUseAssetsForFinanceLeaseLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PermitInProgress" name="PermitInProgress" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PermitRenewal" name="PermitRenewal" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PercentageOfDirectorsFeesDescription" name="PercentageOfDirectorsFeesDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_WeightedAverageTermForUnrecognizedAndUnvestedOptionToBeRecognized" name="WeightedAverageTermForUnrecognizedAndUnvestedOptionToBeRecognized" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_OptionsToPurchaseSharesOfCommonStock" name="OptionsToPurchaseSharesOfCommonStock" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_WarrantExercisableDescription" name="WarrantExercisableDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_CashFee" name="CashFee" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PaymentsToOffering" name="PaymentsToOffering" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_OfferingCostThreshold" name="OfferingCostThreshold" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_OfferingCostPaid" name="OfferingCostPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_AntidilutiveSecuritiesOfWarrantsExcludedFromComputationOfEarningsPerShareAmount" name="AntidilutiveSecuritiesOfWarrantsExcludedFromComputationOfEarningsPerShareAmount" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale" name="DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale" name="AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent" name="DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent" name="DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale" name="DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale" name="DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities" name="DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities" name="DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale" name="LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale" name="LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities" name="LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale" name="LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale" name="LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_EligibleExpensesUnderPPPLoan" name="EligibleExpensesUnderPPPLoan" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_InterestForgiveness" name="InterestForgiveness" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_AdditionToClosureLiability" name="AdditionToClosureLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_ClosureAndPostClosureAssets" name="ClosureAndPostClosureAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_AmortizationOfClosureAndPostClosureAsset" name="AmortizationOfClosureAndPostClosureAsset" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_AdditionToClosureAndPostClosureAsset" name="AdditionToClosureAndPostClosureAsset" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_IncomeTaxReconciliationChangeInDeferredTaxAssets" name="IncomeTaxReconciliationChangeInDeferredTaxAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PppLoanForgiveness" name="PppLoanForgiveness" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DebtForgivenessPFMPoland" name="DebtForgivenessPFMPoland" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_TrueupOfDeferredTaxItems" name="TrueupOfDeferredTaxItems" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DeferredTaxAssetsLeaseLiability" name="DeferredTaxAssetsLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_CapitalLossCarryforward" name="CapitalLossCarryforward" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_IndefiniteLivedIntangibleAssets" name="IndefiniteLivedIntangibleAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DeferredTaxLiabilitiesRightofuseLeaseAsset" name="DeferredTaxLiabilitiesRightofuseLeaseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DeferredTaxLiabilitiesAdjustment" name="DeferredTaxLiabilitiesAdjustment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DeferredTaxAssetsLiabilities" name="DeferredTaxAssetsLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DecommissioningValue" name="DecommissioningValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_IncomeTaxExpirationDescription" name="IncomeTaxExpirationDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_NoteReceivableConsiderationReceived" name="NoteReceivableConsiderationReceived" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_CarryingAmountOfNoncontrollingInterest" name="CarryingAmountOfNoncontrollingInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_CarryingAmountOfAccumulatedOtherComprehensiveLoss" name="CarryingAmountOfAccumulatedOtherComprehensiveLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_NetLiabilities" name="NetLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_TransactionCosts" name="TransactionCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_AcquiredPrice" name="AcquiredPrice" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_SelfinsuredRetention" name="SelfinsuredRetention" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_UnpaidReceivablesAndUnbilledCosts" name="UnpaidReceivablesAndUnbilledCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_BondSecuringAmount" name="BondSecuringAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PeriodOfFiniteRiskInsurancePolicy" name="PeriodOfFiniteRiskInsurancePolicy" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_MaximumAllowableCoverageOfInsurancePolicy" name="MaximumAllowableCoverageOfInsurancePolicy" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_CoverageAmountUnderPolicy" name="CoverageAmountUnderPolicy" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_InsurersObligationToEntityOnTerminationOfContract" name="InsurersObligationToEntityOnTerminationOfContract" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_BondOutstanding" name="BondOutstanding" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_MinimumAgeForFullTimeEmployeesToParticipateInPlan" name="MinimumAgeForFullTimeEmployeesToParticipateInPlan" nillable="true" xbrli:periodType="duration" type="xbrli:integerItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_NumberOfQuarterlyOpenPeriodsForEnrollment" name="NumberOfQuarterlyOpenPeriodsForEnrollment" nillable="true" xbrli:periodType="duration" type="xbrli:integerItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_DefinedContributionPlanEmployersContributionVestingPeriod" name="DefinedContributionPlanEmployersContributionVestingPeriod" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage" name="CompensationArrangementWithIndividualCashAwardsMinimumPercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage" name="CompensationArrangementWithIndividualCashAwardsMaximumPercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount" name="CompensationArrangementWithIndividualCashAwardsMinimumAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount" name="CompensationArrangementWithIndividualCashAwardsMaximumAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_QuarterlyFee" name="QuarterlyFee" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_BoardChairmanCommitteeFees" name="BoardChairmanCommitteeFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_AuditCommitteeMemberFees" name="AuditCommitteeMemberFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_CommitteeMemberFees" name="CommitteeMemberFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_BoardMeetingAttendanceDescription" name="BoardMeetingAttendanceDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
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    <element id="PESI_IntercompanyRevenues" name="IntercompanyRevenues" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale" name="AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_FinancedPortionAmountInPurchaseOfCapitalExpenditure" name="FinancedPortionAmountInPurchaseOfCapitalExpenditure" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_SalePercentage" name="SalePercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PercentageOfSocialSecurityTaxesDeferredPayable" name="PercentageOfSocialSecurityTaxesDeferredPayable" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_SocialSecurityTaxesAmountPayable" name="SocialSecurityTaxesAmountPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PaymentOfSocialSecurityTaxesAmount" name="PaymentOfSocialSecurityTaxesAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_RemainingPaymentOfSocialSecurityTaxesAmount" name="RemainingPaymentOfSocialSecurityTaxesAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_PercentageIncreaseInAnnualCompensation" name="PercentageIncreaseInAnnualCompensation" nillable="true" xbrli:periodType="duration" type="xbrli:pureItemType" substitutionGroup="xbrli:item" />
    <element id="PESI_AdjustmentToAdditionalPaidInCapitalDeconsolidationOfSubsidiary" name="AdjustmentToAdditionalPaidInCapitalDeconsolidationOfSubsidiary" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
</schema>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.CAL
<SEQUENCE>13
<FILENAME>pesi-20211231_cal.xml
<DESCRIPTION>INLINE XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT
<TEXT>
<XBRL>
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    <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" />
    <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" />
    <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" />
    <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" />
    <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" roleURI="http://www.xbrl.org/2009/role/netLabel" />
    <link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_StatementEquityComponentsAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xml:lang="en-US">Equity Components [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockMember" xlink:to="us-gaap_CommonStockMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockMember_lbl" xml:lang="en-US">Common Stock [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="us-gaap_AdditionalPaidInCapitalMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapitalMember" xlink:to="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xml:lang="en-US">Additional Paid-in Capital [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_CommonStockHeldInTreasuryMember" xlink:label="PESI_CommonStockHeldInTreasuryMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CommonStockHeldInTreasuryMember" xlink:to="PESI_CommonStockHeldInTreasuryMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_CommonStockHeldInTreasuryMember_lbl" xml:lang="en-US">Common Stock Held In Treasury [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xml:lang="en-US">AOCI Attributable to Parent [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_NoncontrollingInterestInSubsidiaryMember" xlink:label="PESI_NoncontrollingInterestInSubsidiaryMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_NoncontrollingInterestInSubsidiaryMember" xlink:to="PESI_NoncontrollingInterestInSubsidiaryMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_NoncontrollingInterestInSubsidiaryMember_lbl" xml:lang="en-US">Noncontrolling Interest In Subsidiary [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="us-gaap_RetainedEarningsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsMember" xlink:to="us-gaap_RetainedEarningsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsMember_lbl" xml:lang="en-US">Retained Earnings [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="us-gaap_TypeOfArrangementAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TypeOfArrangementAxis" xlink:to="us-gaap_TypeOfArrangementAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TypeOfArrangementAxis_lbl" xml:lang="en-US">Collaborative Arrangement and Arrangement Other than Collaborative [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_SalesAgreementMember" xlink:label="PESI_SalesAgreementMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_SalesAgreementMember" xlink:to="PESI_SalesAgreementMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_SalesAgreementMember_lbl" xml:lang="en-US">Sales Agreement [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesAxis" xlink:label="srt_ConsolidatedEntitiesAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ConsolidatedEntitiesAxis" xlink:to="srt_ConsolidatedEntitiesAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ConsolidatedEntitiesAxis_lbl" xml:lang="en-US">Consolidated Entities [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PFMPolandMember" xlink:label="PESI_PFMPolandMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PFMPolandMember" xlink:to="PESI_PFMPolandMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PFMPolandMember_lbl" xml:lang="en-US">PFM Poland [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="us-gaap_CreditFacilityAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CreditFacilityAxis" xlink:to="us-gaap_CreditFacilityAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CreditFacilityAxis_lbl" xml:lang="en-US">Credit Facility [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="us-gaap_RevolvingCreditFacilityMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevolvingCreditFacilityMember" xlink:to="us-gaap_RevolvingCreditFacilityMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xml:lang="en-US">Revolving Credit Facility [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ForeignSubsidiariesMember" xlink:label="PESI_ForeignSubsidiariesMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ForeignSubsidiariesMember" xlink:to="PESI_ForeignSubsidiariesMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ForeignSubsidiariesMember_lbl" xml:lang="en-US">Foreign Subsidiaries [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xml:lang="en-US">Long-Lived Tangible Asset [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BuildingMember" xlink:label="us-gaap_BuildingMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BuildingMember" xlink:to="us-gaap_BuildingMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BuildingMember_lbl" xml:lang="en-US">Building [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RangeAxis" xlink:to="srt_RangeAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_RangeAxis_lbl" xml:lang="en-US">Statistical Measurement [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MinimumMember" xlink:to="srt_MinimumMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_MinimumMember_lbl" xml:lang="en-US">Minimum [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MaximumMember" xlink:to="srt_MaximumMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_MaximumMember_lbl" xml:lang="en-US">Maximum [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_OfficeFurnitureAndEquipmentMember" xlink:label="PESI_OfficeFurnitureAndEquipmentMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_OfficeFurnitureAndEquipmentMember" xlink:to="PESI_OfficeFurnitureAndEquipmentMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_OfficeFurnitureAndEquipmentMember_lbl" xml:lang="en-US">Office Furniture and Equipment [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:to="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xml:lang="en-US">Concentration Risk Benchmark [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SalesRevenueNetMember" xlink:label="us-gaap_SalesRevenueNetMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SalesRevenueNetMember" xlink:to="us-gaap_SalesRevenueNetMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SalesRevenueNetMember_lbl" xml:lang="en-US">Revenue Benchmark [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MajorCustomersAxis" xlink:label="srt_MajorCustomersAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MajorCustomersAxis" xlink:to="srt_MajorCustomersAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_MajorCustomersAxis_lbl" xml:lang="en-US">Customer [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_GovernmentClientsMember" xlink:label="PESI_GovernmentClientsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_GovernmentClientsMember" xlink:to="PESI_GovernmentClientsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_GovernmentClientsMember_lbl" xml:lang="en-US">Government Clients [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="us-gaap_ConcentrationRiskByTypeAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskByTypeAxis" xlink:to="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xml:lang="en-US">Concentration Risk Type [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CustomerConcentrationRiskMember" xlink:label="us-gaap_CustomerConcentrationRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CustomerConcentrationRiskMember" xlink:to="us-gaap_CustomerConcentrationRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CustomerConcentrationRiskMember_lbl" xml:lang="en-US">Customer Concentration Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_StatementBusinessSegmentsAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xml:lang="en-US">Segments [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ServicesSegmentMember" xlink:label="PESI_ServicesSegmentMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ServicesSegmentMember" xlink:to="PESI_ServicesSegmentMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ServicesSegmentMember_lbl" xml:lang="en-US">Services Segment [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableMember" xlink:label="us-gaap_AccountsReceivableMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableMember" xlink:to="us-gaap_AccountsReceivableMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsReceivableMember_lbl" xml:lang="en-US">Accounts Receivable [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_CustomerOneMember" xlink:label="PESI_CustomerOneMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CustomerOneMember" xlink:to="PESI_CustomerOneMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_CustomerOneMember_lbl" xml:lang="en-US">Customer One [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_CustomerTwoMember" xlink:label="PESI_CustomerTwoMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CustomerTwoMember" xlink:to="PESI_CustomerTwoMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_CustomerTwoMember_lbl" xml:lang="en-US">Customer Two [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_CustomerThreeMember" xlink:label="PESI_CustomerThreeMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CustomerThreeMember" xlink:to="PESI_CustomerThreeMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_CustomerThreeMember_lbl" xml:lang="en-US">Customer Three [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="srt_ProductOrServiceAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ProductOrServiceAxis" xlink:to="srt_ProductOrServiceAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ProductOrServiceAxis_lbl" xml:lang="en-US">Product and Service [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ReceiptMember" xlink:label="PESI_ReceiptMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ReceiptMember" xlink:to="PESI_ReceiptMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ReceiptMember_lbl" xml:lang="en-US">Receipt [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_TreatmentOrProcessingMember" xlink:label="PESI_TreatmentOrProcessingMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TreatmentOrProcessingMember" xlink:to="PESI_TreatmentOrProcessingMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_TreatmentOrProcessingMember_lbl" xml:lang="en-US">Treatment/ Processing [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ShipmentOrFinalDisposalMember" xlink:label="PESI_ShipmentOrFinalDisposalMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ShipmentOrFinalDisposalMember" xlink:to="PESI_ShipmentOrFinalDisposalMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ShipmentOrFinalDisposalMember_lbl" xml:lang="en-US">Shipment/ Final Disposal [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_FixedPriceMember" xlink:label="PESI_FixedPriceMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_FixedPriceMember" xlink:to="PESI_FixedPriceMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_FixedPriceMember_lbl" xml:lang="en-US">Fixed Price [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_TreatmentMember" xlink:label="PESI_TreatmentMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TreatmentMember" xlink:to="PESI_TreatmentMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_TreatmentMember_lbl" xml:lang="en-US">Treatment [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ServicesMember" xlink:label="PESI_ServicesMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ServicesMember" xlink:to="PESI_ServicesMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ServicesMember_lbl" xml:lang="en-US">Services [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_TimeandMaterialsMember" xlink:label="PESI_TimeandMaterialsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TimeandMaterialsMember" xlink:to="PESI_TimeandMaterialsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_TimeandMaterialsMember_lbl" xml:lang="en-US">Time and Materials [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DomesticGovernmentMember" xlink:label="PESI_DomesticGovernmentMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DomesticGovernmentMember" xlink:to="PESI_DomesticGovernmentMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DomesticGovernmentMember_lbl" xml:lang="en-US">Domestic Government [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DomesticCommercialMember" xlink:label="PESI_DomesticCommercialMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DomesticCommercialMember" xlink:to="PESI_DomesticCommercialMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DomesticCommercialMember_lbl" xml:lang="en-US">Domestic Commercial [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ForeignGovernmentMember" xlink:label="PESI_ForeignGovernmentMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ForeignGovernmentMember" xlink:to="PESI_ForeignGovernmentMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ForeignGovernmentMember_lbl" xml:lang="en-US">Foreign Government [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ForeignCommercialMember" xlink:label="PESI_ForeignCommercialMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ForeignCommercialMember" xlink:to="PESI_ForeignCommercialMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ForeignCommercialMember_lbl" xml:lang="en-US">Foreign Commercial [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AwardDateAxis" xlink:label="us-gaap_AwardDateAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AwardDateAxis" xlink:to="us-gaap_AwardDateAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AwardDateAxis_lbl" xml:lang="en-US">Award Date [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_YearToDateChangesMember" xlink:label="PESI_YearToDateChangesMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_YearToDateChangesMember" xlink:to="PESI_YearToDateChangesMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_YearToDateChangesMember_lbl" xml:lang="en-US">Year-to-date Change [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xml:lang="en-US">Finite-Lived Intangible Assets by Major Class [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PatentsMember" xlink:label="us-gaap_PatentsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PatentsMember" xlink:to="us-gaap_PatentsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PatentsMember_lbl" xml:lang="en-US">Patents [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_SoftwareMember" xlink:label="PESI_SoftwareMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_SoftwareMember" xlink:to="PESI_SoftwareMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_SoftwareMember_lbl" xml:lang="en-US">Software [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="us-gaap_CustomerRelationshipsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CustomerRelationshipsMember" xlink:to="us-gaap_CustomerRelationshipsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CustomerRelationshipsMember_lbl" xml:lang="en-US">Customer Relationships [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="us-gaap_PlanNameAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PlanNameAxis_lbl" xml:lang="en-US">Plan Name [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_TwoThousandThreeStockPlanMember" xlink:label="PESI_TwoThousandThreeStockPlanMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TwoThousandThreeStockPlanMember" xlink:to="PESI_TwoThousandThreeStockPlanMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_TwoThousandThreeStockPlanMember_lbl" xml:lang="en-US">2003 Stock Plan [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_TitleOfIndividualAxis" xlink:label="srt_TitleOfIndividualAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_TitleOfIndividualAxis" xlink:to="srt_TitleOfIndividualAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_TitleOfIndividualAxis_lbl" xml:lang="en-US">Title of Individual [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_DirectorMember" xlink:label="srt_DirectorMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_DirectorMember" xlink:to="srt_DirectorMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_DirectorMember_lbl" xml:lang="en-US">Director [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_StatementScenarioAxis" xlink:label="srt_StatementScenarioAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_StatementScenarioAxis" xlink:to="srt_StatementScenarioAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_StatementScenarioAxis_lbl" xml:lang="en-US">Scenario [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ElectionMember" xlink:label="PESI_ElectionMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ElectionMember" xlink:to="PESI_ElectionMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ElectionMember_lbl" xml:lang="en-US">Election [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ReelectionMember" xlink:label="PESI_ReelectionMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ReelectionMember" xlink:to="PESI_ReelectionMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ReelectionMember_lbl" xml:lang="en-US">Reelection [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_TwoThousandThreeOutsideDirectorsStockPlanMember" xlink:label="PESI_TwoThousandThreeOutsideDirectorsStockPlanMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TwoThousandThreeOutsideDirectorsStockPlanMember" xlink:to="PESI_TwoThousandThreeOutsideDirectorsStockPlanMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_TwoThousandThreeOutsideDirectorsStockPlanMember_lbl" xml:lang="en-US">2003 Outside Directors Stock Plan [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_TwoThousandAndSeventeenStockOptionPlanMember" xlink:label="PESI_TwoThousandAndSeventeenStockOptionPlanMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TwoThousandAndSeventeenStockOptionPlanMember" xlink:to="PESI_TwoThousandAndSeventeenStockOptionPlanMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_TwoThousandAndSeventeenStockOptionPlanMember_lbl" xml:lang="en-US">2017 Stock Option Plan [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_OfficersAndEmployeesMember" xlink:label="PESI_OfficersAndEmployeesMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_OfficersAndEmployeesMember" xlink:to="PESI_OfficersAndEmployeesMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_OfficersAndEmployeesMember_lbl" xml:lang="en-US">Officers and Employees [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_TwoThousandTenStockOptionPlanMember" xlink:label="PESI_TwoThousandTenStockOptionPlanMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TwoThousandTenStockOptionPlanMember" xlink:to="PESI_TwoThousandTenStockOptionPlanMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_TwoThousandTenStockOptionPlanMember_lbl" xml:lang="en-US">2010 Stock Option Plan [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_TwoThousandSeventeenStockPlanMember" xlink:label="PESI_TwoThousandSeventeenStockPlanMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TwoThousandSeventeenStockPlanMember" xlink:to="PESI_TwoThousandSeventeenStockPlanMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_TwoThousandSeventeenStockPlanMember_lbl" xml:lang="en-US">2017 Stock Plan [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ChiefExecutiveOfficerMember" xlink:label="srt_ChiefExecutiveOfficerMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ChiefExecutiveOfficerMember" xlink:to="srt_ChiefExecutiveOfficerMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ChiefExecutiveOfficerMember_lbl" xml:lang="en-US">Chief Executive Officer [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_IncentiveStockOptionAgreementMember" xlink:label="PESI_IncentiveStockOptionAgreementMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_IncentiveStockOptionAgreementMember" xlink:to="PESI_IncentiveStockOptionAgreementMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_IncentiveStockOptionAgreementMember_lbl" xml:lang="en-US">Incentive Stock Option Agreement [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ChiefFinancialOfficerMember" xlink:label="srt_ChiefFinancialOfficerMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ChiefFinancialOfficerMember" xlink:to="srt_ChiefFinancialOfficerMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ChiefFinancialOfficerMember_lbl" xml:lang="en-US">Chief Financial Officer [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_EVPOfStrategicInitiativesMember" xlink:label="PESI_EVPOfStrategicInitiativesMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_EVPOfStrategicInitiativesMember" xlink:to="PESI_EVPOfStrategicInitiativesMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_EVPOfStrategicInitiativesMember_lbl" xml:lang="en-US">EVP of Strategic Initiatives [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_EVPofWasteTreatmentOperationsMember" xlink:label="PESI_EVPofWasteTreatmentOperationsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_EVPofWasteTreatmentOperationsMember" xlink:to="PESI_EVPofWasteTreatmentOperationsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_EVPofWasteTreatmentOperationsMember_lbl" xml:lang="en-US">EVP of Waste Treatment Operations [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_EVPofNuclearandTechnicalServicesMember" xlink:label="PESI_EVPofNuclearandTechnicalServicesMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_EVPofNuclearandTechnicalServicesMember" xlink:to="PESI_EVPofNuclearandTechnicalServicesMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_EVPofNuclearandTechnicalServicesMember_lbl" xml:lang="en-US">EVP of Nuclear and Technical Services [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_TwoThousandAndThreePlanMember" xlink:label="PESI_TwoThousandAndThreePlanMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TwoThousandAndThreePlanMember" xlink:to="PESI_TwoThousandAndThreePlanMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_TwoThousandAndThreePlanMember_lbl" xml:lang="en-US">2003 Plan [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="us-gaap_AwardTypeAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_AwardTypeAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AwardTypeAxis_lbl" xml:lang="en-US">Award Type [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_NonQualifiedStockOptionsMember" xlink:label="PESI_NonQualifiedStockOptionsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_NonQualifiedStockOptionsMember" xlink:to="PESI_NonQualifiedStockOptionsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_NonQualifiedStockOptionsMember_lbl" xml:lang="en-US">NQSO [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_TwoThousandSeventeenStockOptionPlanMember" xlink:label="PESI_TwoThousandSeventeenStockOptionPlanMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TwoThousandSeventeenStockOptionPlanMember" xlink:to="PESI_TwoThousandSeventeenStockOptionPlanMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="PESI_TwoThousandSeventeenStockOptionPlanMember_lbl" xml:lang="en-US">2017 Stock Option Plan [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_FirstSeparateOptionsMember" xlink:label="PESI_FirstSeparateOptionsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_FirstSeparateOptionsMember" xlink:to="PESI_FirstSeparateOptionsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_FirstSeparateOptionsMember_lbl" xml:lang="en-US">First Separate Options [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_SecondSeparateOptionsMember" xlink:label="PESI_SecondSeparateOptionsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_SecondSeparateOptionsMember" xlink:to="PESI_SecondSeparateOptionsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_SecondSeparateOptionsMember_lbl" xml:lang="en-US">Second Separate Options [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_EmployeeAndDirectorsMember" xlink:label="PESI_EmployeeAndDirectorsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_EmployeeAndDirectorsMember" xlink:to="PESI_EmployeeAndDirectorsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_EmployeeAndDirectorsMember_lbl" xml:lang="en-US">Employee and Directors [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ConsultantMember" xlink:label="PESI_ConsultantMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ConsultantMember" xlink:to="PESI_ConsultantMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ConsultantMember_lbl" xml:lang="en-US">Consultant [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_FergusonStockOptionMember" xlink:label="PESI_FergusonStockOptionMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_FergusonStockOptionMember" xlink:to="PESI_FergusonStockOptionMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_FergusonStockOptionMember_lbl" xml:lang="en-US">Ferguson Stock Option [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_SecondMilestoneMember" xlink:label="PESI_SecondMilestoneMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_SecondMilestoneMember" xlink:to="PESI_SecondMilestoneMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_SecondMilestoneMember_lbl" xml:lang="en-US">Second Milestone [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ThirdMilestoneMember" xlink:label="PESI_ThirdMilestoneMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ThirdMilestoneMember" xlink:to="PESI_ThirdMilestoneMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ThirdMilestoneMember_lbl" xml:lang="en-US">Third Milestone [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_RobertFergusonMember" xlink:label="PESI_RobertFergusonMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_RobertFergusonMember" xlink:to="PESI_RobertFergusonMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_RobertFergusonMember_lbl" xml:lang="en-US">Robert Ferguson [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_TwoThousandThreeOutsideDirectorsStockOptionPlanMember" xlink:label="PESI_TwoThousandThreeOutsideDirectorsStockOptionPlanMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TwoThousandThreeOutsideDirectorsStockOptionPlanMember" xlink:to="PESI_TwoThousandThreeOutsideDirectorsStockOptionPlanMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_TwoThousandThreeOutsideDirectorsStockOptionPlanMember_lbl" xml:lang="en-US">2003 Outside Directors Stock Option Plan [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_StatementClassOfStockAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xml:lang="en-US">Class of Stock [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NatureOfExpenseAxis" xlink:label="us-gaap_NatureOfExpenseAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NatureOfExpenseAxis" xlink:to="us-gaap_NatureOfExpenseAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NatureOfExpenseAxis_lbl" xml:lang="en-US">Nature of Expense [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PortionOfDirectorFeeEarnedInCommonStockMember" xlink:label="PESI_PortionOfDirectorFeeEarnedInCommonStockMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PortionOfDirectorFeeEarnedInCommonStockMember" xlink:to="PESI_PortionOfDirectorFeeEarnedInCommonStockMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PortionOfDirectorFeeEarnedInCommonStockMember_lbl" xml:lang="en-US">Portion of Director Fee Earned in Common Stock [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_The2003OutsideDirectorsStockPlanMember" xlink:label="PESI_The2003OutsideDirectorsStockPlanMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_The2003OutsideDirectorsStockPlanMember" xlink:to="PESI_The2003OutsideDirectorsStockPlanMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="PESI_The2003OutsideDirectorsStockPlanMember_lbl" xml:lang="en-US">2003 Outside Directors Stock Plan [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_SubscriptionAgreementsMember" xlink:label="PESI_SubscriptionAgreementsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_SubscriptionAgreementsMember" xlink:to="PESI_SubscriptionAgreementsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_SubscriptionAgreementsMember_lbl" xml:lang="en-US">Subscription Agreements [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_EmployeeStockOptionGrantedMember" xlink:label="PESI_EmployeeStockOptionGrantedMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_EmployeeStockOptionGrantedMember" xlink:to="PESI_EmployeeStockOptionGrantedMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_EmployeeStockOptionGrantedMember_lbl" xml:lang="en-US">Employee Stock Option Granted [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_OutsideDirectorStockOptionsGrantedMember" xlink:label="PESI_OutsideDirectorStockOptionsGrantedMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_OutsideDirectorStockOptionsGrantedMember" xlink:to="PESI_OutsideDirectorStockOptionsGrantedMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_OutsideDirectorStockOptionsGrantedMember_lbl" xml:lang="en-US">Outside Director Stock Options Granted [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="us-gaap_EmployeeStockOptionMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeStockOptionMember" xlink:to="us-gaap_EmployeeStockOptionMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeStockOptionMember_lbl" xml:lang="en-US">Share-based Payment Arrangement, Option [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DirectorStockOptionsMember" xlink:label="PESI_DirectorStockOptionsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DirectorStockOptionsMember" xlink:to="PESI_DirectorStockOptionsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DirectorStockOptionsMember_lbl" xml:lang="en-US">Director Stock Options [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="us-gaap_FinancialInstrumentAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancialInstrumentAxis" xlink:to="us-gaap_FinancialInstrumentAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xml:lang="en-US">Financial Instrument [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockOptionMember" xlink:label="us-gaap_StockOptionMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockOptionMember" xlink:to="us-gaap_StockOptionMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockOptionMember_lbl" xml:lang="en-US">Equity Option [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_StockOptionOutstandingMember" xlink:label="PESI_StockOptionOutstandingMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_StockOptionOutstandingMember" xlink:to="PESI_StockOptionOutstandingMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_StockOptionOutstandingMember_lbl" xml:lang="en-US">Stock Option Outstanding [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_StockOptionExercisableMember" xlink:label="PESI_StockOptionExercisableMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_StockOptionExercisableMember" xlink:to="PESI_StockOptionExercisableMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_StockOptionExercisableMember_lbl" xml:lang="en-US">Stock Option Exercisable [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PlacementAgencyAgreementMember" xlink:label="PESI_PlacementAgencyAgreementMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PlacementAgencyAgreementMember" xlink:to="PESI_PlacementAgencyAgreementMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PlacementAgencyAgreementMember_lbl" xml:lang="en-US">Placement Agency Agreement [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xml:lang="en-US">Related Party [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_WellingtonShieldsandCoMember" xlink:label="PESI_WellingtonShieldsandCoMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_WellingtonShieldsandCoMember" xlink:to="PESI_WellingtonShieldsandCoMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_WellingtonShieldsandCoMember_lbl" xml:lang="en-US">Wellington Shieldsand Co [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LegalEntityAxis" xlink:to="dei_LegalEntityAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_LegalEntityAxis_lbl" xml:lang="en-US">Legal Entity [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PermaFixOfMemphisIncMember" xlink:label="PESI_PermaFixOfMemphisIncMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PermaFixOfMemphisIncMember" xlink:to="PESI_PermaFixOfMemphisIncMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PermaFixOfMemphisIncMember_lbl" xml:lang="en-US">Perma-Fix of Memphis, Inc. [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PFDMember" xlink:label="PESI_PFDMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PFDMember" xlink:to="PESI_PFDMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PFDMember_lbl" xml:lang="en-US">PFD [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PFMMember" xlink:label="PESI_PFMMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PFMMember" xlink:to="PESI_PFMMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PFMMember_lbl" xml:lang="en-US">PFM [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PFSGMember" xlink:label="PESI_PFSGMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PFSGMember" xlink:to="PESI_PFSGMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PFSGMember_lbl" xml:lang="en-US">PFSG [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="us-gaap_LongtermDebtTypeAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="us-gaap_LongtermDebtTypeAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xml:lang="en-US">Long-term Debt, Type [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_RevolvingCreditMember" xlink:label="PESI_RevolvingCreditMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_RevolvingCreditMember" xlink:to="PESI_RevolvingCreditMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_RevolvingCreditMember_lbl" xml:lang="en-US">Revolving Credit [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_TermLoanMember" xlink:label="PESI_TermLoanMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TermLoanMember" xlink:to="PESI_TermLoanMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_TermLoanMember_lbl" xml:lang="en-US">Term Loan [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_RelatedPartyPromissoryNoteOneMember" xlink:label="PESI_RelatedPartyPromissoryNoteOneMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_RelatedPartyPromissoryNoteOneMember" xlink:to="PESI_RelatedPartyPromissoryNoteOneMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_RelatedPartyPromissoryNoteOneMember_lbl" xml:lang="en-US">Promissory Note [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_NotePayableMember" xlink:label="PESI_NotePayableMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_NotePayableMember" xlink:to="PESI_NotePayableMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_NotePayableMember_lbl" xml:lang="en-US">Note Payable [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_NotePayableOneMember" xlink:label="PESI_NotePayableOneMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_NotePayableOneMember" xlink:to="PESI_NotePayableOneMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_NotePayableOneMember_lbl" xml:lang="en-US">Note Payable to 2023 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="us-gaap_DebtInstrumentAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xml:lang="en-US">Debt Instrument [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_RevisedLoanAgreementMember" xlink:label="PESI_RevisedLoanAgreementMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_RevisedLoanAgreementMember" xlink:to="PESI_RevisedLoanAgreementMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_RevisedLoanAgreementMember_lbl" xml:lang="en-US">Revised Loan Agreement [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PNCBankMember" xlink:label="PESI_PNCBankMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PNCBankMember" xlink:to="PESI_PNCBankMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PNCBankMember_lbl" xml:lang="en-US">PNC Bank [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PaycheckProtectionProgramMember" xlink:label="PESI_PaycheckProtectionProgramMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PaycheckProtectionProgramMember" xlink:to="PESI_PaycheckProtectionProgramMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PaycheckProtectionProgramMember_lbl" xml:lang="en-US">Paycheck Protection Program [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_LoanAgreementMember" xlink:label="PESI_LoanAgreementMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LoanAgreementMember" xlink:to="PESI_LoanAgreementMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_LoanAgreementMember_lbl" xml:lang="en-US">Loan Agreement [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_LeanderMember" xlink:label="PESI_LeanderMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LeanderMember" xlink:to="PESI_LeanderMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_LeanderMember_lbl" xml:lang="en-US">Leander [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="us-gaap_VariableRateAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableRateAxis" xlink:to="us-gaap_VariableRateAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_VariableRateAxis_lbl" xml:lang="en-US">Variable Rate [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PrimeRateMember" xlink:label="us-gaap_PrimeRateMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrimeRateMember" xlink:to="us-gaap_PrimeRateMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PrimeRateMember_lbl" xml:lang="en-US">Prime Rate [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="us-gaap_LondonInterbankOfferedRateLIBORMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:to="us-gaap_LondonInterbankOfferedRateLIBORMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LondonInterbankOfferedRateLIBORMember_lbl" xml:lang="en-US">London Interbank Offered Rate (LIBOR) [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_CapitalExpenditureMember" xlink:label="PESI_CapitalExpenditureMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CapitalExpenditureMember" xlink:to="PESI_CapitalExpenditureMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_CapitalExpenditureMember_lbl" xml:lang="en-US">Capital Expenditure [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PaycheckProtectionProgramLoanMember" xlink:label="PESI_PaycheckProtectionProgramLoanMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PaycheckProtectionProgramLoanMember" xlink:to="PESI_PaycheckProtectionProgramLoanMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PaycheckProtectionProgramLoanMember_lbl" xml:lang="en-US">Paycheck Protection Program Loan [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_LenderMember" xlink:label="PESI_LenderMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LenderMember" xlink:to="PESI_LenderMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_LenderMember_lbl" xml:lang="en-US">Lender [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_TwoThousandTwentyManagementIncentivePlanMember" xlink:label="PESI_TwoThousandTwentyManagementIncentivePlanMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TwoThousandTwentyManagementIncentivePlanMember" xlink:to="PESI_TwoThousandTwentyManagementIncentivePlanMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_TwoThousandTwentyManagementIncentivePlanMember_lbl" xml:lang="en-US">2020 Management Incentive Plan [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_StatementGeographicalAxis" xlink:label="srt_StatementGeographicalAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_StatementGeographicalAxis" xlink:to="srt_StatementGeographicalAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_StatementGeographicalAxis_lbl" xml:lang="en-US">Geographical [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2021/country-2021.xsd#country_US" xlink:label="country_US" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_US" xlink:to="country_US_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_US_lbl" xml:lang="en-US">UNITED STATES</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2021/country-2021.xsd#country_CA" xlink:label="country_CA" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_CA" xlink:to="country_CA_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_CA_lbl" xml:lang="en-US">CANADA</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2021/country-2021.xsd#country_GB" xlink:label="country_GB" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_GB" xlink:to="country_GB_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_GB_lbl" xml:lang="en-US">UNITED KINGDOM</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2021/country-2021.xsd#country_PL" xlink:label="country_PL" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_PL" xlink:to="country_PL_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_PL_lbl" xml:lang="en-US">POLAND</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="us-gaap_IncomeTaxAuthorityAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxAuthorityAxis" xlink:to="us-gaap_IncomeTaxAuthorityAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxAuthorityAxis_lbl" xml:lang="en-US">Income Tax Authority [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DomesticCountryMember" xlink:label="us-gaap_DomesticCountryMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DomesticCountryMember" xlink:to="us-gaap_DomesticCountryMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DomesticCountryMember_lbl" xml:lang="en-US">Domestic Tax Authority [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StateAndLocalJurisdictionMember" xlink:label="us-gaap_StateAndLocalJurisdictionMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StateAndLocalJurisdictionMember" xlink:to="us-gaap_StateAndLocalJurisdictionMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StateAndLocalJurisdictionMember_lbl" xml:lang="en-US">State and Local Jurisdiction [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_CanadianNuclearLaboratoriesLTDMember" xlink:label="PESI_CanadianNuclearLaboratoriesLTDMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CanadianNuclearLaboratoriesLTDMember" xlink:to="PESI_CanadianNuclearLaboratoriesLTDMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_CanadianNuclearLaboratoriesLTDMember_lbl" xml:lang="en-US">Canadian Nuclear Laboratories LTD [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_CounterpartyNameAxis" xlink:label="srt_CounterpartyNameAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CounterpartyNameAxis" xlink:to="srt_CounterpartyNameAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_CounterpartyNameAxis_lbl" xml:lang="en-US">Counterparty Name [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_AmericanInternationalGroupIncMember" xlink:label="PESI_AmericanInternationalGroupIncMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AmericanInternationalGroupIncMember" xlink:to="PESI_AmericanInternationalGroupIncMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_AmericanInternationalGroupIncMember_lbl" xml:lang="en-US">American International Group, Inc [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ThousandandThreeClosurePolicyMember" xlink:label="PESI_ThousandandThreeClosurePolicyMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ThousandandThreeClosurePolicyMember" xlink:to="PESI_ThousandandThreeClosurePolicyMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ThousandandThreeClosurePolicyMember_lbl" xml:lang="en-US">2003 Closure Policy [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_VicePresidentOfInformationSystemsMember" xlink:label="PESI_VicePresidentOfInformationSystemsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_VicePresidentOfInformationSystemsMember" xlink:to="PESI_VicePresidentOfInformationSystemsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_VicePresidentOfInformationSystemsMember_lbl" xml:lang="en-US">Vice President of Information Systems [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DrDavidCentofantiMember" xlink:label="PESI_DrDavidCentofantiMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DrDavidCentofantiMember" xlink:to="PESI_DrDavidCentofantiMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DrDavidCentofantiMember_lbl" xml:lang="en-US">Dr. David Centofanti [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_CEOMember" xlink:label="PESI_CEOMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CEOMember" xlink:to="PESI_CEOMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_CEOMember_lbl" xml:lang="en-US">CEO [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ExecutiveVicePresidentOfStrategicInitiativesMember" xlink:label="PESI_ExecutiveVicePresidentOfStrategicInitiativesMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ExecutiveVicePresidentOfStrategicInitiativesMember" xlink:to="PESI_ExecutiveVicePresidentOfStrategicInitiativesMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="PESI_ExecutiveVicePresidentOfStrategicInitiativesMember_lbl" xml:lang="en-US">EVP of Strategic Initiatives [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember" xlink:label="PESI_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember" xlink:to="PESI_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_lbl" xml:lang="en-US">EVP of Nuclear And Technical Services [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ExecutiveVicePresidentOfWasteTreatmentOperationsMember" xlink:label="PESI_ExecutiveVicePresidentOfWasteTreatmentOperationsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ExecutiveVicePresidentOfWasteTreatmentOperationsMember" xlink:to="PESI_ExecutiveVicePresidentOfWasteTreatmentOperationsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="PESI_ExecutiveVicePresidentOfWasteTreatmentOperationsMember_lbl" xml:lang="en-US">EVP of Waste Treatment Operations [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_RevisedMember" xlink:label="PESI_RevisedMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_RevisedMember" xlink:to="PESI_RevisedMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_RevisedMember_lbl" xml:lang="en-US">Revised [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PriorToRevisionMember" xlink:label="PESI_PriorToRevisionMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PriorToRevisionMember" xlink:to="PESI_PriorToRevisionMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PriorToRevisionMember_lbl" xml:lang="en-US">Prior to Revision [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ChairmanOfTheBoardMember" xlink:label="PESI_ChairmanOfTheBoardMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ChairmanOfTheBoardMember" xlink:to="PESI_ChairmanOfTheBoardMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ChairmanOfTheBoardMember_lbl" xml:lang="en-US">Chairman of the Board [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ChairmanOfTheAuditCommitteeMember" xlink:label="PESI_ChairmanOfTheAuditCommitteeMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ChairmanOfTheAuditCommitteeMember" xlink:to="PESI_ChairmanOfTheAuditCommitteeMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ChairmanOfTheAuditCommitteeMember_lbl" xml:lang="en-US">Chairman of the Audit Committee [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ChairmanOfCompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember" xlink:label="PESI_ChairmanOfCompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ChairmanOfCompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember" xlink:to="PESI_ChairmanOfCompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ChairmanOfCompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember_lbl" xml:lang="en-US">Chairman of Compensation Committee, Nominating Committee and the Strategic Committee [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_AuditCommitteeMemberMember" xlink:label="PESI_AuditCommitteeMemberMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AuditCommitteeMemberMember" xlink:to="PESI_AuditCommitteeMemberMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_AuditCommitteeMemberMember_lbl" xml:lang="en-US">Audit Committee Member [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_CompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember" xlink:label="PESI_CompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember" xlink:to="PESI_CompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_CompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember_lbl" xml:lang="en-US">Compensation Committee, Nominating Committee and the Strategic Committee [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_NonEmployeeBoardMemberMember" xlink:label="PESI_NonEmployeeBoardMemberMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_NonEmployeeBoardMemberMember" xlink:to="PESI_NonEmployeeBoardMemberMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_NonEmployeeBoardMemberMember_lbl" xml:lang="en-US">Non-Employee Board Member [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_NonEmployeeDirectorMember" xlink:label="PESI_NonEmployeeDirectorMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_NonEmployeeDirectorMember" xlink:to="PESI_NonEmployeeDirectorMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_NonEmployeeDirectorMember_lbl" xml:lang="en-US">Non-Employee Director [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_MedicalMember" xlink:label="PESI_MedicalMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_MedicalMember" xlink:to="PESI_MedicalMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_MedicalMember_lbl" xml:lang="en-US">Medical [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_SegmentsTotalMember" xlink:label="PESI_SegmentsTotalMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_SegmentsTotalMember" xlink:to="PESI_SegmentsTotalMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_SegmentsTotalMember_lbl" xml:lang="en-US">Segments Total [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CorporateAndOtherMember" xlink:label="us-gaap_CorporateAndOtherMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CorporateAndOtherMember" xlink:to="us-gaap_CorporateAndOtherMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CorporateAndOtherMember_lbl" xml:lang="en-US">Corporate and Other [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DomesticAndForeignGovernmentMember" xlink:label="PESI_DomesticAndForeignGovernmentMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DomesticAndForeignGovernmentMember" xlink:to="PESI_DomesticAndForeignGovernmentMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DomesticAndForeignGovernmentMember_lbl" xml:lang="en-US">Domestic and Foreign Government [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ParentCompanyMember" xlink:label="srt_ParentCompanyMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ParentCompanyMember" xlink:to="srt_ParentCompanyMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ParentCompanyMember_lbl" xml:lang="en-US">Parent Company [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2021/country-2021.xsd#country_DE" xlink:label="country_DE" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_DE" xlink:to="country_DE_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_DE_lbl" xml:lang="en-US">GERMANY</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DecemberThirtyOneTwoThousandAndTwentyOneMember" xlink:label="PESI_DecemberThirtyOneTwoThousandAndTwentyOneMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DecemberThirtyOneTwoThousandAndTwentyOneMember" xlink:to="PESI_DecemberThirtyOneTwoThousandAndTwentyOneMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DecemberThirtyOneTwoThousandAndTwentyOneMember_lbl" xml:lang="en-US">December 31, 2021 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DeferralofEmploymentTaxDepositsMember" xlink:label="PESI_DeferralofEmploymentTaxDepositsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DeferralofEmploymentTaxDepositsMember" xlink:to="PESI_DeferralofEmploymentTaxDepositsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DeferralofEmploymentTaxDepositsMember_lbl" xml:lang="en-US">Deferral of Employment Tax Deposits [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DecemberThirtyOneTwoThousandAndTwentyTwoMember" xlink:label="PESI_DecemberThirtyOneTwoThousandAndTwentyTwoMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DecemberThirtyOneTwoThousandAndTwentyTwoMember" xlink:to="PESI_DecemberThirtyOneTwoThousandAndTwentyTwoMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DecemberThirtyOneTwoThousandAndTwentyTwoMember_lbl" xml:lang="en-US">December 31, 2022 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_EngineeringRemediationResourcesGroupIncMember" xlink:label="PESI_EngineeringRemediationResourcesGroupIncMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_EngineeringRemediationResourcesGroupIncMember" xlink:to="PESI_EngineeringRemediationResourcesGroupIncMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_EngineeringRemediationResourcesGroupIncMember_lbl" xml:lang="en-US">Engineering/Remediation Resources Group, Inc [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PermaFixERRGMember" xlink:label="PESI_PermaFixERRGMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PermaFixERRGMember" xlink:to="PESI_PermaFixERRGMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PermaFixERRGMember_lbl" xml:lang="en-US">Perma-Fix ERRG [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ExecutiveOfficerMember" xlink:label="srt_ExecutiveOfficerMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ExecutiveOfficerMember" xlink:to="srt_ExecutiveOfficerMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ExecutiveOfficerMember_lbl" xml:lang="en-US">Executive Officer [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xml:lang="en-US">Subsequent Event Type [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="us-gaap_SubsequentEventMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventMember" xlink:to="us-gaap_SubsequentEventMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventMember_lbl" xml:lang="en-US">Subsequent Event [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ScenarioForecastMember" xlink:label="srt_ScenarioForecastMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ScenarioForecastMember" xlink:to="srt_ScenarioForecastMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ScenarioForecastMember_lbl" xml:lang="en-US">Forecast [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_CoverAbstract" xlink:label="dei_CoverAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CoverAbstract" xlink:to="dei_CoverAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_CoverAbstract_lbl" xml:lang="en-US">Cover [Abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentType" xlink:label="dei_DocumentType" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="dei_DocumentType_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentType_lbl" xml:lang="en-US">Document Type</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AmendmentFlag_lbl" xml:lang="en-US">Amendment Flag</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_AmendmentDescription" xlink:label="dei_AmendmentDescription" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentDescription" xlink:to="dei_AmendmentDescription_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AmendmentDescription_lbl" xml:lang="en-US">Amendment Description</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentRegistrationStatement" xlink:label="dei_DocumentRegistrationStatement" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentRegistrationStatement" xlink:to="dei_DocumentRegistrationStatement_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentRegistrationStatement_lbl" xml:lang="en-US">Document Registration Statement</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentAnnualReport" xlink:label="dei_DocumentAnnualReport" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentAnnualReport" xlink:to="dei_DocumentAnnualReport_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentAnnualReport_lbl" xml:lang="en-US">Document Annual Report</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentQuarterlyReport" xlink:label="dei_DocumentQuarterlyReport" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentQuarterlyReport" xlink:to="dei_DocumentQuarterlyReport_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentQuarterlyReport_lbl" xml:lang="en-US">Document Quarterly Report</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentTransitionReport" xlink:label="dei_DocumentTransitionReport" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentTransitionReport" xlink:to="dei_DocumentTransitionReport_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentTransitionReport_lbl" xml:lang="en-US">Document Transition Report</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentShellCompanyReport" xlink:label="dei_DocumentShellCompanyReport" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentShellCompanyReport" xlink:to="dei_DocumentShellCompanyReport_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentShellCompanyReport_lbl" xml:lang="en-US">Document Shell Company Report</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentShellCompanyEventDate" xlink:label="dei_DocumentShellCompanyEventDate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentShellCompanyEventDate" xlink:to="dei_DocumentShellCompanyEventDate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentShellCompanyEventDate_lbl" xml:lang="en-US">Document Shell Company Event Date</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentPeriodStartDate" xlink:label="dei_DocumentPeriodStartDate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodStartDate" xlink:to="dei_DocumentPeriodStartDate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentPeriodStartDate_lbl" xml:lang="en-US">Document Period Start Date</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="dei_DocumentPeriodEndDate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentPeriodEndDate_lbl" xml:lang="en-US">Document Period End Date</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalPeriodFocus" xlink:to="dei_DocumentFiscalPeriodFocus_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xml:lang="en-US">Document Fiscal Period Focus</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalYearFocus" xlink:to="dei_DocumentFiscalYearFocus_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFiscalYearFocus_lbl" xml:lang="en-US">Document Fiscal Year Focus</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CurrentFiscalYearEndDate" xlink:to="dei_CurrentFiscalYearEndDate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xml:lang="en-US">Current Fiscal Year End Date</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityFileNumber" xlink:label="dei_EntityFileNumber" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFileNumber" xlink:to="dei_EntityFileNumber_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityFileNumber_lbl" xml:lang="en-US">Entity File Number</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="dei_EntityRegistrantName_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityRegistrantName_lbl" xml:lang="en-US">Entity Registrant Name</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="dei_EntityCentralIndexKey_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCentralIndexKey_lbl" xml:lang="en-US">Entity Central Index Key</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityPrimarySicNumber" xlink:label="dei_EntityPrimarySicNumber" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityPrimarySicNumber" xlink:to="dei_EntityPrimarySicNumber_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityPrimarySicNumber_lbl" xml:lang="en-US">Entity Primary SIC Number</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityTaxIdentificationNumber" xlink:label="dei_EntityTaxIdentificationNumber" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityTaxIdentificationNumber" xlink:to="dei_EntityTaxIdentificationNumber_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xml:lang="en-US">Entity Tax Identification Number</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="dei_EntityIncorporationStateCountryCode" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityIncorporationStateCountryCode" xlink:to="dei_EntityIncorporationStateCountryCode_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xml:lang="en-US">Entity Incorporation, State or Country Code</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressAddressLine1" xlink:label="dei_EntityAddressAddressLine1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine1" xlink:to="dei_EntityAddressAddressLine1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressAddressLine1_lbl" xml:lang="en-US">Entity Address, Address Line One</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressAddressLine2" xlink:label="dei_EntityAddressAddressLine2" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressAddressLine2_lbl" xml:lang="en-US">Entity Address, Address Line Two</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressAddressLine3" xlink:label="dei_EntityAddressAddressLine3" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine3" xlink:to="dei_EntityAddressAddressLine3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressAddressLine3_lbl" xml:lang="en-US">Entity Address, Address Line Three</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressCityOrTown" xlink:label="dei_EntityAddressCityOrTown" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressCityOrTown" xlink:to="dei_EntityAddressCityOrTown_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressCityOrTown_lbl" xml:lang="en-US">Entity Address, City or Town</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressStateOrProvince" xlink:label="dei_EntityAddressStateOrProvince" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressStateOrProvince" xlink:to="dei_EntityAddressStateOrProvince_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressStateOrProvince_lbl" xml:lang="en-US">Entity Address, State or Province</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressCountry" xlink:label="dei_EntityAddressCountry" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressCountry" xlink:to="dei_EntityAddressCountry_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressCountry_lbl" xml:lang="en-US">Entity Address, Country</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressPostalZipCode" xlink:label="dei_EntityAddressPostalZipCode" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressPostalZipCode" xlink:to="dei_EntityAddressPostalZipCode_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressPostalZipCode_lbl" xml:lang="en-US">Entity Address, Postal Zip Code</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_CountryRegion" xlink:label="dei_CountryRegion" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CountryRegion" xlink:to="dei_CountryRegion_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_CountryRegion_lbl" xml:lang="en-US">Country Region</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_CityAreaCode" xlink:label="dei_CityAreaCode" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CityAreaCode" xlink:to="dei_CityAreaCode_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_CityAreaCode_lbl" xml:lang="en-US">City Area Code</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LocalPhoneNumber" xlink:label="dei_LocalPhoneNumber" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LocalPhoneNumber" xlink:to="dei_LocalPhoneNumber_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_LocalPhoneNumber_lbl" xml:lang="en-US">Local Phone Number</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_Extension" xlink:label="dei_Extension" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_Extension" xlink:to="dei_Extension_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_Extension_lbl" xml:lang="en-US">Extension</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_WrittenCommunications" xlink:label="dei_WrittenCommunications" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_WrittenCommunications" xlink:to="dei_WrittenCommunications_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_WrittenCommunications_lbl" xml:lang="en-US">Written Communications</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_SolicitingMaterial" xlink:label="dei_SolicitingMaterial" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SolicitingMaterial" xlink:to="dei_SolicitingMaterial_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_SolicitingMaterial_lbl" xml:lang="en-US">Soliciting Material</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_PreCommencementTenderOffer" xlink:label="dei_PreCommencementTenderOffer" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_PreCommencementTenderOffer" xlink:to="dei_PreCommencementTenderOffer_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_PreCommencementTenderOffer_lbl" xml:lang="en-US">Pre-commencement Tender Offer</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_PreCommencementIssuerTenderOffer" xlink:label="dei_PreCommencementIssuerTenderOffer" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_PreCommencementIssuerTenderOffer" xlink:to="dei_PreCommencementIssuerTenderOffer_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_PreCommencementIssuerTenderOffer_lbl" xml:lang="en-US">Pre-commencement Issuer Tender Offer</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_Security12bTitle" xlink:label="dei_Security12bTitle" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_Security12bTitle" xlink:to="dei_Security12bTitle_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_Security12bTitle_lbl" xml:lang="en-US">Title of 12(b) Security</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_NoTradingSymbolFlag" xlink:label="dei_NoTradingSymbolFlag" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_NoTradingSymbolFlag" xlink:to="dei_NoTradingSymbolFlag_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_NoTradingSymbolFlag_lbl" xml:lang="en-US">No Trading Symbol Flag</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_TradingSymbol" xlink:to="dei_TradingSymbol_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_TradingSymbol_lbl" xml:lang="en-US">Trading Symbol</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_SecurityExchangeName" xlink:label="dei_SecurityExchangeName" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SecurityExchangeName" xlink:to="dei_SecurityExchangeName_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_SecurityExchangeName_lbl" xml:lang="en-US">Security Exchange Name</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_Security12gTitle" xlink:label="dei_Security12gTitle" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_Security12gTitle" xlink:to="dei_Security12gTitle_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_Security12gTitle_lbl" xml:lang="en-US">Title of 12(g) Security</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_SecurityReportingObligation" xlink:label="dei_SecurityReportingObligation" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SecurityReportingObligation" xlink:to="dei_SecurityReportingObligation_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_SecurityReportingObligation_lbl" xml:lang="en-US">Security Reporting Obligation</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_AnnualInformationForm" xlink:label="dei_AnnualInformationForm" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AnnualInformationForm" xlink:to="dei_AnnualInformationForm_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AnnualInformationForm_lbl" xml:lang="en-US">Annual Information Form</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_AuditedAnnualFinancialStatements" xlink:label="dei_AuditedAnnualFinancialStatements" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AuditedAnnualFinancialStatements" xlink:to="dei_AuditedAnnualFinancialStatements_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AuditedAnnualFinancialStatements_lbl" xml:lang="en-US">Audited Annual Financial Statements</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="dei_EntityWellKnownSeasonedIssuer" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityWellKnownSeasonedIssuer" xlink:to="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xml:lang="en-US">Entity Well-known Seasoned Issuer</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityVoluntaryFilers" xlink:label="dei_EntityVoluntaryFilers" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityVoluntaryFilers" xlink:to="dei_EntityVoluntaryFilers_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityVoluntaryFilers_lbl" xml:lang="en-US">Entity Voluntary Filers</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityCurrentReportingStatus" xlink:label="dei_EntityCurrentReportingStatus" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCurrentReportingStatus" xlink:to="dei_EntityCurrentReportingStatus_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCurrentReportingStatus_lbl" xml:lang="en-US">Entity Current Reporting Status</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityInteractiveDataCurrent" xlink:label="dei_EntityInteractiveDataCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityInteractiveDataCurrent" xlink:to="dei_EntityInteractiveDataCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xml:lang="en-US">Entity Interactive Data Current</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFilerCategory" xlink:to="dei_EntityFilerCategory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityFilerCategory_lbl" xml:lang="en-US">Entity Filer Category</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntitySmallBusiness" xlink:label="dei_EntitySmallBusiness" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntitySmallBusiness" xlink:to="dei_EntitySmallBusiness_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntitySmallBusiness_lbl" xml:lang="en-US">Entity Small Business</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityEmergingGrowthCompany" xlink:to="dei_EntityEmergingGrowthCompany_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xml:lang="en-US">Entity Emerging Growth Company</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityExTransitionPeriod" xlink:label="dei_EntityExTransitionPeriod" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityExTransitionPeriod" xlink:to="dei_EntityExTransitionPeriod_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityExTransitionPeriod_lbl" xml:lang="en-US">Elected Not To Use the Extended Transition Period</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentAccountingStandard" xlink:label="dei_DocumentAccountingStandard" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentAccountingStandard" xlink:to="dei_DocumentAccountingStandard_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentAccountingStandard_lbl" xml:lang="en-US">Document Accounting Standard</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_OtherReportingStandardItemNumber" xlink:label="dei_OtherReportingStandardItemNumber" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_OtherReportingStandardItemNumber" xlink:to="dei_OtherReportingStandardItemNumber_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_OtherReportingStandardItemNumber_lbl" xml:lang="en-US">Other Reporting Standard Item Number</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityShellCompany" xlink:label="dei_EntityShellCompany" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityShellCompany" xlink:to="dei_EntityShellCompany_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityShellCompany_lbl" xml:lang="en-US">Entity Shell Company</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityPublicFloat" xlink:label="dei_EntityPublicFloat" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityPublicFloat" xlink:to="dei_EntityPublicFloat_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityPublicFloat_lbl" xml:lang="en-US">Entity Public Float</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityBankruptcyProceedingsReportingCurrent" xlink:label="dei_EntityBankruptcyProceedingsReportingCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityBankruptcyProceedingsReportingCurrent" xlink:to="dei_EntityBankruptcyProceedingsReportingCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityBankruptcyProceedingsReportingCurrent_lbl" xml:lang="en-US">Entity Bankruptcy Proceedings, Reporting Current</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCommonStockSharesOutstanding" xlink:to="dei_EntityCommonStockSharesOutstanding_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentsIncorporatedByReferenceTextBlock" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentsIncorporatedByReferenceTextBlock" xlink:to="dei_DocumentsIncorporatedByReferenceTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock_lbl" xml:lang="en-US">Documents Incorporated by Reference</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_IcfrAuditorAttestationFlag" xlink:label="dei_IcfrAuditorAttestationFlag" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_IcfrAuditorAttestationFlag" xlink:to="dei_IcfrAuditorAttestationFlag_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_IcfrAuditorAttestationFlag_lbl" xml:lang="en-US">ICFR Auditor Attestation Flag</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_AuditorFirmId" xlink:label="dei_AuditorFirmId" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AuditorFirmId" xlink:to="dei_AuditorFirmId_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AuditorFirmId_lbl" xml:lang="en-US">Auditor Firm ID</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_AuditorName" xlink:label="dei_AuditorName" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AuditorName" xlink:to="dei_AuditorName_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AuditorName_lbl" xml:lang="en-US">Auditor Name</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_AuditorLocation" xlink:label="dei_AuditorLocation" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AuditorLocation" xlink:to="dei_AuditorLocation_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AuditorLocation_lbl" xml:lang="en-US">Auditor Location</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="us-gaap_StatementOfFinancialPositionAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfFinancialPositionAbstract" xlink:to="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xml:lang="en-US">Statement of Financial Position [Abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="us-gaap_AssetsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_AssetsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsAbstract_lbl" xml:lang="en-US">ASSETS</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="us-gaap_AssetsCurrentAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_AssetsCurrentAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xml:lang="en-US">Current assets:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US">Cash</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="us-gaap_AccountsReceivableNetCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableNetCurrent" xlink:to="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xml:lang="en-US">Accounts receivable, net of allowance for doubtful accounts of $85 and $404, respectively</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnbilledReceivablesCurrent" xlink:label="us-gaap_UnbilledReceivablesCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnbilledReceivablesCurrent" xlink:to="us-gaap_UnbilledReceivablesCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnbilledReceivablesCurrent_lbl" xml:lang="en-US">Unbilled receivables</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryNet" xlink:label="us-gaap_InventoryNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryNet" xlink:to="us-gaap_InventoryNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryNet_lbl" xml:lang="en-US">Inventories</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:to="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xml:lang="en-US">Prepaid and other assets</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent" xlink:label="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent" xlink:to="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent_lbl" xml:lang="en-US">Current assets related to discontinued operations</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AssetsCurrent_lbl" xml:lang="en-US">Total current assets</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:label="us-gaap_PropertyPlantAndEquipmentNetAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentNetAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentNetAbstract_lbl" xml:lang="en-US">Property and equipment:</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_BuildingsAndLand" xlink:label="PESI_BuildingsAndLand" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_BuildingsAndLand" xlink:to="PESI_BuildingsAndLand_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_BuildingsAndLand_lbl" xml:lang="en-US">Buildings and land</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MachineryAndEquipmentGross" xlink:label="us-gaap_MachineryAndEquipmentGross" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MachineryAndEquipmentGross" xlink:to="us-gaap_MachineryAndEquipmentGross_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MachineryAndEquipmentGross_lbl" xml:lang="en-US">Equipment</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_Vehicles" xlink:label="PESI_Vehicles" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_Vehicles" xlink:to="PESI_Vehicles_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_Vehicles_lbl" xml:lang="en-US">Vehicles</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeaseholdImprovementsGross" xlink:label="us-gaap_LeaseholdImprovementsGross" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseholdImprovementsGross" xlink:to="us-gaap_LeaseholdImprovementsGross_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LeaseholdImprovementsGross_lbl" xml:lang="en-US">Leasehold improvements</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FurnitureAndFixturesGross" xlink:label="us-gaap_FurnitureAndFixturesGross" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FurnitureAndFixturesGross" xlink:to="us-gaap_FurnitureAndFixturesGross_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FurnitureAndFixturesGross_lbl" xml:lang="en-US">Office furniture and equipment</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConstructionInProgressGross" xlink:label="us-gaap_ConstructionInProgressGross" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConstructionInProgressGross" xlink:to="us-gaap_ConstructionInProgressGross_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConstructionInProgressGross_lbl" xml:lang="en-US">Construction-in-progress</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="us-gaap_PropertyPlantAndEquipmentGross" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentGross" xlink:to="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xml:lang="en-US">Total property and equipment</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US">Less accumulated depreciation</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xml:lang="en-US">Net property and equipment</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentIncludingNotHeldForSale" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentIncludingNotHeldForSale" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentIncludingNotHeldForSale" xlink:to="PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentIncludingNotHeldForSale_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentIncludingNotHeldForSale_lbl" xml:lang="en-US">Property and equipment related to discontinued operations</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseRightOfUseAsset" xlink:to="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xml:lang="en-US">Operating lease right-of-use assets</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract" xlink:to="us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract_lbl" xml:lang="en-US">Intangibles and other long term assets:</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_Permits" xlink:label="PESI_Permits" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_Permits" xlink:to="PESI_Permits_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_Permits_lbl" xml:lang="en-US">Permits</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherIntangibleAssetsNet" xlink:label="us-gaap_OtherIntangibleAssetsNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherIntangibleAssetsNet" xlink:to="us-gaap_OtherIntangibleAssetsNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherIntangibleAssetsNet_lbl" xml:lang="en-US">Other intangible assets - net</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedCashNoncurrent" xlink:label="us-gaap_RestrictedCashNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedCashNoncurrent" xlink:to="us-gaap_RestrictedCashNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestrictedCashNoncurrent_lbl" xml:lang="en-US">Finite risk sinking fund (restricted cash)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxAssetsNet" xlink:label="us-gaap_DeferredIncomeTaxAssetsNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxAssetsNet" xlink:to="us-gaap_DeferredIncomeTaxAssetsNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredIncomeTaxAssetsNet_lbl" xml:lang="en-US">Deferred tax assets</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="us-gaap_OtherAssetsNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsNoncurrent" xlink:to="us-gaap_OtherAssetsNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xml:lang="en-US">Other assets</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US">Total assets</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xml:lang="en-US">LIABILITIES AND STOCKHOLDERS&#8217; EQUITY</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="us-gaap_LiabilitiesCurrentAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xml:lang="en-US">Current liabilities:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="us-gaap_AccountsPayableCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableCurrent" xlink:to="us-gaap_AccountsPayableCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xml:lang="en-US">Accounts payable</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="us-gaap_AccruedLiabilitiesCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedLiabilitiesCurrent" xlink:to="us-gaap_AccruedLiabilitiesCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xml:lang="en-US">Accrued expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DisposalTransportationAccrual" xlink:label="PESI_DisposalTransportationAccrual" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisposalTransportationAccrual" xlink:to="PESI_DisposalTransportationAccrual_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DisposalTransportationAccrual_lbl" xml:lang="en-US">Disposal/transportation accrual</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="us-gaap_DeferredRevenueCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredRevenueCurrent" xlink:to="us-gaap_DeferredRevenueCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredRevenueCurrent_lbl" xml:lang="en-US">Deferred revenue</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCosts" xlink:label="us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCosts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCosts" xlink:to="us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCosts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCosts_lbl" xml:lang="en-US">Accrued closure costs - current</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="us-gaap_LongTermDebtCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtCurrent" xlink:to="us-gaap_LongTermDebtCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xml:lang="en-US">Current portion of long-term debt</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityCurrent" xlink:to="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xml:lang="en-US">Current portion of operating lease liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseLiabilityCurrent" xlink:label="us-gaap_FinanceLeaseLiabilityCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityCurrent" xlink:to="us-gaap_FinanceLeaseLiabilityCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseLiabilityCurrent_lbl" xml:lang="en-US">Current portion of finance lease liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent" xlink:to="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent_lbl" xml:lang="en-US">Current liabilities related to discontinued operations</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US">Total current liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent" xlink:label="us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent" xlink:to="us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent_lbl" xml:lang="en-US">Accrued closure costs</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:to="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xml:lang="en-US">Deferred tax liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="us-gaap_LongTermDebtNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtNoncurrent" xlink:to="us-gaap_LongTermDebtNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xml:lang="en-US">Long-term debt, less current portion</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:to="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xml:lang="en-US">Long-term operating lease liabilities, less current portion</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent" xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityNoncurrent" xlink:to="us-gaap_FinanceLeaseLiabilityNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrent_lbl" xml:lang="en-US">Long-term finance lease liabilities, less current portion</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="us-gaap_OtherLiabilitiesNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLiabilitiesNoncurrent" xlink:to="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xml:lang="en-US">Other long-term liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleNoncurrent" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleNoncurrent" xlink:to="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleNoncurrent_lbl" xml:lang="en-US">Long-term liabilities related to discontinued operations</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesNoncurrent" xlink:label="us-gaap_LiabilitiesNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesNoncurrent" xlink:to="us-gaap_LiabilitiesNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesNoncurrent_lbl" xml:lang="en-US">Total long-term liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_Liabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Liabilities_lbl" xml:lang="en-US">Total liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="us-gaap_CommitmentsAndContingencies" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingencies" xlink:to="us-gaap_CommitmentsAndContingencies_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xml:lang="en-US">Commitments and Contingencies (Note 15)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="us-gaap_StockholdersEquityAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquityAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xml:lang="en-US">Stockholders&#8217; Equity:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="us-gaap_PreferredStockValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockValue" xlink:to="us-gaap_PreferredStockValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockValue_lbl" xml:lang="en-US">Preferred Stock, $.001 par value; 2,000,000 shares authorized, no shares issued and outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockValue" xlink:to="us-gaap_CommonStockValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockValue_lbl" xml:lang="en-US">Common Stock, $.001 par value; 30,000,000 shares authorized; 13,222,552 and 12,161,539 shares issued, respectively; 13,214,910 and 12,153,897 shares outstanding, respectively</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="us-gaap_AdditionalPaidInCapital" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapital" xlink:to="us-gaap_AdditionalPaidInCapital_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xml:lang="en-US">Additional paid-in capital</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xml:lang="en-US">Accumulated deficit</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_lbl" xml:lang="en-US">Accumulated other comprehensive loss</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="us-gaap_TreasuryStockValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockValue" xlink:to="us-gaap_TreasuryStockValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_TreasuryStockValue_lbl" xml:lang="en-US">Less Common Stock in treasury, at cost; 7,642 shares</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_StockholdersEquity_lbl" xml:lang="en-US">Total Perma-Fix Environmental Services, Inc. stockholders&#8217; equity</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MinorityInterest" xlink:label="us-gaap_MinorityInterest" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterest" xlink:to="us-gaap_MinorityInterest_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MinorityInterest_lbl" xml:lang="en-US">Non-controlling interest</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US">Total stockholders&#8217; equity</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US">Total liabilities and stockholders&#8217; equity</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:to="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_lbl" xml:lang="en-US">Accounts receivable, allowance for doubtful accounts</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockParOrStatedValuePerShare" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xml:lang="en-US">Preferred stock, par value</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="us-gaap_PreferredStockSharesAuthorized" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesAuthorized" xlink:to="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xml:lang="en-US">Preferred stock, shares authorized</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="us-gaap_PreferredStockSharesIssued" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesIssued" xlink:to="us-gaap_PreferredStockSharesIssued_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xml:lang="en-US">Preferred stock, shares issued</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="us-gaap_PreferredStockSharesOutstanding" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesOutstanding" xlink:to="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xml:lang="en-US">Preferred stock, shares outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xml:lang="en-US">Common stock, par value</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesAuthorized" xlink:to="us-gaap_CommonStockSharesAuthorized_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xml:lang="en-US">Common stock, shares authorized</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesIssued" xlink:to="us-gaap_CommonStockSharesIssued_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xml:lang="en-US">Common stock, shares outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="us-gaap_CommonStockSharesOutstanding" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xml:lang="en-US">Common stock, shares outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="us-gaap_TreasuryStockShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockShares" xlink:to="us-gaap_TreasuryStockShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TreasuryStockShares_lbl" xml:lang="en-US">Treasury stock, shares</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="us-gaap_IncomeStatementAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementAbstract" xlink:to="us-gaap_IncomeStatementAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xml:lang="en-US">Income Statement [Abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:to="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xml:lang="en-US">Net revenues</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="us-gaap_CostOfGoodsAndServicesSold" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfGoodsAndServicesSold" xlink:to="us-gaap_CostOfGoodsAndServicesSold_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostOfGoodsAndServicesSold_lbl" xml:lang="en-US">Cost of goods sold</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GrossProfit" xlink:label="us-gaap_GrossProfit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GrossProfit" xlink:to="us-gaap_GrossProfit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_GrossProfit_lbl" xml:lang="en-US">Gross profit</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SellingGeneralAndAdministrativeExpense" xlink:to="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xml:lang="en-US">Selling, general and administrative expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="us-gaap_ResearchAndDevelopmentExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentExpense" xlink:to="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xml:lang="en-US">Research and development</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets1" xlink:label="us-gaap_GainLossOnDispositionOfAssets1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnDispositionOfAssets1" xlink:to="us-gaap_GainLossOnDispositionOfAssets1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_GainLossOnDispositionOfAssets1_lbl" xml:lang="en-US">Loss on disposal of property and equipment</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US">(Loss) income from operations</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xml:lang="en-US">Other income (expense):</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestIncomeOther" xlink:label="us-gaap_InterestIncomeOther" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestIncomeOther" xlink:to="us-gaap_InterestIncomeOther_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestIncomeOther_lbl" xml:lang="en-US">Interest income</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestExpense" xlink:label="us-gaap_InterestExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpense" xlink:to="us-gaap_InterestExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_InterestExpense_lbl" xml:lang="en-US">Interest expense</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinancingInterestExpense" xlink:label="us-gaap_FinancingInterestExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingInterestExpense" xlink:to="us-gaap_FinancingInterestExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_FinancingInterestExpense_lbl" xml:lang="en-US">Interest expense-financing fees</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="us-gaap_OtherNonoperatingIncomeExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNonoperatingIncomeExpense" xlink:to="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xml:lang="en-US">Other</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:to="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xml:lang="en-US">Gain (loss) on extinguishment of debt (Note 10)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeconsolidationGainOrLossAmount" xlink:label="us-gaap_DeconsolidationGainOrLossAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeconsolidationGainOrLossAmount" xlink:to="us-gaap_DeconsolidationGainOrLossAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeconsolidationGainOrLossAmount_lbl" xml:lang="en-US">Loss on deconsolidation of subsidiary (Note 14)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xml:lang="en-US">(Loss) income from continuing operations before taxes</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefit" xlink:to="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Income tax benefit</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:to="us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US">Income from continuing operations, net of taxes</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_lbl" xml:lang="en-US">Loss from discontinued operations (Note 9)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfitLoss" xlink:to="us-gaap_ProfitLoss_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ProfitLoss_lbl" xml:lang="en-US">Net income</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:to="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US">Net loss attributable to non-controlling interest</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US">Net income attributable to Perma-Fix Environmental Services, Inc. common stockholders</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract" xlink:label="us-gaap_EarningsPerShareBasicAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasicAbstract" xlink:to="us-gaap_EarningsPerShareBasicAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareBasicAbstract_lbl" xml:lang="en-US">Net income (loss) per common share attributable to Perma-Fix Environmental Services, Inc. stockholders - basic:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:to="us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_lbl" xml:lang="en-US">Continuing operations</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_lbl" xml:lang="en-US">Discontinued operations</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasic" xlink:to="us-gaap_EarningsPerShareBasic_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xml:lang="en-US">Net income per common share</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract" xlink:label="us-gaap_EarningsPerShareDilutedAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareDilutedAbstract" xlink:to="us-gaap_EarningsPerShareDilutedAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareDilutedAbstract_lbl" xml:lang="en-US">Net income (loss) per common share attributable to Perma-Fix Environmental Services, Inc. stockholders - diluted:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_lbl" xml:lang="en-US">Continuing operations</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_lbl" xml:lang="en-US">Discontinued operations</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="us-gaap_EarningsPerShareDiluted" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareDiluted" xlink:to="us-gaap_EarningsPerShareDiluted_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xml:lang="en-US">Net income per common share</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl" xml:lang="en-US">Number of common shares used in computing net income (loss) per share:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xml:lang="en-US">Basic</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xml:lang="en-US">Diluted</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfitLoss" xlink:to="us-gaap_ProfitLoss_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProfitLoss_2_lbl" xml:lang="en-US">Net income</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_lbl" xml:lang="en-US">Other comprehensive income:</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ForeignCurrencyTranslationReclassToLossOnDeconsolidationOfSubsidiary" xlink:label="PESI_ForeignCurrencyTranslationReclassToLossOnDeconsolidationOfSubsidiary" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ForeignCurrencyTranslationReclassToLossOnDeconsolidationOfSubsidiary" xlink:to="PESI_ForeignCurrencyTranslationReclassToLossOnDeconsolidationOfSubsidiary_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ForeignCurrencyTranslationReclassToLossOnDeconsolidationOfSubsidiary_lbl" xml:lang="en-US">Foreign currency translation reclass to loss on deconsolidation of subsidiary (Note 14)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xml:lang="en-US">Foreign currency translation adjustments</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" xml:lang="en-US">Total other comprehensive income</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:to="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US">Comprehensive income</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:to="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_lbl" xml:lang="en-US">Comprehensive loss attributable to non-controlling interest</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xml:lang="en-US">Comprehensive income attributable to Perma-Fix Environmental Services, Inc. common stockholders</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementTable_lbl" xml:lang="en-US">Statement [Table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementLineItems_lbl" xml:lang="en-US">Statement [Line Items]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_2_lbl" xml:lang="en-US">Beginning balance, value</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharesIssued" xlink:label="us-gaap_SharesIssued" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_SharesIssued_lbl" xml:lang="en-US">Beginning balance, shares</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfitLoss" xlink:to="us-gaap_ProfitLoss_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProfitLoss_3_lbl" xml:lang="en-US">Net (loss) income</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_2_lbl" xml:lang="en-US">Foreign currency translation</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation" xlink:label="us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation" xlink:to="us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation_lbl" xml:lang="en-US">Deconsolidation of subsidiary (Note 14)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:label="us-gaap_StockIssuedDuringPeriodValueIssuedForServices" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:to="us-gaap_StockIssuedDuringPeriodValueIssuedForServices_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodValueIssuedForServices_lbl" xml:lang="en-US">Issuance of Common Stock for services</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" xlink:label="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" xlink:to="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_lbl" xml:lang="en-US">Issuance of Common Stock for services, shares</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xml:lang="en-US">Stock-Based Compensation</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl" xml:lang="en-US">Issuance of Common Stock upon exercise of options</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xml:lang="en-US">Issuance of Common Stock upon exercise of options, shares</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xml:lang="en-US">Sale of Common Stock, net of offering costs (Note 7)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xml:lang="en-US">Sale of Common Stock, net of offering costs, shares</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3_lbl" xml:lang="en-US">Ending balance, value</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesIssued" xlink:to="us-gaap_SharesIssued_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_SharesIssued_2_lbl" xml:lang="en-US">Ending balance, shares</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="us-gaap_StatementOfCashFlowsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xml:lang="en-US">Statement of Cash Flows [Abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US">Cash flows from operating activities:</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_2_lbl" xml:lang="en-US">Less: loss on discontinued operations (Note 9)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US">Adjustments to reconcile net income from continuing operations to cash (used in) provided by operating activities:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="us-gaap_DepreciationDepletionAndAmortization" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepreciationDepletionAndAmortization" xlink:to="us-gaap_DepreciationDepletionAndAmortization_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DepreciationDepletionAndAmortization_lbl" xml:lang="en-US">Depreciation and amortization</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_InterestOnFinanceLeaseWithPurchaseOption" xlink:label="PESI_InterestOnFinanceLeaseWithPurchaseOption" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_InterestOnFinanceLeaseWithPurchaseOption" xlink:to="PESI_InterestOnFinanceLeaseWithPurchaseOption_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_InterestOnFinanceLeaseWithPurchaseOption_lbl" xml:lang="en-US">Interest on finance lease with purchase option</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeconsolidationGainOrLossAmount" xlink:to="us-gaap_DeconsolidationGainOrLossAmount_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DeconsolidationGainOrLossAmount_2_lbl" xml:lang="en-US">Loss on deconsolidation of subsidiary (Note 14)</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:to="us-gaap_GainsLossesOnExtinguishmentOfDebt_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_2_lbl" xml:lang="en-US">(Gain) loss on extinguishment of debt (Note 10)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:to="us-gaap_AmortizationOfFinancingCostsAndDiscounts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts_lbl" xml:lang="en-US">Amortization of debt issuance/debt discount costs</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Deferred tax benefit</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ProvisionForRecoveryOfBadDebtReserves" xlink:label="PESI_ProvisionForRecoveryOfBadDebtReserves" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ProvisionForRecoveryOfBadDebtReserves" xlink:to="PESI_ProvisionForRecoveryOfBadDebtReserves_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ProvisionForRecoveryOfBadDebtReserves_lbl" xml:lang="en-US">Provision for (recovery of) bad debt reserves</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="us-gaap_GainLossOnDispositionOfAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnDispositionOfAssets" xlink:to="us-gaap_GainLossOnDispositionOfAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_GainLossOnDispositionOfAssets_lbl" xml:lang="en-US">Loss on disposal of property and equipment</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims" xlink:label="us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims" xlink:to="us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_lbl" xml:lang="en-US">Issuance of common stock for services</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensation" xlink:to="us-gaap_ShareBasedCompensation_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensation_lbl" xml:lang="en-US">Stock-based compensation</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xml:lang="en-US">Changes in operating assets and liabilities of continuing operations:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:to="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xml:lang="en-US">Accounts receivable</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_IncreaseDecreaseInUnbilledReceivable" xlink:label="PESI_IncreaseDecreaseInUnbilledReceivable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_IncreaseDecreaseInUnbilledReceivable" xlink:to="PESI_IncreaseDecreaseInUnbilledReceivable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="PESI_IncreaseDecreaseInUnbilledReceivable_lbl" xml:lang="en-US">Unbilled receivables</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:to="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xml:lang="en-US">Prepaid expenses, inventories and other assets</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_IncreaseDecreaseInAccountsPayableAccruedExpensesAndUnearnedRevenue" xlink:label="PESI_IncreaseDecreaseInAccountsPayableAccruedExpensesAndUnearnedRevenue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_IncreaseDecreaseInAccountsPayableAccruedExpensesAndUnearnedRevenue" xlink:to="PESI_IncreaseDecreaseInAccountsPayableAccruedExpensesAndUnearnedRevenue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_IncreaseDecreaseInAccountsPayableAccruedExpensesAndUnearnedRevenue_lbl" xml:lang="en-US">Accounts payable, accrued expenses and unearned revenue</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_lbl" xml:lang="en-US">Cash (used in) provided by continuing operations</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" xlink:label="us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" xlink:to="us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_lbl" xml:lang="en-US">Cash used in discontinued operations</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US">Cash (used in) provided by operating activities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US">Cash flows from investing activities:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xml:lang="en-US">Purchases of property and equipment (net)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:to="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" xml:lang="en-US">Proceeds from sale of property and equipment</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashDivestedFromDeconsolidation" xlink:label="us-gaap_CashDivestedFromDeconsolidation" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashDivestedFromDeconsolidation" xlink:to="us-gaap_CashDivestedFromDeconsolidation_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_CashDivestedFromDeconsolidation_lbl" xml:lang="en-US">Deconsolidation of subsidiary - cash</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_lbl" xml:lang="en-US">Cash used in investing activities of continuing operations</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations" xlink:label="us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations" xlink:to="us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_lbl" xml:lang="en-US">Cash provided by investing activities of discontinued operations</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xml:lang="en-US">Cash used in investing activities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US">Cash flows from financing activities:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="us-gaap_ProceedsFromLinesOfCredit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromLinesOfCredit" xlink:to="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xml:lang="en-US">Borrowing on revolving credit</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="us-gaap_RepaymentsOfLinesOfCredit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfLinesOfCredit" xlink:to="us-gaap_RepaymentsOfLinesOfCredit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_RepaymentsOfLinesOfCredit_lbl" xml:lang="en-US">Repayments of revolving credit borrowings</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:to="us-gaap_ProceedsFromIssuanceOfLongTermDebt_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt_lbl" xml:lang="en-US">Proceeds from issuance of long-term debt</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeasePrincipalPayments" xlink:label="us-gaap_FinanceLeasePrincipalPayments" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeasePrincipalPayments" xlink:to="us-gaap_FinanceLeasePrincipalPayments_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_FinanceLeasePrincipalPayments_lbl" xml:lang="en-US">Principal repayment of finance lease liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="us-gaap_RepaymentsOfLongTermDebt" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfLongTermDebt" xlink:to="us-gaap_RepaymentsOfLongTermDebt_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xml:lang="en-US">Principal repayments of long term debt</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDebtIssuanceCosts" xlink:to="us-gaap_PaymentsOfDebtIssuanceCosts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts_lbl" xml:lang="en-US">Payment of debt issuance costs</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xml:lang="en-US">Proceeds from sale of Common Stock, net of offering costs paid (Note 7)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="us-gaap_ProceedsFromStockOptionsExercised" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromStockOptionsExercised" xlink:to="us-gaap_ProceedsFromStockOptionsExercised_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_lbl" xml:lang="en-US">Proceeds from issuance of Common Stock upon exercise of options</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xml:lang="en-US">Cash provided by financing activities of continuing operations</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:to="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xml:lang="en-US">Effect of exchange rate changes on cash</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xml:lang="en-US">(Decrease) increase in cash and finite risk sinking fund (restricted cash) (Note 2)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xml:lang="en-US">Cash and finite risk sinking fund (restricted cash) at beginning of period (Note 2)</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_2_lbl" xml:lang="en-US">Cash and finite risk sinking fund (restricted cash) at end of period (Note 2)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xml:lang="en-US">Supplemental disclosure:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="us-gaap_InterestPaidNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPaidNet" xlink:to="us-gaap_InterestPaidNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestPaidNet_lbl" xml:lang="en-US">Interest paid</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxesPaid" xlink:label="us-gaap_IncomeTaxesPaid" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxesPaid" xlink:to="us-gaap_IncomeTaxesPaid_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxesPaid_lbl" xml:lang="en-US">Income taxes paid</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NoncashInvestingAndFinancingItemsAbstract" xlink:label="us-gaap_NoncashInvestingAndFinancingItemsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoncashInvestingAndFinancingItemsAbstract" xlink:to="us-gaap_NoncashInvestingAndFinancingItemsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NoncashInvestingAndFinancingItemsAbstract_lbl" xml:lang="en-US">Non-cash investing and financing activities:</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_EquipmentPurchaseSubjectToFinanceLease" xlink:label="PESI_EquipmentPurchaseSubjectToFinanceLease" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_EquipmentPurchaseSubjectToFinanceLease" xlink:to="PESI_EquipmentPurchaseSubjectToFinanceLease_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_EquipmentPurchaseSubjectToFinanceLease_lbl" xml:lang="en-US">Equipment purchase subject to finance lease</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_EquipmentPurchaseSubjectToFinancing" xlink:label="PESI_EquipmentPurchaseSubjectToFinancing" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_EquipmentPurchaseSubjectToFinancing" xlink:to="PESI_EquipmentPurchaseSubjectToFinancing_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_EquipmentPurchaseSubjectToFinancing_lbl" xml:lang="en-US">Equipment purchase subject to financing</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="us-gaap_AccountingPoliciesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_AccountingPoliciesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xml:lang="en-US">Accounting Policies [Abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xlink:label="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xlink:to="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_lbl" xml:lang="en-US">DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SignificantAccountingPoliciesTextBlock" xlink:to="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xml:lang="en-US">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract" xlink:label="us-gaap_RevenueFromContractWithCustomerAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueFromContractWithCustomerAbstract" xlink:to="us-gaap_RevenueFromContractWithCustomerAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenueFromContractWithCustomerAbstract_lbl" xml:lang="en-US">Revenue from Contract with Customer [Abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:to="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl" xml:lang="en-US">REVENUE</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DisclosureLeasesAbstract" xlink:label="PESI_DisclosureLeasesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisclosureLeasesAbstract" xlink:to="PESI_DisclosureLeasesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DisclosureLeasesAbstract_lbl" xml:lang="en-US">Leases</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_LesseeOperatingAndFinanceLeasesTextBlock" xlink:label="PESI_LesseeOperatingAndFinanceLeasesTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LesseeOperatingAndFinanceLeasesTextBlock" xlink:to="PESI_LesseeOperatingAndFinanceLeasesTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_LesseeOperatingAndFinanceLeasesTextBlock_lbl" xml:lang="en-US">LEASES</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:to="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_lbl" xml:lang="en-US">Goodwill and Intangible Assets Disclosure [Abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IntangibleAssetsDisclosureTextBlock" xlink:label="us-gaap_IntangibleAssetsDisclosureTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntangibleAssetsDisclosureTextBlock" xlink:to="us-gaap_IntangibleAssetsDisclosureTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IntangibleAssetsDisclosureTextBlock_lbl" xml:lang="en-US">PERMIT AND OTHER INTANGIBLE ASSETS</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl" xml:lang="en-US">Share-based Payment Arrangement [Abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:to="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xml:lang="en-US">CAPITAL STOCK, STOCK PLANS, WARRANTS AND STOCK BASED COMPENSATION</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xlink:to="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_lbl" xml:lang="en-US">SCHEDULE OF SHARE-BASED COMPENSATION, ALLOCATION OF RECOGNIZED PERIOD COSTS</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock" xlink:label="us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock" xlink:to="us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock_lbl" xml:lang="en-US">SCHEDULE OF STOCK OPTIONS ROLL FORWARD</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ScheduleOfNonVestedOptionsTableTextBlock" xlink:label="PESI_ScheduleOfNonVestedOptionsTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ScheduleOfNonVestedOptionsTableTextBlock" xlink:to="PESI_ScheduleOfNonVestedOptionsTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ScheduleOfNonVestedOptionsTableTextBlock_lbl" xml:lang="en-US">SCHEDULE OF NON VESTED OPTIONS</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:to="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xml:lang="en-US">SCHEDULE OF EARNINGS PER SHARE, BASIC AND DILUTED</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DisposalGroupsIncludingDiscontinuedOperationBalanceSheetTableTextBlock" xlink:label="PESI_DisposalGroupsIncludingDiscontinuedOperationBalanceSheetTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisposalGroupsIncludingDiscontinuedOperationBalanceSheetTableTextBlock" xlink:to="PESI_DisposalGroupsIncludingDiscontinuedOperationBalanceSheetTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DisposalGroupsIncludingDiscontinuedOperationBalanceSheetTableTextBlock_lbl" xml:lang="en-US">SCHEDULE OF DISPOSAL GROUPS, INCLUDING DISCONTINUED OPERATION BALANCE SHEET</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock" xlink:label="us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock" xlink:to="us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_lbl" xml:lang="en-US">SCHEDULE OF CURRENT AND LONG TERM ACCRUED ENVIRONMENTAL LIABILITY</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:label="us-gaap_ScheduleOfDebtInstrumentsTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:to="us-gaap_ScheduleOfDebtInstrumentsTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfDebtInstrumentsTextBlock_lbl" xml:lang="en-US">SCHEDULE OF LONG TERM DEBT</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:label="us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:to="us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_lbl" xml:lang="en-US">SCHEDULE OF MATURITIES OF LONG-TERM DEBT</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock" xlink:label="us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock" xlink:to="us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock_lbl" xml:lang="en-US">SCHEDULE OF ACCRUED EXPENSES</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlock" xlink:label="us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlock" xlink:to="us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlock_lbl" xml:lang="en-US">SCHEDULE OF CHANGE IN ASSET RETIREMENT OBLIGATION</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ScheduleOfAssetRetirementObligationTableTextBlock" xlink:label="PESI_ScheduleOfAssetRetirementObligationTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ScheduleOfAssetRetirementObligationTableTextBlock" xlink:to="PESI_ScheduleOfAssetRetirementObligationTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ScheduleOfAssetRetirementObligationTableTextBlock_lbl" xml:lang="en-US">SCHEDULE OF ASSET RETIREMENT OBLIGATIONS</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock" xlink:label="us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock" xlink:to="us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_lbl" xml:lang="en-US">SCHEDULE OF INCOME (LOSS) BEFORE INCOME TAX (BENEFIT) EXPENSE</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:to="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xml:lang="en-US">SCHEDULE OF COMPONENTS OF INCOME TAX (BENEFIT) EXPENSE</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:to="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xml:lang="en-US">SCHEDULE OF EFFECTIVE INCOME TAX RATE RECONCILIATION</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:to="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xml:lang="en-US">SCHEDULE OF DEFERRED TAX ASSETS AND LIABILITIES</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ScheduleOfLossOnDeconsolidationTableTextBlock" xlink:label="PESI_ScheduleOfLossOnDeconsolidationTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ScheduleOfLossOnDeconsolidationTableTextBlock" xlink:to="PESI_ScheduleOfLossOnDeconsolidationTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ScheduleOfLossOnDeconsolidationTableTextBlock_lbl" xml:lang="en-US">SCHEDULE OF LOSS ON DECONSOLIDATION</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xml:lang="en-US">SCHEDULE OF SEGMENT REPORTING INFORMATION</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock" xlink:label="us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock" xlink:to="us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock_lbl" xml:lang="en-US">SCHEDULE OF REVENUE BY MAJOR CUSTOMERS BY REPORTING SEGMENTS</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromExternalCustomersByGeographicAreasTableTextBlock" xlink:label="us-gaap_RevenueFromExternalCustomersByGeographicAreasTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueFromExternalCustomersByGeographicAreasTableTextBlock" xlink:to="us-gaap_RevenueFromExternalCustomersByGeographicAreasTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenueFromExternalCustomersByGeographicAreasTableTextBlock_lbl" xml:lang="en-US">SCHEDULE OF REVENUE BASED ON CUSTOMER LOCATION</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:to="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl" xml:lang="en-US">Equity Method Investment, Ownership Percentage</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_SalesOfInterestPercentage" xlink:label="PESI_SalesOfInterestPercentage" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_SalesOfInterestPercentage" xlink:to="PESI_SalesOfInterestPercentage_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_SalesOfInterestPercentage_lbl" xml:lang="en-US">Sale of interest in subsidiaries</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_2_lbl" xml:lang="en-US">Proceeds from issuance of common stock</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_2_lbl" xml:lang="en-US">Shares issued during period, new issue</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl" xml:lang="en-US">Line of credit, borrowing capacity</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Cash" xlink:label="us-gaap_Cash" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Cash" xlink:to="us-gaap_Cash_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Cash_lbl" xml:lang="en-US">Cash on hand</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:to="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_2_lbl" xml:lang="en-US">Allowance for doubtful accounts - beginning of year</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesProvision" xlink:label="PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesProvision" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesProvision" xlink:to="PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesProvision_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesProvision_lbl" xml:lang="en-US">Provision for (recovery of) bad debt reserve</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff" xlink:label="PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff" xlink:to="PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff_lbl" xml:lang="en-US">(Write-off) recovery of write-off</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:to="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_3_lbl" xml:lang="en-US">Allowance for doubtful accounts - end of year</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfProductInformationTable" xlink:label="us-gaap_ScheduleOfProductInformationTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfProductInformationTable" xlink:to="us-gaap_ScheduleOfProductInformationTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfProductInformationTable_lbl" xml:lang="en-US">Schedule of Product Information [Table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProductInformationLineItems" xlink:label="us-gaap_ProductInformationLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductInformationLineItems" xlink:to="us-gaap_ProductInformationLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProductInformationLineItems_lbl" xml:lang="en-US">Product Information [Line Items]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedCashNoncurrent" xlink:to="us-gaap_RestrictedCashNoncurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_RestrictedCashNoncurrent_2_lbl" xml:lang="en-US">Finite risk sinking fund</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xml:lang="en-US">Property, plant and equipment, useful life</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization" xlink:to="us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_lbl" xml:lang="en-US">Finance leases assets recorded</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization" xlink:to="us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization_lbl" xml:lang="en-US">Finance leases accumulated depreciation</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_FixedAssetsOfFinanceLease" xlink:label="PESI_FixedAssetsOfFinanceLease" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_FixedAssetsOfFinanceLease" xlink:to="PESI_FixedAssetsOfFinanceLease_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_FixedAssetsOfFinanceLease_lbl" xml:lang="en-US">Finance leases net fixed asset</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Depreciation" xlink:label="us-gaap_Depreciation" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Depreciation" xlink:to="us-gaap_Depreciation_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Depreciation_lbl" xml:lang="en-US">Depreciation</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:to="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_2_lbl" xml:lang="en-US">Revenue</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="us-gaap_ConcentrationRiskPercentage1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskPercentage1" xlink:to="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xml:lang="en-US">Concentration Risk, Percentage</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PercentageOfRevenueRecognized" xlink:label="PESI_PercentageOfRevenueRecognized" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PercentageOfRevenueRecognized" xlink:to="PESI_PercentageOfRevenueRecognized_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PercentageOfRevenueRecognized_lbl" xml:lang="en-US">Percentage of revenue recognized</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueTable" xlink:label="us-gaap_DisaggregationOfRevenueTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisaggregationOfRevenueTable" xlink:to="us-gaap_DisaggregationOfRevenueTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DisaggregationOfRevenueTable_lbl" xml:lang="en-US">Disaggregation of Revenue [Table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems" xlink:label="us-gaap_DisaggregationOfRevenueLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="us-gaap_DisaggregationOfRevenueLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DisaggregationOfRevenueLineItems_lbl" xml:lang="en-US">Disaggregation of Revenue [Line Items]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xml:lang="en-US">Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableNetCurrent" xlink:to="us-gaap_AccountsReceivableNetCurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AccountsReceivableNetCurrent_2_lbl" xml:lang="en-US">Account receivables, net of allowance</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease" xlink:to="us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease_lbl" xml:lang="en-US">Change in account receivable, net of allowances</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ChangesInAccountReceivablesNetOfAllowancePercentage" xlink:label="PESI_ChangesInAccountReceivablesNetOfAllowancePercentage" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ChangesInAccountReceivablesNetOfAllowancePercentage" xlink:to="PESI_ChangesInAccountReceivablesNetOfAllowancePercentage_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ChangesInAccountReceivablesNetOfAllowancePercentage_lbl" xml:lang="en-US">Changes in account receivables, net of allowances, percentage</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnbilledReceivablesCurrent" xlink:to="us-gaap_UnbilledReceivablesCurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_UnbilledReceivablesCurrent_2_lbl" xml:lang="en-US">Unbilled receivables - current</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_IncreaseDecreaseInUnbilledReceivable" xlink:to="PESI_IncreaseDecreaseInUnbilledReceivable_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_IncreaseDecreaseInUnbilledReceivable_2_lbl" xml:lang="en-US">Changes in unbilled receivables - current</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ChangeInUnbilledReceivablesCurrentPercentage" xlink:label="PESI_ChangeInUnbilledReceivablesCurrentPercentage" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ChangeInUnbilledReceivablesCurrentPercentage" xlink:to="PESI_ChangeInUnbilledReceivablesCurrentPercentage_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ChangeInUnbilledReceivablesCurrentPercentage_lbl" xml:lang="en-US">Changes in unbilled receivables - current, percentage</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability" xlink:label="us-gaap_IncreaseDecreaseInContractWithCustomerLiability" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInContractWithCustomerLiability" xlink:to="us-gaap_IncreaseDecreaseInContractWithCustomerLiability_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInContractWithCustomerLiability_lbl" xml:lang="en-US">Changes in deferred revenue</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ChangesInDeferredRevenuePercentage" xlink:label="PESI_ChangesInDeferredRevenuePercentage" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ChangesInDeferredRevenuePercentage" xlink:to="PESI_ChangesInDeferredRevenuePercentage_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ChangesInDeferredRevenuePercentage_lbl" xml:lang="en-US">Changes in deferred revenue, percentage</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:label="us-gaap_ContractWithCustomerLiabilityRevenueRecognized" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:to="us-gaap_ContractWithCustomerLiabilityRevenueRecognized_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ContractWithCustomerLiabilityRevenueRecognized_lbl" xml:lang="en-US">Revenue recognized</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisclosureLeasesAbstract" xlink:to="PESI_DisclosureLeasesAbstract_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="PESI_DisclosureLeasesAbstract_2_lbl" xml:lang="en-US">Schedule Of Components Of Lease Cost</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseCost" xlink:label="us-gaap_OperatingLeaseCost" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseCost" xlink:to="us-gaap_OperatingLeaseCost_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseCost_lbl" xml:lang="en-US">Lease cost</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseRightOfUseAssetAmortization" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetAmortization" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseRightOfUseAssetAmortization" xlink:to="us-gaap_FinanceLeaseRightOfUseAssetAmortization_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetAmortization_lbl" xml:lang="en-US">Amortization of ROU assets</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseInterestExpense" xlink:label="us-gaap_FinanceLeaseInterestExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseInterestExpense" xlink:to="us-gaap_FinanceLeaseInterestExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseInterestExpense_lbl" xml:lang="en-US">Interest on lease liability</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_FinanceLease" xlink:label="PESI_FinanceLease" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_FinanceLease" xlink:to="PESI_FinanceLease_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="PESI_FinanceLease_lbl" xml:lang="en-US">&#160;Finance leases cost</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShortTermLeaseCost" xlink:label="us-gaap_ShortTermLeaseCost" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermLeaseCost" xlink:to="us-gaap_ShortTermLeaseCost_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShortTermLeaseCost_lbl" xml:lang="en-US">Short-term lease rent expense</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeaseCost" xlink:label="us-gaap_LeaseCost" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseCost" xlink:to="us-gaap_LeaseCost_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LeaseCost_lbl" xml:lang="en-US">Total lease cost</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisclosureLeasesAbstract" xlink:to="PESI_DisclosureLeasesAbstract_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="PESI_DisclosureLeasesAbstract_3_lbl" xml:lang="en-US">Schedule Of Weighted Average Lease</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:to="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" xml:lang="en-US">Operating leases, weighted average remaining lease terms (years)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1" xlink:label="us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1" xlink:to="us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_lbl" xml:lang="en-US">Finance leases, weighted average remaining lease terms (years)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:to="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xml:lang="en-US">Operating leases, weighted average discount rate</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent" xlink:label="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent" xlink:to="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_lbl" xml:lang="en-US">Finance leases, weighted average discount rate</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xml:lang="en-US">Operating Leases 2022</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xml:lang="en-US">Finance Leases 2022</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl" xml:lang="en-US">Operating Leases 2023</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_lbl" xml:lang="en-US">Finance Leases 2023</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_lbl" xml:lang="en-US">Operating Leases 2024</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_lbl" xml:lang="en-US">Finance Leases 2024</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_lbl" xml:lang="en-US">Operating Leases 2025</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_lbl" xml:lang="en-US">Finance Leases 2025</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_lbl" xml:lang="en-US">Operating Leases 2026</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_lbl" xml:lang="en-US">Finance Leases 2026</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_lbl" xml:lang="en-US">Operating Leases 2027 and thereafter</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_lbl" xml:lang="en-US">2027 and thereafter Finance Leases</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl" xml:lang="en-US">Operating Leases Total undiscounted lease payments</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDue" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDue_lbl" xml:lang="en-US">Finance Leases Total undiscounted lease payments</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl" xml:lang="en-US">Operating Leases Less: Imputed interest</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount" xlink:label="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount" xlink:to="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_lbl" xml:lang="en-US">Finance Leases Less: Imputed interest</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:label="us-gaap_OperatingLeaseLiability" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiability" xlink:to="us-gaap_OperatingLeaseLiability_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xml:lang="en-US">Operating Leases Present value of lease payments</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseLiability" xlink:label="us-gaap_FinanceLeaseLiability" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiability" xlink:to="us-gaap_FinanceLeaseLiability_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseLiability_lbl" xml:lang="en-US">Finance Leases Present value of lease payments</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityCurrent" xlink:to="us-gaap_OperatingLeaseLiabilityCurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_2_lbl" xml:lang="en-US">Current portion of operating lease obligations</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:to="us-gaap_OperatingLeaseLiabilityNoncurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_2_lbl" xml:lang="en-US">Long-term operating lease obligations, less current portion</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityCurrent" xlink:to="us-gaap_FinanceLeaseLiabilityCurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FinanceLeaseLiabilityCurrent_2_lbl" xml:lang="en-US">Current portion of finance lease obligations</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityNoncurrent" xlink:to="us-gaap_FinanceLeaseLiabilityNoncurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrent_2_lbl" xml:lang="en-US">Long-term finance lease obligations, less current portion</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeasePayments" xlink:label="us-gaap_OperatingLeasePayments" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasePayments" xlink:to="us-gaap_OperatingLeasePayments_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasePayments_lbl" xml:lang="en-US">Operating cash flow from operating leases</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseInterestExpense" xlink:to="us-gaap_FinanceLeaseInterestExpense_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FinanceLeaseInterestExpense_2_lbl" xml:lang="en-US">Operating cash flow from finance leases</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeasePrincipalPayments" xlink:to="us-gaap_FinanceLeasePrincipalPayments_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeasePrincipalPayments_2_lbl" xml:lang="en-US">Financing cash flow from finance leases</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability" xlink:to="us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_lbl" xml:lang="en-US">Finance liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:to="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl" xml:lang="en-US">Operating liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ReductionToRightOfUseAssetsForFinanceLeaseLiability" xlink:label="PESI_ReductionToRightOfUseAssetsForFinanceLeaseLiability" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ReductionToRightOfUseAssetsForFinanceLeaseLiability" xlink:to="PESI_ReductionToRightOfUseAssetsForFinanceLeaseLiability_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="PESI_ReductionToRightOfUseAssetsForFinanceLeaseLiability_lbl" xml:lang="en-US">Finance liabilities</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_Permits" xlink:to="PESI_Permits_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="PESI_Permits_2_lbl" xml:lang="en-US">Permits, beginning balance</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PermitInProgress" xlink:label="PESI_PermitInProgress" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PermitInProgress" xlink:to="PESI_PermitInProgress_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PermitInProgress_lbl" xml:lang="en-US">Permits in progress</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PermitRenewal" xlink:label="PESI_PermitRenewal" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PermitRenewal" xlink:to="PESI_PermitRenewal_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PermitRenewal_lbl" xml:lang="en-US">Permit renewal</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_Permits" xlink:to="PESI_Permits_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="PESI_Permits_3_lbl" xml:lang="en-US">Permits, ending balance</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:to="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_lbl" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets [Table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" xml:lang="en-US">Finite-Lived Intangible Assets [Line Items]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_lbl" xml:lang="en-US">Weighted Average Amortization Period (Years)</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xml:lang="en-US">Gross Carrying Amount</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xml:lang="en-US">Accumulated Amortization</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xml:lang="en-US">Net Carrying Amount</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xml:lang="en-US">2022</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xml:lang="en-US">2023</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xml:lang="en-US">2024</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xml:lang="en-US">2025</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xml:lang="en-US">2026</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="us-gaap_AmortizationOfIntangibleAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfIntangibleAssets" xlink:to="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xml:lang="en-US">Amortization expense of intangible asset</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice_lbl" xml:lang="en-US">Weighted-average fair value per option</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xml:lang="en-US">Risk -free interest rate</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xml:lang="en-US">Expected volatility of stock</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xml:lang="en-US">Dividend yield</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xml:lang="en-US">Expected option life</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensation" xlink:to="us-gaap_ShareBasedCompensation_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensation_2_lbl" xml:lang="en-US">Total</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossTable" xlink:label="us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossTable" xlink:to="us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossTable_lbl" xml:lang="en-US">Debt Securities, Held-to-maturity, Allowance for Credit Loss [Table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtSecuritiesHeldtomaturityAllowanceForCreditLossLineItems" xlink:label="us-gaap_DebtSecuritiesHeldtomaturityAllowanceForCreditLossLineItems" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtSecuritiesHeldtomaturityAllowanceForCreditLossLineItems_lbl" xml:lang="en-US">Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xml:lang="en-US">Shares Options Outstanding Beginning</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xml:lang="en-US">Weighted Average Exercise Price Options Outstanding Beginning</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xml:lang="en-US">Shares Options Granted</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Weighted Average Exercise Price Options Granted</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_2_lbl" xml:lang="en-US">Shares Options Exercised</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Weighted Average Exercise Price Options Exercised</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl" xml:lang="en-US">Aggregate Intrinsic Value Options Exercised</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xml:lang="en-US">Shares Options Forfeited/expired</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Weighted Average Exercise Price Options Forfeited/expired</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_2_lbl" xml:lang="en-US">Shares Options Outstanding Ending</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_2_lbl" xml:lang="en-US">Weighted Average Exercise Price Options Outstanding Ending</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xml:lang="en-US">Weighted Average Remaining Contractual Term (years) Outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xml:lang="en-US">Aggregate Intrinsic Value Options Outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xml:lang="en-US">Shares Options Exercisable</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xml:lang="en-US">Weighted Average Exercise Price Options Exercisable</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_lbl" xml:lang="en-US">Weighted Average Remaining Contractual Term (years) Exercisable</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_lbl" xml:lang="en-US">Aggregate Intrinsic Value Options Exercisable</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_lbl" xml:lang="en-US">Stock option exercise price per share lower limit</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_lbl" xml:lang="en-US">Stock option exercise price per share upper limit</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_lbl" xml:lang="en-US">Shares non vested options, beginning</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US">Weighted average grant date fair value non vested options, beginning</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_2_lbl" xml:lang="en-US">Shares non vested options, granted</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US">Weighted average grant date fair value non vested options, granted</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_lbl" xml:lang="en-US">Shares non vested options, vested</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US">Weighted average grant date fair value non vested options, Vested</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares_lbl" xml:lang="en-US">Shares non vested options, forfeited</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US">Weighted average grant date fair value non vested options, forfeited</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_2_lbl" xml:lang="en-US">Shares non vested options, ending</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_2_lbl" xml:lang="en-US">Weighted average grant date fair value non vested options, ending</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xml:lang="en-US">Shares remaining available for issuance</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xml:lang="en-US">Stock options granted vesting period</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_lbl" xml:lang="en-US">Vesting percentage</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PercentageOfDirectorsFeesDescription" xlink:label="PESI_PercentageOfDirectorsFeesDescription" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PercentageOfDirectorsFeesDescription" xlink:to="PESI_PercentageOfDirectorsFeesDescription_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PercentageOfDirectorsFeesDescription_lbl" xml:lang="en-US">Percentage of directors fees, description</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xml:lang="en-US">Number of shares available for issuance</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription_lbl" xml:lang="en-US">Stock option granted, description</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_3_lbl" xml:lang="en-US">Number of stock option shares granted</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_2_lbl" xml:lang="en-US">Stock options, exercise price</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate_lbl" xml:lang="en-US">Stock options, expiration date</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_2_lbl" xml:lang="en-US">Stock options granted contractual term</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights_lbl" xml:lang="en-US">Vesting, description</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice_lbl" xml:lang="en-US">Exercise price</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:to="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_3_lbl" xml:lang="en-US">Issuance of common stock from cashless exercise</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromStockOptionsExercised" xlink:to="us-gaap_ProceedsFromStockOptionsExercised_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_2_lbl" xml:lang="en-US">Proceeds from exercise of stock options</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_3_lbl" xml:lang="en-US">Issuance of common stock from cashless exercise</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xml:lang="en-US">Unrecognized compensation cost related to unvested options consultant</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_WeightedAverageTermForUnrecognizedAndUnvestedOptionToBeRecognized" xlink:label="PESI_WeightedAverageTermForUnrecognizedAndUnvestedOptionToBeRecognized" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_WeightedAverageTermForUnrecognizedAndUnvestedOptionToBeRecognized" xlink:to="PESI_WeightedAverageTermForUnrecognizedAndUnvestedOptionToBeRecognized_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_WeightedAverageTermForUnrecognizedAndUnvestedOptionToBeRecognized_lbl" xml:lang="en-US">Weighted average term for unrecognized and unvested option to be recognized</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_OptionsToPurchaseSharesOfCommonStock" xlink:label="PESI_OptionsToPurchaseSharesOfCommonStock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_OptionsToPurchaseSharesOfCommonStock" xlink:to="PESI_OptionsToPurchaseSharesOfCommonStock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_OptionsToPurchaseSharesOfCommonStock_lbl" xml:lang="en-US">Options to purchase shares</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_3_lbl" xml:lang="en-US">Remaining stock option</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LoansPayable" xlink:label="us-gaap_LoansPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoansPayable" xlink:to="us-gaap_LoansPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LoansPayable_lbl" xml:lang="en-US">Loans payable</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:to="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xml:lang="en-US">Warrant to purchase</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xml:lang="en-US">Warrants exercise price</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_WarrantExercisableDescription" xlink:label="PESI_WarrantExercisableDescription" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_WarrantExercisableDescription" xlink:to="PESI_WarrantExercisableDescription_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_WarrantExercisableDescription_lbl" xml:lang="en-US">Warrant exercisable, description</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" xlink:to="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_2_lbl" xml:lang="en-US">Stock issued during period for services, shares</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllocatedShareBasedCompensationExpense" xlink:to="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xml:lang="en-US">Allocated share-based compensation expense</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:to="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_lbl" xml:lang="en-US">Number of sale shares issuance</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:label="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:to="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl" xml:lang="en-US">Number of common shares reserved for future issuance</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:label="us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:to="us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable_lbl" xml:lang="en-US">Collaborative Arrangement and Arrangement Other than Collaborative [Table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:label="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_lbl" xml:lang="en-US">Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:to="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_2_lbl" xml:lang="en-US">Shares issued, shares</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockPricePerShare" xlink:label="us-gaap_SaleOfStockPricePerShare" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SaleOfStockPricePerShare" xlink:to="us-gaap_SaleOfStockPricePerShare_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SaleOfStockPricePerShare_lbl" xml:lang="en-US">Purchase price per share</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_3_lbl" xml:lang="en-US">Proceeds issuance common stock</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_CashFee" xlink:label="PESI_CashFee" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CashFee" xlink:to="PESI_CashFee_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_CashFee_lbl" xml:lang="en-US">Cash fee</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PaymentsToOffering" xlink:label="PESI_PaymentsToOffering" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PaymentsToOffering" xlink:to="PESI_PaymentsToOffering_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PaymentsToOffering_lbl" xml:lang="en-US">Payment for offering</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_OfferingCostThreshold" xlink:label="PESI_OfferingCostThreshold" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_OfferingCostThreshold" xlink:to="PESI_OfferingCostThreshold_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_OfferingCostThreshold_lbl" xml:lang="en-US">Offering cost</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromIssuanceOfPrivatePlacement" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfPrivatePlacement" xlink:to="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_lbl" xml:lang="en-US">Proceeds from offering</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_OfferingCostPaid" xlink:label="PESI_OfferingCostPaid" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_OfferingCostPaid" xlink:to="PESI_OfferingCostPaid_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_OfferingCostPaid_lbl" xml:lang="en-US">Offering cost paid</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredOfferingCosts" xlink:label="us-gaap_DeferredOfferingCosts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredOfferingCosts" xlink:to="us-gaap_DeferredOfferingCosts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredOfferingCosts_lbl" xml:lang="en-US">Offering costs</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:to="us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_2_lbl" xml:lang="en-US">Income from continuing operations, net of taxes</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="us-gaap_IncomeLossFromContinuingOperations" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperations" xlink:to="us-gaap_IncomeLossFromContinuingOperations_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeLossFromContinuingOperations_lbl" xml:lang="en-US">Income from continuing operations attributable to Perma-Fix Environmental Services, Inc. common stockholders</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_3_lbl" xml:lang="en-US">Loss from discontinuing operations attributable to Perma-Fix Environmental Services, Inc. common stockholders</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLoss_2_lbl" xml:lang="en-US">Net income attributable to Perma-Fix Environmental Services, Inc. common stockholders</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasic" xlink:to="us-gaap_EarningsPerShareBasic_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EarningsPerShareBasic_2_lbl" xml:lang="en-US">Basic income per share attributable to Perma-Fix Environmental Services, Inc. common stockholders</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareDiluted" xlink:to="us-gaap_EarningsPerShareDiluted_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareDiluted_2_lbl" xml:lang="en-US">Diluted income per share attributable to Perma-Fix Environmental Services, Inc. common stockholders</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2_lbl" xml:lang="en-US">Basic weighted average shares outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:to="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_lbl" xml:lang="en-US">Add: dilutive effect of stock options</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants" xlink:label="us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants" xlink:to="us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants_lbl" xml:lang="en-US">Add: dilutive effect of warrants</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_2_lbl" xml:lang="en-US">Diluted weighted average shares outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xml:lang="en-US">Stock options</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_AntidilutiveSecuritiesOfWarrantsExcludedFromComputationOfEarningsPerShareAmount" xlink:label="PESI_AntidilutiveSecuritiesOfWarrantsExcludedFromComputationOfEarningsPerShareAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AntidilutiveSecuritiesOfWarrantsExcludedFromComputationOfEarningsPerShareAmount" xlink:to="PESI_AntidilutiveSecuritiesOfWarrantsExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_AntidilutiveSecuritiesOfWarrantsExcludedFromComputationOfEarningsPerShareAmount_lbl" xml:lang="en-US">Warrant</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale" xlink:to="PESI_DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale_lbl" xml:lang="en-US">Other assets</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale" xlink:label="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale" xlink:to="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale_lbl" xml:lang="en-US">Total current assets</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent" xlink:to="PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent_lbl" xml:lang="en-US">Property, plant and equipment, net</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent" xlink:to="PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent_lbl" xml:lang="en-US">Total long-term assets</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale" xlink:to="PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale_lbl" xml:lang="en-US">Total assets</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale" xlink:to="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale_lbl" xml:lang="en-US">Accounts payable</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities" xlink:to="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities_lbl" xml:lang="en-US">Accrued expenses and other liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities" xlink:to="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities_lbl" xml:lang="en-US">Environmental liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale" xlink:to="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale_lbl" xml:lang="en-US">Total current liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale" xlink:to="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale_lbl" xml:lang="en-US">Closure liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities" xlink:to="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities_lbl" xml:lang="en-US">Environmental liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale" xlink:to="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale_lbl" xml:lang="en-US">Total long-term liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale" xlink:to="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale_lbl" xml:lang="en-US">Total liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization" xlink:to="us-gaap_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization_lbl" xml:lang="en-US">Accumulated depreciation</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccruedEnvironmentalLossContingenciesCurrent" xlink:label="us-gaap_AccruedEnvironmentalLossContingenciesCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedEnvironmentalLossContingenciesCurrent" xlink:to="us-gaap_AccruedEnvironmentalLossContingenciesCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedEnvironmentalLossContingenciesCurrent_lbl" xml:lang="en-US">Current Accrual</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent" xlink:label="us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent" xlink:to="us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent_lbl" xml:lang="en-US">Long-term Accrual</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingencies" xlink:label="us-gaap_AccrualForEnvironmentalLossContingencies" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForEnvironmentalLossContingencies" xlink:to="us-gaap_AccrualForEnvironmentalLossContingencies_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccrualForEnvironmentalLossContingencies_lbl" xml:lang="en-US">Total</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_4_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_4_lbl" xml:lang="en-US">Loss from discontinued operations</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal" xlink:label="us-gaap_DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal" xlink:to="us-gaap_DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal_lbl" xml:lang="en-US">Tax effect of discontinued operation</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation" xlink:label="us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation" xlink:to="us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_lbl" xml:lang="en-US">Tax effect of discontinued operation</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease" xlink:to="us-gaap_AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease_lbl" xml:lang="en-US">Increase (decrease) in environmental liability</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForEnvironmentalLossContingencies" xlink:to="us-gaap_AccrualForEnvironmentalLossContingencies_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AccrualForEnvironmentalLossContingencies_2_lbl" xml:lang="en-US">Accrued environmental remediation liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesPayments1" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesPayments1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForEnvironmentalLossContingenciesPayments1" xlink:to="us-gaap_AccrualForEnvironmentalLossContingenciesPayments1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesPayments1_lbl" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Payments</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedEnvironmentalLossContingenciesCurrent" xlink:to="us-gaap_AccruedEnvironmentalLossContingenciesCurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AccruedEnvironmentalLossContingenciesCurrent_2_lbl" xml:lang="en-US">Accrued environmental liabilities, current</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentTable_lbl" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebt" xlink:label="us-gaap_LongTermDebt" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_LongTermDebt_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebt_lbl" xml:lang="en-US">Total debt</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtCurrent" xlink:to="us-gaap_LongTermDebtCurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LongTermDebtCurrent_2_lbl" xml:lang="en-US">Less current portion of long-term debt</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtNoncurrent" xlink:to="us-gaap_LongTermDebtNoncurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LongTermDebtNoncurrent_2_lbl" xml:lang="en-US">Long-term debt</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="us-gaap_DebtInstrumentMaturityDate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentMaturityDate" xlink:to="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xml:lang="en-US">Debt due date</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:to="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xml:lang="en-US">Effective interest rate</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="us-gaap_DeferredFinanceCostsNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredFinanceCostsNet" xlink:to="us-gaap_DeferredFinanceCostsNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xml:lang="en-US">Debt issuance costs net</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl" xml:lang="en-US">2022</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl" xml:lang="en-US">2023</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_lbl" xml:lang="en-US">2024</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_lbl" xml:lang="en-US">2025</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="us-gaap_DebtInstrumentCarryingAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentCarryingAmount" xlink:to="us-gaap_DebtInstrumentCarryingAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xml:lang="en-US">Total</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentMaturityDate" xlink:to="us-gaap_DebtInstrumentMaturityDate_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtInstrumentMaturityDate_2_lbl" xml:lang="en-US">Debt instrument maturity date</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US">Line of credit facility, maximum borrowing capacity</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentPeriodicPayment" xlink:label="us-gaap_DebtInstrumentPeriodicPayment" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentPeriodicPayment" xlink:to="us-gaap_DebtInstrumentPeriodicPayment_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentPeriodicPayment_lbl" xml:lang="en-US">Debt instrument periodic payment</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_EligibleExpensesUnderPPPLoan" xlink:label="PESI_EligibleExpensesUnderPPPLoan" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_EligibleExpensesUnderPPPLoan" xlink:to="PESI_EligibleExpensesUnderPPPLoan_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_EligibleExpensesUnderPPPLoan_lbl" xml:lang="en-US">Eligible expenses incurred in connection with the PPP loan</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_2_lbl" xml:lang="en-US">Debt instrument, borrowing capacity, amount</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentFeeAmount" xlink:label="us-gaap_DebtInstrumentFeeAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFeeAmount" xlink:to="us-gaap_DebtInstrumentFeeAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentFeeAmount_lbl" xml:lang="en-US">Lender fee value</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentDescription" xlink:label="us-gaap_DebtInstrumentDescription" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentDescription" xlink:to="us-gaap_DebtInstrumentDescription_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentDescription_lbl" xml:lang="en-US">Debt Instrument, Description</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xml:lang="en-US">Interest rate</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:to="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xml:lang="en-US">Debt Instrument, basis spread on variable rate</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl" xml:lang="en-US">Line of credit facility, remaining borrowing capacity</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="us-gaap_LettersOfCreditOutstandingAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LettersOfCreditOutstandingAmount" xlink:to="us-gaap_LettersOfCreditOutstandingAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LettersOfCreditOutstandingAmount_lbl" xml:lang="en-US">Letters of credit outstanding, amount</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentInterestRateDuringPeriod" xlink:label="us-gaap_DebtInstrumentInterestRateDuringPeriod" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateDuringPeriod" xlink:to="us-gaap_DebtInstrumentInterestRateDuringPeriod_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentInterestRateDuringPeriod_lbl" xml:lang="en-US">Debt interest rate</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentDecreaseForgiveness" xlink:label="us-gaap_DebtInstrumentDecreaseForgiveness" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentDecreaseForgiveness" xlink:to="us-gaap_DebtInstrumentDecreaseForgiveness_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentDecreaseForgiveness_lbl" xml:lang="en-US">Debt Instrument, Decrease, Forgiveness</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_InterestForgiveness" xlink:label="PESI_InterestForgiveness" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_InterestForgiveness" xlink:to="PESI_InterestForgiveness_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_InterestForgiveness_lbl" xml:lang="en-US">Interest forgiveness</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:to="us-gaap_GainsLossesOnExtinguishmentOfDebt_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_3_lbl" xml:lang="en-US">Gain (loss) on extinguishment of debt</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:to="us-gaap_EmployeeRelatedLiabilitiesCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent_lbl" xml:lang="en-US">Salaries and employee benefits</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TaxesPayableCurrent" xlink:label="us-gaap_TaxesPayableCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxesPayableCurrent" xlink:to="us-gaap_TaxesPayableCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TaxesPayableCurrent_lbl" xml:lang="en-US">Accrued sales, property and other tax</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:label="us-gaap_InterestPayableCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPayableCurrent" xlink:to="us-gaap_InterestPayableCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestPayableCurrent_lbl" xml:lang="en-US">Interest payable</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccruedInsuranceCurrent" xlink:label="us-gaap_AccruedInsuranceCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedInsuranceCurrent" xlink:to="us-gaap_AccruedInsuranceCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedInsuranceCurrent_lbl" xml:lang="en-US">Insurance payable</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAccruedLiabilitiesCurrent" xlink:to="us-gaap_OtherAccruedLiabilitiesCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent_lbl" xml:lang="en-US">Other</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedLiabilitiesCurrent" xlink:to="us-gaap_AccruedLiabilitiesCurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AccruedLiabilitiesCurrent_2_lbl" xml:lang="en-US">Total accrued expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OfficersCompensation" xlink:label="us-gaap_OfficersCompensation" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OfficersCompensation" xlink:to="us-gaap_OfficersCompensation_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OfficersCompensation_lbl" xml:lang="en-US">Compensation expenses accrued</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligation" xlink:label="us-gaap_AssetRetirementObligation" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligation" xlink:to="us-gaap_AssetRetirementObligation_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_AssetRetirementObligation_lbl" xml:lang="en-US">Balance at beginning</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationAccretionExpense" xlink:label="us-gaap_AssetRetirementObligationAccretionExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationAccretionExpense" xlink:to="us-gaap_AssetRetirementObligationAccretionExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetRetirementObligationAccretionExpense_lbl" xml:lang="en-US">Accretion expense</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationLiabilitiesSettled" xlink:label="us-gaap_AssetRetirementObligationLiabilitiesSettled" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationLiabilitiesSettled" xlink:to="us-gaap_AssetRetirementObligationLiabilitiesSettled_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_AssetRetirementObligationLiabilitiesSettled_lbl" xml:lang="en-US">Spending</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_AdditionToClosureLiability" xlink:label="PESI_AdditionToClosureLiability" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AdditionToClosureLiability" xlink:to="PESI_AdditionToClosureLiability_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_AdditionToClosureLiability_lbl" xml:lang="en-US">Addition to closure liability.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligation" xlink:to="us-gaap_AssetRetirementObligation_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_AssetRetirementObligation_2_lbl" xml:lang="en-US">Balance at end</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_ClosureAndPostClosureAssets" xlink:label="PESI_ClosureAndPostClosureAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ClosureAndPostClosureAssets" xlink:to="PESI_ClosureAndPostClosureAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="PESI_ClosureAndPostClosureAssets_lbl" xml:lang="en-US">Balance at beginning</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_AmortizationOfClosureAndPostClosureAsset" xlink:label="PESI_AmortizationOfClosureAndPostClosureAsset" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AmortizationOfClosureAndPostClosureAsset" xlink:to="PESI_AmortizationOfClosureAndPostClosureAsset_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_AmortizationOfClosureAndPostClosureAsset_lbl" xml:lang="en-US">Amortization of closure and post-closure asset</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_AdditionToClosureAndPostClosureAsset" xlink:label="PESI_AdditionToClosureAndPostClosureAsset" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AdditionToClosureAndPostClosureAsset" xlink:to="PESI_AdditionToClosureAndPostClosureAsset_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_AdditionToClosureAndPostClosureAsset_lbl" xml:lang="en-US">Addition to closure and post-closure asset</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ClosureAndPostClosureAssets" xlink:to="PESI_ClosureAndPostClosureAssets_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="PESI_ClosureAndPostClosureAssets_2_lbl" xml:lang="en-US">Balance at end</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2_lbl" xml:lang="en-US">Income before tax (benefit) expense</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Federal income tax (benefit) expense - deferred</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:to="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xml:lang="en-US">State income tax benefit - current</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations" xlink:label="us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations" xlink:to="us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations_lbl" xml:lang="en-US">Foreign income tax expense - current</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">State income tax benefit - deferred</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefit" xlink:to="us-gaap_IncomeTaxExpenseBenefit_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncomeTaxExpenseBenefit_2_lbl" xml:lang="en-US">Total income tax benefit</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:to="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xml:lang="en-US">Federal tax (benefit) expense at statutory rate</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:label="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:to="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_lbl" xml:lang="en-US">State tax benefit, net of federal benefit</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_IncomeTaxReconciliationChangeInDeferredTaxAssets" xlink:label="PESI_IncomeTaxReconciliationChangeInDeferredTaxAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_IncomeTaxReconciliationChangeInDeferredTaxAssets" xlink:to="PESI_IncomeTaxReconciliationChangeInDeferredTaxAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_IncomeTaxReconciliationChangeInDeferredTaxAssets_lbl" xml:lang="en-US">Change in deferred tax rates</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpense" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxReconciliationNondeductibleExpense" xlink:to="us-gaap_IncomeTaxReconciliationNondeductibleExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpense_lbl" xml:lang="en-US">Permanent items</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PppLoanForgiveness" xlink:label="PESI_PppLoanForgiveness" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PppLoanForgiveness" xlink:to="PESI_PppLoanForgiveness_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PppLoanForgiveness_lbl" xml:lang="en-US">PPP Loan forgiveness</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DebtForgivenessPFMPoland" xlink:label="PESI_DebtForgivenessPFMPoland" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DebtForgivenessPFMPoland" xlink:to="PESI_DebtForgivenessPFMPoland_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DebtForgivenessPFMPoland_lbl" xml:lang="en-US">Debt forgiveness (PFM Poland)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential" xlink:label="us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential" xlink:to="us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_lbl" xml:lang="en-US">Difference in foreign rate</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_TrueupOfDeferredTaxItems" xlink:label="PESI_TrueupOfDeferredTaxItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TrueupOfDeferredTaxItems" xlink:to="PESI_TrueupOfDeferredTaxItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_TrueupOfDeferredTaxItems_lbl" xml:lang="en-US">True-up of deferred tax items</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments" xlink:label="us-gaap_IncomeTaxReconciliationOtherAdjustments" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxReconciliationOtherAdjustments" xlink:to="us-gaap_IncomeTaxReconciliationOtherAdjustments_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncomeTaxReconciliationOtherAdjustments_lbl" xml:lang="en-US">Other</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:to="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xml:lang="en-US">Decrease in valuation allowance</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefit" xlink:to="us-gaap_IncomeTaxExpenseBenefit_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_IncomeTaxExpenseBenefit_3_lbl" xml:lang="en-US">Income tax benefit</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:to="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xml:lang="en-US">Net operating losses</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals_lbl" xml:lang="en-US">Environmental and closure reserves</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DeferredTaxAssetsLeaseLiability" xlink:label="PESI_DeferredTaxAssetsLeaseLiability" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DeferredTaxAssetsLeaseLiability" xlink:to="PESI_DeferredTaxAssetsLeaseLiability_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DeferredTaxAssetsLeaseLiability_lbl" xml:lang="en-US">Lease liability</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_CapitalLossCarryforward" xlink:label="PESI_CapitalLossCarryforward" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CapitalLossCarryforward" xlink:to="PESI_CapitalLossCarryforward_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_CapitalLossCarryforward_lbl" xml:lang="en-US">Capital loss carryforward</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsOther" xlink:label="us-gaap_DeferredTaxAssetsOther" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsOther" xlink:to="us-gaap_DeferredTaxAssetsOther_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl" xml:lang="en-US">Other</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:label="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:to="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_lbl" xml:lang="en-US">Depreciation and amortization</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_IndefiniteLivedIntangibleAssets" xlink:label="PESI_IndefiniteLivedIntangibleAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_IndefiniteLivedIntangibleAssets" xlink:to="PESI_IndefiniteLivedIntangibleAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="PESI_IndefiniteLivedIntangibleAssets_lbl" xml:lang="en-US">Indefinite lived intangible assets</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DeferredTaxLiabilitiesRightofuseLeaseAsset" xlink:label="PESI_DeferredTaxLiabilitiesRightofuseLeaseAsset" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DeferredTaxLiabilitiesRightofuseLeaseAsset" xlink:to="PESI_DeferredTaxLiabilitiesRightofuseLeaseAsset_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="PESI_DeferredTaxLiabilitiesRightofuseLeaseAsset_lbl" xml:lang="en-US">Right-of-use lease asset</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DeferredTaxLiabilitiesAdjustment" xlink:label="PESI_DeferredTaxLiabilitiesAdjustment" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DeferredTaxLiabilitiesAdjustment" xlink:to="PESI_DeferredTaxLiabilitiesAdjustment_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="PESI_DeferredTaxLiabilitiesAdjustment_lbl" xml:lang="en-US">481(a) adjustment</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPrepaidExpenses" xlink:label="us-gaap_DeferredTaxLiabilitiesPrepaidExpenses" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesPrepaidExpenses" xlink:to="us-gaap_DeferredTaxLiabilitiesPrepaidExpenses_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DeferredTaxLiabilitiesPrepaidExpenses_lbl" xml:lang="en-US">Prepaid expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="us-gaap_DeferredTaxAssetsGross" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsGross" xlink:to="us-gaap_DeferredTaxAssetsGross_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xml:lang="en-US">Deferred tax assets, gross&#160;</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsValuationAllowance" xlink:to="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xml:lang="en-US">Valuation allowance</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DeferredTaxAssetsLiabilities" xlink:label="PESI_DeferredTaxAssetsLiabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DeferredTaxAssetsLiabilities" xlink:to="PESI_DeferredTaxAssetsLiabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="PESI_DeferredTaxAssetsLiabilities_lbl" xml:lang="en-US">Net deferred income tax asset (liabilities)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLossCarryforwardsTable" xlink:label="us-gaap_OperatingLossCarryforwardsTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLossCarryforwardsTable" xlink:to="us-gaap_OperatingLossCarryforwardsTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLossCarryforwardsTable_lbl" xml:lang="en-US">Operating Loss Carryforwards [Table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLossCarryforwardsLineItems" xlink:label="us-gaap_OperatingLossCarryforwardsLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLossCarryforwardsLineItems" xlink:to="us-gaap_OperatingLossCarryforwardsLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLossCarryforwardsLineItems_lbl" xml:lang="en-US">Operating Loss Carryforwards [Line Items]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefit" xlink:to="us-gaap_IncomeTaxExpenseBenefit_4_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxExpenseBenefit_4_lbl" xml:lang="en-US">Income Tax Expense (Benefit)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainOrLossOnSaleOfStockInSubsidiary" xlink:label="us-gaap_GainOrLossOnSaleOfStockInSubsidiary" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainOrLossOnSaleOfStockInSubsidiary" xlink:to="us-gaap_GainOrLossOnSaleOfStockInSubsidiary_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainOrLossOnSaleOfStockInSubsidiary_lbl" xml:lang="en-US">Gain (loss) on sale of stock in subsidiary</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_SalesOfInterestPercentage" xlink:to="PESI_SalesOfInterestPercentage_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="PESI_SalesOfInterestPercentage_2_lbl" xml:lang="en-US">Sales Of Interest Percentage.</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DecommissioningValue" xlink:label="PESI_DecommissioningValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DecommissioningValue" xlink:to="PESI_DecommissioningValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DecommissioningValue_lbl" xml:lang="en-US">[custom:DecommissioningValue]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:to="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_2_lbl" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="us-gaap_OperatingLossCarryforwards" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLossCarryforwards" xlink:to="us-gaap_OperatingLossCarryforwards_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xml:lang="en-US">Operating Loss Carryforwards</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_IncomeTaxExpirationDescription" xlink:label="PESI_IncomeTaxExpirationDescription" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_IncomeTaxExpirationDescription" xlink:to="PESI_IncomeTaxExpirationDescription_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_IncomeTaxExpirationDescription_lbl" xml:lang="en-US">[custom:IncomeTaxExpirationDescription]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:to="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_2_lbl" xml:lang="en-US">Deferred Tax Assets, Operating Loss Carryforwards</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="us-gaap_UnrecognizedTaxBenefits" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefits" xlink:to="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xml:lang="en-US">Uncertain tax positions</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations" xlink:label="us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations" xlink:to="us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations_lbl" xml:lang="en-US">Federal income tax payable</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisclosurePfMedicalAbstract" xlink:to="PESI_DisclosurePfMedicalAbstract_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="PESI_DisclosurePfMedicalAbstract_2_lbl" xml:lang="en-US">Schedule Of Loss On Deconsolidation</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_NoteReceivableConsiderationReceived" xlink:label="PESI_NoteReceivableConsiderationReceived" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_NoteReceivableConsiderationReceived" xlink:to="PESI_NoteReceivableConsiderationReceived_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_NoteReceivableConsiderationReceived_lbl" xml:lang="en-US">Note receivable consideration received</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_CarryingAmountOfNoncontrollingInterest" xlink:label="PESI_CarryingAmountOfNoncontrollingInterest" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CarryingAmountOfNoncontrollingInterest" xlink:to="PESI_CarryingAmountOfNoncontrollingInterest_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_CarryingAmountOfNoncontrollingInterest_lbl" xml:lang="en-US">Carrying amount of non-controlling interest</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_CarryingAmountOfAccumulatedOtherComprehensiveLoss" xlink:label="PESI_CarryingAmountOfAccumulatedOtherComprehensiveLoss" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CarryingAmountOfAccumulatedOtherComprehensiveLoss" xlink:to="PESI_CarryingAmountOfAccumulatedOtherComprehensiveLoss_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_CarryingAmountOfAccumulatedOtherComprehensiveLoss_lbl" xml:lang="en-US">Carrying amount of accumulated other comprehensive loss</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_NetLiabilities" xlink:label="PESI_NetLiabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_NetLiabilities" xlink:to="PESI_NetLiabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_NetLiabilities_lbl" xml:lang="en-US">Net liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_TransactionCosts" xlink:label="PESI_TransactionCosts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TransactionCosts" xlink:to="PESI_TransactionCosts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_TransactionCosts_lbl" xml:lang="en-US">Transaction costs</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeconsolidationGainOrLossAmount" xlink:to="us-gaap_DeconsolidationGainOrLossAmount_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeconsolidationGainOrLossAmount_3_lbl" xml:lang="en-US">Loss on deconsolidation of subsidiary</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NotesReceivableNet" xlink:label="us-gaap_NotesReceivableNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotesReceivableNet" xlink:to="us-gaap_NotesReceivableNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NotesReceivableNet_lbl" xml:lang="en-US">Notes receivable, amount</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsPayableTradeCurrent" xlink:label="us-gaap_AccountsPayableTradeCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableTradeCurrent" xlink:to="us-gaap_AccountsPayableTradeCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableTradeCurrent_lbl" xml:lang="en-US">Trade payables</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_AcquiredPrice" xlink:label="PESI_AcquiredPrice" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AcquiredPrice" xlink:to="PESI_AcquiredPrice_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_AcquiredPrice_lbl" xml:lang="en-US">Acquired price</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterest" xlink:to="us-gaap_MinorityInterest_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_MinorityInterest_2_lbl" xml:lang="en-US">non-controlling interest</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TransactionCosts" xlink:to="PESI_TransactionCosts_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="PESI_TransactionCosts_2_lbl" xml:lang="en-US">Legal and accounting costs</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_SelfinsuredRetention" xlink:label="PESI_SelfinsuredRetention" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_SelfinsuredRetention" xlink:to="PESI_SelfinsuredRetention_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_SelfinsuredRetention_lbl" xml:lang="en-US">Self-insured retention</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_UnpaidReceivablesAndUnbilledCosts" xlink:label="PESI_UnpaidReceivablesAndUnbilledCosts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_UnpaidReceivablesAndUnbilledCosts" xlink:to="PESI_UnpaidReceivablesAndUnbilledCosts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_UnpaidReceivablesAndUnbilledCosts_lbl" xml:lang="en-US">[custom:UnpaidReceivablesAndUnbilledCosts]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableNetCurrent" xlink:to="us-gaap_AccountsReceivableNetCurrent_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccountsReceivableNetCurrent_3_lbl" xml:lang="en-US">Accounts Receivable, after Allowance for Credit Loss, Current</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_BondSecuringAmount" xlink:label="PESI_BondSecuringAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_BondSecuringAmount" xlink:to="PESI_BondSecuringAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_BondSecuringAmount_lbl" xml:lang="en-US">[custom:BondSecuringAmount]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PeriodOfFiniteRiskInsurancePolicy" xlink:label="PESI_PeriodOfFiniteRiskInsurancePolicy" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PeriodOfFiniteRiskInsurancePolicy" xlink:to="PESI_PeriodOfFiniteRiskInsurancePolicy_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PeriodOfFiniteRiskInsurancePolicy_lbl" xml:lang="en-US">Period of finite risk insurance policy</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_MaximumAllowableCoverageOfInsurancePolicy" xlink:label="PESI_MaximumAllowableCoverageOfInsurancePolicy" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_MaximumAllowableCoverageOfInsurancePolicy" xlink:to="PESI_MaximumAllowableCoverageOfInsurancePolicy_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_MaximumAllowableCoverageOfInsurancePolicy_lbl" xml:lang="en-US">Maximum allowable coverage of insurance policy</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_CoverageAmountUnderPolicy" xlink:label="PESI_CoverageAmountUnderPolicy" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CoverageAmountUnderPolicy" xlink:to="PESI_CoverageAmountUnderPolicy_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_CoverageAmountUnderPolicy_lbl" xml:lang="en-US">Coverage amount under the policy</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_InsurersObligationToEntityOnTerminationOfContract" xlink:label="PESI_InsurersObligationToEntityOnTerminationOfContract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_InsurersObligationToEntityOnTerminationOfContract" xlink:to="PESI_InsurersObligationToEntityOnTerminationOfContract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_InsurersObligationToEntityOnTerminationOfContract_lbl" xml:lang="en-US">Insurers obligation to entity on termination of contract</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_BondOutstanding" xlink:label="PESI_BondOutstanding" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_BondOutstanding" xlink:to="PESI_BondOutstanding_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_BondOutstanding_lbl" xml:lang="en-US">Bond outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_MinimumAgeForFullTimeEmployeesToParticipateInPlan" xlink:label="PESI_MinimumAgeForFullTimeEmployeesToParticipateInPlan" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_MinimumAgeForFullTimeEmployeesToParticipateInPlan" xlink:to="PESI_MinimumAgeForFullTimeEmployeesToParticipateInPlan_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_MinimumAgeForFullTimeEmployeesToParticipateInPlan_lbl" xml:lang="en-US">Minimum age for full time employees to participate in plan</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_NumberOfQuarterlyOpenPeriodsForEnrollment" xlink:label="PESI_NumberOfQuarterlyOpenPeriodsForEnrollment" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_NumberOfQuarterlyOpenPeriodsForEnrollment" xlink:to="PESI_NumberOfQuarterlyOpenPeriodsForEnrollment_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_NumberOfQuarterlyOpenPeriodsForEnrollment_lbl" xml:lang="en-US">Number of quarterly open periods for enrollment</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent" xlink:label="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent" xlink:to="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_lbl" xml:lang="en-US">Defined contribution plan, maximum annual contributions per employee, percent</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent" xlink:to="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_lbl" xml:lang="en-US">Defined contribution plan, employer matching contribution, percent of employees' gross pay</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_DefinedContributionPlanEmployersContributionVestingPeriod" xlink:label="PESI_DefinedContributionPlanEmployersContributionVestingPeriod" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DefinedContributionPlanEmployersContributionVestingPeriod" xlink:to="PESI_DefinedContributionPlanEmployersContributionVestingPeriod_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DefinedContributionPlanEmployersContributionVestingPeriod_lbl" xml:lang="en-US">Defined contribution plan employers contribution vesting period</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount" xlink:label="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount" xlink:to="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_lbl" xml:lang="en-US">Defined contribution plan, employer discretionary contribution amount</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xml:lang="en-US">Schedule of Related Party Transactions, by Related Party [Table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="us-gaap_RelatedPartyTransactionLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xml:lang="en-US">Related Party Transaction [Line Items]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SalariesAndWages" xlink:label="us-gaap_SalariesAndWages" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SalariesAndWages" xlink:to="us-gaap_SalariesAndWages_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SalariesAndWages_lbl" xml:lang="en-US">Compensation</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage" xlink:label="PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage" xlink:to="PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage_lbl" xml:lang="en-US">Compensation arrangement with individual, cash awards, minimum, percentage</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage" xlink:label="PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage" xlink:to="PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage_lbl" xml:lang="en-US">Compensation arrangement with individual, cash awards, maximum, percentage</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount" xlink:label="PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount" xlink:to="PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount_lbl" xml:lang="en-US">Compensation arrangement with individual, cash awards, minimum, amount</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount" xlink:label="PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount" xlink:to="PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount_lbl" xml:lang="en-US">Compensation arrangement with individual, cash awards, maximum, amount</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_QuarterlyFee" xlink:label="PESI_QuarterlyFee" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_QuarterlyFee" xlink:to="PESI_QuarterlyFee_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_QuarterlyFee_lbl" xml:lang="en-US">Quarterly fee</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_BoardChairmanCommitteeFees" xlink:label="PESI_BoardChairmanCommitteeFees" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_BoardChairmanCommitteeFees" xlink:to="PESI_BoardChairmanCommitteeFees_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_BoardChairmanCommitteeFees_lbl" xml:lang="en-US">Board chairman committee fees</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_AuditCommitteeMemberFees" xlink:label="PESI_AuditCommitteeMemberFees" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AuditCommitteeMemberFees" xlink:to="PESI_AuditCommitteeMemberFees_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_AuditCommitteeMemberFees_lbl" xml:lang="en-US">Audit committee member fees</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_CommitteeMemberFees" xlink:label="PESI_CommitteeMemberFees" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CommitteeMemberFees" xlink:to="PESI_CommitteeMemberFees_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_CommitteeMemberFees_lbl" xml:lang="en-US">Committee member fees</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_BoardMeetingAttendanceDescription" xlink:label="PESI_BoardMeetingAttendanceDescription" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_BoardMeetingAttendanceDescription" xlink:to="PESI_BoardMeetingAttendanceDescription_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_BoardMeetingAttendanceDescription_lbl" xml:lang="en-US">Board meeting attendance description</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_BoardAttendanceFees" xlink:label="PESI_BoardAttendanceFees" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_BoardAttendanceFees" xlink:to="PESI_BoardAttendanceFees_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_BoardAttendanceFees_lbl" xml:lang="en-US">Board attendance fees</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_FeesPayableDescripton" xlink:label="PESI_FeesPayableDescripton" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_FeesPayableDescripton" xlink:to="PESI_FeesPayableDescripton_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_FeesPayableDescripton_lbl" xml:lang="en-US">Fees payable description</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl" xml:lang="en-US">Schedule of Segment Reporting Information, by Segment [Table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="us-gaap_SegmentReportingInformationLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_SegmentReportingInformationLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xml:lang="en-US">Segment Reporting Information [Line Items]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:to="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_3_lbl" xml:lang="en-US">Revenue from external customers</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_IntercompanyRevenues" xlink:label="PESI_IntercompanyRevenues" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_IntercompanyRevenues" xlink:to="PESI_IntercompanyRevenues_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_IntercompanyRevenues_lbl" xml:lang="en-US">Intercompany revenues</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GrossProfit" xlink:to="us-gaap_GrossProfit_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GrossProfit_2_lbl" xml:lang="en-US">Gross profit</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="us-gaap_DepreciationAndAmortization" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepreciationAndAmortization" xlink:to="us-gaap_DepreciationAndAmortization_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DepreciationAndAmortization_lbl" xml:lang="en-US">Depreciation and amortization</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_3_lbl" xml:lang="en-US">Segment income (loss) before income taxes</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:to="us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_3_lbl" xml:lang="en-US">Segment income (loss)</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Assets_2_lbl" xml:lang="en-US">Segment assets</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_2_lbl" xml:lang="en-US">Expenditures for segment assets (net)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtAndCapitalLeaseObligations" xlink:label="us-gaap_DebtAndCapitalLeaseObligations" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtAndCapitalLeaseObligations" xlink:to="us-gaap_DebtAndCapitalLeaseObligations_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtAndCapitalLeaseObligations_lbl" xml:lang="en-US">Total debt</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable" xlink:label="us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable" xlink:to="us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_lbl" xml:lang="en-US">Schedule of Revenue by Major Customers, by Reporting Segments [Table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EntityWideRevenueMajorCustomerLineItems" xlink:label="us-gaap_EntityWideRevenueMajorCustomerLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EntityWideRevenueMajorCustomerLineItems" xlink:to="us-gaap_EntityWideRevenueMajorCustomerLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EntityWideRevenueMajorCustomerLineItems_lbl" xml:lang="en-US">Revenue, Major Customer [Line Items]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskPercentage1" xlink:to="us-gaap_ConcentrationRiskPercentage1_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ConcentrationRiskPercentage1_2_lbl" xml:lang="en-US">Concentration risk, percentage</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale" xlink:label="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale" xlink:to="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_lbl" xml:lang="en-US">Assets of disposal group including discontinued operation including not held for sale</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredFinanceCostsNet" xlink:to="us-gaap_DeferredFinanceCostsNet_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredFinanceCostsNet_2_lbl" xml:lang="en-US">Debt issuance costs</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_FinancedPortionAmountInPurchaseOfCapitalExpenditure" xlink:label="PESI_FinancedPortionAmountInPurchaseOfCapitalExpenditure" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_FinancedPortionAmountInPurchaseOfCapitalExpenditure" xlink:to="PESI_FinancedPortionAmountInPurchaseOfCapitalExpenditure_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_FinancedPortionAmountInPurchaseOfCapitalExpenditure_lbl" xml:lang="en-US">Financed portion amount in the purchase of capital expenditure</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_2_lbl" xml:lang="en-US">Long-lived asset (net)</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:to="us-gaap_GainsLossesOnExtinguishmentOfDebt_4_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_4_lbl" xml:lang="en-US">Gain on extinguishment of debt</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:to="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_3_lbl" xml:lang="en-US">Income tax benefit valuation allowance</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentDecreaseForgiveness" xlink:to="us-gaap_DebtInstrumentDecreaseForgiveness_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtInstrumentDecreaseForgiveness_2_lbl" xml:lang="en-US">Debt instrument, decrease, forgivenes</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeconsolidationGainOrLossAmount" xlink:to="us-gaap_DeconsolidationGainOrLossAmount_4_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="us-gaap_DeconsolidationGainOrLossAmount_4_lbl" xml:lang="en-US">Deconsolidation, gain (Loss), amount</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Revenues" xlink:label="us-gaap_Revenues" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Revenues" xlink:to="us-gaap_Revenues_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_Revenues_lbl" xml:lang="en-US">Total</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:label="us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:to="us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_lbl" xml:lang="en-US">Schedule of Revenues from External Customers and Long-Lived Assets [Table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:label="us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:to="us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_lbl" xml:lang="en-US">Revenues from External Customers and Long-Lived Assets [Line Items]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="us-gaap_NumberOfReportableSegments" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NumberOfReportableSegments" xlink:to="us-gaap_NumberOfReportableSegments_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NumberOfReportableSegments_lbl" xml:lang="en-US">Number of reportable segments</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_SalePercentage" xlink:label="PESI_SalePercentage" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_SalePercentage" xlink:to="PESI_SalePercentage_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_SalePercentage_lbl" xml:lang="en-US">Sale percentage</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PercentageOfSocialSecurityTaxesDeferredPayable" xlink:label="PESI_PercentageOfSocialSecurityTaxesDeferredPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PercentageOfSocialSecurityTaxesDeferredPayable" xlink:to="PESI_PercentageOfSocialSecurityTaxesDeferredPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PercentageOfSocialSecurityTaxesDeferredPayable_lbl" xml:lang="en-US">Percentage of social security taxes deferred payable</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_SocialSecurityTaxesAmountPayable" xlink:label="PESI_SocialSecurityTaxesAmountPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_SocialSecurityTaxesAmountPayable" xlink:to="PESI_SocialSecurityTaxesAmountPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_SocialSecurityTaxesAmountPayable_lbl" xml:lang="en-US">Social security taxes amount payable</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PaymentOfSocialSecurityTaxesAmount" xlink:label="PESI_PaymentOfSocialSecurityTaxesAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PaymentOfSocialSecurityTaxesAmount" xlink:to="PESI_PaymentOfSocialSecurityTaxesAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PaymentOfSocialSecurityTaxesAmount_lbl" xml:lang="en-US">Payment of social security taxes amount</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_RemainingPaymentOfSocialSecurityTaxesAmount" xlink:label="PESI_RemainingPaymentOfSocialSecurityTaxesAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_RemainingPaymentOfSocialSecurityTaxesAmount" xlink:to="PESI_RemainingPaymentOfSocialSecurityTaxesAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_RemainingPaymentOfSocialSecurityTaxesAmount_lbl" xml:lang="en-US">Remaining payment of social security taxes amount</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableInterestEntityOwnershipPercentage" xlink:label="us-gaap_VariableInterestEntityOwnershipPercentage" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableInterestEntityOwnershipPercentage" xlink:to="us-gaap_VariableInterestEntityOwnershipPercentage_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_VariableInterestEntityOwnershipPercentage_lbl" xml:lang="en-US">Partnership interest rate</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_Assets_3_lbl" xml:lang="en-US">Total assets</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_Liabilities_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_Liabilities_2_lbl" xml:lang="en-US">Total liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTable" xlink:label="us-gaap_SubsequentEventTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_SubsequentEventTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventTable_lbl" xml:lang="en-US">Subsequent Event [Table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventLineItems" xlink:label="us-gaap_SubsequentEventLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_SubsequentEventLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xml:lang="en-US">Subsequent Event [Line Items]</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_PercentageIncreaseInAnnualCompensation" xlink:label="PESI_PercentageIncreaseInAnnualCompensation" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PercentageIncreaseInAnnualCompensation" xlink:to="PESI_PercentageIncreaseInAnnualCompensation_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_PercentageIncreaseInAnnualCompensation_lbl" xml:lang="en-US">Increase in annual compensation</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityDescription" xlink:label="us-gaap_LineOfCreditFacilityDescription" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityDescription" xlink:to="us-gaap_LineOfCreditFacilityDescription_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityDescription_lbl" xml:lang="en-US">Credit facility, description</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_3_lbl" xml:lang="en-US">Line of credit facility, equipment line</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:to="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_lbl" xml:lang="en-US">Percentage of unused line fees</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateDuringPeriod" xlink:label="us-gaap_LineOfCreditFacilityInterestRateDuringPeriod" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityInterestRateDuringPeriod" xlink:to="us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_lbl" xml:lang="en-US">Interest rate</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFeeAmount" xlink:to="us-gaap_DebtInstrumentFeeAmount_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtInstrumentFeeAmount_2_lbl" xml:lang="en-US">Debt instrument fees</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_SelfinsuredRetention" xlink:to="PESI_SelfinsuredRetention_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_SelfinsuredRetention_doc" xml:lang="en-US">Self-insured retention.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PeriodOfFiniteRiskInsurancePolicy" xlink:to="PESI_PeriodOfFiniteRiskInsurancePolicy_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PeriodOfFiniteRiskInsurancePolicy_doc" xml:lang="en-US">Represents the period of finite risk insurance policy.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AmericanInternationalGroupIncMember" xlink:to="PESI_AmericanInternationalGroupIncMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_AmericanInternationalGroupIncMember_doc" xml:lang="en-US">Represents information pertaining to American International Group, Inc.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent" xlink:to="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent_doc" xml:lang="en-US">Amount classified as assets attributed to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer, or assets retained by the Company upon divestiture of facility.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_BuildingsAndLand" xlink:to="PESI_BuildingsAndLand_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_BuildingsAndLand_doc" xml:lang="en-US">Carrying amount as of the balance sheet date of long-lived, depreciable assets that include building structures held for productive use including any addition, improvement, or renovation to the structure, such as interior masonry, interior flooring, electrical, and plumbing. And the carrying amount as of the balance sheet date of real estate held for productive use. This excludes land held for sale.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_Vehicles" xlink:to="PESI_Vehicles_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_Vehicles_doc" xml:lang="en-US">Amount before accumulated depreciation of vehicles used in transporting goods or used for performing services. Examples include cars, trucks and forklifts.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentIncludingNotHeldForSale" xlink:to="PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentIncludingNotHeldForSale_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentIncludingNotHeldForSale_doc" xml:lang="en-US">Amount Classified as assets attributed to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer, or assets retained by the Company upon divestiture of facility.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_Permits" xlink:to="PESI_Permits_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_Permits_doc" xml:lang="en-US">Carrying amount (net of any accumulated depreciation) as of the balance sheet date of operating permits having definite or indefinite lives.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CoverageAmountUnderPolicy" xlink:to="PESI_CoverageAmountUnderPolicy_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_CoverageAmountUnderPolicy_doc" xml:lang="en-US">Coverage amount under the policy.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ThousandandThreeClosurePolicyMember" xlink:to="PESI_ThousandandThreeClosurePolicyMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ThousandandThreeClosurePolicyMember_doc" xml:lang="en-US">2003 Closure Policy [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisposalTransportationAccrual" xlink:to="PESI_DisposalTransportationAccrual_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DisposalTransportationAccrual_doc" xml:lang="en-US">Disposal/transportation accrual.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleNoncurrent" xlink:to="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleNoncurrent_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleNoncurrent_doc" xml:lang="en-US">Liabilities of disposal group including discontinued operation including not held for sale non current.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_InsurersObligationToEntityOnTerminationOfContract" xlink:to="PESI_InsurersObligationToEntityOnTerminationOfContract_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_InsurersObligationToEntityOnTerminationOfContract_doc" xml:lang="en-US">Insurer's obligation to entity on termination of contract in terms of percentage of sinking fund.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_BondOutstanding" xlink:to="PESI_BondOutstanding_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_BondOutstanding_doc" xml:lang="en-US">The total amount of the bonds outstanding as of the reporting date.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_MinimumAgeForFullTimeEmployeesToParticipateInPlan" xlink:to="PESI_MinimumAgeForFullTimeEmployeesToParticipateInPlan_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_MinimumAgeForFullTimeEmployeesToParticipateInPlan_doc" xml:lang="en-US">Refers to minimum age for full time employees to participate in the plan.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_NumberOfQuarterlyOpenPeriodsForEnrollment" xlink:to="PESI_NumberOfQuarterlyOpenPeriodsForEnrollment_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_NumberOfQuarterlyOpenPeriodsForEnrollment_doc" xml:lang="en-US">Represents the number of quarterly open periods for enrollment in the Company's 401(k) Plan.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DefinedContributionPlanEmployersContributionVestingPeriod" xlink:to="PESI_DefinedContributionPlanEmployersContributionVestingPeriod_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DefinedContributionPlanEmployersContributionVestingPeriod_doc" xml:lang="en-US">Refers to vesting period of employers contribution.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DrDavidCentofantiMember" xlink:to="PESI_DrDavidCentofantiMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DrDavidCentofantiMember_doc" xml:lang="en-US">Dr. David Centofanti [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ClosureAndPostClosureAssets" xlink:to="PESI_ClosureAndPostClosureAssets_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ClosureAndPostClosureAssets_doc" xml:lang="en-US">Represents the carrying amount of closure and post closure assets of disposal facilities.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AmortizationOfClosureAndPostClosureAsset" xlink:to="PESI_AmortizationOfClosureAndPostClosureAsset_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_AmortizationOfClosureAndPostClosureAsset_doc" xml:lang="en-US">Represents the amortization for the period in the amount of closure and post-closure asset of disposal facilities.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AdditionToClosureAndPostClosureAsset" xlink:to="PESI_AdditionToClosureAndPostClosureAsset_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_AdditionToClosureAndPostClosureAsset_doc" xml:lang="en-US">Addition to closure and post closure asset.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_IntercompanyRevenues" xlink:to="PESI_IntercompanyRevenues_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_IntercompanyRevenues_doc" xml:lang="en-US">The intercompany revenue reported for the transaction within the fellow concerns of the entity.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_EquipmentPurchaseSubjectToFinancing" xlink:to="PESI_EquipmentPurchaseSubjectToFinancing_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_EquipmentPurchaseSubjectToFinancing_doc" xml:lang="en-US">Equipment purchase subject to financing.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_IncomeTaxReconciliationChangeInDeferredTaxAssets" xlink:to="PESI_IncomeTaxReconciliationChangeInDeferredTaxAssets_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_IncomeTaxReconciliationChangeInDeferredTaxAssets_doc" xml:lang="en-US">Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the state tax rate to pretax income (loss) from continuing operations attributable to state income tax expense (benefit).</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DeferredTaxAssetsLeaseLiability" xlink:to="PESI_DeferredTaxAssetsLeaseLiability_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DeferredTaxAssetsLeaseLiability_doc" xml:lang="en-US">Deferred tax ,lease liability.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DeferredTaxLiabilitiesRightofuseLeaseAsset" xlink:to="PESI_DeferredTaxLiabilitiesRightofuseLeaseAsset_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DeferredTaxLiabilitiesRightofuseLeaseAsset_doc" xml:lang="en-US">Deferred tax liabilities right-of-use-asset.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_FixedPriceMember" xlink:to="PESI_FixedPriceMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_FixedPriceMember_doc" xml:lang="en-US">Fixed Price [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TimeandMaterialsMember" xlink:to="PESI_TimeandMaterialsMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_TimeandMaterialsMember_doc" xml:lang="en-US">Time and Materials [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DomesticCommercialMember" xlink:to="PESI_DomesticCommercialMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DomesticCommercialMember_doc" xml:lang="en-US">Domestic Commercial [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DomesticGovernmentMember" xlink:to="PESI_DomesticGovernmentMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DomesticGovernmentMember_doc" xml:lang="en-US">Domestic Government [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ForeignGovernmentMember" xlink:to="PESI_ForeignGovernmentMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ForeignGovernmentMember_doc" xml:lang="en-US">Foreign Government [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ForeignCommercialMember" xlink:to="PESI_ForeignCommercialMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ForeignCommercialMember_doc" xml:lang="en-US">Foreign Commercial [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_YearToDateChangesMember" xlink:to="PESI_YearToDateChangesMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_YearToDateChangesMember_doc" xml:lang="en-US">Year-to-date Change [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ChangesInAccountReceivablesNetOfAllowancePercentage" xlink:to="PESI_ChangesInAccountReceivablesNetOfAllowancePercentage_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ChangesInAccountReceivablesNetOfAllowancePercentage_doc" xml:lang="en-US">Percentage of change in account receivables, net of allowance.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ChangeInUnbilledReceivablesCurrentPercentage" xlink:to="PESI_ChangeInUnbilledReceivablesCurrentPercentage_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ChangeInUnbilledReceivablesCurrentPercentage_doc" xml:lang="en-US">Percentage of change in unbilled receivables - current percentage.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ChangesInDeferredRevenuePercentage" xlink:to="PESI_ChangesInDeferredRevenuePercentage_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ChangesInDeferredRevenuePercentage_doc" xml:lang="en-US">Percentage of change in deferred revenue.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TwoThousandTwentyManagementIncentivePlanMember" xlink:to="PESI_TwoThousandTwentyManagementIncentivePlanMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_TwoThousandTwentyManagementIncentivePlanMember_doc" xml:lang="en-US">2020 Management Incentive Plan [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent" xlink:to="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent_doc" xml:lang="en-US">Liabilities of disposal group including discontinued operation including not held for sale current.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ScheduleOfAssetRetirementObligationTableTextBlock" xlink:to="PESI_ScheduleOfAssetRetirementObligationTableTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ScheduleOfAssetRetirementObligationTableTextBlock_doc" xml:lang="en-US">Tabular disclosure of changes in carrying amount of asset retirement obligation reported as component of net property and equipment.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AdditionToClosureLiability" xlink:to="PESI_AdditionToClosureLiability_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_AdditionToClosureLiability_doc" xml:lang="en-US">Addition to closure liability.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_VicePresidentOfInformationSystemsMember" xlink:to="PESI_VicePresidentOfInformationSystemsMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_VicePresidentOfInformationSystemsMember_doc" xml:lang="en-US">Vice President of Information Systems [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TreatmentMember" xlink:to="PESI_TreatmentMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_TreatmentMember_doc" xml:lang="en-US">Information pertaining to the treatment segment.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ServicesMember" xlink:to="PESI_ServicesMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ServicesMember_doc" xml:lang="en-US">Information pertaining to the services segment.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_MedicalMember" xlink:to="PESI_MedicalMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_MedicalMember_doc" xml:lang="en-US">Medical [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_SegmentsTotalMember" xlink:to="PESI_SegmentsTotalMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_SegmentsTotalMember_doc" xml:lang="en-US">Information pertaining to total segments.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ForeignCurrencyTranslationReclassToLossOnDeconsolidationOfSubsidiary" xlink:to="PESI_ForeignCurrencyTranslationReclassToLossOnDeconsolidationOfSubsidiary_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ForeignCurrencyTranslationReclassToLossOnDeconsolidationOfSubsidiary_doc" xml:lang="en-US">Foreign currency translation reclass to loss on deconsolidation of subsidiary.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_InterestOnFinanceLeaseWithPurchaseOption" xlink:to="PESI_InterestOnFinanceLeaseWithPurchaseOption_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_InterestOnFinanceLeaseWithPurchaseOption_doc" xml:lang="en-US">Interest on finance lease with purchase option.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ProvisionForRecoveryOfBadDebtReserves" xlink:to="PESI_ProvisionForRecoveryOfBadDebtReserves_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ProvisionForRecoveryOfBadDebtReserves_doc" xml:lang="en-US">Provision for recovery of bad debt reserves.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_IncreaseDecreaseInUnbilledReceivable" xlink:to="PESI_IncreaseDecreaseInUnbilledReceivable_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_IncreaseDecreaseInUnbilledReceivable_doc" xml:lang="en-US">Increase decrease in unbilled receivable.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_IncreaseDecreaseInAccountsPayableAccruedExpensesAndUnearnedRevenue" xlink:to="PESI_IncreaseDecreaseInAccountsPayableAccruedExpensesAndUnearnedRevenue_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_IncreaseDecreaseInAccountsPayableAccruedExpensesAndUnearnedRevenue_doc" xml:lang="en-US">Increase decrease in accounts payable accrued expenses and unearned revenue.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_EquipmentPurchaseSubjectToFinanceLease" xlink:to="PESI_EquipmentPurchaseSubjectToFinanceLease_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_EquipmentPurchaseSubjectToFinanceLease_doc" xml:lang="en-US">Equipment purchase subject to finance lease.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_NewAccountingPronouncementsNotYetAdoptedPolicyPolicyTextBlock" xlink:to="PESI_NewAccountingPronouncementsNotYetAdoptedPolicyPolicyTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_NewAccountingPronouncementsNotYetAdoptedPolicyPolicyTextBlock_doc" xml:lang="en-US">Disclosure of accounting policy for new accounting pronouncements that has been issued, but not yet adopted [Policy Text Block].</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DeferredTaxLiabilitiesAdjustment" xlink:to="PESI_DeferredTaxLiabilitiesAdjustment_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DeferredTaxLiabilitiesAdjustment_doc" xml:lang="en-US">Deferred tax liabilities, 481 (a) adjustment.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CommonStockHeldInTreasuryMember" xlink:to="PESI_CommonStockHeldInTreasuryMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_CommonStockHeldInTreasuryMember_doc" xml:lang="en-US">Common Stock Held In Treasury [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_NoncontrollingInterestInSubsidiaryMember" xlink:to="PESI_NoncontrollingInterestInSubsidiaryMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_NoncontrollingInterestInSubsidiaryMember_doc" xml:lang="en-US">Noncontrolling Interest In Subsidiary [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_IndefiniteLivedIntangibleAssets" xlink:to="PESI_IndefiniteLivedIntangibleAssets_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_IndefiniteLivedIntangibleAssets_doc" xml:lang="en-US">Indefinite lived intangible assets.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CapitalLossCarryforward" xlink:to="PESI_CapitalLossCarryforward_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_CapitalLossCarryforward_doc" xml:lang="en-US">Capital loss carryforward.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PppLoanForgiveness" xlink:to="PESI_PppLoanForgiveness_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PppLoanForgiveness_doc" xml:lang="en-US">Ppp loan forgiveness.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DebtForgivenessPFMPoland" xlink:to="PESI_DebtForgivenessPFMPoland_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DebtForgivenessPFMPoland_doc" xml:lang="en-US">Debt forgiveness PFM Poland.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TrueupOfDeferredTaxItems" xlink:to="PESI_TrueupOfDeferredTaxItems_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_TrueupOfDeferredTaxItems_doc" xml:lang="en-US">Trueup of deferred tax Items.</link:label>
      <link:loc xlink:type="locator" xlink:href="pesi-20211231.xsd#PESI_AdjustmentToAdditionalPaidInCapitalDeconsolidationOfSubsidiary" xlink:label="PESI_AdjustmentToAdditionalPaidInCapitalDeconsolidationOfSubsidiary" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AdjustmentToAdditionalPaidInCapitalDeconsolidationOfSubsidiary" xlink:to="PESI_AdjustmentToAdditionalPaidInCapitalDeconsolidationOfSubsidiary_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_AdjustmentToAdditionalPaidInCapitalDeconsolidationOfSubsidiary_doc" xml:lang="en-US">Adjustment to additional paid in capital deconsolidation of subsidiary.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LesseeOperatingAndFinanceLeasesTextBlock" xlink:to="PESI_LesseeOperatingAndFinanceLeasesTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_LesseeOperatingAndFinanceLeasesTextBlock_doc" xml:lang="en-US">The entire disclosure for finance and operating leases of lessee. Includes, but is not limited to description of lease and maturity analysis of lease liability.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ScheduleOfWeightedAverageLeaseTableTextBlock" xlink:to="PESI_ScheduleOfWeightedAverageLeaseTableTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ScheduleOfWeightedAverageLeaseTableTextBlock_doc" xml:lang="en-US">Schedule of Weighted Average Lease [Table Text Block]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock" xlink:to="PESI_OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock_doc" xml:lang="en-US">Tabular disclosure of undiscounted cash flows of operating lease and finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease and finance lease liability recognized in statement of financial position.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ScheduleOfSupplementalCashFlowAndOtherInformationRelatedToLeasesTableTextBlock" xlink:to="PESI_ScheduleOfSupplementalCashFlowAndOtherInformationRelatedToLeasesTableTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ScheduleOfSupplementalCashFlowAndOtherInformationRelatedToLeasesTableTextBlock_doc" xml:lang="en-US">Schedule of supplemental cash flow and other information related to leases [Table Text Block]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesProvision" xlink:to="PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesProvision_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesProvision_doc" xml:lang="en-US">Increase/decrease in allowance for doubtful account due to provision or recovery of bad debt reserves.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff" xlink:to="PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff_doc" xml:lang="en-US">Increase/decrease in allowance for doubtful account due to recovery of write off or write off.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_FinanceLease" xlink:to="PESI_FinanceLease_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_FinanceLease_doc" xml:lang="en-US">Finance Leases.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_MaximumAllowableCoverageOfInsurancePolicy" xlink:to="PESI_MaximumAllowableCoverageOfInsurancePolicy_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_MaximumAllowableCoverageOfInsurancePolicy_doc" xml:lang="en-US">Maximum allowable coverage of insurance policy against annual inflation and other performance and surety bond requirements.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ForeignSubsidiariesMember" xlink:to="PESI_ForeignSubsidiariesMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ForeignSubsidiariesMember_doc" xml:lang="en-US">Foreign Subsidiaries [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ReceiptMember" xlink:to="PESI_ReceiptMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ReceiptMember_doc" xml:lang="en-US">Receipt [Member].</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_GovernmentClientsMember" xlink:to="PESI_GovernmentClientsMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_GovernmentClientsMember_doc" xml:lang="en-US">Government Clients [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ServicesSegmentMember" xlink:to="PESI_ServicesSegmentMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ServicesSegmentMember_doc" xml:lang="en-US">Services Segment [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CustomerOneMember" xlink:to="PESI_CustomerOneMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_CustomerOneMember_doc" xml:lang="en-US">Customer One [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CustomerTwoMember" xlink:to="PESI_CustomerTwoMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_CustomerTwoMember_doc" xml:lang="en-US">Customer Two [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PercentageOfRevenueRecognized" xlink:to="PESI_PercentageOfRevenueRecognized_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PercentageOfRevenueRecognized_doc" xml:lang="en-US">Percentage of revenue recognized.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ShipmentOrFinalDisposalMember" xlink:to="PESI_ShipmentOrFinalDisposalMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ShipmentOrFinalDisposalMember_doc" xml:lang="en-US">Shipment/ Final Disposal [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TreatmentOrProcessingMember" xlink:to="PESI_TreatmentOrProcessingMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_TreatmentOrProcessingMember_doc" xml:lang="en-US">Treatment/ Processing [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ReductionToRightOfUseAssetsForFinanceLeaseLiability" xlink:to="PESI_ReductionToRightOfUseAssetsForFinanceLeaseLiability_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ReductionToRightOfUseAssetsForFinanceLeaseLiability_doc" xml:lang="en-US">Reduction to right of use assets for finance lease liability.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CustomerThreeMember" xlink:to="PESI_CustomerThreeMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_CustomerThreeMember_doc" xml:lang="en-US">Customer Three [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DecommissioningValue" xlink:to="PESI_DecommissioningValue_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DecommissioningValue_doc" xml:lang="en-US">Value of a contract awarded for project work.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_IncomeTaxExpirationDescription" xlink:to="PESI_IncomeTaxExpirationDescription_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_IncomeTaxExpirationDescription_doc" xml:lang="en-US">Income tax expiration description.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_UnpaidReceivablesAndUnbilledCosts" xlink:to="PESI_UnpaidReceivablesAndUnbilledCosts_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_UnpaidReceivablesAndUnbilledCosts_doc" xml:lang="en-US">Unpaid receivables and unbilled costs.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_BondSecuringAmount" xlink:to="PESI_BondSecuringAmount_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_BondSecuringAmount_doc" xml:lang="en-US">Bond securing amount.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PermitInProgress" xlink:to="PESI_PermitInProgress_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PermitInProgress_doc" xml:lang="en-US">Costs associated with permits in progress.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PermitRenewal" xlink:to="PESI_PermitRenewal_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PermitRenewal_doc" xml:lang="en-US">Costs associated with permit renewal.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_SoftwareMember" xlink:to="PESI_SoftwareMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_SoftwareMember_doc" xml:lang="en-US">Software [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TwoThousandThreeStockPlanMember" xlink:to="PESI_TwoThousandThreeStockPlanMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_TwoThousandThreeStockPlanMember_doc" xml:lang="en-US">2003 Stock Plan [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PercentageOfDirectorsFeesDescription" xlink:to="PESI_PercentageOfDirectorsFeesDescription_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PercentageOfDirectorsFeesDescription_doc" xml:lang="en-US">Percentage of directors fees, description.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TwoThousandThreeOutsideDirectorsStockPlanMember" xlink:to="PESI_TwoThousandThreeOutsideDirectorsStockPlanMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_TwoThousandThreeOutsideDirectorsStockPlanMember_doc" xml:lang="en-US">2003 Outside Directors Stock Plan [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TwoThousandAndSeventeenStockOptionPlanMember" xlink:to="PESI_TwoThousandAndSeventeenStockOptionPlanMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_TwoThousandAndSeventeenStockOptionPlanMember_doc" xml:lang="en-US">2017 Stock Option Plan [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_OfficersAndEmployeesMember" xlink:to="PESI_OfficersAndEmployeesMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_OfficersAndEmployeesMember_doc" xml:lang="en-US">Officers and Employees [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TwoThousandTenStockOptionPlanMember" xlink:to="PESI_TwoThousandTenStockOptionPlanMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_TwoThousandTenStockOptionPlanMember_doc" xml:lang="en-US">2010 Stock Option Plan [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TwoThousandSeventeenStockPlanMember" xlink:to="PESI_TwoThousandSeventeenStockPlanMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_TwoThousandSeventeenStockPlanMember_doc" xml:lang="en-US">2017 Stock Plan [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_EVPOfStrategicInitiativesMember" xlink:to="PESI_EVPOfStrategicInitiativesMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_EVPOfStrategicInitiativesMember_doc" xml:lang="en-US">EVP of Strategic Initiatives [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TwoThousandAndThreePlanMember" xlink:to="PESI_TwoThousandAndThreePlanMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_TwoThousandAndThreePlanMember_doc" xml:lang="en-US">2003 Plan [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TwoThousandSeventeenStockOptionPlanMember" xlink:to="PESI_TwoThousandSeventeenStockOptionPlanMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_TwoThousandSeventeenStockOptionPlanMember_doc" xml:lang="en-US">2017 Stock Option Plan [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_FirstSeparateOptionsMember" xlink:to="PESI_FirstSeparateOptionsMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_FirstSeparateOptionsMember_doc" xml:lang="en-US">First Separate Options [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_SecondSeparateOptionsMember" xlink:to="PESI_SecondSeparateOptionsMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_SecondSeparateOptionsMember_doc" xml:lang="en-US">Second Separate Options [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_EmployeeAndDirectorsMember" xlink:to="PESI_EmployeeAndDirectorsMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_EmployeeAndDirectorsMember_doc" xml:lang="en-US">Employee and Directors [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_WeightedAverageTermForUnrecognizedAndUnvestedOptionToBeRecognized" xlink:to="PESI_WeightedAverageTermForUnrecognizedAndUnvestedOptionToBeRecognized_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_WeightedAverageTermForUnrecognizedAndUnvestedOptionToBeRecognized_doc" xml:lang="en-US">Weighted average term for unrecognized and unvested option to be recognized.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ConsultantMember" xlink:to="PESI_ConsultantMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ConsultantMember_doc" xml:lang="en-US">Consultant [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_RobertFergusonMember" xlink:to="PESI_RobertFergusonMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_RobertFergusonMember_doc" xml:lang="en-US">Robert Ferguson [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TwoThousandThreeOutsideDirectorsStockOptionPlanMember" xlink:to="PESI_TwoThousandThreeOutsideDirectorsStockOptionPlanMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_TwoThousandThreeOutsideDirectorsStockOptionPlanMember_doc" xml:lang="en-US">2003 Outside Directors Stock Option Plan [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_WarrantExercisableDescription" xlink:to="PESI_WarrantExercisableDescription_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_WarrantExercisableDescription_doc" xml:lang="en-US">Warrant exercisable, description.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PortionOfDirectorFeeEarnedInCommonStockMember" xlink:to="PESI_PortionOfDirectorFeeEarnedInCommonStockMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PortionOfDirectorFeeEarnedInCommonStockMember_doc" xml:lang="en-US">Portion of Director Fee Earned in Common Stock [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_The2003OutsideDirectorsStockPlanMember" xlink:to="PESI_The2003OutsideDirectorsStockPlanMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_The2003OutsideDirectorsStockPlanMember_doc" xml:lang="en-US">Represents the 2003 Outside Directors Stock Plan.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ScheduleOfNonVestedOptionsTableTextBlock" xlink:to="PESI_ScheduleOfNonVestedOptionsTableTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ScheduleOfNonVestedOptionsTableTextBlock_doc" xml:lang="en-US">Tabular disclosure of the non-vested options.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PFMPolandMember" xlink:to="PESI_PFMPolandMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PFMPolandMember_doc" xml:lang="en-US">PFM Poland [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_EmployeeStockOptionGrantedMember" xlink:to="PESI_EmployeeStockOptionGrantedMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_EmployeeStockOptionGrantedMember_doc" xml:lang="en-US">Employee Stock Option Granted [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_OutsideDirectorStockOptionsGrantedMember" xlink:to="PESI_OutsideDirectorStockOptionsGrantedMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_OutsideDirectorStockOptionsGrantedMember_doc" xml:lang="en-US">Outside Director Stock Options Granted [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage" xlink:to="PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage_doc" xml:lang="en-US">Compensation arrangement with individual, cash awards, minimum, percentage.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CEOMember" xlink:to="PESI_CEOMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_CEOMember_doc" xml:lang="en-US">CEO [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_SalesOfInterestPercentage" xlink:to="PESI_SalesOfInterestPercentage_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_SalesOfInterestPercentage_doc" xml:lang="en-US">Sales of interest percentage.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage" xlink:to="PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage_doc" xml:lang="en-US">Compensation arrangement with individual, cash awards, maximum, percentage.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ExecutiveVicePresidentOfStrategicInitiativesMember" xlink:to="PESI_ExecutiveVicePresidentOfStrategicInitiativesMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ExecutiveVicePresidentOfStrategicInitiativesMember_doc" xml:lang="en-US">EVP Of Strategic Initiatives [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember" xlink:to="PESI_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_doc" xml:lang="en-US">EVP of Nuclear And Technical Services [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_SalesAgreementMember" xlink:to="PESI_SalesAgreementMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_SalesAgreementMember_doc" xml:lang="en-US">Sales Agreement [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ExecutiveVicePresidentOfWasteTreatmentOperationsMember" xlink:to="PESI_ExecutiveVicePresidentOfWasteTreatmentOperationsMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ExecutiveVicePresidentOfWasteTreatmentOperationsMember_doc" xml:lang="en-US">EVP of Waste Treatment Operations [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount" xlink:to="PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount_doc" xml:lang="en-US">Compensation arrangement with individual, cash awards, minimum, amount.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount" xlink:to="PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount_doc" xml:lang="en-US">Maximum cash incentive payable under Management Incentive Plan.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_QuarterlyFee" xlink:to="PESI_QuarterlyFee_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_QuarterlyFee_doc" xml:lang="en-US">Fees payable to company's outside director for services.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_RevisedMember" xlink:to="PESI_RevisedMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_RevisedMember_doc" xml:lang="en-US">Revised [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PriorToRevisionMember" xlink:to="PESI_PriorToRevisionMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PriorToRevisionMember_doc" xml:lang="en-US">Prior to Revision [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ChairmanOfTheBoardMember" xlink:to="PESI_ChairmanOfTheBoardMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ChairmanOfTheBoardMember_doc" xml:lang="en-US">Chairman of the Board [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DirectorStockOptionsMember" xlink:to="PESI_DirectorStockOptionsMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DirectorStockOptionsMember_doc" xml:lang="en-US">Director Stock Options [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ChairmanOfTheAuditCommitteeMember" xlink:to="PESI_ChairmanOfTheAuditCommitteeMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ChairmanOfTheAuditCommitteeMember_doc" xml:lang="en-US">Chairman of the Audit Committee [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_BoardChairmanCommitteeFees" xlink:to="PESI_BoardChairmanCommitteeFees_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_BoardChairmanCommitteeFees_doc" xml:lang="en-US">Fees payable to board committee chairman.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ChairmanOfCompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember" xlink:to="PESI_ChairmanOfCompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ChairmanOfCompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember_doc" xml:lang="en-US">Chairman of Compensation Committee, Nominating Committee and the Strategic Committee [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AuditCommitteeMemberFees" xlink:to="PESI_AuditCommitteeMemberFees_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_AuditCommitteeMemberFees_doc" xml:lang="en-US">Fees payable to audit committee member.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AuditCommitteeMemberMember" xlink:to="PESI_AuditCommitteeMemberMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_AuditCommitteeMemberMember_doc" xml:lang="en-US">Audit Committee Member [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CommitteeMemberFees" xlink:to="PESI_CommitteeMemberFees_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_CommitteeMemberFees_doc" xml:lang="en-US">Fees payable as member of committee.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember" xlink:to="PESI_CompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_CompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember_doc" xml:lang="en-US">Compensation Committee, Nominating Committee and the Strategic Committee [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_BoardAttendanceFees" xlink:to="PESI_BoardAttendanceFees_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_BoardAttendanceFees_doc" xml:lang="en-US">Fees payable for telephonic board attendance.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_NonEmployeeBoardMemberMember" xlink:to="PESI_NonEmployeeBoardMemberMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_NonEmployeeBoardMemberMember_doc" xml:lang="en-US">Non-Employee Board Member [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_FeesPayableDescripton" xlink:to="PESI_FeesPayableDescripton_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_FeesPayableDescripton_doc" xml:lang="en-US">Fees payable descripton.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_NonEmployeeDirectorMember" xlink:to="PESI_NonEmployeeDirectorMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_NonEmployeeDirectorMember_doc" xml:lang="en-US">Non-Employee Director [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_BoardMeetingAttendanceDescription" xlink:to="PESI_BoardMeetingAttendanceDescription_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_BoardMeetingAttendanceDescription_doc" xml:lang="en-US">Board meeting attendance description.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TransactionCosts" xlink:to="PESI_TransactionCosts_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_TransactionCosts_doc" xml:lang="en-US">Transaction costs.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_FinancedPortionAmountInPurchaseOfCapitalExpenditure" xlink:to="PESI_FinancedPortionAmountInPurchaseOfCapitalExpenditure_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_FinancedPortionAmountInPurchaseOfCapitalExpenditure_doc" xml:lang="en-US">Financed portion amount in the purchase of capital expenditure.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PaycheckProtectionProgramLoanMember" xlink:to="PESI_PaycheckProtectionProgramLoanMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PaycheckProtectionProgramLoanMember_doc" xml:lang="en-US">Paycheck Protection Program Loan [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PFMedicalTextBlock" xlink:to="PESI_PFMedicalTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PFMedicalTextBlock_doc" xml:lang="en-US">Entire disclosure on deconsolidation of a subsidiary.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ScheduleOfLossOnDeconsolidationTableTextBlock" xlink:to="PESI_ScheduleOfLossOnDeconsolidationTableTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ScheduleOfLossOnDeconsolidationTableTextBlock_doc" xml:lang="en-US">Tabular disclosure of the loss on deconsolidation.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_NoteReceivableConsiderationReceived" xlink:to="PESI_NoteReceivableConsiderationReceived_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_NoteReceivableConsiderationReceived_doc" xml:lang="en-US">Note receivable consideration received.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CarryingAmountOfNoncontrollingInterest" xlink:to="PESI_CarryingAmountOfNoncontrollingInterest_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_CarryingAmountOfNoncontrollingInterest_doc" xml:lang="en-US">Carrying amount of noncontrolling interest.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CarryingAmountOfAccumulatedOtherComprehensiveLoss" xlink:to="PESI_CarryingAmountOfAccumulatedOtherComprehensiveLoss_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_CarryingAmountOfAccumulatedOtherComprehensiveLoss_doc" xml:lang="en-US">Carrying amount of accumulated other comprehensive loss.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_SubscriptionAgreementsMember" xlink:to="PESI_SubscriptionAgreementsMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_SubscriptionAgreementsMember_doc" xml:lang="en-US">Subscription Agreements [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_NetLiabilities" xlink:to="PESI_NetLiabilities_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_NetLiabilities_doc" xml:lang="en-US">Net liabilities.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PlacementAgencyAgreementMember" xlink:to="PESI_PlacementAgencyAgreementMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PlacementAgencyAgreementMember_doc" xml:lang="en-US">Placement Agency Agreement [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale" xlink:to="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_doc" xml:lang="en-US">Amount classified as assets attributable to disposal group held for sale, disposed of, including assets not held for sale.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AntidilutiveSecuritiesOfWarrantsExcludedFromComputationOfEarningsPerShareAmount" xlink:to="PESI_AntidilutiveSecuritiesOfWarrantsExcludedFromComputationOfEarningsPerShareAmount_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_AntidilutiveSecuritiesOfWarrantsExcludedFromComputationOfEarningsPerShareAmount_doc" xml:lang="en-US">Potential shares excluded from above weighted average share calculations due to their anti-dilutive effect include: Warrant.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisposalGroupsIncludingDiscontinuedOperationBalanceSheetTableTextBlock" xlink:to="PESI_DisposalGroupsIncludingDiscontinuedOperationBalanceSheetTableTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DisposalGroupsIncludingDiscontinuedOperationBalanceSheetTableTextBlock_doc" xml:lang="en-US">Tabular disclosure of information related to a disposal group for the balance sheet. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale" xlink:to="PESI_DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale_doc" xml:lang="en-US">Amount classified as other assets attributable to discontinued operations not held for sale.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale" xlink:to="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale_doc" xml:lang="en-US">Amount classified as current assets attributable to discontinued operations not held for sale.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent" xlink:to="PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent_doc" xml:lang="en-US">Amount classified as property, plant and equipment attributable to discontinued operations not held for sale.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent" xlink:to="PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent_doc" xml:lang="en-US">Amount classified as assets attributable to discontinued operations not held for sale.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale" xlink:to="PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale_doc" xml:lang="en-US">Amount classified as current and noncurrent assets attributable to discontinued operations not held for sale.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale" xlink:to="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale_doc" xml:lang="en-US">Amount classified as accounts payable attributable to discontinued operations not held for sale.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities" xlink:to="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities_doc" xml:lang="en-US">Amount classified as accounts payable and accrued liabilities attributable to discontinued operations not held for sale.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities" xlink:to="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities_doc" xml:lang="en-US">Amount classified as environmental liabilities attributable to discontinued operations not held for sale.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale" xlink:to="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale_doc" xml:lang="en-US">Amount classified as liabilities attributable to discontinued operations not held for sale.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale" xlink:to="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale_doc" xml:lang="en-US">Represents closure liabilities of discontinued operations not held for sale.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities" xlink:to="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities_doc" xml:lang="en-US">Amount classified as environmental liabilities attributable to discontinued operations not held for sale.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale" xlink:to="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale_doc" xml:lang="en-US">Amount classified as liabilities attributable to discontinued operations not held for sale.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale" xlink:to="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale_doc" xml:lang="en-US">Amount classified as liabilities attributable to discontinued operations not held for sale.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PFDMember" xlink:to="PESI_PFDMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PFDMember_doc" xml:lang="en-US">PFD [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PFMMember" xlink:to="PESI_PFMMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PFMMember_doc" xml:lang="en-US">PFM [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PFSGMember" xlink:to="PESI_PFSGMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PFSGMember_doc" xml:lang="en-US">PFSG [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_StockOptionOutstandingMember" xlink:to="PESI_StockOptionOutstandingMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_StockOptionOutstandingMember_doc" xml:lang="en-US">Stock Option Outstanding [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_StockOptionExercisableMember" xlink:to="PESI_StockOptionExercisableMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_StockOptionExercisableMember_doc" xml:lang="en-US">Stock Option Exercisable [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PermaFixOfMemphisIncMember" xlink:to="PESI_PermaFixOfMemphisIncMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PermaFixOfMemphisIncMember_doc" xml:lang="en-US">Perma-Fix of Memphis, Inc. [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_RevisedLoanAgreementMember" xlink:to="PESI_RevisedLoanAgreementMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_RevisedLoanAgreementMember_doc" xml:lang="en-US">The name for the particular debt instrument or borrowing that distinguishes it from other debt instruments or borrowings, including draws against credit facilities.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PNCBankMember" xlink:to="PESI_PNCBankMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PNCBankMember_doc" xml:lang="en-US">The agent and lender known as PNC National Association ("PNC").</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_SalePercentage" xlink:to="PESI_SalePercentage_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_SalePercentage_doc" xml:lang="en-US">Sales percentage.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TermLoanMember" xlink:to="PESI_TermLoanMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_TermLoanMember_doc" xml:lang="en-US">Represents the term loan.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PaycheckProtectionProgramMember" xlink:to="PESI_PaycheckProtectionProgramMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PaycheckProtectionProgramMember_doc" xml:lang="en-US">Paycheck Protection Program [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LoanAgreementMember" xlink:to="PESI_LoanAgreementMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_LoanAgreementMember_doc" xml:lang="en-US">Loan Agreement [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LenderMember" xlink:to="PESI_LenderMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_LenderMember_doc" xml:lang="en-US">Lender [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_RevolvingCreditMember" xlink:to="PESI_RevolvingCreditMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_RevolvingCreditMember_doc" xml:lang="en-US">Represents the revolving credit.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_RelatedPartyPromissoryNoteOneMember" xlink:to="PESI_RelatedPartyPromissoryNoteOneMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_RelatedPartyPromissoryNoteOneMember_doc" xml:lang="en-US">Promissory Note [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_NotePayableMember" xlink:to="PESI_NotePayableMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_NotePayableMember_doc" xml:lang="en-US">Note Payable [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_NotePayableOneMember" xlink:to="PESI_NotePayableOneMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_NotePayableOneMember_doc" xml:lang="en-US">Note Payable to 2023 [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DeferralOfEmploymentTaxDepositsTextBlock" xlink:to="PESI_DeferralOfEmploymentTaxDepositsTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DeferralOfEmploymentTaxDepositsTextBlock_doc" xml:lang="en-US">Deferral of Employment Tax Deposits [Text Block]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PercentageOfSocialSecurityTaxesDeferredPayable" xlink:to="PESI_PercentageOfSocialSecurityTaxesDeferredPayable_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PercentageOfSocialSecurityTaxesDeferredPayable_doc" xml:lang="en-US">Percentage of company's social security taxes deferred for fiscal year 2020 that is due in future period.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DecemberThirtyOneTwoThousandAndTwentyOneMember" xlink:to="PESI_DecemberThirtyOneTwoThousandAndTwentyOneMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DecemberThirtyOneTwoThousandAndTwentyOneMember_doc" xml:lang="en-US">December 31, 2021 [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DeferralofEmploymentTaxDepositsMember" xlink:to="PESI_DeferralofEmploymentTaxDepositsMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DeferralofEmploymentTaxDepositsMember_doc" xml:lang="en-US">Deferral of Employment Tax Deposits [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DecemberThirtyOneTwoThousandAndTwentyTwoMember" xlink:to="PESI_DecemberThirtyOneTwoThousandAndTwentyTwoMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DecemberThirtyOneTwoThousandAndTwentyTwoMember_doc" xml:lang="en-US">December 31, 2022 [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_RemainingPaymentOfSocialSecurityTaxesAmount" xlink:to="PESI_RemainingPaymentOfSocialSecurityTaxesAmount_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_RemainingPaymentOfSocialSecurityTaxesAmount_doc" xml:lang="en-US">Remaining payment of social security taxes amount.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_EngineeringRemediationResourcesGroupIncMember" xlink:to="PESI_EngineeringRemediationResourcesGroupIncMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_EngineeringRemediationResourcesGroupIncMember_doc" xml:lang="en-US">Engineering/Remediation Resources Group, Inc [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PermaFixERRGMember" xlink:to="PESI_PermaFixERRGMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PermaFixERRGMember_doc" xml:lang="en-US">Perma-Fix ERRG [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PercentageIncreaseInAnnualCompensation" xlink:to="PESI_PercentageIncreaseInAnnualCompensation_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PercentageIncreaseInAnnualCompensation_doc" xml:lang="en-US">Percentage increase in annual compensation.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_OfficeFurnitureAndEquipmentMember" xlink:to="PESI_OfficeFurnitureAndEquipmentMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_OfficeFurnitureAndEquipmentMember_doc" xml:lang="en-US">Office Furniture and Equipment [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ElectionMember" xlink:to="PESI_ElectionMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ElectionMember_doc" xml:lang="en-US">Election [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ReelectionMember" xlink:to="PESI_ReelectionMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ReelectionMember_doc" xml:lang="en-US">Reelection [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_IncentiveStockOptionAgreementMember" xlink:to="PESI_IncentiveStockOptionAgreementMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_IncentiveStockOptionAgreementMember_doc" xml:lang="en-US">Incentive Stock Option Agreement [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_EVPofWasteTreatmentOperationsMember" xlink:to="PESI_EVPofWasteTreatmentOperationsMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_EVPofWasteTreatmentOperationsMember_doc" xml:lang="en-US">EVP of Waste Treatment Operations [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_EVPofNuclearandTechnicalServicesMember" xlink:to="PESI_EVPofNuclearandTechnicalServicesMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_EVPofNuclearandTechnicalServicesMember_doc" xml:lang="en-US">EVP of Nuclear and Technical Services [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_NonQualifiedStockOptionsMember" xlink:to="PESI_NonQualifiedStockOptionsMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_NonQualifiedStockOptionsMember_doc" xml:lang="en-US">Non-qualified stock options ("NQSOs") Member.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_OptionsToPurchaseSharesOfCommonStock" xlink:to="PESI_OptionsToPurchaseSharesOfCommonStock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_OptionsToPurchaseSharesOfCommonStock_doc" xml:lang="en-US">Options to purchase shares of common stock.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_FergusonStockOptionMember" xlink:to="PESI_FergusonStockOptionMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_FergusonStockOptionMember_doc" xml:lang="en-US">Ferguson Stock Option [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_SecondMilestoneMember" xlink:to="PESI_SecondMilestoneMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_SecondMilestoneMember_doc" xml:lang="en-US">Second Milestone [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ThirdMilestoneMember" xlink:to="PESI_ThirdMilestoneMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_ThirdMilestoneMember_doc" xml:lang="en-US">Third Milestone [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CashFee" xlink:to="PESI_CashFee_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_CashFee_doc" xml:lang="en-US">Cash fee percentage.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_WellingtonShieldsandCoMember" xlink:to="PESI_WellingtonShieldsandCoMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_WellingtonShieldsandCoMember_doc" xml:lang="en-US">Wellington Shieldsand Co [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LeanderMember" xlink:to="PESI_LeanderMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_LeanderMember_doc" xml:lang="en-US">Leander [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_AcquiredPrice" xlink:to="PESI_AcquiredPrice_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_AcquiredPrice_doc" xml:lang="en-US">Acquired price.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CanadianNuclearLaboratoriesLTDMember" xlink:to="PESI_CanadianNuclearLaboratoriesLTDMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_CanadianNuclearLaboratoriesLTDMember_doc" xml:lang="en-US">Canadian Nuclear Laboratories LTD [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DomesticAndForeignGovernmentMember" xlink:to="PESI_DomesticAndForeignGovernmentMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DomesticAndForeignGovernmentMember_doc" xml:lang="en-US">Domestic and Foreign Government [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PaymentOfSocialSecurityTaxesAmount" xlink:to="PESI_PaymentOfSocialSecurityTaxesAmount_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PaymentOfSocialSecurityTaxesAmount_doc" xml:lang="en-US">Payment of social security taxes amount.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_SocialSecurityTaxesAmountPayable" xlink:to="PESI_SocialSecurityTaxesAmountPayable_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_SocialSecurityTaxesAmountPayable_doc" xml:lang="en-US">Social security taxes amount payable.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DeferredTaxAssetsLiabilities" xlink:to="PESI_DeferredTaxAssetsLiabilities_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_DeferredTaxAssetsLiabilities_doc" xml:lang="en-US">Amount, after allocation of valuation allowances and deferred tax asset and liability attributable to deductible differences and carryforwards, without jurisdictional netting.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_PaymentsToOffering" xlink:to="PESI_PaymentsToOffering_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_PaymentsToOffering_doc" xml:lang="en-US">Agreed upon payment to placement agent in connection with Offering.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_OfferingCostThreshold" xlink:to="PESI_OfferingCostThreshold_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_OfferingCostThreshold_doc" xml:lang="en-US">Offering cost threshold.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_OfferingCostPaid" xlink:to="PESI_OfferingCostPaid_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_OfferingCostPaid_doc" xml:lang="en-US">Offering cost paid.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_EligibleExpensesUnderPPPLoan" xlink:to="PESI_EligibleExpensesUnderPPPLoan_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_EligibleExpensesUnderPPPLoan_doc" xml:lang="en-US">Eligible expenses incurred in connection with the Paycheck Protection Program Loan.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_InterestForgiveness" xlink:to="PESI_InterestForgiveness_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_InterestForgiveness_doc" xml:lang="en-US">Interest forgiveness.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_CapitalExpenditureMember" xlink:to="PESI_CapitalExpenditureMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_CapitalExpenditureMember_doc" xml:lang="en-US">Capital Expenditure [Member]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_FixedAssetsOfFinanceLease" xlink:to="PESI_FixedAssetsOfFinanceLease_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="PESI_FixedAssetsOfFinanceLease_doc" xml:lang="en-US">Fixed assets of finance lease.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_TwoThousandSeventeenStockOptionPlanMember" xlink:to="PESI_TwoThousandSeventeenStockOptionPlanMember_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_TwoThousandSeventeenStockOptionPlanMember_3_lbl" xml:lang="en-US">2017 Stock Option Plan [Member] [Default Label]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_The2003OutsideDirectorsStockPlanMember" xlink:to="PESI_The2003OutsideDirectorsStockPlanMember_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_The2003OutsideDirectorsStockPlanMember_3_lbl" xml:lang="en-US">2003 Outside Directors Stock Plan [Member] [Default Label]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ExecutiveVicePresidentOfStrategicInitiativesMember" xlink:to="PESI_ExecutiveVicePresidentOfStrategicInitiativesMember_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ExecutiveVicePresidentOfStrategicInitiativesMember_3_lbl" xml:lang="en-US">EVP of Strategic Initiatives [Member] [Default Label]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ExecutiveVicePresidentOfWasteTreatmentOperationsMember" xlink:to="PESI_ExecutiveVicePresidentOfWasteTreatmentOperationsMember_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ExecutiveVicePresidentOfWasteTreatmentOperationsMember_3_lbl" xml:lang="en-US">EVP of Waste Treatment Operations [Member] [Default Label]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrent_2_lbl" xml:lang="en-US">Assets, Current</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentGross" xlink:to="us-gaap_PropertyPlantAndEquipmentGross_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_2_lbl" xml:lang="en-US">Property, Plant and Equipment, Gross</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_2_lbl" xml:lang="en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrent_2_lbl" xml:lang="en-US">Liabilities, Current</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesNoncurrent" xlink:to="us-gaap_LiabilitiesNoncurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesNoncurrent_2_lbl" xml:lang="en-US">Liabilities, Noncurrent</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_Liabilities_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Liabilities_3_lbl" xml:lang="en-US">Liabilities</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockValue" xlink:to="us-gaap_TreasuryStockValue_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TreasuryStockValue_2_lbl" xml:lang="en-US">Treasury Stock, Value</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquity_2_lbl" xml:lang="en-US">Stockholders' Equity Attributable to Parent</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_4_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_4_lbl" xml:lang="en-US">Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_2_lbl" xml:lang="en-US">Liabilities and Equity</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesOutstanding_2_lbl" xml:lang="en-US">Common Stock, Shares, Outstanding</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnDispositionOfAssets1" xlink:to="us-gaap_GainLossOnDispositionOfAssets1_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnDispositionOfAssets1_2_lbl" xml:lang="en-US">Gain (Loss) on Disposition of Assets</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingIncomeLoss_2_lbl" xml:lang="en-US">Operating Income (Loss)</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpense" xlink:to="us-gaap_InterestExpense_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestExpense_2_lbl" xml:lang="en-US">Interest Expense</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingInterestExpense" xlink:to="us-gaap_FinancingInterestExpense_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinancingInterestExpense_2_lbl" xml:lang="en-US">Financing Interest Expense</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:to="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_2_lbl" xml:lang="en-US">Income (Loss) from Continuing Operations, Per Diluted Share</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_2_lbl" xml:lang="en-US">Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossNetOfTax_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_2_lbl" xml:lang="en-US">Other Comprehensive Income (Loss), Net of Tax</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:to="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_2_lbl" xml:lang="en-US">Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="us-gaap_ComprehensiveIncomeNetOfTax_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_2_lbl" xml:lang="en-US">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesIssued" xlink:to="us-gaap_SharesIssued_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharesIssued_3_lbl" xml:lang="en-US">Shares, Issued</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnDispositionOfAssets" xlink:to="us-gaap_GainLossOnDispositionOfAssets_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnDispositionOfAssets_2_lbl" xml:lang="en-US">Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:to="us-gaap_IncreaseDecreaseInAccountsReceivable_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_2_lbl" xml:lang="en-US">Increase (Decrease) in Accounts Receivable</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:to="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_2_lbl" xml:lang="en-US">Increase (Decrease) in Prepaid Expense and Other Assets</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_2_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities, Continuing Operations</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_2_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashDivestedFromDeconsolidation" xlink:to="us-gaap_CashDivestedFromDeconsolidation_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashDivestedFromDeconsolidation_2_lbl" xml:lang="en-US">Cash Divested from Deconsolidation</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_2_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities, Continuing Operations</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_2_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfLinesOfCredit" xlink:to="us-gaap_RepaymentsOfLinesOfCredit_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RepaymentsOfLinesOfCredit_2_lbl" xml:lang="en-US">Repayments of Lines of Credit</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfLongTermDebt" xlink:to="us-gaap_RepaymentsOfLongTermDebt_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RepaymentsOfLongTermDebt_2_lbl" xml:lang="en-US">Repayments of Long-term Debt</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDebtIssuanceCosts" xlink:to="us-gaap_PaymentsOfDebtIssuanceCosts_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts_2_lbl" xml:lang="en-US">Payments of Debt Issuance Costs</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_2_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_2_lbl" xml:lang="en-US">Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_3_lbl" xml:lang="en-US">Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryPolicyTextBlock" xlink:to="us-gaap_InventoryPolicyTextBlock_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryPolicyTextBlock_2_lbl" xml:lang="en-US">Inventory, Policy [Policy Text Block]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeLeasesPolicyTextBlock" xlink:to="us-gaap_LesseeLeasesPolicyTextBlock_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LesseeLeasesPolicyTextBlock_2_lbl" xml:lang="en-US">Lessee, Leases [Policy Text Block]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:to="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_2_lbl" xml:lang="en-US">Share-based Payment Arrangement [Policy Text Block]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_FinanceLease" xlink:to="PESI_FinanceLease_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_FinanceLease_3_lbl" xml:lang="en-US">Finance Leases</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseCost" xlink:to="us-gaap_LeaseCost_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LeaseCost_2_lbl" xml:lang="en-US">Lease, Cost</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_2_lbl" xml:lang="en-US">Lessee, Operating Lease, Liability, Undiscounted Excess Amount</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount" xlink:to="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_2_lbl" xml:lang="en-US">Finance Lease, Liability, Undiscounted Excess Amount</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ReductionToRightOfUseAssetsForFinanceLeaseLiability" xlink:to="PESI_ReductionToRightOfUseAssetsForFinanceLeaseLiability_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ReductionToRightOfUseAssetsForFinanceLeaseLiability_3_lbl" xml:lang="en-US">ReductionToRightOfUseAssetsForFinanceLeaseLiability</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_3_lbl" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_2_lbl" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_3_lbl" xlink:type="arc" />
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_3_lbl" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Option, Nonvested, Weighted Average Exercise Price</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent_3_lbl" xml:lang="en-US">DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale" xlink:to="PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale_3_lbl" xml:lang="en-US">DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale_3_lbl" xml:lang="en-US">DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale_3_lbl" xml:lang="en-US">LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities" xlink:to="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities_3_lbl" xml:lang="en-US">LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale" xlink:to="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale_3_lbl" xml:lang="en-US">LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation" xlink:to="us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_2_lbl" xlink:type="arc" />
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_2_lbl" xlink:type="arc" />
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_2_lbl" xlink:type="arc" />
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_2_lbl" xlink:type="arc" />
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_2_lbl" xlink:type="arc" />
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentCarryingAmount" xlink:to="us-gaap_DebtInstrumentCarryingAmount_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentCarryingAmount_2_lbl" xml:lang="en-US">Long-term Debt, Gross</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAccruedLiabilitiesCurrent" xlink:to="us-gaap_OtherAccruedLiabilitiesCurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent_2_lbl" xml:lang="en-US">Other Accrued Liabilities, Current</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PESI_ClosureAndPostClosureAssets" xlink:to="PESI_ClosureAndPostClosureAssets_4_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_ClosureAndPostClosureAssets_4_lbl" xml:lang="en-US">ClosureAndPostClosureAssets</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="PESI_IndefiniteLivedIntangibleAssets_3_lbl" xml:lang="en-US">Indefinite lived intangible assets</link:label>
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</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>16
<FILENAME>pesi-20211231_pre.xml
<DESCRIPTION>INLINE XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="US-ASCII" standalone="no"?>
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    <!-- Field: Doc-Info; Name: VendorURI; Value: https://www.novaworks.com -->
    <!-- Field: Doc-Info; Name: Status; Value: 0x00000000 -->
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    <link:roleRef roleURI="http://perma-fix.com/role/StatementOfStockholdersEquity" xlink:href="pesi-20211231.xsd#StatementOfStockholdersEquity" xlink:type="simple" />
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374706056360">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Cover - USD ($)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
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<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Feb. 14, 2022</div></th>
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<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressAddressLine2', window );">Entity Address, Address Line Two</a></td>
<td class="text">#250<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">Atlanta<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">GA<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">30350<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">(770)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">587-9898<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Common
    Stock, $.001 Par Value<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">PESI<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NASDAQ<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityWellKnownSeasonedIssuer', window );">Entity Well-known Seasoned Issuer</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityVoluntaryFilers', window );">Entity Voluntary Filers</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityCurrentReportingStatus', window );">Entity Current Reporting Status</a></td>
<td class="text">Yes<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityInteractiveDataCurrent', window );">Entity Interactive Data Current</a></td>
<td class="text">Yes<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityFilerCategory', window );">Entity Filer Category</a></td>
<td class="text">Accelerated Filer<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntitySmallBusiness', window );">Entity Small Business</a></td>
<td class="text">true<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityShellCompany', window );">Entity Shell Company</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityPublicFloat', window );">Entity Public Float</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 81,266,400<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityCommonStockSharesOutstanding', window );">Entity Common Stock, Shares Outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">13,234,430<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentsIncorporatedByReferenceTextBlock', window );">Documents Incorporated by Reference</a></td>
<td class="text">None<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_IcfrAuditorAttestationFlag', window );">ICFR Auditor Attestation Flag</a></td>
<td class="text">true<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_AuditorFirmId', window );">Auditor Firm ID</a></td>
<td class="text">248<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_AuditorName', window );">Auditor Name</a></td>
<td class="text">GRANT THORNTON LLP<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_AuditorLocation', window );">Auditor Location</a></td>
<td class="text">Atlanta,
Georgia<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AmendmentFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AmendmentFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AuditorFirmId">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>PCAOB issued Audit Firm Identifier</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 10-K<br> -Number 249<br> -Section 310<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 20-F<br> -Number 249<br> -Section 220<br> -Subsection f<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 40-F<br> -Number 249<br> -Section 240<br> -Subsection f<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AuditorFirmId</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:nonemptySequenceNumberItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AuditorLocation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 10-K<br> -Number 249<br> -Section 310<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 20-F<br> -Number 249<br> -Section 220<br> -Subsection f<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 40-F<br> -Number 249<br> -Section 240<br> -Subsection f<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AuditorLocation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:internationalNameItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AuditorName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 10-K<br> -Number 249<br> -Section 310<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 20-F<br> -Number 249<br> -Section 220<br> -Subsection f<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 40-F<br> -Number 249<br> -Section 240<br> -Subsection f<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AuditorName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:internationalNameItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CityAreaCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CityAreaCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CoverAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cover page.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CoverAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CurrentFiscalYearEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>End date of current fiscal year in the format --MM-DD.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CurrentFiscalYearEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:gMonthDayItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentAnnualReport">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true only for a form used as an annual report.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 10-K<br> -Number 249<br> -Section 310<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 20-F<br> -Number 249<br> -Section 220<br> -Subsection f<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 40-F<br> -Number 249<br> -Section 240<br> -Subsection f<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentAnnualReport</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentFiscalPeriodFocus">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fiscal period values are FY, Q1, Q2, and Q3.  1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentFiscalPeriodFocus</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fiscalPeriodItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentFiscalYearFocus">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentFiscalYearFocus</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:gYearItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period.  The format of the date is YYYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentTransitionReport">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true only for a form used as a transition report.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Forms 10-K, 10-Q, 20-F<br> -Number 240<br> -Section 13<br> -Subsection a-1<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentTransitionReport</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentType</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentsIncorporatedByReferenceTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Documents incorporated by reference.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-23<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentsIncorporatedByReferenceTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Address Line 1 such as Attn, Building Name, Street Name</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Address Line 2 such as Street or Suite number</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressCityOrTown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressCityOrTown</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressPostalZipCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressPostalZipCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressStateOrProvince">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressStateOrProvince</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:stateOrProvinceItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:centralIndexKeyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCommonStockSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCommonStockSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCurrentReportingStatus">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCurrentReportingStatus</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityEmergingGrowthCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityEmergingGrowthCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFileNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFileNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fileNumberItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFilerCategory">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFilerCategory</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:filerCategoryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityIncorporationStateCountryCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Two-character EDGAR code representing the state or country of incorporation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityIncorporationStateCountryCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarStateCountryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityInteractiveDataCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation S-T<br> -Number 232<br> -Section 405<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityInteractiveDataCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityPublicFloat">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityPublicFloat</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityShellCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityShellCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntitySmallBusiness">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicates that the company is a Smaller Reporting Company (SRC).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntitySmallBusiness</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityTaxIdentificationNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityTaxIdentificationNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:employerIdItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityVoluntaryFilers">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityVoluntaryFilers</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityWellKnownSeasonedIssuer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<br> -Section 405<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityWellKnownSeasonedIssuer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_IcfrAuditorAttestationFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 10-K<br> -Number 249<br> -Section 310<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 20-F<br> -Number 249<br> -Section 220<br> -Subsection f<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 40-F<br> -Number 249<br> -Section 240<br> -Subsection f<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_IcfrAuditorAttestationFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LocalPhoneNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LocalPhoneNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_Security12bTitle">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_Security12bTitle</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:securityTitleItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SecurityExchangeName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the Exchange on which a security is registered.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection d1-1<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SecurityExchangeName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarExchangeCodeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_TradingSymbol">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Trading symbol of an instrument as listed on an exchange.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_TradingSymbol</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:tradingSymbolItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374704363256">
<tr>
<th class="tl" colspan="2" rowspan="1"><div style="width: 200px;"><strong>Consolidated Balance Sheets - USD ($)<br></strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsCurrentAbstract', window );"><strong>Current assets:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsAtCarryingValue', window );">Cash</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 4,440,000<span></span>
</td>
<td class="nump">$ 7,924,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsReceivableNetCurrent', window );">Accounts receivable, net of allowance for doubtful accounts of $85 and $404, respectively</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">11,372,000<span></span>
</td>
<td class="nump">9,659,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnbilledReceivablesCurrent', window );">Unbilled receivables</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">8,995,000<span></span>
</td>
<td class="nump">14,453,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryNet', window );">Inventories</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">680,000<span></span>
</td>
<td class="nump">610,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PrepaidExpenseAndOtherAssetsCurrent', window );">Prepaid and other assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">4,472,000<span></span>
</td>
<td class="nump">3,967,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent', window );">Current assets related to discontinued operations</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">15,000<span></span>
</td>
<td class="nump">22,000<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsCurrent', window );">Total current assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">29,974,000<span></span>
</td>
<td class="nump">36,635,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentNetAbstract', window );"><strong>Property and equipment:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_BuildingsAndLand', window );">Buildings and land</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">20,631,000<span></span>
</td>
<td class="nump">20,139,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MachineryAndEquipmentGross', window );">Equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">22,131,000<span></span>
</td>
<td class="nump">22,090,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_Vehicles', window );">Vehicles</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">443,000<span></span>
</td>
<td class="nump">457,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LeaseholdImprovementsGross', window );">Leasehold improvements</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">23,000<span></span>
</td>
<td class="nump">23,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FurnitureAndFixturesGross', window );">Office furniture and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">1,316,000<span></span>
</td>
<td class="nump">1,413,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConstructionInProgressGross', window );">Construction-in-progress</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">2,997,000<span></span>
</td>
<td class="nump">1,569,000<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Total property and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">47,541,000<span></span>
</td>
<td class="nump">45,691,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment', window );">Less accumulated depreciation</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(28,932,000)<span></span>
</td>
<td class="num">(27,908,000)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentNet', window );">Net property and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">18,609,000<span></span>
</td>
<td class="nump">17,783,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentIncludingNotHeldForSale', window );">Property and equipment related to discontinued operations</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">81,000<span></span>
</td>
<td class="nump">81,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseRightOfUseAsset', window );">Operating lease right-of-use assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">2,460,000<span></span>
</td>
<td class="nump">2,287,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract', window );"><strong>Intangibles and other long term assets:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_Permits', window );">Permits</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">9,476,000<span></span>
</td>
<td class="nump">8,922,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherIntangibleAssetsNet', window );">Other intangible assets - net</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">894,000<span></span>
</td>
<td class="nump">875,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RestrictedCashNoncurrent', window );">Finite risk sinking fund (restricted cash)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">11,471,000<span></span>
</td>
<td class="nump">11,446,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxAssetsNet', window );">Deferred tax assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">3,527,000<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAssetsNoncurrent', window );">Other assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">809,000<span></span>
</td>
<td class="nump">890,000<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Total assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">77,301,000<span></span>
</td>
<td class="nump">78,919,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesCurrentAbstract', window );"><strong>Current liabilities:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsPayableCurrent', window );">Accounts payable</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">11,975,000<span></span>
</td>
<td class="nump">15,382,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedLiabilitiesCurrent', window );">Accrued expenses</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">5,078,000<span></span>
</td>
<td class="nump">6,381,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DisposalTransportationAccrual', window );">Disposal/transportation accrual</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">1,065,000<span></span>
</td>
<td class="nump">1,220,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueCurrent', window );">Deferred revenue</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">5,580,000<span></span>
</td>
<td class="nump">4,614,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCosts', window );">Accrued closure costs - current</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">578,000<span></span>
</td>
<td class="nump">75,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtCurrent', window );">Current portion of long-term debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">393,000<span></span>
</td>
<td class="nump">3,595,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiabilityCurrent', window );">Current portion of operating lease liabilities</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">406,000<span></span>
</td>
<td class="nump">273,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeaseLiabilityCurrent', window );">Current portion of finance lease liabilities</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">333,000<span></span>
</td>
<td class="nump">525,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent', window );">Current liabilities related to discontinued operations</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">506,000<span></span>
</td>
<td class="nump">898,000<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesCurrent', window );">Total current liabilities</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">25,914,000<span></span>
</td>
<td class="nump">32,963,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent', window );">Accrued closure costs</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">6,613,000<span></span>
</td>
<td class="nump">6,290,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxLiabilitiesNet', window );">Deferred tax liabilities</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text"> <span></span>
</td>
<td class="nump">471,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtNoncurrent', window );">Long-term debt, less current portion</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">600,000<span></span>
</td>
<td class="nump">3,134,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiabilityNoncurrent', window );">Long-term operating lease liabilities, less current portion</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">2,029,000<span></span>
</td>
<td class="nump">2,070,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeaseLiabilityNoncurrent', window );">Long-term finance lease liabilities, less current portion</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">884,000<span></span>
</td>
<td class="nump">662,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherLiabilitiesNoncurrent', window );">Other long-term liabilities</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text"> <span></span>
</td>
<td class="nump">626,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleNoncurrent', window );">Long-term liabilities related to discontinued operations</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">677,000<span></span>
</td>
<td class="nump">252,000<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesNoncurrent', window );">Total long-term liabilities</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">10,803,000<span></span>
</td>
<td class="nump">13,505,000<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Liabilities', window );">Total liabilities</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">36,717,000<span></span>
</td>
<td class="nump">46,468,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommitmentsAndContingencies', window );">Commitments and Contingencies (Note 15)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityAbstract', window );"><strong>Stockholders&#8217; Equity:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockValue', window );">Preferred Stock, $.001 par value; 2,000,000 shares authorized, no shares issued and outstanding</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockValue', window );">Common Stock, $.001 par value; 30,000,000 shares authorized; 13,222,552 and 12,161,539 shares issued, respectively; 13,214,910 and 12,153,897 shares outstanding, respectively</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">13,000<span></span>
</td>
<td class="nump">12,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdditionalPaidInCapital', window );">Additional paid-in capital</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">114,307,000<span></span>
</td>
<td class="nump">108,931,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetainedEarningsAccumulatedDeficit', window );">Accumulated deficit</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(73,620,000)<span></span>
</td>
<td class="num">(74,455,000)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax', window );">Accumulated other comprehensive loss</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(28,000)<span></span>
</td>
<td class="num">(207,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TreasuryStockValue', window );">Less Common Stock in treasury, at cost; 7,642 shares</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(88,000)<span></span>
</td>
<td class="num">(88,000)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Total Perma-Fix Environmental Services, Inc. stockholders&#8217; equity</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">40,584,000<span></span>
</td>
<td class="nump">34,193,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MinorityInterest', window );">Non-controlling interest</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text"> <span></span>
</td>
<td class="num">(1,742,000)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Total stockholders&#8217; equity</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">40,584,000<span></span>
</td>
<td class="nump">32,451,000<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesAndStockholdersEquity', window );">Total liabilities and stockholders&#8217; equity</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 77,301,000<span></span>
</td>
<td class="nump">$ 78,919,000<span></span>
</td>
</tr>
<tr><td colspan="3"></td></tr>
<tr><td colspan="3"><table class="outerFootnotes" width="100%"><tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Segment assets have been adjusted for intercompany accounts
to reflect actual assets for each segment.</td>
</tr></table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as assets attributed to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer, or assets retained by the Company upon divestiture of facility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_BuildingsAndLand">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount as of the balance sheet date of long-lived, depreciable assets that include building structures held for productive use including any addition, improvement, or renovation to the structure, such as interior masonry, interior flooring, electrical, and plumbing. And the carrying amount as of the balance sheet date of real estate held for productive use. This excludes land held for sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_BuildingsAndLand</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentIncludingNotHeldForSale">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount Classified as assets attributed to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer, or assets retained by the Company upon divestiture of facility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentIncludingNotHeldForSale</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DisposalTransportationAccrual">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disposal/transportation accrual.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DisposalTransportationAccrual</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Liabilities of disposal group including discontinued operation including not held for sale current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Liabilities of disposal group including discontinued operation including not held for sale non current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSaleNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_Permits">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount (net of any accumulated depreciation) as of the balance sheet date of operating permits having definite or indefinite lives.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_Permits</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_Vehicles">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before accumulated depreciation of vehicles used in transporting goods or used for performing services. Examples include cars, trucks and forklifts.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_Vehicles</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsReceivableNetCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=124259787&amp;loc=d3e4428-111522<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6676-107765<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124259787&amp;loc=d3e4531-111522<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsReceivableNetCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of estimated costs accrued as of the balance sheet date to comply with regulatory requirements pertaining to the retirement of a waste management facility (such as a landfill or waste treatment facility). Represents the portion that will be paid within one year or the normal operating cycle, if longer.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The estimated amount of costs required as of the balance sheet date to comply with regulatory requirements pertaining to the retirement of a waste management facility, which will be paid after one year or beyond the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 25<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=116646717&amp;loc=d3e6290-110844<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.24)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=6392692&amp;loc=d3e7535-110849<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 35<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6392603&amp;loc=d3e7037-110846<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent</td>
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<tr>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.14)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment</td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax</td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of excess of issue price over par or stated value of stock and from other transaction involving stock or stockholder. Includes, but is not limited to, additional paid-in capital (APIC) for common and preferred stock.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 65<br> -Paragraph 15<br> -Subparagraph (g)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=121322162&amp;loc=SL121327923-165333<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30)(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdditionalPaidInCapital</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Assets</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Period Type:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsCurrent</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3044-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6676-107765<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashAndCashEquivalentsAtCarryingValue</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.25)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03.(a),19)<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121557415&amp;loc=d3e14326-108349<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommitmentsAndContingencies</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
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</table></div>
</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td style="white-space:nowrap;">us-gaap_CommonStockValue</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConstructionInProgressGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredIncomeTaxAssetsNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123427490&amp;loc=d3e31931-109318<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123427490&amp;loc=d3e31917-109318<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxAssetsNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredIncomeTaxLiabilitiesNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123427490&amp;loc=d3e31931-109318<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123427490&amp;loc=d3e31917-109318<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxLiabilitiesNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredRevenueCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredRevenueCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeaseLiabilityCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123391704&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeaseLiabilityCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeaseLiabilityNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123391704&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeaseLiabilityNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FurnitureAndFixturesGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FurnitureAndFixturesGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6676-107765<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LeaseholdImprovementsGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6812-107765<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LeaseholdImprovementsGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Liabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19-26)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 50<br> -Paragraph 7<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124433192&amp;loc=SL2890621-112765<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (d)<br> -URI 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(25))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(32))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123596393&amp;loc=d3e14064-108612<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td style="white-space:nowrap;">us-gaap_LiabilitiesCurrent</td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesCurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td><strong> Period Type:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of obligation due after one year or beyond the normal operating cycle, if longer.</p></div>
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-Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(iii)(B))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442552-122756<br><br>Reference 17: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(i))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442552-122756<br><br>Reference 18: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123596393&amp;loc=d3e14064-108612<br><br>Reference 19: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442552-122756<br><br>Reference 20: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (bb)<br> -URI http://asc.fasb.org/extlink&amp;oid=123419778&amp;loc=d3e5710-111685<br><br>Reference 21: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br><br>Reference 22: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19,20)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MachineryAndEquipmentGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6812-107765<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MachineryAndEquipmentGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MinorityInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MinorityInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseLiabilityCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123391704&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseLiabilityCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseLiabilityNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123391704&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseLiabilityNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseRightOfUseAsset">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's right to use underlying asset under operating lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123391704&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseRightOfUseAsset</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherAssetsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of noncurrent assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherAssetsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherIntangibleAssetsNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after accumulated amortization of finite-lived and indefinite-lived intangible assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherIntangibleAssetsNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherLiabilitiesNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.24)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherLiabilitiesNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PrepaidExpenseAndOtherAssetsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(7))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6676-107765<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PrepaidExpenseAndOtherAssetsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.13)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(14))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 360<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=124429447&amp;loc=SL124453093-239630<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 6: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentNetAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentNetAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RestrictedCashNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6812-107765<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(17))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=SL98516268-108586<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 954<br> -SubTopic 210<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=120413173&amp;loc=SL116631458-115580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RestrictedCashNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetainedEarningsAccumulatedDeficit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cumulative amount of the reporting entity's undistributed earnings or deficit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30)(a)(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 65<br> -Paragraph 15<br> -Subparagraph (g)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=121322162&amp;loc=SL121327923-165333<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(23)(a)(4))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 40<br> -Section 65<br> -Paragraph 2<br> -Subparagraph (h)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=124501264&amp;loc=SL117420844-207641<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 40<br> -Section 65<br> -Paragraph 2<br> -Subparagraph (g)(2)(i)<br> -URI http://asc.fasb.org/extlink&amp;oid=124501264&amp;loc=SL117420844-207641<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetainedEarningsAccumulatedDeficit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SAB Topic 4.E)<br> -URI http://asc.fasb.org/extlink&amp;oid=122038336&amp;loc=d3e74512-122707<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(31))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123596393&amp;loc=d3e14064-108612<br><br>Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquity</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquityAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquityAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.</p></div>
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-SubTopic 10<br> -Section 65<br> -Paragraph 15<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=121322162&amp;loc=SL121327923-165333<br><br>Reference 28: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 848<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 65<br> -Paragraph 2<br> -Publisher FASB<br> -Subparagraph (a)(3)(iii)(03)<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TreasuryStockValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 30<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=6405834&amp;loc=d3e23315-112656<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.29,30)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6405813&amp;loc=d3e23239-112655<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TreasuryStockValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnbilledReceivablesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnbilledReceivablesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374705958312">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Consolidated Balance Sheets (Parenthetical) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementOfFinancialPositionAbstract', window );"><strong>Statement of Financial Position [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent', window );">Accounts receivable, allowance for doubtful accounts</a></td>
<td class="nump">$ 85<span></span>
</td>
<td class="nump">$ 404<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockParOrStatedValuePerShare', window );">Preferred stock, par value</a></td>
<td class="nump">$ 0.001<span></span>
</td>
<td class="nump">$ 0.001<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesAuthorized', window );">Preferred stock, shares authorized</a></td>
<td class="nump">2,000,000<span></span>
</td>
<td class="nump">2,000,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesIssued', window );">Preferred stock, shares issued</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesOutstanding', window );">Preferred stock, shares outstanding</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockParOrStatedValuePerShare', window );">Common stock, par value</a></td>
<td class="nump">$ 0.001<span></span>
</td>
<td class="nump">$ 0.001<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesAuthorized', window );">Common stock, shares authorized</a></td>
<td class="nump">30,000,000<span></span>
</td>
<td class="nump">30,000,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Common stock, shares outstanding</a></td>
<td class="nump">13,222,552<span></span>
</td>
<td class="nump">12,161,539<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesOutstanding', window );">Common stock, shares outstanding</a></td>
<td class="nump">13,214,910<span></span>
</td>
<td class="nump">12,153,897<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TreasuryStockShares', window );">Treasury stock, shares</a></td>
<td class="nump">7,642<span></span>
</td>
<td class="nump">7,642<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of allowance for credit loss on accounts receivable, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123577603&amp;loc=d3e5074-111524<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 326<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=124255206&amp;loc=SL82895884-210446<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockParOrStatedValuePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face amount or stated value per share of common stock.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockParOrStatedValuePerShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesAuthorized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The maximum number of common shares permitted to be issued by an entity's charter and bylaws.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesAuthorized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesIssued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesIssued</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=d3e21463-112644<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockParOrStatedValuePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=SL123496158-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockParOrStatedValuePerShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockSharesAuthorized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockSharesAuthorized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockSharesIssued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=SL123496158-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockSharesIssued</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementOfFinancialPositionAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementOfFinancialPositionAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TreasuryStockShares">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.29,30)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6405813&amp;loc=d3e23239-112655<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TreasuryStockShares</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374706487144">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Consolidated Statements of Operations - USD ($)<br></strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th" colspan="2"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementAbstract', window );"><strong>Income Statement [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="nump">$ 72,191,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 105,426,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostOfGoodsAndServicesSold', window );">Cost of goods sold</a></td>
<td class="nump">65,367,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">89,533,000<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GrossProfit', window );">Gross profit</a></td>
<td class="nump">6,824,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">15,893,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SellingGeneralAndAdministrativeExpense', window );">Selling, general and administrative expenses</a></td>
<td class="nump">12,845,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">11,774,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ResearchAndDevelopmentExpense', window );">Research and development</a></td>
<td class="nump">746,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">762,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainLossOnDispositionOfAssets1', window );">Loss on disposal of property and equipment</a></td>
<td class="nump">2,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">29,000<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingIncomeLoss', window );">(Loss) income from operations</a></td>
<td class="num">(6,769,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">3,328,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NonoperatingIncomeExpenseAbstract', window );"><strong>Other income (expense):</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestIncomeOther', window );">Interest income</a></td>
<td class="nump">26,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">140,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="num">(247,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(398,000)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinancingInterestExpense', window );">Interest expense-financing fees</a></td>
<td class="num">(41,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(294,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherNonoperatingIncomeExpense', window );">Other</a></td>
<td class="num">(86,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">211,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainsLossesOnExtinguishmentOfDebt', window );">Gain (loss) on extinguishment of debt (Note 10)</a></td>
<td class="nump">5,381,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(27,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeconsolidationGainOrLossAmount', window );">Loss on deconsolidation of subsidiary (Note 14)</a></td>
<td class="num">(1,062,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">(Loss) income from continuing operations before taxes</a></td>
<td class="num">(2,798,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">2,960,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income tax benefit</a></td>
<td class="num">(3,890,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="num">(189,000)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest', window );">Income from continuing operations, net of taxes</a></td>
<td class="nump">1,092,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">3,149,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity', window );">Loss from discontinued operations (Note 9)</a></td>
<td class="num">(421,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(412,000)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income</a></td>
<td class="nump">671,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">2,737,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest', window );">Net loss attributable to non-controlling interest</a></td>
<td class="num">(164,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(123,000)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income attributable to Perma-Fix Environmental Services, Inc. common stockholders</a></td>
<td class="nump">$ 835,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 2,860,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareBasicAbstract', window );"><strong>Net income (loss) per common share attributable to Perma-Fix Environmental Services, Inc. stockholders - basic:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare', window );">Continuing operations</a></td>
<td class="nump">$ 0.10<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 0.27<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare', window );">Discontinued operations</a></td>
<td class="num">(0.03)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(0.03)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareBasic', window );">Net income per common share</a></td>
<td class="nump">0.07<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0.24<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareDilutedAbstract', window );"><strong>Net income (loss) per common share attributable to Perma-Fix Environmental Services, Inc. stockholders - diluted:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare', window );">Continuing operations</a></td>
<td class="nump">0.10<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0.26<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare', window );">Discontinued operations</a></td>
<td class="num">(0.03)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(0.03)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareDiluted', window );">Net income per common share</a></td>
<td class="nump">$ 0.07<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 0.23<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract', window );"><strong>Number of common shares used in computing net income (loss) per share:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic', window );">Basic</a></td>
<td class="nump">12,433<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">12,139<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding', window );">Diluted</a></td>
<td class="nump">12,673<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">12,347<span></span>
</td>
</tr>
<tr><td colspan="4"></td></tr>
<tr><td colspan="4"><table class="outerFootnotes" width="100%"><tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Includes
                                            tax benefit recorded in amount of approximately $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_pid_c20210701__20210930_zPuvB5nPxMnc" title="Income tax benefit valuation allowance">2,351,000</span> resulting from release of valuation
                                            allowance on the Company&#8217;s deferred tax assets (see &#8220;Note 13 Income Taxes&#8221;
                                            for a discussion of this tax benefit).</td>
</tr></table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CostOfGoodsAndServicesSold">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 924<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 11.L)<br> -URI http://asc.fasb.org/extlink&amp;oid=6472922&amp;loc=d3e499488-122856<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.2(a),(d))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CostOfGoodsAndServicesSold</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeconsolidationGainOrLossAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of gain (loss) from deconsolidation of subsidiary and derecognition of group of assets constituting transfer of business or nonprofit activity, excluding conveyance of oil and gas mineral rights and transfer of good or service in contract with customer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109239629&amp;loc=SL4582445-111684<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeconsolidationGainOrLossAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 40<br> -Section 65<br> -Paragraph 1<br> -Subparagraph (e)(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=123482062&amp;loc=SL123482106-238011<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22583-107794<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22694-107794<br><br>Reference 4: 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-Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1337-109256<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 40<br> -Section 65<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123482062&amp;loc=SL123482106-238011<br><br>Reference 9: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 55<br> -Paragraph 52<br> -URI http://asc.fasb.org/extlink&amp;oid=125512782&amp;loc=d3e4984-109258<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 55<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=125512782&amp;loc=d3e3842-109258<br><br>Reference 12: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 7<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22644-107794<br><br>Reference 13: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br><br>Reference 14: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(25))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 15: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1252-109256<br><br>Reference 16: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 60B<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=SL5780133-109256<br><br>Reference 17: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(27))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareBasicAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareBasicAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareDiluted">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 55<br> -Paragraph 52<br> -URI http://asc.fasb.org/extlink&amp;oid=125512782&amp;loc=d3e4984-109258<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 7<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22644-107794<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 55<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=125512782&amp;loc=d3e3842-109258<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1252-109256<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22694-107794<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22595-107794<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22583-107794<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 60B<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=SL5780133-109256<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 40<br> -Section 65<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123482062&amp;loc=SL123482106-238011<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(27))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br><br>Reference 12: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 13: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22694-107794<br><br>Reference 14: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1337-109256<br><br>Reference 15: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 40<br> -Section 65<br> -Paragraph 1<br> -Subparagraph (e)(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=123482062&amp;loc=SL123482106-238011<br><br>Reference 16: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(25))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareDiluted</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareDilutedAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareDilutedAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinancingInterestExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>This element represents interest incurred for borrowed money which was used to produce goods or render services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.2)<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinancingInterestExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GainLossOnDispositionOfAssets1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GainLossOnDispositionOfAssets1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GainsLossesOnExtinguishmentOfDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 50<br> -Section 40<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123467658&amp;loc=d3e12355-112629<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 50<br> -Section 40<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467658&amp;loc=d3e12317-112629<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GainsLossesOnExtinguishmentOfDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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</tr>
<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GrossProfit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GrossProfit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8906-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 940<br> -SubTopic 20<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=123384075&amp;loc=d3e41242-110953<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(10))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 235<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-05(b)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399901&amp;loc=d3e537907-122884<br><br>Reference 9: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 31<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8924-108599<br><br>Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(15))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest.</p></div>
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30<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8906-108599<br><br>Reference 20: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22499-107794<br><br>Reference 21: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123596393&amp;loc=d3e14064-108612<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsPerBasicShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=109222160&amp;loc=d3e957-107759<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3A<br> -URI http://asc.fasb.org/extlink&amp;oid=109222160&amp;loc=SL51721523-107759<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3B<br> -URI http://asc.fasb.org/extlink&amp;oid=109222160&amp;loc=SL51721525-107759<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109222650&amp;loc=d3e1361-107760<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5C<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=109222650&amp;loc=SL51721675-107760<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109222650&amp;loc=SL51721673-107760<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=123454820&amp;loc=SL4569616-111683<br><br>Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=109222160&amp;loc=d3e1012-107759<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1278-109256<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(25))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 60B<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=SL5780133-109256<br><br>Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(12))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1337-109256<br><br>Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(27))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br><br>Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(14))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Per diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1337-109256<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section S99<br> -Paragraph 5<br> -Subparagraph (SAB Topic 5.E)<br> -URI http://asc.fasb.org/extlink&amp;oid=120398118&amp;loc=d3e355146-122828<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 60B<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=SL5780133-109256<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1278-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeStatementAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeStatementAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32672-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22663-107794<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123586238&amp;loc=d3e38679-109324<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(9))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22658-107794<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the cost of borrowed funds accounted for as interest expense.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6450988&amp;loc=d3e26243-108391<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=124435984&amp;loc=d3e28555-108399<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (210.5-03(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestIncomeOther">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of interest income earned from interest bearing assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestIncomeOther</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
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</tr>
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</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of Net Income (Loss) attributable to noncontrolling interest.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLossAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The net result for the period of deducting operating expenses from operating revenues.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingIncomeLoss</td>
</tr>
<tr>
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<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherNonoperatingIncomeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (expense) related to nonoperating activities, classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherNonoperatingIncomeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
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<tr>
<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProfitLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ResearchAndDevelopmentExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 912<br> -SubTopic 730<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6472174&amp;loc=d3e58812-109433<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 985<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6501960&amp;loc=d3e128462-111756<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 730<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6420194&amp;loc=d3e21568-108373<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ResearchAndDevelopmentExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8906-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 40<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9031-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 41<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9038-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130543-203045<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 42<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9054-108599<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130545-203045<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 924<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 11.L)<br> -URI http://asc.fasb.org/extlink&amp;oid=6472922&amp;loc=d3e499488-122856<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SellingGeneralAndAdministrativeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.4)<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SellingGeneralAndAdministrativeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 16<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1505-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1448-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374707160552">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Consolidated Statements of Comprehensive Income - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementAbstract', window );"><strong>Income Statement [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income</a></td>
<td class="nump">$ 671<span></span>
</td>
<td class="nump">$ 2,737<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract', window );"><strong>Other comprehensive income:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_ForeignCurrencyTranslationReclassToLossOnDeconsolidationOfSubsidiary', window );">Foreign currency translation reclass to loss on deconsolidation of subsidiary (Note 14)</a></td>
<td class="nump">148<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax', window );">Foreign currency translation adjustments</a></td>
<td class="nump">31<span></span>
</td>
<td class="nump">4<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Total other comprehensive income</a></td>
<td class="nump">179<span></span>
</td>
<td class="nump">4<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest', window );">Comprehensive income</a></td>
<td class="nump">850<span></span>
</td>
<td class="nump">2,741<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest', window );">Comprehensive loss attributable to non-controlling interest</a></td>
<td class="num">(164)<span></span>
</td>
<td class="num">(123)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ComprehensiveIncomeNetOfTax', window );">Comprehensive income attributable to Perma-Fix Environmental Services, Inc. common stockholders</a></td>
<td class="nump">$ 1,014<span></span>
</td>
<td class="nump">$ 2,864<span></span>
</td>
</tr>
</table>
<div style="display: none;">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Foreign currency translation reclass to loss on deconsolidation of subsidiary.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_ForeignCurrencyTranslationReclassToLossOnDeconsolidationOfSubsidiary</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ComprehensiveIncomeNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(24))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e557-108580<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(26))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1B<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669625-108580<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669619-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ComprehensiveIncomeNetOfTax</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1B<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669625-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(25))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4K<br> -URI http://asc.fasb.org/extlink&amp;oid=120409616&amp;loc=SL4591552-111686<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669619-108580<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 21<br> -URI http://asc.fasb.org/extlink&amp;oid=123454820&amp;loc=SL4613674-111683<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=123454820&amp;loc=SL4569643-111683<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4K<br> -URI http://asc.fasb.org/extlink&amp;oid=120409616&amp;loc=SL4591552-111686<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669619-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(20))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=123454820&amp;loc=SL4569616-111683<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1B<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669625-108580<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(24))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeStatementAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeStatementAbstract</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669646-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax and reclassification adjustments of other comprehensive income (loss).</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossNetOfTax</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProfitLoss</td>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374705805352">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Consolidated Statement of Stockholders' Equity - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Common Stock [Member]</div></th>
<th class="th"><div>Additional Paid-in Capital [Member]</div></th>
<th class="th"><div>Common Stock Held In Treasury [Member]</div></th>
<th class="th"><div>AOCI Attributable to Parent [Member]</div></th>
<th class="th"><div>Noncontrolling Interest In Subsidiary [Member]</div></th>
<th class="th"><div>Retained Earnings [Member]</div></th>
<th class="th"><div>Total</div></th>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Beginning balance, value at Dec. 31, 2019</a></td>
<td class="nump">$ 12<span></span>
</td>
<td class="nump">$ 108,457<span></span>
</td>
<td class="num">$ (88)<span></span>
</td>
<td class="num">$ (211)<span></span>
</td>
<td class="num">$ (1,619)<span></span>
</td>
<td class="num">$ (77,315)<span></span>
</td>
<td class="nump">$ 29,236<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharesIssued', window );">Beginning balance, shares at Dec. 31, 2019</a></td>
<td class="nump">12,123,520<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net (loss) income</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="num">(123)<span></span>
</td>
<td class="nump">2,860<span></span>
</td>
<td class="nump">2,737<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax', window );">Foreign currency translation</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">4<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">4<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueIssuedForServices', window );">Issuance of Common Stock for services</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">232<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">232<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesIssuedForServices', window );">Issuance of Common Stock for services, shares</a></td>
<td class="nump">34,135<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue', window );">Stock-Based Compensation</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">236<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">236<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised', window );">Issuance of Common Stock upon exercise of options</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">6<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">6<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised', window );">Issuance of Common Stock upon exercise of options, shares</a></td>
<td class="nump">3,884<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Ending balance, value at Dec. 31, 2020</a></td>
<td class="nump">$ 12<span></span>
</td>
<td class="nump">108,931<span></span>
</td>
<td class="num">(88)<span></span>
</td>
<td class="num">(207)<span></span>
</td>
<td class="num">(1,742)<span></span>
</td>
<td class="num">(74,455)<span></span>
</td>
<td class="nump">32,451<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharesIssued', window );">Ending balance, shares at Dec. 31, 2020</a></td>
<td class="nump">12,161,539<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net (loss) income</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="num">(164)<span></span>
</td>
<td class="nump">835<span></span>
</td>
<td class="nump">671<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax', window );">Foreign currency translation</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">31<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">31<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation', window );">Deconsolidation of subsidiary (Note 14)</a></td>
<td class="text"> <span></span>
</td>
<td class="num">(1,004)<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">148<span></span>
</td>
<td class="nump">1,906<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">1,050<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueIssuedForServices', window );">Issuance of Common Stock for services</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">427<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">427<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesIssuedForServices', window );">Issuance of Common Stock for services, shares</a></td>
<td class="nump">60,723<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue', window );">Stock-Based Compensation</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">250<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">250<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised', window );">Issuance of Common Stock upon exercise of options</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised', window );">Issuance of Common Stock upon exercise of options, shares</a></td>
<td class="nump">290<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueNewIssues', window );">Sale of Common Stock, net of offering costs (Note 7)</a></td>
<td class="nump">$ 1<span></span>
</td>
<td class="nump">5,703<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">5,704<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues', window );">Sale of Common Stock, net of offering costs, shares</a></td>
<td class="nump">1,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Ending balance, value at Dec. 31, 2021</a></td>
<td class="nump">$ 13<span></span>
</td>
<td class="nump">$ 114,307<span></span>
</td>
<td class="num">$ (88)<span></span>
</td>
<td class="num">$ (28)<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="num">$ (73,620)<span></span>
</td>
<td class="nump">$ 40,584<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharesIssued', window );">Ending balance, shares at Dec. 31, 2021</a></td>
<td class="nump">13,222,552<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 20<br> -Section 55<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=122142933&amp;loc=d3e11149-113907<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5047-113901<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 20<br> -Section 55<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=122142933&amp;loc=d3e11178-113907<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 35<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123468992&amp;loc=d3e4534-113899<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of the reduction or elimination during the period of a noncontrolling interest resulting from the parent's loss of control and deconsolidation of the entity in which one or more outside parties had a noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (c)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=109239629&amp;loc=SL4573702-111684<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
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</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669646-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProfitLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669619-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (a)(1)<br> -URI 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FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22658-107794<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProfitLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharesIssued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=d3e21463-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharesIssued</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodSharesIssuedForServices">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodSharesIssuedForServices</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of new stock issued during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=d3e21463-112644<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodSharesNewIssues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of share options (or share units) exercised during the current period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iv)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=d3e21463-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodValueIssuedForServices">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodValueIssuedForServices</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodValueNewIssues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=d3e21463-112644<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodValueNewIssues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Value of stock issued as a result of the exercise of stock options.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=d3e21463-112644<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.29-31)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374703656872">
<tr>
<th class="tl" colspan="2" rowspan="2"><div style="width: 200px;"><strong>Consolidated Statements of Cash Flows - USD ($)<br></strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract', window );"><strong>Cash flows from operating activities:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 671,000<span></span>
</td>
<td class="nump">$ 2,737,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity', window );">Less: loss on discontinued operations (Note 9)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(421,000)<span></span>
</td>
<td class="num">(412,000)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest', window );">Income from continuing operations, net of taxes</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">1,092,000<span></span>
</td>
<td class="nump">3,149,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract', window );"><strong>Adjustments to reconcile net income from continuing operations to cash (used in) provided by operating activities:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationDepletionAndAmortization', window );">Depreciation and amortization</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">1,687,000<span></span>
</td>
<td class="nump">1,596,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_InterestOnFinanceLeaseWithPurchaseOption', window );">Interest on finance lease with purchase option</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">7,000<span></span>
</td>
<td class="nump">9,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeconsolidationGainOrLossAmount', window );">Loss on deconsolidation of subsidiary (Note 14)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">1,062,000<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainsLossesOnExtinguishmentOfDebt', window );">(Gain) loss on extinguishment of debt (Note 10)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(5,381,000)<span></span>
</td>
<td class="nump">27,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AmortizationOfFinancingCostsAndDiscounts', window );">Amortization of debt issuance/debt discount costs</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">40,000<span></span>
</td>
<td class="nump">294,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxExpenseBenefit', window );">Deferred tax benefit</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(3,860,000)<span></span>
</td>
<td class="num">(119,000)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_ProvisionForRecoveryOfBadDebtReserves', window );">Provision for (recovery of) bad debt reserves</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">26,000<span></span>
</td>
<td class="num">(101,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainLossOnDispositionOfAssets', window );">Loss on disposal of property and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">2,000<span></span>
</td>
<td class="nump">29,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims', window );">Issuance of common stock for services</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">427,000<span></span>
</td>
<td class="nump">232,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensation', window );">Stock-based compensation</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">250,000<span></span>
</td>
<td class="nump">236,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract', window );"><strong>Changes in operating assets and liabilities of continuing operations:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInAccountsReceivable', window );">Accounts receivable</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(1,739,000)<span></span>
</td>
<td class="nump">3,620,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_IncreaseDecreaseInUnbilledReceivable', window );">Unbilled receivables</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">5,458,000<span></span>
</td>
<td class="num">(6,469,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets', window );">Prepaid expenses, inventories and other assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">1,165,000<span></span>
</td>
<td class="nump">1,147,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_IncreaseDecreaseInAccountsPayableAccruedExpensesAndUnearnedRevenue', window );">Accounts payable, accrued expenses and unearned revenue</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(6,552,000)<span></span>
</td>
<td class="nump">4,217,000<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations', window );">Cash (used in) provided by continuing operations</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(6,316,000)<span></span>
</td>
<td class="nump">7,867,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations', window );">Cash used in discontinued operations</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(521,000)<span></span>
</td>
<td class="num">(499,000)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInOperatingActivities', window );">Cash (used in) provided by operating activities</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(6,837,000)<span></span>
</td>
<td class="nump">7,368,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract', window );"><strong>Cash flows from investing activities:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment', window );">Purchases of property and equipment (net)</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="num">(1,577,000)<span></span>
</td>
<td class="num">(1,715,000)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment', window );">Proceeds from sale of property and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">17,000<span></span>
</td>
<td class="nump">4,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashDivestedFromDeconsolidation', window );">Deconsolidation of subsidiary - cash</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(4,000)<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations', window );">Cash used in investing activities of continuing operations</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(1,564,000)<span></span>
</td>
<td class="num">(1,711,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations', window );">Cash provided by investing activities of discontinued operations</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text"> <span></span>
</td>
<td class="nump">118,000<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInInvestingActivities', window );">Cash used in investing activities</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(1,564,000)<span></span>
</td>
<td class="num">(1,593,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract', window );"><strong>Cash flows from financing activities:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromLinesOfCredit', window );">Borrowing on revolving credit</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">74,987,000<span></span>
</td>
<td class="nump">102,788,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RepaymentsOfLinesOfCredit', window );">Repayments of revolving credit borrowings</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(74,987,000)<span></span>
</td>
<td class="num">(103,109,000)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfLongTermDebt', window );">Proceeds from issuance of long-term debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text"> <span></span>
</td>
<td class="nump">5,666,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeasePrincipalPayments', window );">Principal repayment of finance lease liabilities</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(334,000)<span></span>
</td>
<td class="num">(615,000)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RepaymentsOfLongTermDebt', window );">Principal repayments of long term debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(440,000)<span></span>
</td>
<td class="num">(2,759,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsOfDebtIssuanceCosts', window );">Payment of debt issuance costs</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(48,000)<span></span>
</td>
<td class="num">(85,000)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfCommonStock', window );">Proceeds from sale of Common Stock, net of offering costs paid (Note 7)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">5,765,000<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromStockOptionsExercised', window );">Proceeds from issuance of Common Stock upon exercise of options</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text"> <span></span>
</td>
<td class="nump">6,000<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInFinancingActivities', window );">Cash provided by financing activities of continuing operations</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">4,943,000<span></span>
</td>
<td class="nump">1,892,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations', window );">Effect of exchange rate changes on cash</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(1,000)<span></span>
</td>
<td class="nump">6,000<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect', window );">(Decrease) increase in cash and finite risk sinking fund (restricted cash) (Note 2)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(3,459,000)<span></span>
</td>
<td class="nump">7,673,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations', window );">Cash and finite risk sinking fund (restricted cash) at beginning of period (Note 2)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">19,370,000<span></span>
</td>
<td class="nump">11,697,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations', window );">Cash and finite risk sinking fund (restricted cash) at end of period (Note 2)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">15,911,000<span></span>
</td>
<td class="nump">19,370,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SupplementalCashFlowInformationAbstract', window );"><strong>Supplemental disclosure:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestPaidNet', window );">Interest paid</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">230,000<span></span>
</td>
<td class="nump">366,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxesPaid', window );">Income taxes paid</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">47,000<span></span>
</td>
<td class="nump">70,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NoncashInvestingAndFinancingItemsAbstract', window );"><strong>Non-cash investing and financing activities:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_EquipmentPurchaseSubjectToFinanceLease', window );">Equipment purchase subject to finance lease</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">556,000<span></span>
</td>
<td class="nump">856,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_EquipmentPurchaseSubjectToFinancing', window );">Equipment purchase subject to financing</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 29,000<span></span>
</td>
<td class="nump">$ 27,000<span></span>
</td>
</tr>
<tr><td colspan="3"></td></tr>
<tr><td colspan="3"><table class="outerFootnotes" width="100%"><tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Net
                                            of financed amount of $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20210101__20211231_z27nqqcMuVg1" title="Financed portion amount in the purchase of capital expenditure">585,000</span> and $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90C_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20200101__20201231_zeM5sHuj1x03" title="Financed portion amount in the purchase of capital expenditure">883,000</span> for the year ended December 31, 2021 and 2020,
                                            respectively.</td>
</tr></table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_EquipmentPurchaseSubjectToFinanceLease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Equipment purchase subject to finance lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_EquipmentPurchaseSubjectToFinanceLease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_EquipmentPurchaseSubjectToFinancing">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Equipment purchase subject to financing.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_EquipmentPurchaseSubjectToFinancing</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_IncreaseDecreaseInAccountsPayableAccruedExpensesAndUnearnedRevenue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Increase decrease in accounts payable accrued expenses and unearned revenue.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_IncreaseDecreaseInAccountsPayableAccruedExpensesAndUnearnedRevenue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_IncreaseDecreaseInUnbilledReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Increase decrease in unbilled receivable.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_IncreaseDecreaseInUnbilledReceivable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_InterestOnFinanceLeaseWithPurchaseOption">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Interest on finance lease with purchase option.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_InterestOnFinanceLeaseWithPurchaseOption</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_ProvisionForRecoveryOfBadDebtReserves">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Provision for recovery of bad debt reserves.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_ProvisionForRecoveryOfBadDebtReserves</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AmortizationOfFinancingCostsAndDiscounts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 55<br> -Paragraph 69E<br> -URI http://asc.fasb.org/extlink&amp;oid=123466577&amp;loc=SL123495743-112612<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=124435984&amp;loc=d3e28555-108399<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1F<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495355-112611<br><br>Reference 5: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 55<br> -Paragraph 69F<br> -URI http://asc.fasb.org/extlink&amp;oid=123466577&amp;loc=SL123495745-112612<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AmortizationOfFinancingCostsAndDiscounts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including, but not limited to, disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=SL98516268-108586<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3521-108585<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3044-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 230<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=123444420&amp;loc=d3e33268-110906<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3521-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashDivestedFromDeconsolidation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Reduction in cash due to no longer including the former subsidiary's cash in the consolidated entity's cash.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3213-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashDivestedFromDeconsolidation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) of investing activities of discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3521-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (c)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=109222650&amp;loc=SL51721673-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) of operating activities of discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3521-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (c)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=109222650&amp;loc=SL51721673-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeconsolidationGainOrLossAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of gain (loss) from deconsolidation of subsidiary and derecognition of group of assets constituting transfer of business or nonprofit activity, excluding conveyance of oil and gas mineral rights and transfer of good or service in contract with customer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109239629&amp;loc=SL4582445-111684<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeconsolidationGainOrLossAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredIncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.Fact.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h)(1)(Note 1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.Fact.2)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32639-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DepreciationDepletionAndAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DepreciationDepletionAndAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) from effect of exchange rate changes on cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; held in foreign currencies; including, but not limited to, disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 230<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=123444420&amp;loc=d3e33268-110906<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeasePrincipalPayments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow for principal payment on finance lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 5<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123391704&amp;loc=SL77918643-209977<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (g)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918686-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeasePrincipalPayments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Data Type:</strong></td>
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</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GainLossOnDispositionOfAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=123351718&amp;loc=d3e2443-110228<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=109226691&amp;loc=d3e2941-110230<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GainLossOnDispositionOfAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GainsLossesOnExtinguishmentOfDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 50<br> -Section 40<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123467658&amp;loc=d3e12355-112629<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 50<br> -Section 40<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467658&amp;loc=d3e12317-112629<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GainsLossesOnExtinguishmentOfDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
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</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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</tr>
<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=109222160&amp;loc=d3e957-107759<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3A<br> -URI http://asc.fasb.org/extlink&amp;oid=109222160&amp;loc=SL51721523-107759<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3B<br> -URI http://asc.fasb.org/extlink&amp;oid=109222160&amp;loc=SL51721525-107759<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109222650&amp;loc=d3e1361-107760<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5C<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=109222650&amp;loc=SL51721675-107760<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109222650&amp;loc=SL51721673-107760<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=123454820&amp;loc=SL4569616-111683<br><br>Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=109222160&amp;loc=d3e1012-107759<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxesPaid">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=d3e4297-108586<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3536-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxesPaid</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInAccountsReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInAccountsReceivable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInOperatingCapitalAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in prepaid expenses, and assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestPaidNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=d3e4297-108586<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 17<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3367-108585<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3536-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestPaidNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value of share-based compensation granted to nonemployees as payment for services rendered or acknowledged claims.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInFinancingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3521-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInFinancingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInInvestingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3521-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInInvestingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3521-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInOperatingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3536-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3521-108585<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInOperatingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3521-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3536-108585<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NoncashInvestingAndFinancingItemsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NoncashInvestingAndFinancingItemsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsOfDebtIssuanceCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsOfDebtIssuanceCosts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 13<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3213-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsToAcquirePropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromIssuanceOfCommonStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from the additional capital contribution to the entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromIssuanceOfCommonStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromIssuanceOfLongTermDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromIssuanceOfLongTermDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromLinesOfCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3255-108585<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(f))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromLinesOfCredit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 12<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3179-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromStockOptionsExercised">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow from exercise of option under share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=SL79508275-113901<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromStockOptionsExercised</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProfitLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669619-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (a)(1)<br> -URI 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProfitLoss</td>
</tr>
<tr>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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</div></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3291-108585<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(f))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RepaymentsOfLinesOfCredit</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of noncash expense for share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Balance Type:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374709031688">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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1</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_825_zbhraiPNRFa5">DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 15pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Perma-Fix
Environmental Services, Inc. (the Company, which may be referred to as we, us, or our), an environmental and technology know-how company,
is a Delaware corporation, engaged through its subsidiaries, in three reportable segments:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">TREATMENT
SEGMENT, which includes:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

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    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify">&#160;</td>
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    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify">&#160;</td>
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
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    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify">&#160;</td>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">MEDICAL
SEGMENT, which included: R&amp;D of the Company&#8217;s medical isotope production technology by the Company&#8217;s majority-owned (approximately
<span id="xdx_905_eus-gaap--EquityMethodInvestmentOwnershipPercentage_iI_pid_dp_c20211231__us-gaap--TypeOfArrangementAxis__custom--SalesAgreementMember_zk4NrQyXcNQd">60.54</span>%) Polish subsidiary, Perma-Fix Medical S.A (&#8220;PFM Poland&#8221;), and PFM Poland&#8217;s wholly-owned subsidiary, Perma-Fix
Medical Corporation (&#8220;PFMC&#8221;). The Company&#8217;s Medical Segment (or &#8220;PF Medical&#8221;) had not generated any revenue.
During December 2021, the Company made the strategic decision to cease all R&amp;D activities under the Medical Segment which resulted
in the sale of <span id="xdx_905_ecustom--SalesOfInterestPercentage_pid_dp_c20210101__20211231__srt--ConsolidatedEntitiesAxis__custom--PFMPolandMember_z4U6tuXcyzQ" title="Sale of interest in subsidiaries">100</span>% of PFM Poland (See &#8220;Note 14 &#8211; PF Medical&#8221; for a discussion of this sale).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s continuing operations consist of the operations of our subsidiaries/facilities as follow: Diversified Scientific Services,
Inc. (&#8220;DSSI&#8221;), Perma-Fix of Florida, Inc. (&#8220;PFF&#8221;), Perma-Fix of Northwest Richland, Inc. (&#8220;PFNWR&#8221;),
Safety &amp; Ecology Corporation (&#8220;SEC&#8221;), Perma-Fix Environmental Services UK Limited (&#8220;PF UK Limited&#8221;), Perma-Fix
of Canada, Inc. (&#8220;PF Canada&#8221;), PF Medical, East Tennessee Materials &amp; Energy Corporation (&#8220;M&amp;EC&#8221;) (facility
closure completed in 2019), Oak Ridge Environmental Waste Operations Center (&#8220;EWOC&#8221;) and Perma-Fix ERRG, a variable interest
entity (&#8220;VIE&#8221;) for which we are the primary beneficiary (See &#8220;Note 20 - Variable Interest Entities (&#8220;VIE&#8221;)&#8221;
for a discussion of this VIE).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s discontinued operations (see Note 9) consist of operations of all our subsidiaries included in our Industrial Segment
which encompasses subsidiaries divested in 2011 and prior and three previously closed locations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Financial
Positions and Liquidity</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s 2021 financial results continued to be impacted by COVID-19 where we experienced continued waste shipment delays from
certain customers within our Treatment Segment. However, the Company expects to see a gradual return in waste receipts from these customers
starting in the second quarter of 2022 as the Company expects these customers to start easing up on COVID-19 restrictions, including
reinstating return-to-work schedule in the upcoming months. Additionally, as a result of the constraint in supply chain, our Treatment
Segment experienced a delay in the delivery of a new technology waste processing unit from our supplier which negatively impacted our
revenue as the associated revenue was not able to be generated. Delivery of this unit had been expected during the third quarter of 2021
but did not occur until the first quarter of 2022. The Company&#8217;s Services Segment experienced delays in procurement actions and
contract awards resulting primarily from the impact of COVID-19 in the first half of 2021. Since the end of the second quarter of 2021,
the Services Segment was awarded a number of new contracts but due to customer administrative delay and/or continued COVID-19 impact
experienced by certain customers, work under certain of these new awards was temporarily curtailed/delayed which negatively impacted
our revenue. We expect to see a ramp-up in activities from certain of these new projects starting in the second quarter
of 2022.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s cash flow requirements during the twelve months ended December 31, 2021 were primarily financed by our operations, our
credit facility availability and an equity raise that the Company consummated at the end of the third quarter of 2021. The Company received
approximately $<span id="xdx_90F_eus-gaap--ProceedsFromIssuanceOfCommonStock_pp0p0_c20210101__20211231__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember_zfgabJ6CdP3g" title="Proceeds from issuance of common stock">6,200,000</span> in gross proceeds from this equity raise for the sale and issuance of <span id="xdx_904_eus-gaap--StockIssuedDuringPeriodSharesNewIssues_pid_c20210101__20211231__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember_z5cjl4nqZ9ab" title="Shares issued during period, new issue">1,000,000</span> shares of the Company&#8217;s
Common Stock (see &#8220;Note 7 &#8211; Common Stock Subscription Agreement&#8221; for a discussing of this equity raise). At December
31, 2021, the Company had borrowing availability under its revolving credit facility of approximately $<span id="xdx_904_eus-gaap--LineOfCreditFacilityCurrentBorrowingCapacity_iI_pp0p0_c20211231__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zPunkl59IJyf" title="Line of credit, borrowing capacity">8,692,000</span> which was based on a
percentage of eligible receivables and subject to certain reserves and included its cash on hand of approximately $<span id="xdx_90A_eus-gaap--Cash_iI_pp0p0_c20211231__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zwGadfhyRmej" title="Cash on hand">4,440,000</span>. The Company
has ceased all R&amp;D activities under its Medical Segment and sold its majority-owned subsidiary, PFM Poland (see &#8220;Note 14 &#8211;
PF Medical&#8221; for a discussion of the sale of PFM Poland). The Company&#8217;s cash flow requirements for the next twelve months
will consist primarily of general working capital needs, scheduled principal payments on our debt obligations, remediation projects,
and planned capital expenditures. We plan to fund these requirements from our operations, credit facility availability, our capital expenditure
line, and cash on hand. We are continually reviewing operating costs and reviewing the possibility of further reducing operating costs
and non-essential expenditures to bring them in line with revenue levels, when necessary. At this time, we believe that our cash flows
from operations, our available liquidity from our credit facility, our capital expenditure line and our cash on hand should be sufficient
to fund our operations for the next twelve months.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
the situations surrounding COVID-19 continues to remain fluid, the full impact and extent of the pandemic on our financial results and
liquidity cannot be estimated with any degree of certainty. We continue to closely monitor the impact of the COVID-19 pandemic on all
aspects of our business.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<span></span>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374709014648">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SignificantAccountingPoliciesTextBlock', window );">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</a></td>
<td class="text"><p id="xdx_805_eus-gaap--SignificantAccountingPoliciesTextBlock_zv9bMTKY4M6e" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
2</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_823_znauXrlqTCnd">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p id="xdx_842_eus-gaap--ConsolidationPolicyTextBlock_zGFRvVTICWz3" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86A_z3HznYA4tfae">Principles
of Consolidation</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s consolidated financial statements include our accounts, those of our wholly-owned subsidiaries, our majority-owned Polish
subsidiary (see &#8220;Note 15 &#8211; PF Medical&#8221; for a discussion on the sale of PFM Poland in December 2021), and Perma-Fix
ERRG, a VIE for which we are the primary beneficiary as discussed above, after elimination of all significant intercompany accounts and
transactions.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p id="xdx_84C_eus-gaap--UseOfEstimates_zU7Dg9Gv3D3c" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86B_zjrOzG4O05Zf">Use
of Estimates</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company prepares financial statements in conformity with accounting standards generally accepted in the United States (&#8220;U.S.
GAAP&#8221;), which may require estimates of future cash flows and assumptions that affect the reported amounts of assets and liabilities
and disclosures of contingent assets and liabilities at the date of the financial statements, as well as, the reported amounts of revenues
and expenses during the reporting period. Due to the inherent uncertainty involved in making estimates, actual results could differ from
those estimates.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_843_eus-gaap--CashAndCashEquivalentsPolicyTextBlock_zgy44TNKXiMk" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86D_zH6r9bToncM7">Cash
and Finite Risk Sinking Fund (Restricted Cash)</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">At
December 31, 2021, the Company had cash on hand of approximately $<span id="xdx_902_eus-gaap--Cash_iI_pp0d_c20211231_zUp4JFrCEtNf" title="Cash on hand">4,444,000</span>, which included account balances of our foreign subsidiaries
totaling approximately $<span id="xdx_909_eus-gaap--Cash_iI_pp0d_c20211231__srt--ConsolidatedEntitiesAxis__custom--ForeignSubsidiariesMember_zwGsrQDOJQ12" title="Cash on hand">26,000</span>. At December 31, 2020, the Company had cash on hand of approximately $<span><span id="xdx_90D_eus-gaap--Cash_iI_pp0p0_c20201231_zg5J8pg9uSx7" title="Cash on hand">7,924,000</span></span>, which included account
balances of our foreign subsidiaries totaling approximately $<span id="xdx_905_eus-gaap--Cash_iI_pp0p0_c20201231__srt--ConsolidatedEntitiesAxis__custom--ForeignSubsidiariesMember_z5rzkn2Kr7Pg" title="Cash on hand">377,000</span>. At December 31, 2021 and 2020, the Company had finite risk sinking
funds of approximately $<span id="xdx_906_eus-gaap--RestrictedCashNoncurrent_iI_c20211231_zKmvDKKBmHU6" title="Finite risk sinking fund">11,471,000</span> and $<span id="xdx_90D_eus-gaap--RestrictedCashNoncurrent_iI_pp0p0_c20201231_zhDJiSHwusab" title="Finite risk sinking fund">11,446,000</span>, respectively, which represented cash held as collateral under the Company&#8217;s
financial assurance policy (see &#8220;Note 15 &#8211; Commitment and Contingencies &#8211; Insurance&#8221; for a discussion of this
fund).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_841_eus-gaap--TradeAndOtherAccountsReceivablePolicy_zdyToPK9JXI6" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_867_zXRqhrFr8bpj">Accounts
Receivable</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accounts
receivable are customer obligations due under normal trade terms requiring payment within 30 or 60 days from the invoice date based on
the customer type (government, broker, or commercial). The carrying amount of accounts receivable is reduced by an allowance for doubtful
accounts, which is a valuation allowance that reflects management&#8217;s best estimate of the amounts that will not be collected. The
Company regularly reviews all accounts receivable balances that exceed 60 days from the invoice date and based on an assessment of current
credit worthiness, estimates the portion, if any, of the balance that will not be collected. This analysis excludes government related
receivables due to our past successful experience in their collectability. Specific accounts that are deemed to be uncollectible are
reserved at 100% of their outstanding balance. The remaining balances aged over 60 days have a percentage applied by aging category,
based on historical experience that allows us to calculate the total allowance required. Once the Company has exhausted all options in
the collection of a delinquent accounts receivable balance, which includes collection letters, demands for payment, collection agencies
and attorneys, the account is deemed uncollectible and subsequently written off. The write off process involves approvals from senior
management based on required approval thresholds.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_89F_eus-gaap--ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock_z4sw87g0uqFi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table sets forth the activity in the allowance for doubtful accounts for the years ended December 31, 2021 and 2020 (in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B1_zdmDforkxnn" style="display: none">SCHEDULE OF CREDIT LOSSES FOR FINANCING RECEIVABLES, CURRENT</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 80%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Year
    Ended December 31,</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Allowance for doubtful accounts
    - beginning of year</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iS_pn3n3_c20210101__20211231_z2thEoh3Mzp9" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Allowance for doubtful accounts - beginning of year"><span style="font-family: Times New Roman, Times, Serif">404</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iS_pn3n3_c20200101__20201231_zRPwk5XbXdU" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Allowance for doubtful accounts - beginning of year"><span style="font-family: Times New Roman, Times, Serif">487</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Provision for (recovery of) bad debt reserve</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesProvision_pn3n3_c20210101__20211231_zJyNnKlPRBE4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Provision for (recovery of) bad debt reserve"><span style="font-family: Times New Roman, Times, Serif">41</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesProvision_pn3n3_c20200101__20201231_ztv2F2jlaDt3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Provision for (recovery of) bad debt reserve"><span style="font-family: Times New Roman, Times, Serif">(101</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">(Write-off) recovery of
    write-off</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_986_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff_pn3n3_c20210101__20211231_zuMyec4YCrvf" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="(Write-off) recovery of write-off"><span style="font-family: Times New Roman, Times, Serif">(360</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98D_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff_pn3n3_c20200101__20201231_zJJk0KGtQ3tb" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="(Write-off) recovery of write-off"><span style="font-family: Times New Roman, Times, Serif">18</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Allowance for doubtful
    accounts - end of year</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iE_pn3n3_c20210101__20211231_zc0iClrFaLTa" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Allowance for doubtful accounts - end of year"><span style="font-family: Times New Roman, Times, Serif">85</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iE_pn3n3_c20200101__20201231_z4BG1uoVYgTc" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Allowance for doubtful accounts - end of year"><span style="font-family: Times New Roman, Times, Serif">404</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p id="xdx_8AF_z5HgxIomnts8" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_848_eus-gaap--TradeAndOtherAccountsReceivableUnbilledReceivablesPolicy_zaxQKDblktMb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86B_zKUTA4Hjdb3f">Unbilled
Receivables</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Unbilled
receivables are generated by differences between invoicing timing and our over time revenue recognition methodology used for revenue
recognition purposes. As major processing and contract completion phases are completed and the costs are incurred, the Company recognizes
the corresponding percentage of revenue. Within our Treatment Segment, the facilities experience delays in processing invoices due to
the complexity of the documentation that is required for invoicing, as well as the difference between completion of revenue recognition
milestones and agreed upon invoicing terms, which results in unbilled receivables. The timing differences occur for several reasons which
include: partially from delays in the final processing of all wastes associated with certain work orders and partially from delays for
analytical testing that is required after the facilities have processed waste but prior to our release of waste for disposal. The tasks
relating to these delays can take months to complete but are generally completed within twelve months.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Unbilled
receivables within our Services Segment can result from work performed under contracts but invoice milestones have not yet been met and/or
contract claims and pending change orders, including REA when work has been performed and collection of revenue is reasonably assured.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p id="xdx_848_eus-gaap--InventoryPolicyTextBlock_zWdmkqso8Mxf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_869_zyGMoeorfYJ6">Inventories</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Inventories
consist of treatment chemicals, saleable used oils, and certain supplies. Additionally, the Company has replacement parts in inventory,
which are deemed critical to the operating equipment and may also have extended lead times should the part fail and need to be replaced.
Inventories are valued at the lower of cost or net realizable value with cost determined by the first-in, first-out method.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_84D_eus-gaap--CostOfSalesPolicyTextBlock_ze7egpn2wqTg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86A_zNF4ri5sjEI8">Disposal
and Transportation Costs</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company accrues for waste disposal based upon a physical count of the waste at each facility at the end of each accounting period. Current
market prices for transportation and disposal costs are applied to the end of period waste inventories to calculate for the transportation
and disposal accruals.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_841_eus-gaap--PropertyPlantAndEquipmentPolicyTextBlock_zSCrUWPvFnz6" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_869_zf2VpvQOSPy5">Property
and Equipment</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Property
and equipment expenditures are capitalized and depreciated using the straight-line method over the estimated useful lives of the assets
for financial statement purposes, while accelerated depreciation methods are principally used for income tax purposes. Generally, asset
lives range from <span id="xdx_90C_eus-gaap--PropertyPlantAndEquipmentUsefulLife_dtYxL_c20210101__20211231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--BuildingMember__srt--RangeAxis__srt--MinimumMember_zRFVymWivwj" title="Property, plant and equipment, useful life::XDX::10"><span style="-sec-ix-hidden: xdx2ixbrl0765">ten</span></span> to <span id="xdx_904_eus-gaap--PropertyPlantAndEquipmentUsefulLife_dc_c20210101__20211231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--BuildingMember__srt--RangeAxis__srt--MaximumMember_zQCk22aJrcq4">forty years</span> for buildings (including improvements and asset retirement costs) and <span id="xdx_904_eus-gaap--PropertyPlantAndEquipmentUsefulLife_dtYxL_c20210101__20211231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--OfficeFurnitureAndEquipmentMember__srt--RangeAxis__srt--MinimumMember_zydfL9JiDPFd" title="::XDX::3"><span style="-sec-ix-hidden: xdx2ixbrl0767">three</span></span> to <span id="xdx_90A_eus-gaap--PropertyPlantAndEquipmentUsefulLife_dc_c20210101__20211231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--OfficeFurnitureAndEquipmentMember__srt--RangeAxis__srt--MaximumMember_zKPjPtNramEk">seven years</span> for office
furniture and equipment, vehicles, and decontamination and processing equipment. Leasehold improvements are capitalized and amortized
over the lesser of the term of the lease or the life of the asset. Maintenance and repairs are charged directly to expense as incurred.
The cost and accumulated depreciation of assets sold or retired are removed from the respective accounts, and any gain or loss from sale
or retirement is recognized in the accompanying Consolidated Statements of Operations. Renewals and improvements, which extend the useful
lives of the assets, are capitalized.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Certain
property and equipment expenditures are financed through leases. Amortization of financed leased assets is computed using the straight-line
method over the estimated useful lives of the assets. At December 31, 2021, assets recorded under finance leases were $<span id="xdx_90A_eus-gaap--FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_iI_pp0p0_c20211231_zGlJrZHAZ7j4" title="Finance leases assets recorded">2,409,000</span> less
accumulated depreciation of $<span id="xdx_90B_eus-gaap--FinanceLeaseRightOfUseAssetAccumulatedAmortization_iI_pp0p0_c20211231_ztcQaxiTS5pl" title="Finance leases accumulated depreciation">475,000</span>, resulting in net fixed assets under finance leases of $<span id="xdx_90C_ecustom--FixedAssetsOfFinanceLease_iI_pp0p0_c20211231_zCUDBTdQi19d" title="Finance leases net fixed asset">1,934,000</span>. At December 31, 2020, assets
recorded under finance leases were $<span id="xdx_904_eus-gaap--FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_iI_pp0p0_c20201231_zOwPpOkJAQ22" title="Finance leases assets recorded">2,285,000</span> less accumulated depreciation of $<span id="xdx_90F_eus-gaap--FinanceLeaseRightOfUseAssetAccumulatedAmortization_iI_pp0p0_c20201231_zVutUEBKPoSd" title="Finance leases accumulated depreciation">291,000</span>, resulting in net fixed assets under finance
leases of $<span id="xdx_90C_ecustom--FixedAssetsOfFinanceLease_iI_pp0p0_c20201231_zp6EbtE93qW6" title="Finance leases net fixed asset">1,994,000</span>. These assets are recorded within net property and equipment on the Consolidated Balance Sheets.</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Long-lived
assets, such as property, plant and equipment, are reviewed for impairment whenever events or changes in circumstances indicate that
the carrying amount of an asset may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the
carrying amount of an asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount
of an asset exceeds its estimated future cash flows, an impairment charge is recognized in the amount by which the carrying amount of
the asset exceeds the fair value of the asset. Assets to be disposed of are separately presented in the balance sheet and reported at
the lower of the carrying amount or fair value less costs to sell, and are no longer depreciated.</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
depreciation expense totaled approximately $<span id="xdx_905_eus-gaap--Depreciation_pp0p0_c20210101__20211231_zaqvdAjuFyv3" title="Depreciation expense">1,476,000</span> and $<span id="xdx_904_eus-gaap--Depreciation_pp0p0_c20200101__20201231_zlxjC2qzlDs1" title="Depreciation">1,357,000</span> in 2021 and 2020, respectively.</span></p>

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<p id="xdx_842_eus-gaap--LesseeLeasesPolicyTextBlock_zcdVbRJ3NTkb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86F_zlUdbXGrMvhg">Leases</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company accounts for leases in accordance with FASB&#8217;s ASU 2016-02, &#8220;Leases (Topic 842).&#8221; At the inception of an arrangement,
the Company determines if an arrangement is, or contains, a lease based on facts and circumstances present in that arrangement. Lease
classifications, recognition, and measurement are then determined at the lease commencement date.</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s operating lease right-of-use (&#8220;ROU&#8221;) assets and operating lease liabilities represent primarily leases for
office and warehouse spaces used to conduct our business. These leases have remaining terms of approximately two to eight years which
include additional options to renew. The Company includes renewal options in valuing its ROU assets and liabilities when it determines
that it is reasonably certain to exercise these renewal options. As most of our operating leases do not provide an implicit rate, the
Company uses its incremental borrowing rate as the discount rate when determining the present value of the lease payments. The incremental
borrowing rate is determined based on the Company&#8217;s secured borrowing rate, lease terms and current economic environment. Some
of our operating leases include both lease (rent payments) and non-lease components (maintenance costs such as cleaning and landscaping
services). The Company has elected the practical expedient to account for lease component and non-lease component as a single component
for all leases under ASU 2016-02. Lease expense for operating leases is recognized on a straight-line basis over the lease term.</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Finance
leases primarily consist of processing and transport equipment used by our facilities&#8217; operations. The Company&#8217;s finance
leases also included a building with land utilized for our waste treatment operations which included a purchase option. During the third
quarter of 2021, the Company concluded that it was more likely than not that it would not exercise this purchase option but will continue
to lease the property. Accordingly, a reassessment of this lease was performed which resulted in reclassification of this lease to an
operating lease. The Company&#8217;s finance leases have remaining terms of approximately one to four years and some of the leases include
options to purchase the underlying assets at fair market value at the conclusion of the lease term. See &#8220;Property and Equipment&#8221;
above for assets recorded under financed leases. Borrowing rates for our finance leases are either explicitly stated in the lease agreements
or implicitly determined from available terms in the lease agreements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company adopted the policy to not recognize ROU assets and liabilities for short term leases.</span></p>

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<p id="xdx_84E_eus-gaap--GoodwillAndIntangibleAssetsPolicyTextBlock_zMHJAcx1vUh8" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_868_zQ8LslH3BMt6">Intangible
Assets</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Intangible
assets consist primarily of the recognized value of the permits required to operate our business. Indefinite-lived intangible assets
are not amortized but are reviewed for impairment annually as of October 1, or when events or changes in the business environment indicate
that the carrying value may be impaired. If the fair value of the asset is less than the carrying amount, a quantitative test is performed
to determine the fair value. The impairment loss, if any, is measured as the excess of the carrying value of the asset over its fair
value. Judgments and estimates are inherent in these analyses and include assumptions for, among other factors, forecasted revenue, gross
margin, growth rate, operating income, timing of expected future cash flows, and the determination of appropriate long-term discount
rates. Impairment testing of our indefinite-lived permits related to our Treatment reporting unit as of October 1, 2021 and 2020 resulted
in no impairment charges.</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Intangible
assets that have definite useful lives are amortized using the straight-line method over the estimated useful lives (with the exception
of customer relationships which are amortized using an accelerated method) and are excluded from our annual intangible asset valuation
review as of October 1. Definite-lived intangible assets are also tested for impairment whenever events or changes in circumstances suggest
impairment might exist.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_84B_eus-gaap--ResearchAndDevelopmentExpensePolicy_zXHCLr8Iyoia" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86A_zcMGIrM1cauh">R&amp;D</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Operational
innovation and technical know-how are very important to the success of our business. Our goal is to discover, develop, and bring to market
innovative ways to process waste that address unmet environmental needs and to develop new company service offerings. The Company conducts
research internally and also through collaborations with other third parties. R&amp;D costs consist primarily of employee salaries and
benefits, laboratory costs, third party fees, and other related costs associated with the development and enhancement of new potential
waste treatment processes and new technology and are charged to expense when incurred in accordance with ASC Topic 730, &#8220;Research
and Development.&#8221;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p id="xdx_845_eus-gaap--AssetRetirementObligationsPolicy_zZQaogrcIlZi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_868_zgOMvZiQ94f7">Accrued
Closure Costs and ARO</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accrued
closure costs represent our estimated environmental liability to clean up our facilities, as required by our permits, in the event of
closure. ASC 410, &#8220;Asset Retirement and Environmental Obligations&#8221; requires that the discounted fair value of a liability
for an ARO be recognized in the period in which it is incurred with the associated ARO capitalized as part of the carrying cost of the
asset. The recognition of an ARO requires that management make numerous estimates, assumptions and judgments regarding such factors as
estimated probabilities, timing of settlements, material and service costs, current technology, laws and regulations, and credit adjusted
risk-free rate to be used. This estimate is inflated, using an inflation rate, to the expected time at which the closure will occur,
and then discounted back, using a credit adjusted risk free rate, to the present value. ARO&#8217;s are included within buildings as
part of property and equipment and are depreciated over the estimated useful life of the property. In periods subsequent to initial measurement
of the ARO, the Company must recognize period-to-period changes in the liability resulting from the passage of time and revisions to
either the timing or the amount of the original estimate of undiscounted cash flows. Increases in the ARO liability due to passage of
time impact net income as accretion expense, which is included in cost of goods sold. Changes in costs resulting from changes or expansion
at the facilities require adjustment to the ARO liability and are capitalized and charged as depreciation expense, in accordance with
the Company&#8217;s depreciation policy.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_84A_eus-gaap--IncomeTaxPolicyTextBlock_zYQJugLOWcAf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_863_zxTwsH0WguNe">Income
Taxes</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Income
taxes are accounted for in accordance with ASC 740, &#8220;Income Taxes.&#8221; Under ASC 740, the provision for income taxes is comprised
of taxes that are currently payable and deferred taxes that relate to the temporary differences between financial reporting carrying
values and tax bases of assets and liabilities. Deferred tax assets and liabilities are measured using enacted income tax rates expected
to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. Any effect on deferred
tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">ASC
740 requires that deferred income tax assets be reduced by a valuation allowance if it is more likely than not that some portion or all
of the deferred income tax assets will not be realized. The Company regularly assesses the likelihood that the deferred tax asset will
be recovered from future taxable income. The Company considers projected future taxable income and ongoing tax planning strategies, then
records a valuation allowance to reduce the carrying value of the net deferred income taxes to an amount that is more likely than not
to be realized. (See &#8220;Note 13 &#8211; Income Taxes&#8221; for a discussion of the release of valuation allowance on deferred tax
assets made by the Company in the third quarter of 2021).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">ASC
740 sets out a consistent framework for preparers to use to determine the appropriate recognition and measurement of uncertain tax positions.
ASC 740 uses a two-step approach wherein a tax benefit is recognized if a position is more-likely-than-not to be sustained. The amount
of the benefit is then measured to be the highest tax benefit which is greater than 50% likely to be realized. ASC 740 also sets out
disclosure requirements to enhance transparency of an entity&#8217;s tax reserves. The Company recognizes accrued interest and income
tax penalties related to unrecognized tax benefits as a component of income tax expense.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company reassesses the validity of our conclusions regarding uncertain income tax positions on a quarterly basis to determine if facts
or circumstances have arisen that might cause us to change our judgment regarding the likelihood of a tax position&#8217;s sustainability
under audit.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_847_eus-gaap--ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_zgbR2zZWy2Bj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86C_zBUWCLFxqK0l">Foreign
Currency</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s foreign subsidiaries include PF UK Limited and PF Canada and also included PF Medical. Assets and liabilities
are translated to U.S. dollars at the exchange rate in effect at the balance sheet date and revenue and expenses at the average exchange
rate for the period. Foreign currency translation adjustments for these subsidiaries are accumulated as a separate component of accumulated
other comprehensive income (loss) in stockholders&#8217; equity. Gains and losses resulting from foreign currency transactions are recognized
in the Consolidated Statements of Operations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p id="xdx_846_eus-gaap--ConcentrationRiskCreditRisk_zF6hNojxV1v9" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86B_zeK1YQ8KsLt9">Concentration
Risk</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company performed services relating to waste generated by government clients (domestic and foreign (primarily Canadian)), either indirectly
for others as a subcontractor to government entities or directly as a prime contractor, representing approximately $<span id="xdx_901_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zVr5CjsV0Sh3">60,812,000</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">,
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">or <span id="xdx_903_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_z89lMpccT1Pg">84.2</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%,
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">of our total revenue during 2021, as compared to
$<span id="xdx_90C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zp8dLn8NNaHd">96,582,000</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">,
or <span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zLPkLVStwqO1">91.6</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%,
of our total revenue during 2020.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Revenue
generated by the Company as a subcontractor to a customer for a remediation project performed for a government entity (the DOE) within
our Services Segment in 2021 and 2020 accounted for approximately $<span id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesSegmentMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zyY8J9Oiezei">8,526,000
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">or <span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesSegmentMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zps7gZVZFlod">11.8</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">and $<span id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesSegmentMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zB4Xg1hmwnW9">41,011,000
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">or <span id="xdx_901_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesSegmentMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zg4sC9OHrzc3">38.9</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
(included in revenues generated relating to government clients above) of the Company&#8217;s total revenue for 2021 and 2020, respectively.
This remediation project included among other things, decontamination support of a building. This project was completed in the second
quarter of 2021.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
our revenues are project/event based where the completion of one contract with a specific customer may be replaced by another contract
with a different customer from year to year, the Company does not believe the loss of one specific customer from one year to the next
will generally have a material adverse effect on our operations and financial condition.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Financial
instruments that potentially subject the Company to significant concentrations of credit risk consist principally of cash and accounts
receivable. The Company maintains cash with high quality financial institutions, which may exceed Federal Deposit Insurance Corporation
(&#8220;FDIC&#8221;) insured amounts from time to time. Concentration of credit risk with respect to accounts receivable is limited due
to the Company&#8217;s large number of customers and their dispersion throughout the United States as well as with the significant amount
of work that we perform for government entities.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company had two government related customers whose total unbilled and net outstanding receivable balances represented <span id="xdx_905_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerOneMember_zglrCbsZWlZ5">18.2</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">and <span id="xdx_900_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerTwoMember_zmkRKuIlFsc1">23.5</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">of the Company&#8217;s total consolidated unbilled
and net accounts receivable at December 31, 2021. The Company had three government related customers whose total unbilled and net outstanding
receivable balances represented <span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerOneMember_z8asSgCsEFBg">41.1</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%,
<span id="xdx_90D_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerTwoMember_zStgEcZD7Gia">19.0</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
and <span id="xdx_908_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerThreeMember_zvjee5VvMBTl">12.5</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
of the Company&#8217;s total consolidated unbilled and net accounts receivable at December 31, 2020.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_841_eus-gaap--RevenueRecognitionPolicyTextBlock_z2XixP5DCqph" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_861_zsDlsj3pxPG6">Revenue
Recognition and Related Policies</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company recognizes revenue in accordance with FASB&#8217;s ASC 606, &#8220;Revenue from Contracts with Customers.&#8221; ASC 606 provides
a single, comprehensive revenue recognition model for all contracts with customers. Under ASC 606, a five-step process is utilized in
order to determine revenue recognition, depicting the transfer of goods or services to a customer at an amount that reflects the consideration
it expects to receive in exchange for those goods or services. Under ASC 606, a performance obligation is a promise in a contract to
transfer a distinct good or service to the customer and is the unit of account. A contract transaction price is allocated to each distinct
performance obligation and recognized as revenues as the performance obligation is satisfied.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Treatment
Segment Revenues:</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Contracts
in our Treatment Segment primarily have a single performance obligation as the promise to receive, treat and dispose of waste is not
separately identifiable in the contract and, therefore, not distinct. Performance obligations are generally satisfied over time using
the input method. Under the input method, the Company uses a measure of progress divided into major phases which include receipt (ranging
from <span id="xdx_90E_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--ReceiptMember__srt--RangeAxis__srt--MinimumMember_zQjzGbVE8dui">9.0</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
to <span id="xdx_909_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--ReceiptMember__srt--RangeAxis__srt--MaximumMember_zNit39EsWWg1">33</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%),
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">treatment/processing (ranging from <span id="xdx_90F_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--TreatmentOrProcessingMember__srt--RangeAxis__srt--MinimumMember_z3tTKMzhIqjj">15</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
to <span id="xdx_902_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--TreatmentOrProcessingMember__srt--RangeAxis__srt--MaximumMember_z3NvBeyc1K77">79</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%)
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">and shipment/final disposal (ranging from <span id="xdx_902_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--ShipmentOrFinalDisposalMember__srt--RangeAxis__srt--MinimumMember_zwJSRIJ27pV5">9.0</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">to <span id="xdx_903_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--ShipmentOrFinalDisposalMember__srt--RangeAxis__srt--MaximumMember_zngmvGFCj4A1">52</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%).
As major processing phases are completed and the costs are incurred, the proportional percentage of revenue is recognized. Transaction
price for Treatment Segment contracts are determined by the stated fixed rate per unit price as stipulated in the contract.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Services
Segment Revenues:</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Revenues
for our Services Segment are generated from time and materials or fixed price arrangements:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s primary obligation to customers in time and materials contracts relate to the provision of services to the customer at
the direction of the customer. This provision of services at the request of the customer is the performance obligation, which is satisfied
over time. Revenue earned from time and materials contracts is determined using the input method and is based on contractually defined
billing rates applied to services performed and materials delivered.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Under
fixed price contracts, the objective of the project is not attained unless all scope items within the contract are completed and all
of the services promised within fixed fee contracts constitute a single performance obligation. Transaction price is estimated based
upon the estimated cost to complete the overall project. Revenue from fixed price contracts is recognized over time primarily using the
input method. For the input method, revenue is recognized based on costs incurred on the project relative to the total estimated costs
of the project.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
majority of our contracts with our customers are short term with an original expected length of one year or less. The Company&#8217;s
contracts and subcontracts relating to activities at governmental sites (both U.S. and Canadian) generally allow for termination for
convenience at any time at the government&#8217;s option without payment of a substantial penalty.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Variable
Consideration</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s contracts generally do not give rise to variable consideration. However, during the third quarter of 2021, the Company
recognized approximately $<span id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20210701__20210930_z8Ko2MNDgpsd" title="Revenue">1,286,000</span> in revenue from a REA under one of the Company&#8217;s Treatment Services contracts that resulted
in cumulative catch-up adjustment in the transaction price that had been constrained in prior periods.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Significant
Payment Terms</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Invoicing
is based on schedules established in customer contracts. Payment terms vary by customers but are generally established at 30 days from
invoicing.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Incremental
Costs to Obtain a Contract</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Costs
incurred to obtain contracts with our customers are immaterial and as a result, the Company expenses (within selling, general and administration
expenses (&#8220;SG&amp;A&#8221;)) incremental costs incurred in obtaining contracts with our customer as incurred.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Remaining
Performance Obligations</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company applies the practical expedient in ASC 606-10-50-14 and does not disclose information about remaining performance obligations
that have original expected durations of one year or less.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Within
our Services Segment, there are service contracts which provide that the Company has a right to consideration from a customer in an amount
that corresponds directly with the value to the customer of our performance completed to date. For those contracts, the Company has utilized
the practical expedient in ASC 606-10-55-18, which allows the Company to recognize revenue in the amount for which we have the right
to invoice; accordingly, the Company does not disclose the value of remaining performance obligations for those contracts.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s contracts and subcontracts relating to activities at governmental sites generally allow for termination for convenience
at any time at the government&#8217;s option without payment of a substantial penalty. The Company does not disclose remaining performance
obligations on these contracts.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_84C_eus-gaap--ShareBasedCompensationOptionAndIncentivePlansPolicy_z2XOCMi2zSSj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_865_zNAzUOtbJQ4g">Stock-Based
Compensation</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Stock-based
compensation granted to employees are accounted for in accordance with ASC 718, &#8220;Compensation &#8211; Stock Compensation.&#8221;
Stock-based payment transactions for acquiring goods and services from nonemployees are also accounted for under ASC 718. ASC 718 requires
stock-based payments to employees and nonemployees, including grant of options, to be recognized in the Statement of Operations based
on their fair values. The Company uses the Black-Scholes option-pricing model to determine the fair-value of stock-based awards which
requires subjective assumptions. Assumptions used to estimate the fair value of stock-based awards include the exercise price of the
award, the expected term, the expected volatility of our stock over the stock-based award&#8217;s expected term, the risk-free interest
rate over the award&#8217;s expected term, and the expected annual dividend yield. The Company accounts for forfeitures when they occur.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p id="xdx_84A_eus-gaap--ComprehensiveIncomePolicyPolicyTextBlock_z87QLDUFkqpd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86E_zznCQdlYtPCl">Comprehensive
Income (Loss)</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
components of comprehensive income (loss) are net income (loss) and the effects of foreign currency translation adjustments.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_84A_eus-gaap--EarningsPerSharePolicyTextBlock_z139BlnYUEvh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_860_zhO0cBAfs6a3">Income
(Loss) Per Share</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Basic
income (loss) per share is calculated based on the weighted-average number of outstanding common shares during the applicable period.
Diluted income (loss) per share is based on the weighted-average number of outstanding common shares plus the weighted-average number
of potential outstanding common shares. In periods where they are anti-dilutive, such amounts are excluded from the calculations of dilutive
earnings per share. Income (loss) per share is computed separately for each period presented.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_843_eus-gaap--FairValueMeasurementPolicyPolicyTextBlock_zURtsU9GkArk" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86B_zFhbBrHWDiCc">Fair
Value of Financial Instruments</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Certain
assets and liabilities are required to be recorded at fair value on a recurring basis, while other assets and liabilities are recorded
at fair value on a nonrecurring basis. Fair value is determined based on the exchange price that would be received for an asset or paid
to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction
between market participants. The three-tier value hierarchy, which prioritizes the inputs used in the valuation methodologies, is:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Level
1</b><i>&#8212;</i>Valuations based on quoted prices for identical assets and liabilities in active markets.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Level
2</b><i>&#8212;</i>Valuations based on observable inputs other than quoted prices included in Level 1, such as quoted prices for similar
assets and liabilities in active markets, quoted prices for identical or similar assets and liabilities in markets that are not active,
or other inputs that are observable or can be corroborated by observable market data.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Level
3</b><i>&#8212;</i>Valuations based on unobservable inputs reflecting the Company&#8217;s own assumptions, consistent with reasonably
available assumptions made by other market participants.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Financial
instruments include cash (Level 1), accounts receivable, accounts payable, and debt obligations (Level 3). <span style="background-color: white">Credit
is extended to customers based on an evaluation of a customer&#8217;s financial condition and, generally, collateral is not required.
</span>At December 31, 2021 and December 31, 2020, the fair value of the Company&#8217;s financial instruments approximated their carrying
values. The fair value of the Company&#8217;s revolving credit and term loan approximate its carrying value due to the variable interest
rate.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_842_eus-gaap--NewAccountingPronouncementsPolicyPolicyTextBlock_zNpGcH4N7Ix" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_865_zkuhuOZ0IhCb">Recently
Adopted Accounting Standards</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
December 2019, the FASB issued ASU No. 2019-12, &#8220;Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes,&#8221;
which is intended to simplify various aspects related to accounting for income taxes. ASU 2019-12 removes certain exceptions to the general
principles in Topic 740 and also clarifies and amends existing guidance to improve consistent application. This guidance is effective
for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2020, with early adoption permitted. The
adoption of ASU No. 2019-12 by the Company effective January 1, 2021 did not have a material impact on the Company&#8217;s financial
statements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; background-color: white">In
January 2020, the FASB issued ASU 2020-01, &#8220;Investments - Equity Securities (Topic 321), Investments - Equity Method and Joint
Ventures (Topic 323), and Derivatives and Hedging (Topic 815), clarifying the Interactions between Topic 321, Topic 323, and Topic 815.&#8221;
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">This guidance addresses accounting for the transition
into and out of the equity method and provides clarification of the interaction of rules for equity securities, the equity method of
accounting, and forward contracts and purchase options on certain types of securities. This standard is effective for fiscal years and
interim periods within those fiscal years beginning after December 15, 2020. Early adoption is permitted. The adoption of ASU No. 2020-01
by the Company effective January 1, 2021 did not have a material impact on the Company&#8217;s financial statements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
October 2020, the FASB issued ASU No 2020-10, &#8220;Codification Improvements.&#8221; ASU 2020-10 updates various codification topics
by clarifying or improving disclosure requirements. ASU 2020-10 is effective for public entities for fiscal years beginning after December
15, 2020, with early adoption permitted. The adoption of ASU No. 2020-01 by the Company effective January 1, 2021 did not have a material
impact on the Company&#8217;s financial statements or disclosures.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

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Issued Accounting Standards &#8211; Not Yet Adopted</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
June 2016, the FASB issued ASU No. 2016-13, &#8220;Credit Losses (Topic 326) - Measurement of Credit Losses on Financial Instruments,&#8221;
and various subsequent amendments to the initial guidance (collectively, &#8220;Topic 326&#8221;). Topic 326 introduces an approach,
based on expected losses, to estimate credit losses on certain types of financial instruments and modifies the impairment model for available-for-sale
debt securities. The new approach to estimating credit losses (referred to as the current expected credit losses model) applies to most
financial assets measured at amortized cost and certain other instruments, including trade and other receivables and loans. Entities
are required to apply the standard&#8217;s provisions as a cumulative-effect adjustment to retained earnings as of the beginning of the
first reporting period in which the guidance is adopted. In November 2019, FASB issued ASU 2019-10, &#8220;Financial Instruments &#8211;
Credit Losses (Topic 326), Derivatives and Hedging (Topic 815), and Leases (Topic 842),&#8221; which defers the effective date of ASU
2016-13 for public companies that are considered smaller reporting companies (&#8220;SRC&#8221;) as defined by the Commission to fiscal
years beginning after December 15, 2022, including interim periods within those fiscal years. These ASUs are effective January 1, 2023
for the Company as an SRC. Under new guidance issued by the Commission in March 2020, the Company continues to qualify as a smaller reporting
company but has become an accelerated filer for all filings with the Commission starting with this Form 10-K filing and all subsequent
filings. The Company is currently evaluating the impact of these ASU on its consolidated financial statements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
August 2020, the FASB issued ASU No. 2020-06, &#8220;Debt &#8211; Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives
and Hedging &#8211; Contracts in Entity&#8217;s Own Equity.&#8221; ASU 2020-06 simplifies the accounting for convertible instruments
by removing major separation models and removing certain settlement condition qualifiers for the derivatives scope exception for contracts
in an entity&#8217;s own equity, and simplifies the related diluted net income per share calculation for both Subtopics. ASU 2020-06
is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2023, for the Company as an
SRC. Early adoption is permitted, but no earlier than fiscal years beginning after December 15, 2020, including interim periods within
those fiscal years. The Company is currently evaluating the impact of this ASU on its consolidated financial statements and disclosures.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
May 2021, the FASB issued ASU No. 2021-04, &#8220;Earnings Per Share (Topic 206), Debt-Modifications and Extinguishments (Subtopic 470-50),
Compensation-Stock Compensation (Topic 718), and Derivatives and Hedging-Contracts in Entity&#8217;s Own Equity (Subtopic 815-40): Issuer&#8217;s
Accounting for Certain Modifications or Exchanges of Freestanding Equity-Classified Written Call Options (a consensus of the FASB Emerging
Issues Task Force).&#8221; ASU 2021-04 addresses issuer&#8217;s accounting for certain modifications or exchanges of freestanding equity-classified
written call options. This ASU is effective for all entities, for fiscal years beginning after December 15, 2021, including interim periods
within those fiscal years. Early adoption is permitted. This ASU is effective January 1, 2022 for the Company. The Company does not expect
the adoption of this ASU will have a material impact on its financial statements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374708863240">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>REVENUE<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerAbstract', window );"><strong>Revenue from Contract with Customer [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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</tr>
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<td class="text"><p id="xdx_80E_eus-gaap--RevenueFromContractWithCustomerTextBlock_zkCUB5Q6CG8b" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
3</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_820_zte3clBDoqU9">REVENUE</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Disaggregation
of Revenue</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_89E_eus-gaap--DisaggregationOfRevenueTableTextBlock_zo7tYD6gyGXh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
general, the Company&#8217;s business segmentation is aligned according to the nature and economic characteristics of our services and
provides meaningful disaggregation of each business segment&#8217;s results of operations. The following tables present further disaggregation
of our revenues by different categories for our Services and Treatment Segments:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B0_zjtUKy0d2kYk" style="display: none">SCHEDULE OF DISAGGREGATION OF REVENUE</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Revenue by Contract Type</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">(In thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Twelve
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    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Twelve
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    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Treatment</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Services</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Treatment</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Services</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 40%"><span style="font-family: Times New Roman, Times, Serif">Fixed price</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z1kVSmjYu86g" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">11,236</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember_zUwbot7nqwmi" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">44,228</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_znVOa9T0D5sc" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">30,143</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z8MhSdsRh5Pd" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">8,970</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember_zV51b4LAPyc2" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">39,113</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Time and materials</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zgdkj5N9inSl" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0851">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zy5XcQewP9I2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">27,963</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember_zI3rqz6iOWF5" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">27,963</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zjEO3Ockcwqa" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0857">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_ziGd7VnYdrd9" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">66,313</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember_ziAk732hcdi3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">66,313</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zUNGBUS86Sil" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">32,992</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zvW07rho2AT2" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">39,199</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231_zz73cGLOn094" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">72,191</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z3njenhIcUL7" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">30,143</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zTGg8MuWRLik" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">75,283</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231_zMqR4P9zHvlb" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">105,426</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Revenue by generator</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">(In thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Twelve
    Months Ended</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Twelve
    Months Ended</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Treatment</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Services</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Treatment</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Services</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 40%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Domestic government</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zszD1EacQHeh" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">22,538</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zmxZRLHGnTYd" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">29,013</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zaM3HkIDvO34" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">51,551</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z23weyAIRdbf" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">22,795</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zGwUjZbBVlG8" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">68,237</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zrfsTf5Oiumi" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">91,032</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Domestic commercial</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_ziF47cGe2mNa" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">9,294</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zcMaW0nG1Xbf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">1,412</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticCommercialMember_z48Zu4tqPrC6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">10,706</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z92mSFpbmohe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">6,933</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zFKCTtsqc0Dc" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">1,825</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticCommercialMember_zhM0TcKV8qs8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">8,758</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Foreign government</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zps7Ll32f344" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">577</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98B_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zQ4guH41zCsh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">8,684</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zOwYValUHaid" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">9,261</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zhIXqo2dWBHd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">415</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zSpisHgaBsBe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">5,135</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zAtmLWc1qcXj" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">5,550</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Foreign commercial</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zQgyNtNzhM5j" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">583</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zkNniQMDA1y6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">90</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignCommercialMember_zCMIO554af54" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">673</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zKP6aOLGfT3d" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0917">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zSFC2arx9wng" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">86</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignCommercialMember_zXZsLywb9qlc" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">86</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zj9N9zmJZ2Oa" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">32,992</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zlG9aTmxyOmb" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">39,199</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231_zcCaYHniXj3a" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">72,191</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zAYd7JBCoB2k" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">30,143</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zxLqeS6a7EOa" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">75,283</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231_zlfy8wWTDUng" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">105,426</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p id="xdx_8A4_zlEsmlMAXTU8" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Contract
Balances</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
timing of revenue recognition, billings, and cash collections results in accounts receivable and unbilled receivables (contract assets).
The Company&#8217;s contract liabilities consist of deferred revenues which represents advance payment from customers in advance of the
completion of our performance obligation.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_89D_eus-gaap--ContractWithCustomerAssetAndLiabilityTableTextBlock_zQQiUJnA2AAd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table represents changes in our contract assets and contract liabilities balances:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8BD_zkEgi9JLdwna" style="display: none">SCHEDULE OF CONTRACT ASSETS AND LIABILITIES</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Year-to-date</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Year-to-date</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(In thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Change
    ($)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Change
    (%)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Contract assets</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; width: 36%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Account receivables, net of allowance</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--AccountsReceivableNetCurrent_iI_pn3n3_c20211231_z4SWamztaR64" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right" title="Account receivables, net of allowance"><span style="font-family: Times New Roman, Times, Serif">11,372</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--AccountsReceivableNetCurrent_iI_pn3n3_c20201231_zjlZuefJewib" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right" title="Account receivables, net of allowance"><span style="font-family: Times New Roman, Times, Serif">9,659</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease_pn3n3_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_z56xOnuG0Pv" style="font-family: Times New Roman, Times, Serif; width: 10%; text-align: right" title="Change in account receivable, net of allowances"><span style="font-family: Times New Roman, Times, Serif">1,713</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98B_ecustom--ChangesInAccountReceivablesNetOfAllowancePercentage_pid_dp_uPure_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_zDAi2BEHU1V" style="font-family: Times New Roman, Times, Serif; width: 10%; text-align: right" title="Changes in account receivables, net of allowances, percentage"><span style="font-family: Times New Roman, Times, Serif">17.7</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Unbilled receivables - current</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--UnbilledReceivablesCurrent_iI_pn3n3_c20211231_zdcuHTO5zymd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Unbilled receivables - current"><span style="font-family: Times New Roman, Times, Serif">8,995</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_eus-gaap--UnbilledReceivablesCurrent_iI_pn3n3_c20201231_zCEHc4v4ZLhf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Unbilled receivables - current"><span style="font-family: Times New Roman, Times, Serif">14,453</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98D_ecustom--IncreaseDecreaseInUnbilledReceivable_pn3n3_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_zcbPcxeUAgRf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Changes in unbilled receivables - current"><span style="font-family: Times New Roman, Times, Serif">(5,458</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_ecustom--ChangeInUnbilledReceivablesCurrentPercentage_pid_dp_uPure_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_zO0IzuUiWsT4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Changes in unbilled receivables - current, percentage"><span style="font-family: Times New Roman, Times, Serif">(37.8</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Contract liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--DeferredRevenueCurrent_iI_pn3n3_c20211231_zQsJfu1FiEhd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Deferred revenue"><span style="font-family: Times New Roman, Times, Serif">5,580</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98D_ecustom--ChangesInDeferredRevenuePercentage_pid_dp_uPure_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_zYyidq0CDfMk" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Changes in deferred revenue, percentage"><span style="font-family: Times New Roman, Times, Serif">20.9</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
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<p id="xdx_8A6_z5FzbAwFgOB1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"/>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
decrease in unbilled receivables was primarily within our Services Segment due to invoicing and collection of accounts receivable on
certain large projects which have been completed or are near completion.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">During
the twelve months ended December 31, 2021 and 2020, the Company recognized revenue of $<span id="xdx_902_eus-gaap--ContractWithCustomerLiabilityRevenueRecognized_pp0p0_c20210101__20211231_zSL2JxwP02W7" title="Revenue recognized">7,196,000</span> and $<span id="xdx_90A_eus-gaap--ContractWithCustomerLiabilityRevenueRecognized_pp0p0_c20200101__20201231_zgoF4jmJXU5c" title="Revenue recognized">8,094,000</span>, respectively, related
to untreated waste that was in the Company&#8217;s control as of the beginning of each respective year. Revenue recognized in each period
related to performance obligations satisfied within the respective period.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.</p></div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374708863240">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>LEASES<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DisclosureLeasesAbstract', window );"><strong>Leases</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_LesseeOperatingAndFinanceLeasesTextBlock', window );">LEASES</a></td>
<td class="text"><p id="xdx_804_ecustom--LesseeOperatingAndFinanceLeasesTextBlock_zr5KRl6b6gK2" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
4</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_824_zOOitnK5E0Ja">LEASES</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p id="xdx_893_eus-gaap--LeaseCostTableTextBlock_zcULGICtTLgj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
components of lease cost for the Company&#8217;s leases were as follows (in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8BD_zYxdlLQM1cfc" style="display: none">SCHEDULE OF COMPONENTS OF LEASE COST</span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"/>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%">
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    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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<tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Twelve Months Ended</span></p>
                                                                                <p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">December 31,</span></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Finance Leases:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_402_eus-gaap--FinanceLeaseRightOfUseAssetAmortization_pn3n3_maFLzRjv_zOgt2m1OyJC3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Amortization of ROU assets</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">220</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">220</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_403_eus-gaap--FinanceLeaseInterestExpense_pn3n3_maFLzRjv_z4EPKWTwlzs" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Interest
    on lease liability</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">97</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">143</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_ecustom--FinanceLease_iT_pn3n3_mtFLzRjv_maLCzrDO_zgh8aJ3sNEz8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;<span style="display: none; font-size: 10pt">Finance
    leases cost</span></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">317</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">363</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_409_eus-gaap--ShortTermLeaseCost_pn3n3_maLCzrDO_zijg7ZVuxM2g" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Short-term lease rent
    expense</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">13</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--LeaseCost_iT_pn3n3_mtLCzrDO_zwGcDh5dvlHh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total lease cost</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">829</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">834</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p id="xdx_8AE_zM36cCi0Z09g" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"/>

<p id="xdx_896_ecustom--ScheduleOfWeightedAverageLeaseTableTextBlock_z5ph4wWbcBxl" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
weighted average remaining lease term and the weighted average discount rate for operating and finance leases at December 31, 2021 were:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B2_zvE0rpbBLzlf" style="display: none">SCHEDULE OF WEIGHTED AVERAGE LEASE</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Operating
    Leases</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Finance
    Leases</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Weighted average remaining lease
    terms (years)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_906_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20211231_zvvsU6eqbNz2" title="Operating leases, weighted average remaining lease terms (years)">6.9</span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_907_eus-gaap--FinanceLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20211231_zBbcZfIcQvd6" title="Finance leases, weighted average remaining lease terms (years)">4.0</span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Weighted average discount rate</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_90C_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20211231_z4J14hfGdC5" title="Operating leases, weighted average discount rate">7.6</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_90B_eus-gaap--FinanceLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20211231_zkh1OsCXUWX4" title="Finance leases, weighted average discount rate">6.2</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
weighted average remaining lease term and the weighted average discount rate for operating and finance leases at December 31, 2020 was:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Operating Leases</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Finance Leases</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Weighted average remaining lease
    terms (years)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_902_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20201231_zer5s9vSx4wf" title="Operating leases, weighted average remaining lease terms (years)">8.0</span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_907_eus-gaap--FinanceLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20201231_zGiXFIC4a5gd" title="Finance leases, weighted average remaining lease terms (years)">3.5</span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Weighted average discount rate</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_907_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20201231_zD1XbyAj1Cl1" title="Operating leases, weighted average discount rate">8.0</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_903_eus-gaap--FinanceLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20201231_zWyV9RbaaGm3" title="Finance leases, weighted average discount rate">7.3</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  </table>

<p id="xdx_8AB_zptoRxxnn3q9" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_898_ecustom--OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock_zGwaM4zyBPk1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table reconciles the undiscounted cash flows for the operating and finance leases at December 31, 2021 to the operating and
finance lease liabilities recorded on the balance sheet (in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B6_zW6Lj4rKrW58" style="display: none">SCHEDULE OF OPERATING AND FINANCE LEASE LIABILITY MATURITY</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Operating
    Leases</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Finance
    Leases</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2022</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_iI_pn3n3_c20211231_z3zAxVgPs7da" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Operating Leases 2022"><span style="font-family: Times New Roman, Times, Serif">576</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_iI_pn3n3_c20211231_zaosGGXSQMYf" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Finance Leases 2022"><span style="font-family: Times New Roman, Times, Serif">398</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2023</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_iI_pn3n3_c20211231_z2pyED9zP8tf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases 2023"><span style="font-family: Times New Roman, Times, Serif">560</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98A_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearTwo_iI_pn3n3_c20211231_zKmmUhJdrXF6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases 2023"><span style="font-family: Times New Roman, Times, Serif">314</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2024</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98F_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearThree_iI_pn3n3_c20211231_z2egUjKSWyah" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases 2024"><span style="font-family: Times New Roman, Times, Serif">419</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearThree_iI_pn3n3_c20211231_z3purjmH9bv6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases 2024"><span style="font-family: Times New Roman, Times, Serif">310</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2025</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98D_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearFour_iI_pn3n3_c20211231_ziyTOTY9Exp5" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases 2025"><span style="font-family: Times New Roman, Times, Serif">327</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearFour_iI_pn3n3_c20211231_zCqeqWbpwI4d" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases 2025"><span style="font-family: Times New Roman, Times, Serif">299</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2026</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearFive_iI_pn3n3_c20211231_zQay14EEUYb9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases 2026"><span style="font-family: Times New Roman, Times, Serif">305</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98B_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearFive_iI_pn3n3_c20211231_z9343JkReote" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases 2026"><span style="font-family: Times New Roman, Times, Serif">82</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">2027 and thereafter</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_iI_pn3n3_c20211231_zmAYRdFCnaP7" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases 2027 and thereafter"><span style="font-family: Times New Roman, Times, Serif">955</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_988_eus-gaap--FinanceLeaseLiabilityPaymentsDueAfterYearFive_iI_pn3n3_c20211231_zm8aetqdqmx5" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="2027 and thereafter Finance Leases"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1029">-</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">Total undiscounted lease payments</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_988_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDue_iI_pn3n3_c20211231_zEhdr6i4qtA" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases Total undiscounted lease payments"><span style="font-family: Times New Roman, Times, Serif">3,142</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_eus-gaap--FinanceLeaseLiabilityPaymentsDue_c20211231_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases Total undiscounted lease payments"><span style="font-family: Times New Roman, Times, Serif">1,403</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Less: Imputed interest</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_iNI_pn3n3_di_c20211231_zz5uKbJVG4le" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases Less: Imputed interest"><span style="font-family: Times New Roman, Times, Serif">(707</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_eus-gaap--FinanceLeaseLiabilityUndiscountedExcessAmount_iNI_pn3n3_di_c20211231_zetjldfTHMsb" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases Less: Imputed interest"><span style="font-family: Times New Roman, Times, Serif">(186</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Present value of lease
    payments</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--OperatingLeaseLiability_c20211231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases Present value of lease payments"><span style="font-family: Times New Roman, Times, Serif">2,435</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--FinanceLeaseLiability_c20211231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases Present value of lease payments"><span style="font-family: Times New Roman, Times, Serif">1,217</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Current portion of operating lease obligations</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--OperatingLeaseLiabilityCurrent_c20211231_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Current portion of operating lease obligations"><span style="font-family: Times New Roman, Times, Serif">406</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Long-term operating lease obligations, less
    current portion</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--OperatingLeaseLiabilityNoncurrent_c20211231_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Long-term operating lease obligations, less current portion"><span style="font-family: Times New Roman, Times, Serif">2,029</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Current portion of finance lease obligations</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--FinanceLeaseLiabilityCurrent_c20211231_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Current portion of finance lease obligations"><span style="font-family: Times New Roman, Times, Serif">333</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Long-term finance lease obligations, less current
    portion</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--FinanceLeaseLiabilityNoncurrent_c20211231_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Long-term finance lease obligations, less current portion"><span style="font-family: Times New Roman, Times, Serif">884</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p id="xdx_8A4_z67RTZhFl6jh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_89D_ecustom--ScheduleOfSupplementalCashFlowAndOtherInformationRelatedToLeasesTableTextBlock_zCUd8CBC9QYf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Supplemental
cash flow and other information related to our leases were as follows (in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8BB_z4sLRG5LsH28" style="display: none">SCHEDULE OF SUPPLEMENTAL CASH FLOW AND OTHER INFORMATION RELATED TO LEASES</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="display: none; font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_493_20210101__20211231_zBK7sSpcSYu8" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_496_20200101__20201231_zNKV3ACRyRV5" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="padding-bottom: 1pt; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Twelve Months Ended December
    31,</span></td><td style="padding-bottom: 1pt; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Cash paid for amounts included in the measurement of lease liabilities:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--OperatingLeasePayments_pn3n3_zEaui73FcLyb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Operating cash
    flow from operating leases</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">439</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">442</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_400_eus-gaap--FinanceLeaseInterestExpense_pn3n3_zDsEyMYgN9A5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Operating cash flow from
    finance leases</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">97</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">143</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40D_eus-gaap--FinanceLeasePrincipalPayments_pn3n3_zmLXmfTVXOrg" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Financing cash flow from
    finance leases</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">334</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">615</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">ROU assets obtained in exchange for lease obligations
    for:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_406_eus-gaap--RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_pn3n3_zer0UzmrHjq3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Finance liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">577</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">874</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_pn3n3_zDOvJkSBhfW2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Operating liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">491</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1066">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Reduction to ROU assets resulitng from reassessment
    for</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_408_ecustom--ReductionToRightOfUseAssetsForFinanceLeaseLiability_pn3n3_zjy1SlzArhlj" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Finance liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(364</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1069">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>


<p id="xdx_8AF_zKRweGwKYHP4" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DisclosureLeasesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DisclosureLeasesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_LesseeOperatingAndFinanceLeasesTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for finance and operating leases of lessee. Includes, but is not limited to description of lease and maturity analysis of lease liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_LesseeOperatingAndFinanceLeasesTextBlock</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>dtr-types:textBlockItemType</td>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374788370456">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>PERMIT AND OTHER INTANGIBLE ASSETS<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract', window );"><strong>Goodwill and Intangible Assets Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IntangibleAssetsDisclosureTextBlock', window );">PERMIT AND OTHER INTANGIBLE ASSETS</a></td>
<td class="text"><p id="xdx_804_eus-gaap--IntangibleAssetsDisclosureTextBlock_zEtbEGWHxLah" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
5</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_82B_zFMCWXfpLyB6">PERMIT
AND OTHER INTANGIBLE ASSETS</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_895_eus-gaap--ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock_zp9XYLNCMGc3" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table summarizes changes in the carrying value of permits. No permit exists at our Services and Medical Segments.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span><span id="xdx_8B0_zo1mWzc3A0Gf" style="display: none">SCHEDULE
OF INTANGIBLE ASSETS</span></span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Permit (amount in thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Treatment</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 78%"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2019</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_ecustom--Permits_iS_pn3n3_c20200101__20201231_zmgvndXZRKQ5" style="font-family: Times New Roman, Times, Serif; width: 18%; text-align: right" title="Permits, beginning balance"><span style="font-family: Times New Roman, Times, Serif">8,790</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="padding-left: 10pt; font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Permit in progress</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_ecustom--PermitInProgress_pn3n3_c20200101__20201231_zgBhfNhRORn3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Permits in progress"><span style="font-family: Times New Roman, Times, Serif">132</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_ecustom--Permits_iS_pn3n3_c20210101__20211231_zKywHxEslaUg" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Permits, beginning balance"><span style="font-family: Times New Roman, Times, Serif">8,922</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="padding-left: 10pt; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Permit renewal</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_ecustom--PermitRenewal_pn3n3_c20210101__20211231_zfTqPOJggB2f" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Permit renewal"><span style="font-family: Times New Roman, Times, Serif">121</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="padding-left: 10pt; font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Permit in progress</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98D_ecustom--PermitInProgress_pn3n3_c20210101__20211231_zazRHZdQ7j92" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Permits in progress"><span style="font-family: Times New Roman, Times, Serif">433</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_ecustom--Permits_iE_pn3n3_c20210101__20211231_zaP0dbUsdcMl" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Permits, ending balance"><span style="font-family: Times New Roman, Times, Serif">9,476</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p id="xdx_8A2_zUdyDmtAICi1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_891_eus-gaap--ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock_zDAHyonv9cQc" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table summarizes information relating to the Company&#8217;s definite-lived intangible assets:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8BD_zmsTkvkafRbe" style="display: none">SCHEDULE
OF DEFINITE LIVED INTANGIBLE ASSETS</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2021</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2020</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Weighted Average<br/>
</span>Amortization</td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Gross</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Net</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Gross</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Net</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center">Other Intangibles</td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif"> Period</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Carrying</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Accumulated</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Carrying</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Carrying</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Accumulated</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Carrying</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif"> (amount in thousands)</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">(Years)</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amount</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amortization</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amount</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amount</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amortization</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amount</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"/><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 38%"><span style="font-family: Times New Roman, Times, Serif">Patent</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_907_eus-gaap--FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_dtY_c20210101__20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_zLgIjmafNb26" title="Weighted Average Amortization Period (Years)">8.3</span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--FiniteLivedIntangibleAssetsGross_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Gross Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">787</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Accumulated Amortization"><span style="font-family: Times New Roman, Times, Serif">(351</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_z1ErxKfaMJcc" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Net Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">436</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--FiniteLivedIntangibleAssetsGross_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Gross Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">742</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Accumulated Amortization"><span style="font-family: Times New Roman, Times, Serif">(334</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_zhU8B5H76Kme" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Net Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">408</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Software</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_902_eus-gaap--FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_dtY_c20210101__20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_zfJaj5pkxgS6" title="Weighted Average Amortization Period (Years)">3</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_eus-gaap--FiniteLivedIntangibleAssetsGross_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_z6G1u4Zg02p7" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">592</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_988_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_zAfc5G1VZ3Z7" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"><span style="font-family: Times New Roman, Times, Serif">(415</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_z2ToihshMog9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">177</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_986_eus-gaap--FiniteLivedIntangibleAssetsGross_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">418</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"><span style="font-family: Times New Roman, Times, Serif">(411</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_zNXuz1mxhxo9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">7</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Customer relationships</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_904_eus-gaap--FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_dtY_c20210101__20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_zuoRVRXxT7A5" title="Weighted Average Amortization Period (Years)">10</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--FiniteLivedIntangibleAssetsGross_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Gross Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">3,370</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"><span style="font-family: Times New Roman, Times, Serif">(3,089</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_zPE6qxUhbg9k" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">460</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--FiniteLivedIntangibleAssetsGross_c20211231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Gross Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">4,749</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20211231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"><span style="font-family: Times New Roman, Times, Serif">(3,855</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20211231_zVbPloqLS6Ic" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">894</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--FiniteLivedIntangibleAssetsGross_c20201231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Gross Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">4,530</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20201231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"><span style="font-family: Times New Roman, Times, Serif">(3,655</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20201231_zKvvzdPDNnKg" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">875</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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<p id="xdx_8AE_zO7yZsDQeaq2" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
intangible assets noted above were amortized on a straight-line basis over their useful lives with the exception of customer relationships
which were amortized using an accelerated method.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 20pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_89D_eus-gaap--ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_zYkY4XahMZy5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table summarizes the expected amortization over the next five years for our definite-lived intangible assets:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;<span style="font-size: 10pt"><span id="xdx_8B8_zKPaHTqyQg78" style="display: none">SCHEDULE
OF FINITE LIVED INTANGIBLE ASSETS, FUTURE AMORTIZATION EXPENSE</span></span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 40%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_493_20211231_zBDhF3LjvIq6" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amount</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Year</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">(In
    thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 66%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">2022</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left">$</td><td style="font-family: Times New Roman, Times, Serif; width: 30%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">233</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40B_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">2023</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">192</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">2024</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">61</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_406_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">2025</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">14</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">2026</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">11</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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<p id="xdx_8A3_zYfLPXhWzuxl" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 130.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amortization
expense recorded for definite-lived intangible assets was approximately $<span id="xdx_902_eus-gaap--AmortizationOfIntangibleAssets_pp0p0_c20210101__20211231_zU93PYHeH8L5" title="Amortization of intangible asset">211,000</span> and $<span id="xdx_90C_eus-gaap--AmortizationOfIntangibleAssets_pp0p0_c20200101__20201231_zsYGE8Zrjci5" title="Amortization expense of intangible asset">239,000</span>, for the years ended December 31, 2021
and 2020, respectively.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 130.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for all or part of the information related to intangible assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -URI http://asc.fasb.org/topic&amp;trid=2144416<br></p></div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374705675576">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>CAPITAL STOCK, STOCK PLANS, WARRANTS AND STOCK BASED COMPENSATION<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract', window );"><strong>Share-based Payment Arrangement [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock', window );">CAPITAL STOCK, STOCK PLANS, WARRANTS AND STOCK BASED COMPENSATION</a></td>
<td class="text"><p id="xdx_80A_eus-gaap--DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_zGDDicfdVBD3" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
6</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_828_zo9ovGsPeL11">CAPITAL
STOCK, STOCK PLANS, WARRANTS AND STOCK BASED COMPENSATION</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Stock
Option Plans</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s 2003 Outside Directors Stock Plan (the &#8220;2003 Plan&#8221;) provides for the grant of Non-Qualified Stock Options
(&#8220;NQSOs&#8221;) to member of the Company&#8217;s Board who is not an employee of the Company or its subsidiaries (&#8220;Eligible
Director&#8221;). On July 20, 2021, the Company&#8217;s stockholders approved an amendment (the &#8220;Amendment&#8221;) to the 2003
Plan which provided the following, among other things: i) authorizes an additional <span id="xdx_90C_eus-gaap--CommonStockSharesAuthorized_iI_c20210720__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember_zOdwU4ezXlv6" title="Common stock, shares authorized">500,000</span> shares of the Company&#8217;s common stock,
par value $<span id="xdx_90A_eus-gaap--CommonStockParOrStatedValuePerShare_iI_c20210720__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember_zTPF6FKGd78k" title="Common stock, par value">0.001</span> per share (the &#8220;Common Stock&#8221;) for issuance under the 2003 Plan, (ii) increases (a) the number of shares
of Common Stock subject to the automatic option grant made to each Eligible Director upon initial election, from <span id="xdx_909_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_c20210720__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember__srt--TitleOfIndividualAxis__srt--DirectorMember__srt--RangeAxis__srt--MinimumMember__srt--StatementScenarioAxis__custom--ElectionMember_zkQwTOG3zzkg" title="Number of share based compensation award">6,000</span> to <span id="xdx_90A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_c20210720__srt--TitleOfIndividualAxis__srt--DirectorMember__srt--RangeAxis__srt--MaximumMember__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember__srt--StatementScenarioAxis__custom--ElectionMember_z0ik0I9DabAk" title="Number of share based compensation award">20,000</span> shares,
and (b) the number of shares of Common Stock subject to the automatic option grant made to each Eligible Director upon reelection, from
<span id="xdx_900_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_c20210720__srt--TitleOfIndividualAxis__srt--DirectorMember__srt--RangeAxis__srt--MinimumMember__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember__srt--StatementScenarioAxis__custom--ReelectionMember_zOSdcyS51fMa">2,400</span> to <span id="xdx_905_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_c20210720__srt--TitleOfIndividualAxis__srt--DirectorMember__srt--RangeAxis__srt--MaximumMember__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember__srt--StatementScenarioAxis__custom--ReelectionMember_z4D6S6yq4HQ1">10,000</span> shares, (iii) amends the vesting period of options granted under the 2003 Plan, from a <span id="xdx_90C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_dtMxL_c20210718__20210720__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember_zy2XJHcn2ixh" title="Vesting period::XDX::6"><span style="-sec-ix-hidden: xdx2ixbrl1171">six</span></span>-month vesting period to <span id="xdx_904_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_dp_uPure_c20210718__20210720__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember_zgrPyrjB4j06" title="Vesting percentage">25%</span>
per year, beginning on the first anniversary date of the grant, and (iv) provides for acceleration of vesting under certain conditions.
The exercise price of options to be granted under the 2003 Plan continues to equal to the closing trade price on the date prior to the
grant date. <span id="xdx_90A_ecustom--PercentageOfDirectorsFeesDescription_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandThreeOutsideDirectorsStockPlanMember" title="Percentage of directors fees, description">The 2003 Plan continues to provide for the issuance to each Eligible Director a number of shares of the Company&#8217;s Common
Stock in lieu of 65% or 100% (based on option elected by each director) of the fee payable to the Eligible Director for services rendered
as a member of the Board. The number of shares issued is determined at 75% of the market value as defined in the 2003 Plan (the Company
recognizes 100% of the market value of the shares issued). </span>The number of shares of the Company&#8217;s Common Stock authorized under
the 2003 Plan is <span id="xdx_90C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_c20211231__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember__us-gaap--PlanNameAxis__custom--TwoThousandThreeOutsideDirectorsStockPlanMember_pdd" title="Number of shares available for issuance">1,600,000</span>. At December 31, 2021, the 2003 Plan had available for issuance <span id="xdx_905_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_c20211231__us-gaap--PlanNameAxis__custom--TwoThousandThreeOutsideDirectorsStockPlanMember_zFSpSSevw2Mi" title="Shares remaining available for issuance">599,854</span> shares.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s 2017 Stock Option Plan (&#8220;2017 Plan&#8221;) authorizes the grant of options to officers and employees of the Company,
including any employee who is also a member of the Board, as well as to consultants of the Company. The 2017 Plan, as amended, authorizes
an aggregate grant of <span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_c20211231__us-gaap--PlanNameAxis__custom--TwoThousandAndSeventeenStockOptionPlanMember__srt--TitleOfIndividualAxis__custom--OfficersAndEmployeesMember_pdd" title="Number of shares available for issuance">1,140,000</span> NQSOs and Incentive Stock Options (&#8220;ISOs&#8221;). Consultants of the Company can only be granted
NQSOs. <span id="xdx_90D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandAndSeventeenStockOptionPlanMember_zy8kwjHRfX8k" title="Stock option granted, description">The term of each stock option granted under the 2017 Plan shall be fixed by the Compensation Committee, but no stock options will
be exercisable more than ten years after the grant date, or in the case of an ISO granted to a 10% stockholder, five years after the
grant date. The exercise price of any ISO granted under the 2017 Plan to an individual who is not a 10% stockholder at the time of the
grant shall not be less than the fair market value of the shares at the time of the grant, and the exercise price of any ISO granted
to a 10% stockholder shall not be less than 110% of the fair market value at the time of grant.</span> The exercise price of any NQSOs granted
under the plan shall not be less than the fair market value of the shares at the time of grant. At December 31, 2021, the 2017 Plan had
available for issuance <span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_c20211231__us-gaap--PlanNameAxis__custom--TwoThousandAndSeventeenStockOptionPlanMember_pdd" title="Shares remaining available for issuance">344,000</span> shares.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s 2010 Stock Option Plan (&#8220;2010 Plan&#8221;) expired on September 29, 2020; however, an option (ISO) issued under
the 2010 Plan prior to the expiration of the 2010 Plan for the purchase of up to <span id="xdx_90F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20210928__20210929__us-gaap--PlanNameAxis__custom--TwoThousandTenStockOptionPlanMember_pdd" title="Number of stock option shares granted">50,000</span> shares of our Common Stock at $<span id="xdx_90F_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210928__20210929__us-gaap--PlanNameAxis__custom--TwoThousandTenStockOptionPlanMember_pdd" title="Stock options, exercise price">3.97</span> per share
remains in effect until the earlier of the exercise date by the optionee or the maturity date of <span id="xdx_90F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate_dd_c20210928__20210929__us-gaap--PlanNameAxis__custom--TwoThousandTenStockOptionPlanMember_zgJ9wAXaLBF8" title="Stock options, expiration date">May 15, 2022</span>.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Stock
Options to Employees and Outside Director</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
October 14, 2021, the Company granted ISOs to certain employees for the purchase, under the Company&#8217;s 2017 Plan, of up to an aggregate
<span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20211013__20211014__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember__srt--RangeAxis__srt--MaximumMember_z2vtiJTgWH55">305,000</span> shares of the Company&#8217;s Common Stock. The total ISOs granted included an ISO for each of the Company&#8217;s executive
officers for the purchase set forth in his respective ISO Agreement, as follows: <span id="xdx_905_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20211012__20211014__srt--TitleOfIndividualAxis__srt--ChiefExecutiveOfficerMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember_z1wjEbukCoQj" title="Shares Options Granted">50,000</span> shares for the CEO; <span id="xdx_900_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20211012__20211014__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember_zxJG53f7fO0e">25,000</span> shares for the CFO;
<span id="xdx_909_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20211012__20211014__srt--TitleOfIndividualAxis__custom--EVPOfStrategicInitiativesMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember_zvDcQknlV8qh">20,000</span> shares for the EVP of Strategic Initiatives; <span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20211012__20211014__srt--TitleOfIndividualAxis__custom--EVPofWasteTreatmentOperationsMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember_zttpVb7Yg7Bb">25,000</span> shares for the EVP of Waste Treatment Operations; and <span id="xdx_90C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20211012__20211014__srt--TitleOfIndividualAxis__custom--EVPofNuclearandTechnicalServicesMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember_zpwRMRO8sVc9">25,000</span> shares for the
EVP of Nuclear and Technical Services. Each of the ISOs granted has a contractual term of <span id="xdx_901_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dc_c20211012__20211014__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember_zY3se7tbiWc1" title="Stock options granted contractual term">six years</span> with <span id="xdx_90F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights_c20211012__20211014__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember_zjGqn6QgYWO1" title="Vesting, description">one-fifth yearly vesting over
a five-year period</span>. The exercise price of the ISO is $<span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice_c20211012__20211014__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember_zBqoQodDkWDl" title="Exercise price">7.005</span> per share, which was equal to the fair market value of the Company&#8217;s
Common Stock on the date of grant.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
July 20, 2021, the Company issued a NQSO to each of the Company&#8217;s seven reelected outside directors for the purchase, under the
Company&#8217;s 2003 Plan, of up to <span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20210718__20210720__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_z0JC5ik5ubre" title="Number of stock option shares granted">10,000</span> shares of the Company&#8217;s Common Stock. Each NQSO granted has for a contractual term of
<span id="xdx_901_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dc_c20210718__20210720__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zEy6vpLULlb2" title="Stock options granted contractual term">ten years</span> with <span id="xdx_900_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights_c20210718__20210720__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zN0ocqHqE57c">one-fourth vesting annually over a four-year period</span>. The exercise price of the NQSO is $<span id="xdx_90A_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210718__20210720__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zGGIibc6fXi4" title="Stock options, exercise price">5.93</span> per share, which was equal
to the fair market value of the Company&#8217;s Common Stock the day preceding the grant date, pursuant to the 2003 Plan.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
May 4, 2021, the Company issued a NQSO to a new director elected by the Company&#8217;s Board, for the purchase, under the Company&#8217;s
2003 Plan, of up to <span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20210502__20210504__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_z0YnbueMinOd" title="Number of stock option shares granted">6,000</span> shares of the Company&#8217;s Common Stock. The NQSO granted has a contractual term of <span id="xdx_904_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dc_c20210502__20210504__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zUHXDSlisQyj" title="Stock options granted contractual term">ten years</span> with a vesting
period of <span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_dc_c20210502__20210504__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember_z0qSjcgV7cIb" title="Stock options granted vesting period">six months</span>. The exercise price of the NQSO is $<span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210502__20210504__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zqCxUB2sPyid" title="Stock options, exercise price">7.50</span> per share, which was equal to the fair market value of the Company&#8217;s
Common Stock the day preceding the grant date, pursuant to the 2003 Plan.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
August 10, 2020, the Company issued a NQSO from the Company&#8217;s 2003 Plan to a new director elected by the Company&#8217;s Board
to fill a vacancy on the Board, for the purchase of up to <span id="xdx_909_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20210808__20210810__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zzM8Is0CaSbk" title="Number of stock option shares granted">6,000</span> shares of the Company&#8217;s Common Stock. The NQSO granted has for
a contractual term of <span id="xdx_903_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dc_c20210808__20210810__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_z8A1u9DtX2Q4" title="Stock options granted contractual term">ten years</span> with a vesting period of <span id="xdx_902_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_dc_c20210808__20210810__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zCxSmE8fJCy8" title="Stock options granted vesting period">six months</span>. The exercise price of the NQSO is $<span id="xdx_909_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210808__20210810__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zhNyRcZ0h6J2" title="Stock options, exercise price">7.29</span> per share, which was equal
to the Company&#8217;s closing stock price per share the day preceding the grant date, pursuant to the 2003 Plan.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
July 22, 2020, the Company issued a NQSO to each of the Company&#8217;s five reelected outside directors for the purchase, under the
Company&#8217;s 2003 Plan, of up to <span id="xdx_903_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20210715__20210722__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember_zonDcBrTUw1d" title="Number of stock option shares granted">2,400</span> shares of the Company&#8217;s Common Stock. Each NQSO granted has a contractual term of <span id="xdx_903_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dc_c20210715__20210722__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember_zwMpDs6xkkCa" title="Stock options granted contractual term">ten
years</span> with a vesting period of <span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_dc_c20210715__20210722__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember_zosKGfOaiCNf" title="Stock options granted vesting period">six months</span>. The exercise price of the NQSO is $<span id="xdx_90D_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210715__20210722__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember_zLYLdRqgif93" title="Stock options, exercise price">6.70</span> per share, which was equal to our closing stock price
the day preceding the grant date, pursuant to the 2003 Plan.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
February 4, 2020, the Company issued a NQSO from the Company&#8217;s 2003 Plan to a new director elected by the Company&#8217;s Board
to fill a vacancy on the Board, for the purchase of up to <span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20210202__20210204__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_z0II95UGN58l" title="Number of stock option shares granted">6,000</span> shares of the Company&#8217;s Common Stock. The NQSO granted has a contractual
term of <span id="xdx_907_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dc_c20210202__20210204__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zyrKP3VFmty4" title="Stock options granted contractual term">ten years</span> with a vesting period of <span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_dc_c20210202__20210204__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zM7r0wyUKNE7" title="Stock options granted vesting period">six months</span>. The exercise price of the options is $<span id="xdx_90D_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210202__20210204__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zyIwkWoQlQad" title="Stock options, exercise price">7.00</span> per share, which was equal to the Company&#8217;s
closing stock price per share the day preceding the grant date, pursuant to the 2003 Plan.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">During
2021, the Company issued <span id="xdx_90A_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_pid_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember_zTpRHHzW6yO7" title="Issuance of common stock from cashless exercise">290</span> shares of its Common Stock from a cashless exercise of an option for the purchase of <span id="xdx_907_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_pp0p0_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember_zoQNaySwDZD5" title="Issuance of common stock from cashless exercise">500</span> shares of the Company&#8217;s
Common Stock at $<span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember_z9mXMQ8TYfD1" title="Stock options, exercise price">3.15</span> per share. During 2020, the Company issued <span id="xdx_90E_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_c20200101__20201231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember_z9nVYA11jtkf" title="Issuance of common stock from cashless exercise">2,000</span> shares of its Common Stock resulting from the exercise of options
from the Company&#8217;s 2017 Plan for total proceeds of $<span id="xdx_900_eus-gaap--ProceedsFromStockOptionsExercised_pp0p0_c20200101__20201231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember_z0Gzmtbw5EH7" title="Proceeds from exercise of stock options">6,300</span>. Additionally, the Company issued <span id="xdx_908_eus-gaap--StockIssuedDuringPeriodSharesNewIssues_pid_c20200101__20201231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember_zAeh0YYNlKs4" title="Issuance of common stock from cashless exercise">1,884</span> shares of its Common Stock from
cashless exercises of <span id="xdx_90D_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_c20200101__20201231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember__us-gaap--AwardTypeAxis__custom--FirstSeparateOptionsMember_zf3vzl8qEiZ9" title="Issuance of common stock from cashless exercise">8,000</span> and <span id="xdx_902_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_c20200101__20201231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember__us-gaap--AwardTypeAxis__custom--SecondSeparateOptionsMember_zAKS3GLGlK41" title="Issuance of common stock from cashless exercise">2,500</span> options at $<span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_pid_c20200101__20201231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember__us-gaap--AwardTypeAxis__custom--FirstSeparateOptionsMember_zFdynnMqjvn1" title="Stock options, exercise price">3.60</span> per share and $<span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember__us-gaap--AwardTypeAxis__custom--SecondSeparateOptionsMember_zqC77MIvUKqd" title="Stock options, exercise price">3.15</span> per share, respectively.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company estimates fair value of stock options using the Black-Scholes valuation model. Assumptions used to estimate the fair value of
stock options granted include the exercise price of the award, the expected term, the expected volatility of the Company&#8217;s stock
over the option&#8217;s expected term, the risk-free interest rate over the option&#8217;s expected term, and the expected annual dividend
yield. The fair value of the options granted during 2020 and 2019 and the related assumptions used in the Black-Scholes option model
used to value the options granted were as follows. No options were granted to employees in 2020:</span></p>

<p id="xdx_891_eus-gaap--ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_zEKjcYp6fDf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B0_zWTfLDtnKWU6" style="display: none">SCHEDULE OF SHARE-BASED PAYMENT AWARD, STOCK OPTIONS, VALUATION ASSUMPTIONS</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 60%; margin-left: 0.5in">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Employee Stock</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Option
    Granted</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 71%"><span style="font-family: Times New Roman, Times, Serif">Weighted-average fair value per share</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 25%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice_iI_pid_c20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_ztfP9n5DB5Xc" title="Weighted-average fair value per option">3.51</span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Risk -free interest rate <sup>(1)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_90A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_fKDEp_zKXGcbeBJo33" title="Risk -free interest rate">1.05</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected volatility of stock
    <sup>(2)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_902_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_fKDIp_zUGNJZ4qkdE9" title="Expected volatility of stock">58.61</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Dividend yield</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_pid_dpn_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_zRKqbMT29Ach" title="Dividend yield">None</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected option life <sup>(3)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_902_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20210101__20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_fKDMp_zfY2FwoV5Syl" title="Expected option life">5.0</span>
                                            years</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 40.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Outside
    Director Stock Options Granted</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 59%"><span style="font-family: Times New Roman, Times, Serif">Weighted-average fair value per share</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 17%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice_iI_pid_c20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_z7eZGwRIvgne" title="Weighted-average fair value per option">3.9</span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 17%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_90D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice_iI_pid_c20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_zBBTtvZffvdi" title="Weighted-average fair value per option">4.66</span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span id="xdx_F46_zERZLtKFwozc" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Risk -free interest rate <sup>(1)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MinimumMember_fKDEp_zjwO8C9UhL7g" title="Risk -free interest rate">1.23%</span>-<span id="xdx_90E_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MaximumMember_fKDEp_zjOEDBNAlrO3" title="Risk -free interest rate">1.61</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left">%</td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MinimumMember_fKDEp_zjDaXnvtXVy2" title="Risk -free interest rate">0.59%</span>-<span id="xdx_905_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MaximumMember_fKDEp_zrlF6mKbsZD3" title="Risk -free interest rate">1.61</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left">%</td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span id="xdx_F45_zAA7ZGTl3qTf" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected volatility of stock
    <sup>(2)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MinimumMember_fKDIp_zPTcxoOf52jc" title="Expected volatility of stock">55.84%</span>-<span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MaximumMember_fKDIp_zthVOsjWTt18" title="Expected volatility of stock">55.91</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left">%</td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MinimumMember_fKDIp_zSH5PNM2c34f" title="Expected volatility of stock">55.83%</span>-<span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MaximumMember_fKDIp_zUoFpCBpEZx6" title="Expected volatility of stock">56.68</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Dividend yield</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_pid_dpn_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_fKDEp_zsuH9keRrwpb" title="Dividend yield">None</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_pid_dpn_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_fKDEp_z5QeRkaNMyAj" title="Dividend yield">None</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span id="xdx_F4B_ze9RORizdqpi" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected option life <sup>(3)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90E_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_fKDMp_z2cJes6XCti7" title="Expected option life">10.0</span>
                                            years</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_907_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_fKDMp_zs9rFipQzB5a" title="Expected option life">10.0</span>
                                            years</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 4.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt">
<tr style="vertical-align: top">
  <td style="text-align: justify; padding-left: 10pt; text-indent: -10pt; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F00_zSeoQ8WEQRTb">(1)</sup></span></td>
  <td style="text-align: justify"><span id="xdx_F12_zp4nCr8LvZRb" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The risk-free interest rate is based on the U.S. Treasury yield
in effect at the grant date over the expected term of the option.</span></td></tr>
</table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -49.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt">
<tr style="vertical-align: top">
  <td style="text-align: left; padding-left: 10pt; text-indent: -10pt; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0B_zJjrsTZPnir5">(2)</sup></span></td>
  <td style="text-align: left"><span id="xdx_F19_zGq0yE3hNQz3" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The expected volatility is based on historical volatility from
our traded Common Stock over the expected term of the option.</span></td></tr>
</table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -49.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt">
<tr style="vertical-align: top">
  <td style="text-align: left; padding-left: 10pt; text-indent: -10pt; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F06_zSFNCsKyYwKk">(3)</sup></span></td>
  <td style="text-align: left"><span id="xdx_F10_zN4Ftj7FyPe5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The expected option life is based on historical exercises and
post-vesting data.</span></td></tr>
</table>


<p id="xdx_8AA_z5TnAF4usU8c" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_897_eus-gaap--ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_zCJ8oFjBsVg9" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table summarizes stock-based compensation recognized for fiscal years 2021 and 2020.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B1_zEl2lTgT7RF8" style="display: none">SCHEDULE OF SHARE-BASED COMPENSATION, ALLOCATION OF RECOGNIZED PERIOD COSTS</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 60%; margin-right: auto">
  <tr style="display: none; font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_494_20210101__20211231_zW02Mh2RNRyl" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_495_20200101__20201231_z0mjQJyo4F2b" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Year
    Ended</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_eus-gaap--ShareBasedCompensation_pp0p0_hus-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_z47mQM4mOB35" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Employee Stock Options</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">178,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">132,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--ShareBasedCompensation_pp0p0_hus-gaap--AwardTypeAxis__custom--DirectorStockOptionsMember_z13cY7sGYwKb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Director Stock Options</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">72,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">104,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_eus-gaap--ShareBasedCompensation_pp0p0_zv0aHTbbIFrj" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">250,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">236,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
</table>

<p id="xdx_8A8_zGJOzjy6JqZ1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 94.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">At
December 31, 2021, the Company has approximately $<span id="xdx_905_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_iI_pp0p0_c20211231__srt--TitleOfIndividualAxis__custom--EmployeeAndDirectorsMember_z0oK5s72SAal" title="Unrecognized compensation cost related to unvested options consultant">1,389,000</span> of total unrecognized compensation costs related to unvested options for
employee and directors. The weighted average period over which the unrecognized compensation costs are expected to be recognized is approximately
<span id="xdx_90E_ecustom--WeightedAverageTermForUnrecognizedAndUnvestedOptionToBeRecognized_dtY_c20210101__20211231__srt--TitleOfIndividualAxis__custom--EmployeeAndDirectorsMember_z48Z7nQK8qcf" title="Weighted average term for unrecognized and unvested option to be recognized">4.3</span> years.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Stock
Options to Consultant</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company granted a NQSO to Robert Ferguson on July 27, 2017 from the Company&#8217;s 2017 Plan for the purchase of up to <span id="xdx_900_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20170726__20170727__us-gaap--PlanNameAxis__custom--TwoThousandAndSeventeenStockOptionPlanMember__srt--TitleOfIndividualAxis__custom--ConsultantMember_zC425oJcjo85" title="Number of stock option shares granted">100,000</span> shares
of the Company&#8217;s Common Stock (&#8220;Ferguson Stock Option&#8221;) in connection with his work as a consultant to the Company&#8217;s
Test Bed Initiative (&#8220;TBI&#8221;) at our PFNWR facility at an exercise price of $<span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20170726__20170727__us-gaap--PlanNameAxis__custom--TwoThousandAndSeventeenStockOptionPlanMember__srt--TitleOfIndividualAxis__custom--ConsultantMember_zid2xt2COnFd" title="Stock options, exercise price">3.65</span> per share, which was the fair market value
of the Company&#8217;s Common Stock on the date of grant. The term of the Ferguson Stock Option is seven years from the grant date. The
vesting of the Ferguson Stock Option is subject to the achievement of three separate milestones by certain dates. The first milestone
was met and the shares under the first milestone were issued to Robert Ferguson in May 2018. The Company had previously entered into
amendments whereby the vesting dates for the second and third milestones for the purchase of up to <span id="xdx_90F_ecustom--OptionsToPurchaseSharesOfCommonStock_c20170726__20170727__us-gaap--AwardTypeAxis__custom--FergusonStockOptionMember__srt--StatementScenarioAxis__custom--SecondMilestoneMember_z0U6RyOmZ1o8" title="Options to purchase shares">30,000</span> and <span id="xdx_90F_ecustom--OptionsToPurchaseSharesOfCommonStock_c20170726__20170727__us-gaap--AwardTypeAxis__custom--FergusonStockOptionMember__srt--StatementScenarioAxis__custom--ThirdMilestoneMember_zT4pfkPtmYQd" title="Options to purchase shares">60,000</span> shares of the Company&#8217;s
Common Stock were extended to December 31, 2021 and December 31, 2022, respectively. On January 20, 2022, the Company&#8217;s Compensation
Committee and the Board further amended the vesting dates of the second and third milestones to December 31, 2022 and December 31, 2023,
respectively. This amendment was approved by the Compensation Committee and the Board to take effect December 31, 2021. The Company has
not recognized compensation costs (fair value of approximately $<span id="xdx_902_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_c20211231__srt--TitleOfIndividualAxis__custom--RobertFergusonMember_pp0p0" title="Unrecognized compensation cost related to unvested options consultant">289,000</span> at December 31, 2021) for the remaining <span id="xdx_909_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_c20211231__srt--TitleOfIndividualAxis__custom--RobertFergusonMember_pdd" title="Remaining stock option">90,000</span> Ferguson Stock
Option under the remaining two milestones since achievement of the performance obligation under each of the two remaining milestones
is uncertain at December 31, 2021. All other terms of the Ferguson Stock Option remain unchanged.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Summary
of Stock Option Plans</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_899_eus-gaap--ScheduleOfStockOptionsRollForwardTableTextBlock_zL1m3b8mu78k" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
summary of the Company&#8217;s total plans as of December 31, 2021 and 2020, and changes during the period then ended are presented as
follows:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8BA_zHy05Sn8qpYa" style="display: none">SCHEDULE OF STOCK OPTIONS ROLL FORWARD</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Shares</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Weighted
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><span id="xdx_F5D_zbp9yPJr1o33" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Aggregate
                                            Intrinsic</span></p>
                                                                               <p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Value
                                            <sup>(4)</sup></span></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 40%"><span style="font-family: Times New Roman, Times, Serif">Options outstanding January 1, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iS_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zgGklyJ5wOV4" style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right" title="Shares Options Outstanding Beginning"><span style="font-family: Times New Roman, Times, Serif">658,400</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iS_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zmqpxNeI0r9c" style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right" title="Weighted Average Exercise Price Options Outstanding Beginning"><span style="font-family: Times New Roman, Times, Serif">3.87</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Granted</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zQTwKlb4qGI" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Granted"><span style="font-family: Times New Roman, Times, Serif">381,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zNNPGvvLiEU3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Granted"><span style="font-family: Times New Roman, Times, Serif">6.82</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Exercised</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_iN_pid_di_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zy0fkmtS4QTh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Exercised"><span style="font-family: Times New Roman, Times, Serif">(500</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zVyJBsyIp6z8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Exercised"><span style="font-family: Times New Roman, Times, Serif">3.15</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_pp0p0_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQp_zL7xiyv7FSAh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Exercised"><span style="font-family: Times New Roman, Times, Serif">2,175</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Forfeited/expired</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_iN_pid_di_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zh0L50Lc305f" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Forfeited/expired"><span style="font-family: Times New Roman, Times, Serif">(19,500</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_ztnTiALJZOi2" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Forfeited/expired"><span style="font-family: Times New Roman, Times, Serif">6.75</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Options outstanding end
    of period <sup>(1)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iE_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zEzDJgPjzci5" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Outstanding Ending"><span id="xdx_F2E_z3EwwXDOmmhl" style="font-family: Times New Roman, Times, Serif">1,019,400</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iE_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zUz9BAFaEY8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Outstanding Ending"><span style="font-family: Times New Roman, Times, Serif">4.91</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_901_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_dtY_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zTMQryDUwG7g" title="Weighted Average Remaining Contractual Term (years) Outstanding">4.0</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_iI_pp0p0_c20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQpKDEp_zhOpRoEJyob6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Outstanding"><span style="font-family: Times New Roman, Times, Serif">1,669,687</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Options exercisable at
    December 31, 2021<sup>(1)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_iI_pid_c20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zQjXjX3Q9iA2" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Exercisable"><span id="xdx_F26_zoAebPHWvGW6" style="font-family: Times New Roman, Times, Serif">438,400</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_iI_pid_c20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zLmtSqUgADNl" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Exercisable"><span style="font-family: Times New Roman, Times, Serif">3.95</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_909_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_dtY_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zoAfSipA6aEi" title="Weighted Average Remaining Contractual Term (years) Exercisable">2.7</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_iI_pp0p0_c20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQpKDEp_znE7zeyLP9Yl" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Exercisable"><span style="font-family: Times New Roman, Times, Serif">1,064,432</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Shares</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Weighted
    Average Exercise Price</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Weighted
    Average Remaining Contractual Term (years)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><span id="xdx_F54_zn5GUqkzICei" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Aggregate
                                            Intrinsic</span></p>
                                                                               <p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Value
                                            <sup>(4)</sup></span></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 40%; padding-left: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Options outstanding January
    1, 2020</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iS_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_z766s3wt05Wc" style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right" title="Shares Options Outstanding Beginning"><span style="font-family: Times New Roman, Times, Serif">681,300</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iS_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zIPxXVHqXfJ7" style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right" title="Weighted Average Exercise Price Options Outstanding Beginning"><span style="font-family: Times New Roman, Times, Serif">3.84</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Granted</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zdU3w2LbNF35" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Granted"><span style="font-family: Times New Roman, Times, Serif">24,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zkh7ZxLz4AFh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Granted"><span style="font-family: Times New Roman, Times, Serif">6.92</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Exercised</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_iN_pid_di_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zCpbeaObZOg4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Exercised"><span style="font-family: Times New Roman, Times, Serif">(12,500</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_z6O1YEmlQHo2" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Exercised"><span style="font-family: Times New Roman, Times, Serif">3.47</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_pp0d_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQp_zLCU7QOglEsi" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Exercised"><span style="font-family: Times New Roman, Times, Serif">16,060</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; padding-left: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Forfeited/expired</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_iN_pid_di_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zADwWMYd8yHk" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Forfeited/expired"><span style="font-family: Times New Roman, Times, Serif">(34,400</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_z6IQwBfutgd9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Forfeited/expired"><span style="font-family: Times New Roman, Times, Serif">5.52</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; padding-left: 1.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Options
    outstanding end of period <sup>(2)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iE_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDIp_zVH4SvzmNrI6" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Outstanding Ending"><span id="xdx_F2C_zm85sdRjKiT2" style="font-family: Times New Roman, Times, Serif">658,400</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iE_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDIp_z1cNWm1iuKD9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Outstanding Ending"><span style="font-family: Times New Roman, Times, Serif">3.87</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_90B_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_dtY_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDIp_zjGLWhU1JkD4" title="Weighted Average Remaining Contractual Term (years) Outstanding">3.5</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_iI_pp0p0_c20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQpKDIp_zeOBDNcWgHJe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Outstanding"><span style="font-family: Times New Roman, Times, Serif">1,426,143</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; padding-left: 1.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Options
    exercisable at December 31, 2020<sup>(3)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_iI_pid_c20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDMp_zCYFvFJtrid6" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Exercisable"><span id="xdx_F24_zVruLGAWslCh" style="font-family: Times New Roman, Times, Serif">356,400</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_iI_pid_c20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDMp_zHDirnWD3Vqi" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Exercisable"><span style="font-family: Times New Roman, Times, Serif">3.99</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_906_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_dtY_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDMp_zcCSotRAiIfl" title="Weighted Average Remaining Contractual Term (years) Exercisable">3.3</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_iI_pp0p0_c20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQpKDIp_zCyTN04BGRve" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Exercisable"><span style="font-family: Times New Roman, Times, Serif">732,163</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>


<p style="margin: 0; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<table border="0" cellpadding="0" cellspacing="0" style="width: 100%; font-family: Times New Roman, Times, Serif">
<tr style="vertical-align: top">
  <td style="width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F08_zz9BbCB6lkJk">(1)</sup></span></td>
  <td><span id="xdx_F19_zDRJ3QYiCCIk" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Options with exercise prices ranging from $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90F_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share lower limit">2.79</span> to $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share upper limit">7.50</span></span></td></tr>
</table>


<table border="0" cellpadding="0" cellspacing="0" style="width: 100%; font-family: Times New Roman, Times, Serif">
<tr style="vertical-align: top">
  <td style="width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0E_zHczYqkZFGSj">(2)</sup></span></td>
  <td><span id="xdx_F19_zPGJNml5oxE5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Options with exercise prices ranging from $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90A_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionExercisableMember_pdd" title="Stock option exercise price per share lower limit">2.79</span> to $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_907_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionExercisableMember_pdd" title="Stock option exercise price per share upper limit">7.29</span></span></td></tr>
</table>


<table border="0" cellpadding="0" cellspacing="0" style="width: 100%; font-family: Times New Roman, Times, Serif">
<tr style="vertical-align: top">
  <td style="width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F04_zNVlKmbaS0Sf">(3)</sup></span></td>
  <td><span id="xdx_F13_zBIGVxZsK5A" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Options with exercise prices ranging from $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90D_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_c20200101__20201231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share lower limit">2.79</span> to $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_c20200101__20201231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share upper limit">7.05</span></span></td></tr>
</table>


<table border="0" cellpadding="0" cellspacing="0" style="width: 100%; font-family: Times New Roman, Times, Serif">
<tr style="vertical-align: top">
  <td style="text-align: justify; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0B_z5T1y4vKpTd">(4)</sup></span></td>
  <td style="text-align: justify"><span id="xdx_F16_zVTbHBEiWVY6" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The intrinsic value of a stock option is the amount by which
the market value of the underlying stock exceeds the exercise price </span></td></tr>
</table>



<p id="xdx_8AA_zHiTMGe6nN0j" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_899_ecustom--ScheduleOfNonVestedOptionsTableTextBlock_zopEghZeDt7a" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
summary of the Company&#8217;s nonvested options as of December 31, 2021 and changes during the period then ended are presented as follows:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8BA_zNkGpRh9Fuwl" style="display: none">SCHEDULE OF NON VESTED OPTIONS</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 80%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Weighted Average</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Grant-Date</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Shares</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Fair
    Value</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%"><span style="font-family: Times New Roman, Times, Serif">Non-vested options January 1, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_iS_pid_c20210101__20211231_zQYnGr52c0bl" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Shares non vested options, beginning"><span style="font-family: Times New Roman, Times, Serif">302,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_iS_pid_c20210101__20211231_z4oxn7GXA0Lk" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Weighted average grant date fair value non vested options, beginning"><span style="font-family: Times New Roman, Times, Serif">1.94</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Granted</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20210101__20211231_zpMg959h6h82" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares non vested options, granted"><span style="font-family: Times New Roman, Times, Serif">381,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_pid_c20210101__20211231_zlplsmfZT4Gj" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted average grant date fair value non vested options, granted"><span style="font-family: Times New Roman, Times, Serif">3.59</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Vested</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_iN_pid_di_c20210101__20211231_z16JqleBdI8l" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares non vested options, vested"><span style="font-family: Times New Roman, Times, Serif">(100,500</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_pid_c20210101__20211231_zm6k7cbPNFB6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted average grant date fair value non vested options, Vested"><span style="font-family: Times New Roman, Times, Serif">2.44</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Forfeited</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_986_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares_iN_pid_di_c20210101__20211231_zya1JJ7uJMIh" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares non vested options, forfeited"><span style="font-family: Times New Roman, Times, Serif">(1,500</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue_pid_c20210101__20211231_ztDjmWn7duK1" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted average grant date fair value non vested options, forfeited"><span style="font-family: Times New Roman, Times, Serif">1.42</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Non-vested options at December 31, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_iE_pid_c20210101__20211231_z7a5mFBkfCbd" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares non vested options, ending"><span style="font-family: Times New Roman, Times, Serif">581,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_iE_pid_c20210101__20211231_zvMvpP3qSkw8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted average grant date fair value non vested options, ending"><span style="font-family: Times New Roman, Times, Serif">3.13</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p id="xdx_8A8_zPs4Np8arjhc" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Warrant</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
connection with a $<span id="xdx_90F_eus-gaap--LoansPayable_iI_pp0p0_c20190402__srt--TitleOfIndividualAxis__custom--RobertFergusonMember_zKiexIvDuHB4" title="Loans payable">2,500,000</span> loan that the Company executed April 1, 2019 with Mr. Robert Ferguson, the Company issued a Warrant to Mr.
Ferguson for the purchase of up to <span id="xdx_903_eus-gaap--ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_iI_c20190402__srt--TitleOfIndividualAxis__custom--RobertFergusonMember_zw7I8VghDYH7" title="Warrant to purchase">60,000</span> shares of our Common Stock at an exercise price of $<span id="xdx_90E_eus-gaap--ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_iI_c20190402__srt--TitleOfIndividualAxis__custom--RobertFergusonMember_zFG3YuuBUIpb" title="Warrants exercise price">3.51</span> per share. <span id="xdx_908_ecustom--WarrantExercisableDescription_c20190330__20190402__srt--TitleOfIndividualAxis__custom--RobertFergusonMember_zZK9RXdpMymg" title="Warrant exercisable, description">The Warrant is exercisable
six months from April 1, 2019 and expires on April 1, 2024 and remains outstanding at December 31, 2021. The loan was paid-in-full by
the Company in December 2020.</span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Common
Stock Issued for Services</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company issued a total of <span id="xdx_908_eus-gaap--StockIssuedDuringPeriodSharesIssuedForServices_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandThreeOutsideDirectorsStockOptionPlanMember__us-gaap--StatementClassOfStockAxis__us-gaap--CommonStockMember_zEvDxXcpCjw" title="Stock issued during period for services, shares">60,723</span> and <span id="xdx_900_eus-gaap--StockIssuedDuringPeriodSharesIssuedForServices_c20200101__20201231__us-gaap--PlanNameAxis__custom--TwoThousandThreeOutsideDirectorsStockOptionPlanMember__us-gaap--StatementClassOfStockAxis__us-gaap--CommonStockMember_z5v1mfqzVxlf" title="Stock issued during period for services, shares">34,135</span> shares of our Common Stock in 2021 and 2020, respectively, under our 2003 Plan to our outside
directors as compensation for serving on our Board. <span id="xdx_908_ecustom--PercentageOfDirectorsFeesDescription_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandThreeOutsideDirectorsStockOptionPlanMember" title="Percentage of directors fees, description">As a member of the Board, each director elects to receive either 65% or 100% of the
director&#8217;s fee in shares of our Common Stock. The number of shares received is calculated based on 75% of the fair market value
of our Common Stock determined on the business day immediately preceding the date that the quarterly fee is due.</span> The balance of each
director&#8217;s fee, if any, is payable in cash. The Company recorded approximately $<span id="xdx_902_eus-gaap--AllocatedShareBasedCompensationExpense_pp0p0_c20210101__20211231__us-gaap--NatureOfExpenseAxis__custom--PortionOfDirectorFeeEarnedInCommonStockMember__us-gaap--PlanNameAxis__custom--The2003OutsideDirectorsStockPlanMember_zbmhE2p9igw5" title="Allocated share-based compensation expense">467,000</span> and $<span id="xdx_90A_eus-gaap--AllocatedShareBasedCompensationExpense_c20200101__20201231__us-gaap--NatureOfExpenseAxis__custom--PortionOfDirectorFeeEarnedInCommonStockMember__us-gaap--PlanNameAxis__custom--The2003OutsideDirectorsStockPlanMember_pp0p0" title="Allocated share-based compensation expense">250,000</span> in compensation expense (included
in SG&amp;A expenses) for the twelve months ended December 31, 2021 and 2020, respectively, for the portion of director fees earned in
the Company&#8217;s Common Stock.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Sale
of Common Stock</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
September 30, 2021, the Company entered into subscription agreements with certain institutional and retail investors in a registered
direct offering, for the sale and issuance of <span id="xdx_906_eus-gaap--SaleOfStockNumberOfSharesIssuedInTransaction_c20210928__20210930__us-gaap--TypeOfArrangementAxis__custom--SubscriptionAgreementsMember_zy6f974j2Bbc" title="Number of sale shares issuance">1,000,000</span> shares of the Company&#8217;s Common Stock (See &#8220;Note 7 &#8211; Common
Stock Subscription Agreement&#8221; for a discussion of the issuance of the shares from this direct offering).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; text-align: left; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Shares
Reserved</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">At
December 31, 2021, the Company has reserved approximately <span id="xdx_907_eus-gaap--CommonStockCapitalSharesReservedForFutureIssuance_iI_c20211231__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember_z85bjbIGJqvb" title="Number of common shares reserved for future issuance">1,019,400</span> shares of our Common Stock for future issuance under all of the option
arrangements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -URI http://asc.fasb.org/topic&amp;trid=2228938<br></p></div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374709027512">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>COMMON STOCK SUBSCRIPTION AGREEMENT<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EquityAbstract', window );"><strong>Equity [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityNoteDisclosureTextBlock', window );">COMMON STOCK SUBSCRIPTION AGREEMENT</a></td>
<td class="text"><p id="xdx_809_eus-gaap--StockholdersEquityNoteDisclosureTextBlock_zfZlutUQc6Md" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
7</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_829_zWHWzpDF5Xoc">COMMON
STOCK SUBSCRIPTION AGREEMENT</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
September 30, 2021, the Company entered into subscription agreements (the &#8220;Subscription Agreements&#8221;) with certain institutional
and retail investors (the &#8220;Purchasers&#8221;), pursuant to which the Company agreed to sell and issue, in a registered direct offering,
an aggregate of <span id="xdx_90D_eus-gaap--SaleOfStockNumberOfSharesIssuedInTransaction_c20210928__20210930__us-gaap--TypeOfArrangementAxis__custom--SubscriptionAgreementsMember_zZ7uEnhuZdYf" title="Shares issued, shares">1,000,000</span> shares (the &#8220;Shares&#8221;) of our Common Stock, at a negotiated purchase price per share of $<span id="xdx_909_eus-gaap--SaleOfStockPricePerShare_iI_c20210930__us-gaap--TypeOfArrangementAxis__custom--SubscriptionAgreementsMember_zh8vBBioJIkj" title="Purchase price per share">6.20</span> (the
&#8220;Shares&#8221;), for aggregate gross proceeds to us of approximately $<span id="xdx_900_eus-gaap--ProceedsFromIssuanceOfCommonStock_c20210928__20210930__us-gaap--TypeOfArrangementAxis__custom--SubscriptionAgreementsMember_zIaxDokDdUl1" title="Proceeds issuance common stock">6,200,000</span>. The offering price per share was negotiated based
on the average closing price of our Common Stock as quoted on Nasdaq over the three-week period immediately preceding the date of the
Subscription Agreements, less a five percent discount.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Shares were offered and sold by the Company through a prospectus supplement pursuant to the Company&#8217;s &#8220;shelf&#8221; registration
statement on Form S-3, which was previously filed with the Commission on May 13, 2019 and subsequently declared effective on May 22,
2019 (the &#8220;Registration Statement&#8221;).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Wellington
Shields &amp; Co., LLC (&#8220;Wellington&#8221;) served as the exclusive placement agent in connection with the Offering, pursuant to
a placement agency agreement dated as of September 23, 2021 (the &#8220;Placement Agency Agreement&#8221;), between the Company and Wellington.
The Company paid Wellington a cash fee of <span id="xdx_90C_ecustom--CashFee_c20210922__20210923__us-gaap--TypeOfArrangementAxis__custom--PlacementAgencyAgreementMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--WellingtonShieldsandCoMember_zhxtm1i7vOk7" title="Cash fee">6.00%</span> of the aggregate gross proceeds in the Offering which totaled $<span id="xdx_908_ecustom--PaymentsToOffering_c20210922__20210923__us-gaap--TypeOfArrangementAxis__custom--PlacementAgencyAgreementMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--WellingtonShieldsandCoMember_zNmnnQ8qXj09" title="Payment for offering">372,000</span>. The Company also
reimbursed Wellington for certain expenses in connection with the Offering in an aggregate amount not to exceed $<span id="xdx_906_ecustom--OfferingCostThreshold_c20210922__20210923__us-gaap--TypeOfArrangementAxis__custom--PlacementAgencyAgreementMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--WellingtonShieldsandCoMember_z5dAac7ISqie" title="Offering cost">50,000</span>. After deducting
costs incurred directly in connection with the offering which were recorded as deduction to equity, net proceeds to the Company totaled
approximately $<span id="xdx_90F_eus-gaap--ProceedsFromIssuanceOfPrivatePlacement_c20210922__20210923__us-gaap--TypeOfArrangementAxis__custom--PlacementAgencyAgreementMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--WellingtonShieldsandCoMember_zAAhd6WLZUce" title="Proceeds from offering">5,704,000</span>. As of December 31, 2021, approximately $<span id="xdx_909_ecustom--OfferingCostPaid_pid_c20210101__20211231__us-gaap--TypeOfArrangementAxis__custom--PlacementAgencyAgreementMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--WellingtonShieldsandCoMember_zBcrMClj2Z7h" title="Offering cost paid">435,000</span> of the $<span id="xdx_90D_eus-gaap--DeferredOfferingCosts_iI_pid_c20211231__us-gaap--TypeOfArrangementAxis__custom--PlacementAgencyAgreementMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--WellingtonShieldsandCoMember_zWJncA41AGtf" title="Offering costs">496,000</span> in incurred offering costs were paid.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company plans to use the aggregate net proceeds from the offering primarily for working capital and general corporate purposes, including
for certain facility expansion and upgrades, with the use of such proceeds subject to changes, based on the judgment of management.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.</p></div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374788370456">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>INCOME (LOSS) PER SHARE<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareTextBlock', window );">INCOME (LOSS) PER SHARE</a></td>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_828_zT6XwKRGFWM8">INCOME
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B5_zrsniPTMZo6k" style="display: none">SCHEDULE OF EARNINGS PER SHARE, BASIC AND DILUTED</span></span></p>

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<tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Years Ended</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31,</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(Amounts in Thousands, Except
    for Per Share Amounts)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Net income attributable to Perma-Fix Environmental
    Services, Inc., common stockholders:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_ziolAcX58WV3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Income
    </span><span style="font-family: Times New Roman, Times, Serif">from continuing operations, net of taxes</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,092</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3,149</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--NetIncomeLossAttributableToNoncontrollingInterest_pn3n3_zsgbAhHn3Dsi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Net
    loss attributable to non-controlling interest</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(164</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(123</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_400_eus-gaap--IncomeLossFromContinuingOperations_pn3n3_zArifN6SrMMc" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left">Income from continuing
    operations attributable to <span style="font-family: Times New Roman, Times, Serif">Perma-Fix Environmental
    Services, Inc. common stockholders</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,256</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3,272</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40B_eus-gaap--IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_pn3n3_zJkJerN5OdHi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left; padding-bottom: 1pt">Loss from discontinuing
    operations attributable to <span style="font-family: Times New Roman, Times, Serif">Perma-Fix
    Environmental Services, Inc. common stockholders</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(421</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(412</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_40A_eus-gaap--NetIncomeLoss_pn3n3_z5oSP8EbqvMc" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Net
    income attributable to Perma-Fix Environmental Services, Inc. common stockholders</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">835</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,860</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_402_eus-gaap--EarningsPerShareBasic_pid_zQSuRLmDVvM2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Basic income per share
    attributable to Perma-Fix Environmental Services, Inc. common stockholders</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">.07</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">.24</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_401_eus-gaap--EarningsPerShareDiluted_pid_zVds0rU6xJ13" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Diluted income per share
    attributable to Perma-Fix Environmental Services, Inc. common stockholders</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">.07</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">.23</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Weighted average shares outstanding:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_405_eus-gaap--WeightedAverageNumberOfSharesOutstandingBasic_pid_zwlOGpQfOSjb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Basic weighted average shares outstanding</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">12,433</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">12,139</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_eus-gaap--IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_pid_zDpsrPS6bC08" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Add: dilutive effect of
    stock options</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">211</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">184</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_400_eus-gaap--IncrementalCommonSharesAttributableToCallOptionsAndWarrants_pid_zJZMQxVQUP95" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Add:
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">29</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">24</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40D_eus-gaap--WeightedAverageNumberOfDilutedSharesOutstanding_pid_zcWvhVSpe546" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">12,673</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"/><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Potential shares excluded from above weighted
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">323</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">42</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Warrant</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span style="-sec-ix-hidden: xdx2ixbrl1525">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span style="-sec-ix-hidden: xdx2ixbrl1526">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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<p id="xdx_8A1_z1McUBQLjNFb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for earnings per share.</p></div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374708869736">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>DISCONTINUED OPERATIONS<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract', window );"><strong>Discontinued Operations and Disposal Groups [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock', window );">DISCONTINUED OPERATIONS</a></td>
<td class="text"><p id="xdx_801_eus-gaap--DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_zYJ8FkojzZAg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
9</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_827_zAAKKjN5RIp6">DISCONTINUED
OPERATIONS</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s discontinued operations consist of all our subsidiaries included in our Industrial Segment which encompasses subsidiaries
divested in 2011 and prior and three previously closed locations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company incurred losses from discontinued operations of $<span id="xdx_904_eus-gaap--IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_iN_di_c20210101__20211231_zAwyzsAN4wa1" title="Loss from discontinued operations">421,000</span> (net of tax benefit of $<span id="xdx_903_eus-gaap--DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal_c20210101__20211231_z42E6k5lKR59" title="Tax effect of discontinued operation">139,000</span>) and $<span id="xdx_900_eus-gaap--IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_iN_di_c20200101__20201231_ztz0WMqzFa3i" title="Loss from discontinued operations">412,000</span> (net of taxes of $<span id="xdx_903_eus-gaap--DiscontinuedOperationTaxEffectOfDiscontinuedOperation_pn3n3_c20200101__20201231_zrFLhKTeGzZ7" title="Tax effect of discontinued operation">0</span>) for
the years ended December 31, 2021 and 2020, respectively. The loss for the year ended 2021 included an increase of approximately $<span id="xdx_90D_eus-gaap--AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease_c20200101__20201231__dei--LegalEntityAxis__custom--PermaFixOfMemphisIncMember_zD331Wd02Qk5" title="Increase (decrease) in environmental liability">100,000</span>
in remediation reserve for our PFSG subsidiary due to reassessment of the remediation reserve. The remaining loss for each of the periods
noted above was primarily due to costs incurred in the administration and continued monitoring of our discontinued operations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p id="xdx_89B_ecustom--DisposalGroupsIncludingDiscontinuedOperationBalanceSheetTableTextBlock_zXmMU4a93Pee" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table presents the major class of assets of discontinued operations at December 31, 2021 and December 31, 2020. No assets and
liabilities were held for sale at each of the periods noted.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span id="xdx_8BD_zcMLjLrqZnig" style="display: none">SCHEDULE OF DISPOSAL GROUPS, INCLUDING DISCONTINUED OPERATION BALANCE SHEET</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>
<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 90%; margin-right: auto">
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left">&#160;</td><td id="xdx_491_20211231_ztl7iiDWeI02" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right">&#160;</td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left">&#160;</td><td id="xdx_49C_20201231_zWujmFS0hJO7" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right">&#160;</td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left">&#160;</td></tr>
<tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December 31,</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(Amounts in Thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Current assets</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_400_ecustom--DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale_iI_pn3n3_maAODGIzXOJ_z1eTx8fJBwp4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Other assets</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">22</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_401_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale_iTI_pn3n3_mtAODGIzXOJ_maDGIDOzwqA_zSx8xyr3opWd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total current assets</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">22</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Long-term assets</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_408_ecustom--DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent_iI_pn3n3_maDGIDOzLrQ_z8VQPJn84x32" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span id="xdx_F45_z3lcI0WsycH" style="font-family: Times New Roman, Times, Serif">Property, plant and equipment,
    net <sup>(1)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">81</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">81</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_ecustom--DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent_iTI_pn3n3_mtDGIDOzLrQ_maDGIDOzwqA_z0uKM6S5Plrb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total
    long-term assets</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">81</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">81</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_ecustom--DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale_iTI_pn3n3_mtDGIDOzwqA_zP0FQPcGDfB4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total
    assets</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">96</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">103</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Current liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_403_ecustom--DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale_iI_pn3n3_maLODGIzuUg_z0oipgEJ7tv6" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accounts payable</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">4</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_401_ecustom--DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities_iI_pn3n3_maLODGIzuUg_z2CE46jau6n5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accrued expenses and other liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">154</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">150</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_ecustom--DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities_iI_pn3n3_maLODGIzuUg_zouKplmZ8rha" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Environmental liabilities</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">349</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">744</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_403_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale_iTI_pn3n3_mtLODGIzuUg_maLODGIz0i8_zRhiKLHLHF38" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total current liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">506</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">898</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Long-term liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale_iI_pn3n3_maLODGIzy7I_zXVyV9ILZsy6" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Closure liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">150</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">142</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities_iI_pn3n3_maLODGIzy7I_zQYp8wVr2dng" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Environmental liabilities</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">527</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">110</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale_iTI_pn3n3_mtLODGIzy7I_maLODGIz0i8_zhfcMemv79Qk" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total
    long-term liabilities</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">677</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">252</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale_iI_pn3n3_mtLODGIz0i8_z1sfbf5Yxgz8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total
    liabilities</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,183</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,150</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 31.5pt"/><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 31.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt">
<tr style="vertical-align: top">
  <td style="text-align: justify; padding-left: 10pt; text-indent: -10pt; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0A_zlSUe9RFDp13">(1)</sup></span></td>
  <td style="text-align: justify"><span id="xdx_F19_z9WaFn6rfKef" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">net of accumulated depreciation of $<span><span><span class="xdx_phnt_RGlzY2xvc3VyZSAtIERJU0NPTlRJTlVFRCBPUEVSQVRJT05TIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization_c20200101__20201231_zD1sFl5Uu8c1"><span class="xdx_phnt_RGlzY2xvc3VyZSAtIERJU0NPTlRJTlVFRCBPUEVSQVRJT05TIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_907_eus-gaap--DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization_c20210101__20211231_zqRdqnjFI89h" title="Accumulated depreciation">10,000</span></span></span></span> for each period
presented.</span></td></tr>
</table>


<p id="xdx_8A6_zr8b2sXLQauh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Environmental
Liabilities</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company has three remediation projects, which are currently in progress relating to our PFD, PFM and PFSG (closed locations) subsidiaries,
all within our discontinued operations. The Company divested PFD in 2008; however, the environmental liability of PFD was retained
by the Company upon the divestiture of PFD. These remediation projects principally entail the removal/remediation of contaminated soil
and, in most cases, the remediation of surrounding ground water. The remediation activities are closely reviewed and monitored by the
applicable state regulators.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">At
December 31, 2021, the Company had total accrued environmental remediation liabilities of $<span id="xdx_905_eus-gaap--AccrualForEnvironmentalLossContingencies_c20211231_pp0p0" title="Accrued environmental remediation liabilities">876,000</span>, an increase of $<span id="xdx_905_eus-gaap--AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease_c20210101__20211231_pp0p0" title="Increase (decrease) in environmental liability">22,000</span> from the December
31, 2020 balance of $<span id="xdx_904_eus-gaap--AccrualForEnvironmentalLossContingencies_c20201231_pp0p0" title="Accrued environmental remediation liabilities">854,000</span>. The net increase represents an increase of $<span id="xdx_904_eus-gaap--AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease_pp0p0_c20200101__20201231_zcB39bdwHHx3">100,000</span> made to the reserve at our PFSG subsidiary as discussed
above and payments of approximately $<span id="xdx_904_eus-gaap--AccrualForEnvironmentalLossContingenciesPayments1_pp0p0_c20200101__20201231_zKEEZAIcAcY7">78,000</span> for remediation projects for the three subsidiaries. At December 31, 2021, $<span id="xdx_90D_eus-gaap--AccruedEnvironmentalLossContingenciesCurrent_iI_pp0p0_c20211231_z4WlF3PKYlR" title="Accrued environmental liabilities, current">349,000</span> of the
total accrued environmental liabilities was recorded as current.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_892_eus-gaap--ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_zKHbImfFOX09" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
current and long-term accrued environmental liabilities at December 31, 2021 are summarized as follows (in thousands).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span id="xdx_8BE_zhyeReJfxW9j" style="display: none">SCHEDULE OF CURRENT AND LONG TERM ACCRUED ENVIRONMENTAL LIABILITY</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Current</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Long-term</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"/><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Accrual</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Accrual</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 46%"><span style="font-family: Times New Roman, Times, Serif">PFD</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--AccruedEnvironmentalLossContingenciesCurrent_c20211231__dei--LegalEntityAxis__custom--PFDMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right" title="Current Accrual"><span style="font-family: Times New Roman, Times, Serif">8</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--AccruedEnvironmentalLossContingenciesNoncurrent_c20211231__dei--LegalEntityAxis__custom--PFDMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right" title="Long-term Accrual"><span style="font-family: Times New Roman, Times, Serif">60</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--AccrualForEnvironmentalLossContingencies_c20211231__dei--LegalEntityAxis__custom--PFDMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right" title="Total"><span style="font-family: Times New Roman, Times, Serif">68</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">PFM</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--AccruedEnvironmentalLossContingenciesCurrent_c20211231__dei--LegalEntityAxis__custom--PFMMember_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Current Accrual"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1603">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--AccruedEnvironmentalLossContingenciesNoncurrent_c20211231__dei--LegalEntityAxis__custom--PFMMember_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Long-term Accrual"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--AccrualForEnvironmentalLossContingencies_c20211231__dei--LegalEntityAxis__custom--PFMMember_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">PFSG</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--AccruedEnvironmentalLossContingenciesCurrent_c20211231__dei--LegalEntityAxis__custom--PFSGMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Current Accrual"><span style="font-family: Times New Roman, Times, Serif">341</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_eus-gaap--AccruedEnvironmentalLossContingenciesNoncurrent_c20211231__dei--LegalEntityAxis__custom--PFSGMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Long-term Accrual"><span style="font-family: Times New Roman, Times, Serif">452</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_988_eus-gaap--AccrualForEnvironmentalLossContingencies_c20211231__dei--LegalEntityAxis__custom--PFSGMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"><span style="font-family: Times New Roman, Times, Serif">793</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total liability</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--AccruedEnvironmentalLossContingenciesCurrent_iI_pn3n3_c20211231_zpBQpwOwmMn5" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Current Accrual"><span style="font-family: Times New Roman, Times, Serif">349</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--AccruedEnvironmentalLossContingenciesNoncurrent_c20211231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Long-term Accrual"><span style="font-family: Times New Roman, Times, Serif">527</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--AccrualForEnvironmentalLossContingencies_iI_pn3n3_c20211231_zl0Oeoet8jw3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"><span style="font-family: Times New Roman, Times, Serif">876</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>


<p id="xdx_8A8_zVZtlTysizIb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -URI http://asc.fasb.org/topic&amp;trid=2155823<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -URI http://asc.fasb.org/subtopic&amp;trid=2122178<br></p></div>
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>dtr-types:textBlockItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374705678584">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>LONG-TERM DEBT<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtDisclosureAbstract', window );"><strong>Debt Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtTextBlock', window );">LONG-TERM DEBT</a></td>
<td class="text"><p id="xdx_80B_eus-gaap--LongTermDebtTextBlock_zoyvmxUBXxP" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
10</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_825_zyy2oiTFLAcj">LONG-TERM
DEBT</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p id="xdx_897_eus-gaap--ScheduleOfDebtInstrumentsTextBlock_zS2apXxVNghc" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Long-term
debt consists of the following at December 31, 2021 and December 31, 2020:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8BA_zjuae0j4Hfr2" style="display: none">SCHEDULE OF LONG TERM DEBT</span></span></p>
<table cellpadding="0" cellspacing="0" style="font: 9.5pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(Amounts in Thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49C_20211231_zX6Jwoc1IrUc" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49C_20201231_zBPXl0YuGKwi" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td></tr>
  <tr id="xdx_400_eus-gaap--LongTermDebt_iI_pn3n3_hus-gaap--LongtermDebtTypeAxis__custom--RevolvingCreditMember_zrlvgPx0jJMc" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt"><b>Revolving
    Credit</b> facility dated May 8, 2020, borrowings based upon eligible accounts receivable, subject to monthly borrowing base calculation,
    balance due on <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_905_eus-gaap--DebtInstrumentMaturityDate_dd_c20200507__20200508__us-gaap--TypeOfArrangementAxis__custom--RevolvingCreditMember_zXVZ7u6y2ssj" title="Debt due date">May 15, 2024</span>. Effective interest rate for 2021 and 2020 was <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_909_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_uPure_c20211231__us-gaap--TypeOfArrangementAxis__custom--RevolvingCreditMember_zA3nFPGRMkj4" style="font: 10pt Times New Roman, Times, Serif" title="Effective interest rate">5.3%</span> and <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_uPure_c20201231__us-gaap--TypeOfArrangementAxis__custom--RevolvingCreditMember_zEt8hB0UFD51" title="Effective interest rate">6.1%</span>. <sup id="xdx_F45_z3aC8tpxcWDj">(1) </sup></span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1625">&#8212;</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1626">&#8212;</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt"><b>Term
    Loan</b> dated May 8, 2020, payable in equal monthly installments of principal, balance due on <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90A_eus-gaap--DebtInstrumentMaturityDate_dd_c20200507__20200508__us-gaap--TypeOfArrangementAxis__custom--TermLoanMember_zeWdGD7tvZk2" title="Debt due date">May 15, 2024</span>. Effective interest rate
    for 2021 and 2020 was <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90B_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_uPure_c20211231__us-gaap--TypeOfArrangementAxis__custom--TermLoanMember_zZf5yHCfFdTd" title="Effective interest rate">4.5%</span> and <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_907_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_c20201231__us-gaap--TypeOfArrangementAxis__custom--TermLoanMember_z40l6Xwbqizf" title="Effective interest rate">5.2%</span>. <sup>(1) </sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--LongTermDebt_iI_pn3n3_c20211231__us-gaap--LongtermDebtTypeAxis__custom--TermLoanMember_fKDEpKDIp_zTgP0ny4tKy9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif">954</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(2)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--LongTermDebt_iI_pn3n3_c20201231__us-gaap--LongtermDebtTypeAxis__custom--TermLoanMember_fKDEpKDIp_zCNeYEMd0c48" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif">1,388</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(2)</sup></span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt"><b>Promissory
    Note</b> dated April 14, 2020, balance of loan forgiven. Interest accrued at annual rate of <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90F_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_c20200414__us-gaap--LongtermDebtTypeAxis__custom--RelatedPartyPromissoryNoteOneMember_zxngtnvVz7Qh" title="Effective interest rate">1.0%</span>. <sup>(3)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--LongTermDebt_iI_pn3n3_c20211231__us-gaap--LongtermDebtTypeAxis__custom--RelatedPartyPromissoryNoteOneMember_fKDMpKDQp_zDkw3ut2MTC5" style="font: 10pt Times New Roman, Times, Serif; width: 16%; text-align: right" title="Total debt"><span style="-sec-ix-hidden: xdx2ixbrl1646">&#8212;</span><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(4)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--LongTermDebt_iI_pn3n3_c20201231__us-gaap--LongtermDebtTypeAxis__custom--RelatedPartyPromissoryNoteOneMember_fKDMpKDQp_zBkONtKoB0I3" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif">5,318</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(4)</sup></span></td></tr>
  <tr id="xdx_406_eus-gaap--LongTermDebt_iI_pn3n3_hus-gaap--LongtermDebtTypeAxis__custom--NotePayableMember_zODBoqEKBxIk" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><b>Notes
    Payable</b> to 2023 and 2025, annual interest rate of <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_c20211231__us-gaap--LongtermDebtTypeAxis__custom--NotePayableOneMember_zOGr2IFQLZ4" title="Effective interest rate">5.6%</span> and <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_c20201231__us-gaap--LongtermDebtTypeAxis__custom--NotePayableOneMember_z9R27xqRaxth" title="Effective interest rate">9.1%</span>.</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">39</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">23</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td></tr>
  <tr id="xdx_406_eus-gaap--LongTermDebt_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total debt</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">993</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">6,729</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td></tr>
  <tr id="xdx_40D_eus-gaap--LongTermDebtCurrent_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Less current portion of
    long-term debt</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">393</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3,595</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td></tr>
  <tr id="xdx_40E_eus-gaap--LongTermDebtNoncurrent_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Long-term debt</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">600</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3,134</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -27pt"/><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -27pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"/>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup/></span></p>

<table cellpadding="0" cellspacing="0" style="width: 100%; border-collapse: collapse">
  <tr style="vertical-align: top">
    <td style="width: 3%"><span id="xdx_F04_z8bhnUAIcot2" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(1)</span></td>
    <td style="width: 97%"><span id="xdx_F13_zB9ZzSQOUjRl" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
    revolving credit facility is collateralized by our accounts receivable and our term loan is collateralized by our property, plant,
    and equipment.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify">&#160;</p>

<table cellpadding="0" cellspacing="0" style="width: 100%; border-collapse: collapse">
  <tr style="vertical-align: top">
    <td style="width: 3%"><span id="xdx_F02_zncSiQYm3i25" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(2)</span></td>
    <td style="width: 97%"><span id="xdx_F1E_zdsvHIgpLU2" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Net
    of debt issuance/debt discount costs of ($<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90B_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20211231_zxv0W3sUClif" title="Debt issuance costs net">112,000</span>) and ($<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20201231_zM0KwtufEN59" title="Debt issuance costs net">105,000</span>) at December 31, 2021 and December 31, 2020, respectively.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup/></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"/>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b/></span></p>

<table cellpadding="0" cellspacing="0" style="width: 100%; border-collapse: collapse">
  <tr style="vertical-align: top">
    <td style="width: 3%"><span id="xdx_F0C_zWOp5ELx4fV1" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(3)</span></td>
    <td style="width: 97%"><span id="xdx_F11_z3pteyhMrab" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Uncollateralized
    note.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b/></span></p>

<table cellpadding="0" cellspacing="0" style="width: 100%; border-collapse: collapse">
  <tr style="vertical-align: top">
    <td style="width: 3%"><span id="xdx_F02_zUD9yETeTes2" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(4)</span></td>
    <td style="width: 97%"><span id="xdx_F1C_zfFY9fuztTqc" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Entered
    into with the Company&#8217;s credit facility lender under the PPP under the CARES Act (see &#8220;PPP Loan&#8221; below for information
    regarding forgiveness on the entire loan balance, along with accrued interest, effective June 15, 2021).</span></td></tr>
  </table>
<p id="xdx_8AE_zpeK0tRY67ol" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b/></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Revolving
Credit and Term Loan Agreement</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company entered into a Second Amended and Restated Revolving Credit, Term Loan and Security Agreement, dated May 8, 2020 (&#8220;Loan
Agreement&#8221;), with PNC National Association (&#8220;PNC&#8221;), acting as agent and lender. The Loan Agreement provides the Company
with the following credit facility with a maturity date of <span id="xdx_90B_eus-gaap--DebtInstrumentMaturityDate_dd_c20200506__20200508__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember__us-gaap--DebtInstrumentAxis__custom--RevisedLoanAgreementMember__dei--LegalEntityAxis__custom--PNCBankMember_z2XqaT3Hxu9k" title="Debt instrument maturity date">March 15, 2024</span>: (a) up to $<span id="xdx_907_eus-gaap--LineOfCreditFacilityMaximumBorrowingCapacity_iI_pp0p0_c20200508__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember__us-gaap--DebtInstrumentAxis__custom--RevisedLoanAgreementMember__dei--LegalEntityAxis__custom--PNCBankMember_zNe2XKyJ5srl" title="Line of credit facility, maximum borrowing capacity">18,000,000</span> revolving credit (&#8220;revolving credit&#8221;)
and (b) a term loan (&#8220;term loan&#8221;) of approximately $<span id="xdx_906_eus-gaap--LongTermDebt_iI_pp0p0_c20200508__us-gaap--DebtInstrumentAxis__custom--RevisedLoanAgreementMember__dei--LegalEntityAxis__custom--PNCBankMember__us-gaap--LongtermDebtTypeAxis__custom--TermLoanMember_zOqB1LoJRhk7" title="Long-term debt">1,742,000</span>, requiring monthly installments of $<span id="xdx_904_eus-gaap--DebtInstrumentPeriodicPayment_pp0p0_c20200506__20200508__us-gaap--DebtInstrumentAxis__custom--RevisedLoanAgreementMember__dei--LegalEntityAxis__custom--PNCBankMember__us-gaap--LongtermDebtTypeAxis__custom--TermLoanMember_zU8quMz5XAE8" title="Debt instrument periodic payment">35,547</span>. The maximum that
the Company can borrow under the revolving credit is based on a percentage of eligible receivables (as defined) at any one time reduced
by outstanding standby letters of credit and borrowing reductions that our lender may impose from time to time.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
May 4, 2021, the Company entered into an amendment to the Loan Agreement with its lender which provided the following, among other things:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">revised
    the Company&#8217;s FCCR calculation requirement which allows for the add-back of approximately $<span id="xdx_901_ecustom--EligibleExpensesUnderPPPLoan_iI_pp0p0_c20210504__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramMember_zpg1BCfhD56l" title="Eligible expenses incurred in connection with the PPP loan">5,318,000</span> in eligible expenses that
    were incurred and covered by the PPP Loan that the Company received in 2020. The add-back is to be applied retroactively to the second
    and third quarters of 2020. (see below for a discussion of the PPP Loan); and</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">a
    capital expenditure line of up to $<span id="xdx_90B_eus-gaap--LineOfCreditFacilityCurrentBorrowingCapacity_iI_pp0p0_c20210504_zag1tZZEDqs7" title="Line of Credit Facility, Current Borrowing Capacity">1,000,000</span> with advances on the line, subject to certain limitations, permitted for up to twelve
    months starting May 4, 2021 (the &#8220;Borrowing Period&#8221;). Only interest is payable on advances during the Borrowing Period
    (see annual rate of interest below on the capital expenditure line). At the end of the Borrowing Period, the total amount advanced
    under the line will amortize equally based on a five-year amortization schedule with principal payment due monthly plus interest.
    At the maturity date of the Loan Agreement, any unpaid principal balance plus interest, if any, will become due. No advance on the
    capital line has been made as of December 31, 2021.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
connection with the amendment, the Company paid its lender a fee of $<span id="xdx_901_eus-gaap--DebtInstrumentFeeAmount_iI_c20210504_zWx2AJJ0phrc" title="Lender fee value">15,000</span> which is being amortized over the remaining term of the Loan
Agreement, as amended, as interest expense-financing fees.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
August 10, 2021, the Company entered into another amendment to the Loan Agreement with its lender which provided, among other things,
the following:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">waived
    the Company&#8217;s failure to meet the minimum quarterly FCCR requirement for the second quarter of 2021;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">removes
    the quarterly FCCR testing requirement for the third quarter of 2021;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">reinstates
    <span id="xdx_90F_eus-gaap--DebtInstrumentDescription_c20210809__20210810__us-gaap--TypeOfArrangementAxis__custom--LoanAgreementMember_z6GizflUknS3">the quarterly FCCR testing requirement starting for the fourth quarter of 2021 and revises the methodology to be used in calculating
    the FCCR for the quarters ending December 31, 2021, March 31, 2022, and June 30, 2022 (with no change to the minimum 1.15:1 ratio
    requirement for each quarter)</span>; and</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">requires
    maintenance of a minimum of $<span id="xdx_903_eus-gaap--LineOfCreditFacilityCurrentBorrowingCapacity_iI_pp0p0_c20211231__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--LeanderMember_zfrsE4tdji5" title="Debt instrument, borrowing capacity, amount">3,000,000</span> in borrowing availability under the revolving credit until the minimum FCCR requirement for
    the quarter ended December 31, 2021 has been met and certified to the lender.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
connection with the amendment, the Company paid its lender a fee of $<span id="xdx_901_eus-gaap--DebtInstrumentFeeAmount_iI_c20210504_zgcj84TcQER1">15,000</span> which is being amortized over the remaining term of the Loan
Agreement, as amended, as interest expense-financing fees.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Pursuant
to the Loan Agreement, as amended, payment of annual rate of interest due on the revolving credit is at prime (<span id="xdx_900_eus-gaap--DebtInstrumentInterestRateStatedPercentage_iI_dp_uPure_c20211231__us-gaap--VariableRateAxis__us-gaap--PrimeRateMember__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zUVNFD3ewor9" title="Interest rate">3.25%</span> at December 31,
2021) plus <span id="xdx_90D_eus-gaap--DebtInstrumentBasisSpreadOnVariableRate1_dp_uPure_c20210101__20211231__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember__us-gaap--VariableRateAxis__us-gaap--PrimeRateMember_z6SLZhzvHmt2" title="Debt Instrument, basis spread on variable rate">2%</span> or London InterBank Offer Rate (&#8220;LIBOR&#8221;) plus <span id="xdx_90B_eus-gaap--DebtInstrumentBasisSpreadOnVariableRate1_dp_uPure_c20210101__20211231__us-gaap--VariableRateAxis__us-gaap--LondonInterbankOfferedRateLIBORMember__us-gaap--TypeOfArrangementAxis__custom--LoanAgreementMember_zhN9o4juaYdk" title="Debt Instrument, basis spread on variable rate">3.00%</span> and the term loan and the capital expenditure line at prime
plus <span id="xdx_90B_eus-gaap--DebtInstrumentBasisSpreadOnVariableRate1_dp_uPure_c20210101__20211231__us-gaap--VariableRateAxis__us-gaap--PrimeRateMember__us-gaap--TypeOfArrangementAxis__custom--LoanAgreementMember__us-gaap--DebtInstrumentAxis__custom--CapitalExpenditureMember_z19F8aOzC832" title="Debt Instrument, basis spread on variable rate">2.50%</span> or LIBOR plus <span id="xdx_900_eus-gaap--DebtInstrumentBasisSpreadOnVariableRate1_dp_uPure_c20210101__20211231__us-gaap--TypeOfArrangementAxis__custom--LoanAgreementMember__us-gaap--VariableRateAxis__us-gaap--LondonInterbankOfferedRateLIBORMember__us-gaap--DebtInstrumentAxis__custom--CapitalExpenditureMember_zvD2WnTlrQK4" title="Debt Instrument, basis spread on variable rate">3.50%</span>. Under the LIBOR option of interest payment, a LIBOR floor of <span title="Capital increase expenditure Interest rate"><span id="xdx_908_eus-gaap--DebtInstrumentBasisSpreadOnVariableRate1_dp_uPure_c20210101__20211231__us-gaap--VariableRateAxis__us-gaap--LondonInterbankOfferedRateLIBORMember_zEYv15ngba2j">0.75</span>%</span> applies in the event that LIBOR falls
below <span id="xdx_90B_eus-gaap--DebtInstrumentBasisSpreadOnVariableRate1_dp_uPure_c20210101__20211231__us-gaap--VariableRateAxis__us-gaap--LondonInterbankOfferedRateLIBORMember_zO4BxHiWkmpj" title="Debt Instrument, basis spread on variable rate">0.75%</span> at any point in time.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_909_eus-gaap--DebtInstrumentDescription_c20210101__20211231__us-gaap--TypeOfArrangementAxis__custom--LoanAgreementMember_zOPd6cI7yU6c">The
Company may terminate its Loan Agreement, as amended upon 90 days&#8217; prior written notice upon payment in full of our obligations
under the Loan Agreement. The Company agreed to pay PNC 1.0% of the total financing had the Company paid off its obligations on or before
May 7, 2021 and 0.5% of the total financing if the Company pays off its obligations after May 7, 2021 but prior to or on May 7, 2022.
No early termination fee will apply if the Company pays off its obligations under the Loan Agreement after May 7, 2022.</span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">At
December 31, 2021, the borrowing availability under the Company&#8217;s revolving credit was approximately $<span id="xdx_904_eus-gaap--LineOfCreditFacilityRemainingBorrowingCapacity_c20211231__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_pp0p0" title="Line of credit facility, remaining borrowing capacity">8,692,000</span> based on our eligible
receivables and includes a reduction in borrowing availability of approximately $<span id="xdx_90E_eus-gaap--LettersOfCreditOutstandingAmount_c20211231__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_pp0p0" title="Letters of credit outstanding, amount">3,020,000</span> from outstanding standby letters of credit.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s credit facility under its Loan Agreement, as amended, with PNC contains certain financial covenants, along with customary
representations and warranties. A breach of any of these financial covenants, unless waived by PNC, could result in a default under the
credit facility allowing our lender to immediately require the repayment of all outstanding debt under our credit facility and terminate
all commitments to extend further credit. The Company&#8217;s Loan Agreement prohibits us from paying cash dividends on our Common Stock
without prior approval from our lender. The Company met its financial covenant requirements in the first quarter of 2021. The Company&#8217;s
FCCR calculation in the first quarter of 2021 included the add-back of approximately $<span id="xdx_90F_ecustom--EligibleExpensesUnderPPPLoan_iI_c20211231__us-gaap--TypeOfArrangementAxis__custom--LoanAgreementMember_zoV5S0idNwk2">5,318,000
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">in eligible expenses that were incurred and covered
by the PPP Loan that the Company received in 2020 as permitted by the amendment dated May 4, 2021 to the Company&#8217;s Loan Agreement
as discussed above. The Company did not meet its FCCR requirement in the second quarter of 2021. However, this FCCR non-compliance was
waived by the Company&#8217;s lender pursuant to the amendment dated August 10, 2021 to the Company&#8217;s Loan Agreement as discussed
above. The Company was not required to test its FCCR for the third quarter 2021 pursuant to the August 10, 2021 amendment to the Loan
Agreement. The Company met its financial covenant requirements for the fourth quarter of 2021, with the exception of the FCCR requirement;
however, this non-compliance was waived by the Company&#8217;s lender pursuant to an amendment to our Loan Agreement dated March 29,
2022 (see &#8220;Note 21 - Subsequent Events &#8211; Credit Facility&#8221; for a discussion of this waiver and additional provisions
of this amendment).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>PPP
Loan</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
April 14, 2020, the Company entered into a promissory note under the PPP with PNC, our credit facility lender, which had a balance of
approximately $<span id="xdx_900_eus-gaap--LongTermDebt_iI_pp0p0_c20200414__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember__srt--TitleOfIndividualAxis__custom--LenderMember_zsQwXJ5nmUZi" title="Total debt">5,318,000</span> (the &#8220;PPP Loan&#8221;). The PPP was established under the CARES Act and is administered by the SBA. The
CARES Act was subsequently amended by the Flexibility Act. Proceeds from the promissory note was used by the Company for eligible payroll
costs, mortgage interest, rent and utility costs as permitted under the Flexibility Act. The annual interest rate on the PPP Loan is
<span id="xdx_90D_eus-gaap--DebtInstrumentInterestRateDuringPeriod_dp_uPure_c20200413__20200414__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zKWEMhfcwY6c" title="Debt interest rate">1.0%</span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
October 5, 2020, the Company applied for forgiveness on repayment of the PPP Loan as permitted under the Flexibility Act. On July 1,
2021, the Company was notified by PNC that the entire balance of the PPP Loan of approximately $<span id="xdx_908_eus-gaap--DebtInstrumentDecreaseForgiveness_pp0p0_c20210614__20210615__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember__srt--TitleOfIndividualAxis__custom--LenderMember_zybxPvMaJs6c" title="Debt Instrument, Decrease, Forgiveness">5,318,000</span>, along with accrued interest
of approximately $<span id="xdx_90B_ecustom--InterestForgiveness_pp0p0_c20210614__20210615__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember__srt--TitleOfIndividualAxis__custom--LenderMember_zDjzsMBdEtBg" title="Interest forgiveness">63,000</span> was forgiven by the SBA, effective June 15, 2021. Accordingly, the Company recorded the entire forgiven PPP
Loan balance, along with accrued interest, totaling approximately $<span id="xdx_90E_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pp0p0_c20210101__20211231__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zoIjQscljnUh" title="Gain (loss) on extinguishment of debt">5,381,000</span> as &#8220;Gain on extinguishment of debt&#8221; on its Consolidated
Statement of Operations for the year ended 2021.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_89E_eus-gaap--ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_z1SFKERHmdF5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table details the amount of the maturities of long-term debt maturing in future years at December 31, 2021 (excludes debt issuance
costs of $112,000).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B9_z1PGT6OX3U04" style="display: none">SCHEDULE OF MATURITIES OF LONG-TERM DEBT</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 50%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Year ending December 31:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; width: 54%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">(In thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 20%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2022</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_iI_pn3n3_maLT_c20211231_zNKJpTXTc4c1" style="font-family: Times New Roman, Times, Serif; width: 20%; text-align: right" title="2022"><span style="font-family: Times New Roman, Times, Serif">441</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2023</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_981_eus-gaap--LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_iI_pn3n3_maLT_c20211231_ztEnQtbVd15e" style="font-family: Times New Roman, Times, Serif; text-align: right" title="2023"><span style="font-family: Times New Roman, Times, Serif">437</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2024</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_eus-gaap--LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_iI_pn3n3_maLT_c20211231_zRRZLLw66vef" style="font-family: Times New Roman, Times, Serif; text-align: right" title="2024"><span style="font-family: Times New Roman, Times, Serif">220</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">2025</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_iI_pn3n3_maLT_c20211231_zjZOeopi3REg" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="2025"><span style="font-family: Times New Roman, Times, Serif">7</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--DebtInstrumentCarryingAmount_iTI_pn3n3_mtLT_c20211231_z3oPgZ6eLGH5" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"><span style="font-family: Times New Roman, Times, Serif">1,105</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p id="xdx_8A4_zShgLJbamEqj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtDisclosureAbstract</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for long-term debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -URI http://asc.fasb.org/topic&amp;trid=2208564<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374708905480">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>ACCRUED EXPENSES<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PayablesAndAccrualsAbstract', window );"><strong>Payables and Accruals [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock', window );">ACCRUED EXPENSES</a></td>
<td class="text"><p id="xdx_80D_eus-gaap--AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_zEy56IrA5Pk6" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
11</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_82E_znpV5u9a1V3c">ACCRUED
EXPENSES</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -4.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p id="xdx_894_eus-gaap--ScheduleOfAccruedLiabilitiesTableTextBlock_zyJqZDvrVU9a" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accrued
expenses include the following (in thousands) at December 31:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span id="xdx_8B7_zZVYroIuWY62" style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;SCHEDULE
OF ACCRUED EXPENSES</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49A_20211231_zl0IA3Mivlsj" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49A_20201231_zAbKjvbYRRVc" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_401_eus-gaap--EmployeeRelatedLiabilitiesCurrent_iI_pn3n3_maALCzxVW_z8EF0SKmvRgl" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Salaries and employee benefits</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3,049</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">4,203</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_405_eus-gaap--TaxesPayableCurrent_iI_pn3n3_maALCzxVW_zdlcRelFKAt1" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accrued sales, property and other tax</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">183</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">589</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_eus-gaap--InterestPayableCurrent_iI_pn3n3_maALCzxVW_zwcjj1H9QLDe" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Interest payable</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">50</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_eus-gaap--AccruedInsuranceCurrent_iI_pn3n3_maALCzxVW_zxftFQl99kE8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Insurance payable</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,209</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,145</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_408_eus-gaap--OtherAccruedLiabilitiesCurrent_iI_pn3n3_maALCzxVW_zwX5PCSd4p89" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">634</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">394</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_406_eus-gaap--AccruedLiabilitiesCurrent_iTI_pn3n3_mtALCzxVW_zNpgAU09Llja" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total
    accrued expenses</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">5,078</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">6,381</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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<p id="xdx_8AA_zP1uYqjO4aj4" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accrued
expenses for 2020 included an aggregate of approximately $<span id="xdx_90F_eus-gaap--OfficersCompensation_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandTwentyManagementIncentivePlanMember_zqQZmi01d9me" title="Compensation expenses accrued">419,000</span> in compensation expenses accrued under 2020 MIPs for our executive
officers which was paid in July 2021.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(a),20,24)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374708881256">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>ACCRUED CLOSURE COSTS AND ARO<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationDisclosureAbstract', window );"><strong>Asset Retirement Obligation Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationDisclosureTextBlock', window );">ACCRUED CLOSURE COSTS AND ARO</a></td>
<td class="text"><p id="xdx_80B_eus-gaap--AssetRetirementObligationDisclosureTextBlock_zeKxLmICA277" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
12</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_821_z3d1U6X0uNw3">ACCRUED
CLOSURE COSTS AND ARO</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p id="xdx_891_eus-gaap--ScheduleOfChangeInAssetRetirementObligationTableTextBlock_zbXUa0EXcW7d" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accrued
closure costs represent our estimated environmental liability to clean up our fixed-based regulated facilities as required by our permits,
in the event of closure. Changes to reported closure liabilities (current and long-term) for the years ended December 31, 2021 and 2020,
were as follows:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;<span id="xdx_8B2_ztAjkZwbF9y9" style="display: none">SCHEDULE
OF CHANGE IN ASSET RETIREMENT OBLIGATION</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 50%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Amounts in thousands</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 76%"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2019</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--AssetRetirementObligation_iS_pn3n3_c20200101__20201231_zvTz40Uyoqia" style="font-family: Times New Roman, Times, Serif; width: 20%; text-align: right" title="Balance at beginning"><span style="font-family: Times New Roman, Times, Serif">6,041</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accretion expense</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--AssetRetirementObligationAccretionExpense_pn3n3_c20200101__20201231_zLYtNtCYSVg6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Accretion expense"><span style="font-family: Times New Roman, Times, Serif">335</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Spending</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--AssetRetirementObligationLiabilitiesSettled_iN_pn3n3_di_c20200101__20201231_z3gG6KMKhve5" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Spending"><span style="font-family: Times New Roman, Times, Serif">(11</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--AssetRetirementObligation_iS_pn3n3_c20210101__20211231_zoqtLgxO5bCh" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Balance at beginning"><span style="font-family: Times New Roman, Times, Serif">6,365</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accretion expense</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--AssetRetirementObligationAccretionExpense_pn3n3_c20210101__20211231_zgMdAGT71Q88" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Accretion expense"><span style="font-family: Times New Roman, Times, Serif">377</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Addition to closure liability</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98A_ecustom--AdditionToClosureLiability_pn3n3_c20210101__20211231_z3r0HEVCs844" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Addition to closure liability."><span style="font-family: Times New Roman, Times, Serif">499</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Spending</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--AssetRetirementObligationLiabilitiesSettled_iN_pn3n3_di_c20210101__20211231_zA72uzZNIyPk" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Spending"><span style="font-family: Times New Roman, Times, Serif">(50</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--AssetRetirementObligation_iE_pn3n3_c20210101__20211231_zecSWmgyUORb" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Balance at end"><span style="font-family: Times New Roman, Times, Serif">7,191</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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<p id="xdx_8A0_z8D48HqmCbyg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 117pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
addition to closure liabilities for 2021 reflects primarily estimated costs for decommissioning activities required to restore the leased
property at our EWOC facility back to its original condition at the end of its lease term. As of December 31, 2021, current portion of
the closure liabilities totaled approximately $<span id="xdx_90C_eus-gaap--AccruedCappingClosurePostClosureAndEnvironmentalCosts_iI_c20211231_zmeZpf1GUUlj" title="Accrued closure costs - current">578,000</span> which consists primarily of the closure liabilities for our EWOC facility.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_898_ecustom--ScheduleOfAssetRetirementObligationTableTextBlock_zsIlzQUAvSra" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
reported closure asset or ARO, is reported as a component of &#8220;Net Property and equipment&#8221; in the Consolidated Balance Sheets
at December 31, 2021 and 2020 with the following activity for the years ended December 31, 2021 and 2020:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;<span id="xdx_8B0_zDMsKwH1UkVj" style="display: none">SCHEDULE
OF ASSET RETIREMENT OBLIGATIONS</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 70%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Amounts in thousands</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 78%"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2019</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_ecustom--ClosureAndPostClosureAssets_iS_pn3n3_c20200101__20201231_zxIIfWGYcv24" style="font-family: Times New Roman, Times, Serif; width: 18%; text-align: right" title="Balance at beginning"><span style="font-family: Times New Roman, Times, Serif">3,539</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Amortization of closure
    and post-closure asset</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_ecustom--AmortizationOfClosureAndPostClosureAsset_pn3n3_c20200101__20201231_zosYWoyu6m2b" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Amortization of closure and post-closure asset"><span style="font-family: Times New Roman, Times, Serif">(191</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_ecustom--ClosureAndPostClosureAssets_iS_pn3n3_c20210101__20211231_zoPdBY92PPa9" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Balance at beginning"><span style="font-family: Times New Roman, Times, Serif">3,348</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Addition to closure and post-closure asset</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_ecustom--AdditionToClosureAndPostClosureAsset_pn3n3_c20210101__20211231_zG8DLRDXoEjk" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Addition to closure and post-closure asset"><span style="font-family: Times New Roman, Times, Serif">478</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Amortization of closure
    and post-closure asset</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_ecustom--AmortizationOfClosureAndPostClosureAsset_pn3n3_c20210101__20211231_zCMXgVuijnbb" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Amortization of closure and post-closure asset"><span style="font-family: Times New Roman, Times, Serif">(250</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_ecustom--ClosureAndPostClosureAssets_iE_pn3n3_c20210101__20211231_zHe4ZSN8G5l3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Balance at end"><span style="font-family: Times New Roman, Times, Serif">3,576</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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<p id="xdx_8A0_zC8oYnPIMPhb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 103.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
addition to ARO reflects closure obligations related to our EWOC facility as discussed above.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for an asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -URI http://asc.fasb.org/subtopic&amp;trid=2175671<br></p></div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374708879096">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>INCOME TAXES<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureAbstract', window );"><strong>Income Tax Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureTextBlock', window );">INCOME TAXES</a></td>
<td class="text"><p id="xdx_808_eus-gaap--IncomeTaxDisclosureTextBlock_z3XyZx2geNQe" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
13</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_827_zZos7IA6sYih">INCOME
TAXES</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p id="xdx_898_eus-gaap--ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_zvsjIlEBQbbf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
components of (loss) income before income tax benefits by jurisdiction for continuing operations for the years ended December 31, consisted
of the following (in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;<span id="xdx_8B1_z8QCcgCCTk2g" style="display: none">SCHEDULE
OF INCOME (LOSS) BEFORE INCOME TAX (BENEFIT) EXPENSE</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 80%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">United States</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__srt--StatementGeographicalAxis__country--US_zGFg6g5xDy0g" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Income before tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif">(1,733</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_981_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__srt--StatementGeographicalAxis__country--US_z8kUTdXTHDi9" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Income before tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif">4,778</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Canada</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__srt--StatementGeographicalAxis__country--CA_znqFkBs5JwUh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif">(1,880</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_986_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__srt--StatementGeographicalAxis__country--CA_zBFRLNqXU3Wb" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif">(1,391</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">United Kingdom</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__srt--StatementGeographicalAxis__country--GB_zV4nGC5behm4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif">(246</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98B_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__srt--StatementGeographicalAxis__country--GB_zgPqCru2Oj0d" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif">(121</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Poland</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_981_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__srt--StatementGeographicalAxis__country--PL_zeC45FbHzto6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif">1,061</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__srt--StatementGeographicalAxis__country--PL_z5CLUQovfaHg" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif">(306</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total
    (loss) income before tax benefit</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231_zM8d9HGkK8Rb" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif">(2,798</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231_zBIsK134kNJh" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif">2,960</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p id="xdx_8A9_zz2TyxSaBrW5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_899_eus-gaap--ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_zjgrXWTTAPT5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
components of current and deferred federal and state income tax (benefits) expense for continuing operations for the years ended December
31, consisted of the following (in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;<span id="xdx_8BB_zL1pIL7VOJJ1" style="display: none">SCHEDULE
OF COMPONENTS OF INCOME TAX (BENEFIT) EXPENSE</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 80%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_499_20210101__20211231_z5QIJ2i5PFO4" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_491_20200101__20201231_zlbUVkbWcMW9" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_eus-gaap--DeferredFederalIncomeTaxExpenseBenefit_pn3n3_zsrgaHC9qaV2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Federal income tax (benefit) expense
    - deferred</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(3,503</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">4</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_eus-gaap--CurrentStateAndLocalTaxExpenseBenefit_pn3n3_zdZ0Y7298T8h" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">State income tax benefit - current</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(56</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(70</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_40C_eus-gaap--ForeignIncomeTaxExpenseBenefitContinuingOperations_pn3n3_zIntjL4Bda7f" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Foreign income tax expense - current</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">26</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1826">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_403_eus-gaap--DeferredStateAndLocalIncomeTaxExpenseBenefit_pn3n3_zB9t1H7tTJQf" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">State income tax benefit
    - deferred</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(357</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(123</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_40E_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_zzX5Lim6l7zi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total
    income tax benefit</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(3,890</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(189</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  </table>

<p id="xdx_8AE_zzn13A20mFG6" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p id="xdx_89B_eus-gaap--ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_zCb7zltXSXNe" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">An
overall reconciliation between the expected tax benefit using the federal statutory rate of 21% for each of the years ended 2021 and
2020 and the benefit for income taxes from continuing operations as reported in the accompanying Consolidated Statement of Operations
is provided below (in thousands).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;<span id="xdx_8B1_z4chcFeUeSO7" style="display: none">SCHEDULE
OF EFFECTIVE INCOME TAX RATE RECONCILIATION</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 90%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_490_20210101__20211231_zBDETspWTGzg" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49C_20200101__20201231_zWuGxaVJicEk" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40B_eus-gaap--IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_pn3n3_zSPU08tKvhZd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Federal tax (benefit) expense at
    statutory rate</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(588</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">622</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_eus-gaap--IncomeTaxReconciliationStateAndLocalIncomeTaxes_pn3n3_z13WyOPJ84X6" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">State tax benefit, net of federal benefit</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(412</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(192</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_401_ecustom--IncomeTaxReconciliationChangeInDeferredTaxAssets_pn3n3_zGqdAG78N0u2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Change in deferred tax rates</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(93</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(71</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_407_eus-gaap--IncomeTaxReconciliationNondeductibleExpense_pn3n3_z3Mg1GMQ2Eyi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Permanent items</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">62</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">126</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_ecustom--PppLoanForgiveness_pn3n3_zXrlm9ROXiz2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">PPP Loan forgiveness</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(1,130</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1849">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40F_ecustom--DebtForgivenessPFMPoland_pn3n3_zvMA3RFW1Qg5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Debt forgiveness (PFM Poland)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(518</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1852">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_409_eus-gaap--IncomeTaxReconciliationForeignIncomeTaxRateDifferential_pn3n3_zJpxelkBLd3f" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Difference in foreign rate</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(135</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(68</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_401_ecustom--TrueupOfDeferredTaxItems_pn3n3_zPvAQgWc1csj" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">True-up of deferred tax items</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,058</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(256</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_405_eus-gaap--IncomeTaxReconciliationOtherAdjustments_pn3n3_zvRUUeuMyuCi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">117</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_pn3n3_zXgfKO4hfFR4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Decrease in valuation
    allowance</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(2,127</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(467</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_409_eus-gaap--IncomeTaxExpenseBenefit_iT_pn3n3_zYQGGgtxOOgd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Income tax benefit</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(3,890</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(189</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  </table>

<p id="xdx_8A3_z4Figi4eY7Jl" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">During
the fourth quarter of 2021, the Company sold PFM Poland resulting from its decision to cease all R&amp;D activities under its Medical
Segment. Prior to the sale, the Company purchased Perma-Fix Medical LLC which was converted from PFMC, a wholly-owned subsidiary of PFM
Poland. Perma-Fix Medical LLC was treated as a disregarded entity for tax purposes, resulting in a realized tax loss of $<span id="xdx_90F_eus-gaap--IncomeTaxExpenseBenefit_c20211001__20211231__us-gaap--TypeOfArrangementAxis__custom--PFMPolandMember_zDmcDAHuswK5" title="Income Tax Expense (Benefit)">2,466,000</span> from
uncollected payables. As a condition of the sale of PFM Poland, the Company forgave its receivables from PFM Poland resulting in a $<span id="xdx_908_eus-gaap--GainOrLossOnSaleOfStockInSubsidiary_c20210101__20211231__us-gaap--TypeOfArrangementAxis__custom--PFMPolandMember_zSZR5M6r0teh" title="Gain (loss) on sale of stock in subsidiary">3,089,000</span>
capital loss on the sale of <span id="xdx_90D_ecustom--SalesOfInterestPercentage_dp_c20211001__20211231__us-gaap--TypeOfArrangementAxis__custom--PFMPolandMember_zhmcyMT5Sem4" title="Sales Of Interest Percentage.">100</span>% interest of PFM Poland stock (see &#8220;Note 14 &#8211; PF Medical for a discussion on the sale of
PFM Poland).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company regularly assesses the likelihood that the deferred tax asset will be recovered from future taxable income. The Company considers
projected future taxable income and ongoing tax planning strategies, then records a valuation allowance to reduce the carrying value
of the net deferred income taxes to an amount that is more likely than not to be realized. For the year ended December 31, 2020, the
Company maintained a full valuation allowance against net deferred income tax assets because insufficient evidence existed to support
the realization of any future income tax benefits. Since the end of the second quarter of 2021, however, the Company entered into a number
of new contracts awarded to the Company&#8217;s Services Segment (including a contract award with a value of approximately $<span id="xdx_904_ecustom--DecommissioningValue_c20210101__20211231_zVlfzMmKaLc">40,000,000
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">for the decommissioning of a navy ship). As a
result of these new contracts, the Company expected future profitability and improved overall prospects of future business.
As such, as of September 30, 2021, the Company determined that it was more likely than not that it would be able to realize
a portion of the deferred income tax assets. As a result, a deferred income tax benefit in the amount of approximately $<span id="xdx_90A_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_c20210701__20210930_zrbLeHYCR9T">2,351,000
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">attributable to the valuation allowance release
on beginning of year deferred tax assets primarily related to U.S. Federal income taxes was realized in the three months ended September
30, 2021. The Company continues to maintain a valuation allowance against certain state and foreign tax attributes that may not be realizable
along with the capital loss carryover generated during 2021 that it does not expect to realize.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
global intangible low-taxed income (&#8220;GILTI&#8221;) provisions under the Tax Cuts and Jobs Act of 2017 (the &#8220;TCJA&#8221;)
require the Company to include in its U.S. income tax return foreign subsidiary earnings in excess of an allowable return on the foreign
subsidiary&#8217;s tangible assets. The Company has elected to account for GILTI tax in the period in which it is incurred, and therefore
has not provided any deferred tax impacts of GILTI in its consolidated financial statements for the years ended December 31, 2021 and
2020. As the Canada and United Kingdom foreign subsidiaries are in loss positions for 2021, no GILTI inclusion is expected for these
entities for the current year. In addition, the aforementioned sale of PFM Poland is not expected to result in any GILTI inclusion.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
March 27, 2020, the CARES Act was enacted and signed into law. The CARES Act included a number of income tax law changes, including modifications
to the interest limitation under Internal Revenue Code (&#8220;IRC&#8221;) &#167;163(j) and reinstatement of the ability to carry back
net operating losses. On July 1, 2021, the Company received forgiveness of its PPP Loan which is included in its Consolidated Statement
of Operations as &#8220;Gain on extinguishment of debt&#8221; but is exempt from income taxes.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p id="xdx_893_eus-gaap--ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_zER9EJTuuAEd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company had temporary differences and net operating loss carry forwards from both our continuing and discontinued operations, which gave
rise to deferred tax assets and liabilities at December 31, 2021 and 2020 as follows (in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;<span id="xdx_8BE_zEh05S3E8iW8" style="display: none">SCHEDULE
OF DEFERRED TAX ASSETS AND LIABILITIES</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif"/></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_494_20211231_z0lqxuRPOPEg" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49A_20201231_zIZjeckP5Haa" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif">Deferred tax assets:</td><td style="font-family: Times New Roman, Times, Serif">&#160;</td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center">&#160;</td><td style="font-family: Times New Roman, Times, Serif">&#160;</td><td style="font-family: Times New Roman, Times, Serif">&#160;</td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center">&#160;</td><td style="font-family: Times New Roman, Times, Serif">&#160;</td></tr>
  <tr id="xdx_406_eus-gaap--DeferredTaxAssetsOperatingLossCarryforwards_iI_pn3n3_maDTAGzsp1_zH8W7avaAmp4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Net operating
    losses</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10,057</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">8,662</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40F_eus-gaap--DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals_iI_pn3n3_maDTAGzsp1_zfBMa0baPK" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Environmental and closure
    reserves</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,040</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,839</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_402_ecustom--DeferredTaxAssetsLeaseLiability_iI_pn3n3_maDTAGzsp1_zuOIdnuGG2Z" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Lease liability</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">575</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">642</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_405_ecustom--CapitalLossCarryforward_iI_pn3n3_maDTAGzsp1_zr2ynlsxcA46" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Capital loss carryforward</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">740</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1889">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_eus-gaap--DeferredTaxAssetsOther_iI_pn3n3_maDTAGzsp1_zwGtPLq6kdX" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif">Other</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,099</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,734</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Deferred tax liabilities:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_eus-gaap--DeferredTaxLiabilitiesPropertyPlantAndEquipment_iNI_pn3n3_di_msDTAGzsp1_zlWtBMILDYpd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(104</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(209</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_402_eus-gaap--DeferredTaxLiabilitiesPrepaidExpenses_iNI_pn3n3_di_msDTAGzsp1_zlNlCADUmxx8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(22</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
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<p id="xdx_8A7_zP0rb2PwHcsg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company has estimated net operating loss carryforwards (&#8220;NOLs&#8221;) for federal and state income tax purposes of approximately
$<span id="xdx_907_eus-gaap--OperatingLossCarryforwards_iI_c20211231__us-gaap--IncomeTaxAuthorityAxis__us-gaap--DomesticCountryMember_zuEyyHJyLun3">19,920,000
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">and $<span id="xdx_905_eus-gaap--OperatingLossCarryforwards_iI_c20211231__us-gaap--IncomeTaxAuthorityAxis__us-gaap--StateAndLocalJurisdictionMember_zTICc6bwNlwl">72,767,000</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">,
respectively, as of December 31, 2021. These NOLs can be carried forward and applied against future taxable income, if any, and <span id="xdx_90F_ecustom--IncomeTaxExpirationDescription_c20210101__20211231_zpeq1enFN6tb">expire
in various amounts starting in 2021</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">. Approximately
$<span id="xdx_90F_eus-gaap--DeferredTaxAssetsOperatingLossCarryforwards_iI_c20211231__us-gaap--IncomeTaxAuthorityAxis__us-gaap--DomesticCountryMember_zlq62vpX1sqe">19,725,000
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">of our federal NOLs were generated after
December 31, 2017 and thus do not expire.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
tax years 2018 through 2020 remain open to examination by taxing authorities in the jurisdictions in which the Company operates.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90A_eus-gaap--UnrecognizedTaxBenefits_iI_do_c20211231_zadA3TAXVKmj" title="Uncertain tax positions">No</span>
uncertain tax positions were identified by the Company for the years currently open under statute of limitations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company had <span id="xdx_906_eus-gaap--FederalIncomeTaxExpenseBenefitContinuingOperations_do_c20210101__20211231_zCnljGmhBmo9" title="Federal income tax payable"><span id="xdx_90E_eus-gaap--FederalIncomeTaxExpenseBenefitContinuingOperations_do_c20200101__20201231_zd1oW21ieGEe" title="Federal income tax payable">no</span></span> federal income tax payable for the years ended December 31, 2021 and 2020.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.</p></div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374708944632">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>PF MEDICAL<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DisclosurePfMedicalAbstract', window );"><strong>Pf Medical</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_PFMedicalTextBlock', window );">PF MEDICAL</a></td>
<td class="text"><p id="xdx_80D_ecustom--PFMedicalTextBlock_zMTF0DCNVESd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
14</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_82F_zVG07sdF17Sb">PF
MEDICAL</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"/><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
                                            previously disclosed, the Company made the strategic decision during the fourth quarter to
                                            cease all R&amp;D activities under its Medical Segment. The Medical Segment conducted its
                                            activities through the Company&#8217;s majority-owned Polish subsidiary, PFM Poland and PFM
                                            Poland&#8217;s wholly-owned subsidiary PFMC, a Delaware corporation. On December 30, 2021,
                                            the Company entered into a Sales of Shares Agreement (the &#8220;sales agreement&#8221;)
                                            for its entire stock ownership (<span id="xdx_901_eus-gaap--EquityMethodInvestmentOwnershipPercentage_iI_dp_c20211230__us-gaap--TypeOfArrangementAxis__custom--SalesAgreementMember_ziJGTeb3TUE6">60.54%</span>) of PFM Poland for notes receivable of approximately
                                            $<span id="xdx_90E_eus-gaap--NotesReceivableNet_iI_c20211230__us-gaap--TypeOfArrangementAxis__custom--SalesAgreementMember_z6IeUSUHUch6" title="Notes receivable, amount">47,000</span> (USD). The notes receivable will be paid to the Company by the buyer on the earlier
                                            of either twelve months from the closing date or within three days of a resale of the shares
                                            by the buyer. As condition precedent to the sales agreement, the Company released PFM Poland
                                            from unsatisfied trade payables owed by PFM Poland to the Company totaling approximately
                                            $<span id="xdx_903_eus-gaap--AccountsPayableTradeCurrent_iI_c20211230__us-gaap--TypeOfArrangementAxis__custom--SalesAgreementMember_z8eLShdRHTVb" title="Trade payables">2,537,000</span> (USD). The Company will have no continuing involvement with PFM Poland other than
                                            administrative requirements, as applicable, through the completion of PFM Poland&#8217;s
                                            2021 Polish year-end financial audit, which is expected to be completed in late May 2022.</span></p>



<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Immediately before the sales agreement was executed,
the Company converted PFMC from a S Corporation to a limited liability company (Perm-Fix Medical LLC or &#8220;PFM LLC&#8221;) and acquired
the entire ownership from the majority-owned Polish subsidiary for $<span id="xdx_900_ecustom--AcquiredPrice_iI_pid_c20211231__us-gaap--TypeOfArrangementAxis__custom--SalesAgreementMember_zc9NcJBPbIuc" title="Acquired price">10</span>. The transaction was deemed to be a common control transaction
and all assets and liabilities were transferred using the historical carrying values in accordance with guidance in ASC 805-50-25, &#8220;Business
Combinations, Related Issues, Recognition.&#8221; The carrying amount of the non-controlling interest was adjusted to reflect the change
in the ownership of the subsidiary. As a result, approximately $<span id="xdx_90C_eus-gaap--MinorityInterest_iI_pid_c20211231__us-gaap--TypeOfArrangementAxis__custom--SalesAgreementMember_zttibWkr6d0f" title="non-controlling interest">1,004,000</span> of the non-controlling interest related to the cumulative loss
of PFM LLC was recognized as additional paid-in capital on the Company&#8217;s Consolidated Statements of Stockholders&#8217; Equity and
approximately $<span id="xdx_90E_eus-gaap--DeconsolidationGainOrLossAmount_iN_di_c20210101__20211231__us-gaap--TypeOfArrangementAxis__custom--SalesAgreementMember_zMJ8nyQ4vxr6" title="Loss on deconsolidation of subsidiary (Note 14)">902,000</span> was recognized as a component within &#8220;Loss on deconsolidation of subsidiary&#8221; recorded on the Company&#8217;s
Consolidated Statement of Operations.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">As a result, effective December 30, 2021, PFM Poland
was no longer a subsidiary of the Company and the Company deconsolidated the entity from its consolidated financial statements in accordance
with guidance in ASC 810-10-40, &#8220;Consolidation, Overall, Derecognition.<i>&#8221; </i>Accordingly, the Company&#8217;s Consolidated
Balance Sheet at December 31, 2020, as reported, includes the consolidated assets and liabilities after intercompany eliminations for
PFM Poland. However, the December 31, 2021 Consolidated Balance Sheet does not in include balances due to the sale and deconsolidation
of PFM Poland. In addition, the Company&#8217;s Consolidated Statements of Operations include results of its majority-owned Polish subsidiary
for the period through December 30, 2021.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The Company recognized a non-cash &#8220;Loss on deconsolidation
of subsidiary&#8221; of approximately $<span id="xdx_908_eus-gaap--DeconsolidationGainOrLossAmount_iN_di_c20210101__20211231_zqDILKLIUAG9" title="Loss on deconsolidation of subsidiary (Note 14)">1,062,000</span> on its Consolidated Statements of Operation from the above transaction. The loss included
approximately $<span id="xdx_90F_ecustom--TransactionCosts_c20210101__20211231_zGJ2XtbwYxod" title="Legal and accounting costs">94,000</span> in legal and accounting costs incurred for the transaction.</p>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/></p>

<p id="xdx_892_ecustom--ScheduleOfLossOnDeconsolidationTableTextBlock_zDwWYHUMlQA8" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B9_zt7fXTiWDGUi" style="display: none">SCHEDULE
OF LOSS ON DECONSOLIDATION</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 70%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(In thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_498_20210101__20211231_z1glkPOa4I7f" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_400_ecustom--NoteReceivableConsiderationReceived_pn3n3_zB5FOiYdf7Ec" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 78%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Note receivable consideration received</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 18%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">47</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Less:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_401_ecustom--CarryingAmountOfNoncontrollingInterest_pn3n3_z3cVEj7zvZE4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Carrying amount of non-controlling interest</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">902</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_ecustom--CarryingAmountOfAccumulatedOtherComprehensiveLoss_pn3n3_zQhGiMTUqJG8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Carrying amount of accumulated other comprehensive
    loss</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">148</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_409_ecustom--NetLiabilities_pn3n3_z1oRLAhEkJr1" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Net liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(35</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_406_ecustom--TransactionCosts_pn3n3_zrIiGtkztEBa" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Transaction costs</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">94</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_405_eus-gaap--DeconsolidationGainOrLossAmount_pn3n3_z8gq24KRfIbf" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Loss on deconsolidation
    of subsidiary</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(1,062</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 58.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<span></span>
</td>
</tr>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DisclosurePfMedicalAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Entire disclosure on deconsolidation of a subsidiary.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374708966008">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>COMMITMENTS AND CONTINGENCIES<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommitmentsAndContingenciesDisclosureAbstract', window );"><strong>Commitments and Contingencies Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock', window );">COMMITMENTS AND CONTINGENCIES</a></td>
<td class="text"><p id="xdx_802_eus-gaap--CommitmentsAndContingenciesDisclosureTextBlock_zA2XW9sgKNwj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
15</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_82C_z0iE3z1dpZA8">COMMITMENTS
AND CONTINGENCIES</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Hazardous
Waste</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
connection with our waste management services, the Company processes both hazardous and non-hazardous waste, which we transport to our
own, or other, facilities for destruction or disposal. As a result of disposing of hazardous substances, in the event any cleanup is
required at the disposal site, the Company could be a potentially responsible party for the costs of the cleanup notwithstanding any
absence of fault on our part.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Legal
Matters</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
the normal course of conducting our business, we are involved in various litigation. We are not a party to any litigation or governmental
proceeding which our management believes could result in any judgments or fines against us that could would have a material adverse effect
on our financial position, liquidity or results of future operations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Tetra
Tech EC, Inc. (&#8220;Tetra Tech&#8221;)</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">During
July 2020, Tetra Tech EC, Inc. (&#8220;Tetra Tech&#8221;) filed a complaint in the United States District Court for the Northern District
of California (the &#8220;Court&#8221;) against CH2M Hill, Inc. (&#8220;CH2M&#8221;) and four subcontractors of CH2M, including the Company
(&#8220;Defendants&#8221;). The complaint alleges various claims, including a claim for negligence, negligent misrepresentation, equitable
indemnification and related business claims against all defendants related to alleged damages suffered by Tetra Tech in respect of certain
draft reports prepared by defendants at the request of the U.S. Navy as part of an investigation and review of certain whistleblower
complaints about Tetra Tech&#8217;s environmental restoration at the Hunter&#8217;s Point Naval Shipyard in San Francisco.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">CH2M
was hired by the Navy in 2016 to review Tetra Tech&#8217;s work. CH2M subcontracted with environmental consulting and cleanup firms Battelle
Memorial Institute, Cabrera Services, Inc., SC&amp;A, Inc. and the Company to assist with the review, according to the complaint.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
insurance carrier is providing a defense on our behalf in connection with this lawsuit, subject to a $<span id="xdx_908_ecustom--SelfinsuredRetention_c20210101__20211231_zcLMRIWOgLY5" title="Self-insured retention">100,000</span> self-insured retention
and the terms and limitations contained in the insurance policy.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
January 7, 2021, Defendants&#8217; motion to dismiss the complaint in its entirety was granted without prejudice, with leave to amend.
Tetra Tech subsequently filed a First Amended Complaint (&#8220;FAC&#8221;) and Defendants filed a motion to dismiss Tetra Tech&#8217;s
FAC. Tetra Tech filed an opposition to Defendant&#8217;s motion to dismiss Tetra Tech&#8217;s FAC. Defendants, subsequently filed a joint
reply to Tetra Tech&#8217;s motion in opposition. On January 27, 2022 a decision and Order on Defendants&#8217; motion to dismiss was
issued by the Court, which dismissed some claims, allowed for the potential amendment of other claims and declined to dismiss other claims
at this time. The Company continues to believe it does not have any liability to Tetra Tech.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>PF
Canada</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">During
the fourth quarter of 2021, PF Canada received a Notice of Termination (&#8220;NOT&#8221;) from Canadian Nuclear Laboratories, LTD. (&#8220;CNL&#8221;)
on a Task Order Agreement (&#8220;TOA&#8221;) that PF Canada entered into with CNL in May 2019 for remediation work within Ontario, Canada
(&#8220;Agreement&#8221;). The NOT was received after work under the TOA was substantially completed. CNL may terminate the TOA at any
time for convenience. As of December 31, 2021, PF Canada has approximately $<span id="xdx_90D_ecustom--UnpaidReceivablesAndUnbilledCosts_c20210101__20211231__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--CanadianNuclearLaboratoriesLTDMember_zu0kI2PrQ2yi">2,640,000
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">in unpaid receivables and unbilled costs
due from CNL as a result of work performed under the TOA. Additionally, CNL has approximately $<span id="xdx_905_eus-gaap--AccountsReceivableNetCurrent_iI_c20211231__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--CanadianNuclearLaboratoriesLTDMember_zAuCwvghHwyb">871,000
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">in contractual holdback under the TOA that is
payable to PF Canada. CNL also established a bond securing approximately $<span id="xdx_909_ecustom--BondSecuringAmount_uCAD_c20210101__20211231__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--CanadianNuclearLaboratoriesLTDMember_zTySEJPemNag">1,900,000
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(CAD) to cover certain issue raised in connection
with the TOA. Under the TOA, CNL may be entitled to set off certain costs and expenses incurred by CNL in connection with the termination
of the TOA, including the bond as discussed above, against amounts owed to PF Canada for work performed by PF Canada or its
subcontractors. PF Canada continues to be in discussions with CNL to finalize the amounts due to PF Canada under the TOA and continues
to believes these amounts are due and payable.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Insurance</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company has a <span id="xdx_90C_ecustom--PeriodOfFiniteRiskInsurancePolicy_dtY_c20030601__20030630__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember_zkElzPqhCd3f" title="Period of finite risk insurance policy">25</span>-year finite risk insurance policy entered into in June 2003 (&#8220;2003 Closure Policy&#8221;) with AIG which provides
financial assurance to the applicable states for our permitted facilities in the event of unforeseen closure. The 2003 Closure Policy,
as amended, provides for a maximum allowable coverage of $<span id="xdx_904_ecustom--MaximumAllowableCoverageOfInsurancePolicy_iI_pp0p0_c20211231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember_zryOQhqPM852" title="Maximum allowable coverage of insurance policy">28,177,000</span> which includes available capacity to allow for annual inflation
and other performance and surety bond requirements. Total coverage under the 2003 Closure Policy, as amended, was $<span id="xdx_90E_ecustom--CoverageAmountUnderPolicy_iI_pp0p0_c20211231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember_z3WAU0UQFDZ4" title="Coverage amount under the policy">20,403,000</span> at December
31, 2021. At December 31, 2021 and December 31, 2020, finite risk sinking funds contributed by the Company related to the 2003 Closure
Policy which is included in other long term assets on the accompanying Consolidated Balance Sheets totaled $<span id="xdx_906_eus-gaap--RestrictedCashNoncurrent_iI_pid_c20211231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember__us-gaap--TypeOfArrangementAxis__custom--ThousandandThreeClosurePolicyMember_zO2uZ12hSLk" title="Finite risk sinking fund (restricted cash)">11,471,000</span> and $<span id="xdx_905_eus-gaap--RestrictedCashNoncurrent_iI_c20201231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember__us-gaap--TypeOfArrangementAxis__custom--ThousandandThreeClosurePolicyMember_zwwOOH3pCXTk" title="Finite risk sinking fund (restricted cash)">11,446,000</span>,
respectively, which included interest earned of $<span id="xdx_90A_eus-gaap--InterestIncomeOther_pp0p0_c20210101__20211231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember__us-gaap--TypeOfArrangementAxis__custom--ThousandandThreeClosurePolicyMember_zF5TiJ34hD5l" title="Interest income">2,000,000</span> and $<span id="xdx_90A_eus-gaap--InterestIncomeOther_pp0p0_c20200101__20201231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember__us-gaap--TypeOfArrangementAxis__custom--ThousandandThreeClosurePolicyMember_zpu4Gf3DCirf" title="Interest income">1,975,000</span> on the finite risk sinking funds as of December 31, 2021 and
December 31, 2020, respectively. Interest income for the year ended 2021 and 2020 was approximately $<span id="xdx_908_eus-gaap--InterestIncomeOther_pp0p0_c20210101__20211231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember_zPhZ9uEeNvU6" title="Interest income">25,000</span> and $<span id="xdx_90E_eus-gaap--InterestIncomeOther_pp0p0_c20200101__20201231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember_z2zgVatDLNv" title="Interest income">139,000</span>, respectively.
If the Company so elects, AIG is obligated to pay us an amount equal to <span id="xdx_907_ecustom--InsurersObligationToEntityOnTerminationOfContract_iI_pid_dp_uPure_c20211231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember_z5wGZ1Su8TAk" title="Insurers obligation to entity on termination of contract">100%</span> of the finite risk sinking fund account balance in return
for complete release of liability from both us and any applicable regulatory agency using this policy as an instrument to comply with
financial assurance requirements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Letter
of Credits and Bonding Requirements</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">From
time to time, the Company is required to post standby letters of credit and various bonds to support contractual obligations to customers
and other obligations, including facility closures. At December 31, 2021, the total amount of standby letters of credit outstanding was
approximately $<span id="xdx_900_eus-gaap--LettersOfCreditOutstandingAmount_iI_pp0p0_c20211231_zZql2MImX08" title="Letters of credit outstanding, amount">3,020,000</span> and the total amount of bonds outstanding was approximately $<span id="xdx_90B_ecustom--BondOutstanding_iI_pp0p0_c20211231_zM8xweWeTey2" title="Bond outstanding">50,109,000</span>.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for commitments and contingencies.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -URI http://asc.fasb.org/topic&amp;trid=2127136<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -URI http://asc.fasb.org/topic&amp;trid=2144648<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 954<br> -SubTopic 440<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6491277&amp;loc=d3e6429-115629<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123406679&amp;loc=d3e25336-109308<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123406679&amp;loc=d3e25336-109308<br></p></div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374708884424">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>PROFIT SHARING PLAN<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
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<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock', window );">PROFIT SHARING PLAN</a></td>
<td class="text"><p id="xdx_806_eus-gaap--PensionAndOtherPostretirementBenefitsDisclosureTextBlock_z07Gb5yuS81a" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
16</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_826_zzEUTCPZDm5a">PROFIT
SHARING PLAN</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company adopted a 401(k) Plan in 1992, which is intended to comply with Section 401 of the Internal Revenue Code and the provisions of
the Employee Retirement Income Security Act of 1974. All full-time employees who have attained the age of <span id="xdx_909_ecustom--MinimumAgeForFullTimeEmployeesToParticipateInPlan_uInteger_c20210101__20211231_zY064u4BUiQ2" title="Minimum age for full time employees to participate in plan">18</span> are eligible to participate
in the 401(k) Plan. Eligibility is immediate upon employment but enrollment is only allowed during <span id="xdx_902_ecustom--NumberOfQuarterlyOpenPeriodsForEnrollment_dc_uInteger_c20210101__20211231_zC1eJCgl5f1j" title="Number of quarterly open periods for enrollment">four</span> quarterly open periods of January
1, April 1, July 1, and October 1. Participating employees may make annual pretax contributions to their accounts up to <span id="xdx_908_eus-gaap--DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_pid_dp_uPure_c20210101__20211231_zXvsbDdnKQmi" title="Defined contribution plan, maximum annual contributions per employee, percent">100%</span> of their
compensation, up to a maximum amount as limited by law. The Company, at its discretion, may make matching contributions of <span id="xdx_90C_eus-gaap--DefinedContributionPlanEmployerMatchingContributionPercent_pid_dp_uPure_c20210101__20211231_zPHU09JRlOy1" title="Defined contribution plan, employer matching contribution, percent of employees' gross pay">25%</span> based
on the employee&#8217;s elective contributions. Company contributions vest over a period of <span id="xdx_901_ecustom--DefinedContributionPlanEmployersContributionVestingPeriod_dc_c20210101__20211231_z8zeyCNHCKTl" title="Defined contribution plan employers contribution vesting period">five years</span>. In 2021 and 2020, the Company
contributed approximately $<span id="xdx_90E_eus-gaap--DefinedContributionPlanEmployerDiscretionaryContributionAmount_c20210101__20211231_zj35SXlSzFQ4" title="Defined contribution plan, employer discretionary contribution amount">589,000</span> and $<span id="xdx_909_eus-gaap--DefinedContributionPlanEmployerDiscretionaryContributionAmount_c20200101__20201231_zlIBaywEXe8f" title="Defined contribution plan, employer discretionary contribution amount">594,000</span> in 401(k) matching funds, respectively.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<span></span>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for retirement benefits.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4179-114921<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section S99<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=21916913&amp;loc=d3e273930-122802<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(i)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (o)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (p)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 70<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=49170846&amp;loc=d3e28014-114942<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -URI http://asc.fasb.org/topic&amp;trid=2235017<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 60<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6414203&amp;loc=d3e39689-114964<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(iv)(03)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (q)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (r)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 12: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(iii)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 13: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (l)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 14: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (r)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374709353032">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>RELATED PARTY TRANSACTIONS<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionsAbstract', window );"><strong>Related Party Transactions [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionsDisclosureTextBlock', window );">RELATED PARTY TRANSACTIONS</a></td>
<td class="text"><p id="xdx_805_eus-gaap--RelatedPartyTransactionsDisclosureTextBlock_zvx9nSNs2sGi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
17</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_824_zRgbcJgJdPJk">RELATED
PARTY TRANSACTIONS</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>David
Centofanti</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">David
Centofanti serves as our Vice President of Information Systems. For such position, he received annual compensation of $<span id="xdx_908_eus-gaap--SalariesAndWages_pp0p0_c20210101__20211231__srt--TitleOfIndividualAxis__custom--VicePresidentOfInformationSystemsMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--DrDavidCentofantiMember_zCsL6jWDhgPd" title="Compensation">184,000</span> and $<span id="xdx_90A_eus-gaap--SalariesAndWages_pp0p0_c20200101__20201231__srt--TitleOfIndividualAxis__custom--VicePresidentOfInformationSystemsMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--DrDavidCentofantiMember_z57blPl3O82k" title="Compensation">181,000</span>
for 2021 and 2020, respectively. David Centofanti is the son of our EVP of Strategic Initiatives and a Board member.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Employment
Agreements</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company entered into an employment agreement dated July 22, 2020 with each of our executive officers (each employment agreement referred
to as &#8220;Employment Agreement&#8221;).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Each
Employment Agreement is effective for three years from July 22, 2020 (the &#8220;Initial Term&#8221;) unless earlier terminated by the
Company or by the executive officer. At the end of the Initial Term of each Employment Agreement, each Employment Agreement will automatically
be extended for one additional year, unless at least six months prior to the expiration of the Initial Term, we or the executive officer
provides written notice not to extend the terms of the Employment Agreement. Each Employment Agreement provides for annual base salary,
performance bonuses (as provided in the MIP as approved by our Compensation Committee and Board) and other benefits commonly found in
such agreement.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Pursuant
to each Employment Agreement, if the executive officer&#8217;s employment is terminated due to death/disability or for cause (as defined
in the agreement), the Company will pay to the executive officer or to his estate an amount equal to the sum of any unpaid base salary
and accrued unused vacation time through the date of termination and any benefits due to the executive officer under any employee benefit
plan (the &#8220;Accrued Amounts&#8221;) plus any performance compensation payable pursuant to the MIP with respect to the fiscal year
immediately preceding the date of termination.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">If
the executive officer terminates his employment for &#8220;good reason&#8221; (as defined in the agreement) or is terminated by us without
cause (including any such termination for &#8220;good reason&#8221; or without cause within 24 months after a Change in Control (as defined
in the agreement)), the Company will pay the executive officer the Accrued Amounts, two years of full base salary, and two times the
performance compensation (under the MIP) earned with respect to the fiscal year immediately preceding the date of termination provided
the performance compensation earned with respect to the fiscal year immediately preceding the date of termination has not been paid.
If performance compensation earned with respect to the fiscal year immediately preceding the date of termination has been made to the
executive officer, the executive officer will be paid an additional year of the performance compensation earned with respect to the fiscal
year immediately preceding the date of termination. If the executive terminates his employment for a reason other than for good reason,
the Company will pay to the executive an amount equal to the Accrued Amounts plus any performance compensation payable pursuant to the
MIP with respect to the fiscal year immediately preceding the date of termination.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">If
there is a Change in Control (as defined in the agreement), all outstanding stock options to purchase common stock held by the executive
officer will immediately become exercisable in full commencing on the date of termination through the original term of the options. In
the event of the death of an executive officer, all outstanding stock options to purchase common stock held by the executive officer
will immediately become exercisable in full commencing on the date of death, with such options exercisable for the lesser of the original
option term or twelve months from the date of the executive officer&#8217;s death. In the event an executive officer terminates his employment
for &#8220;good reason&#8221; or is terminated by the Company without cause, all outstanding stock options to purchase common stock held
by the executive officer will immediately become exercisable in full commencing on the date of termination, with such options exercisable
for the lesser of the original option term or within 60 days from the date of the executive&#8217;s date of termination. Severance benefits
payable with respect to a termination (other than Accrued Amounts) shall not be payable until the termination constitutes a &#8220;separation
from service&#8221; (as defined under Treasury Regulation Section 1.409A-1(h)).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>MIPs</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
January 21, 2021, the Compensation Committee and our Board approved individual MIP for the calendar year 2021 for each of our executive
officers. Each MIP is effective January 1, 2021 and applicable for year 2021. Each MIP provides guidelines for the calculation of annual
cash incentive-based compensation, subject to Compensation Committee oversight and modification. The performance compensation under each
of the MIPs is based upon meeting certain of the Company&#8217;s separate target objectives during 2021. Assuming each target objective
is achieved under the same performance threshold range under each MIP, the total potential target performance compensation payable ranged
from <span id="xdx_90D_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--CEOMember_zPxfLAKkcCkc" title="Compensation arrangement with individual, cash awards, minimum, percentage">5%</span> to <span id="xdx_907_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--CEOMember_zE0qRBIV7fnf" title="Compensation arrangement with individual, cash awards, maximum, percentage">150%</span> of the base salary for the CEO ($<span id="xdx_90B_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--CEOMember_zqlA4EUjyiRa" title="Compensation arrangement with individual, cash awards, minimum, amount">17,220</span> to $<span id="xdx_908_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--CEOMember_zszGJt7XeLFa" title="Compensation arrangement with individual, cash awards, maximum, amount">516,600</span>), <span id="xdx_907_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_zWnFkCiWMgB4" title="Compensation arrangement with individual, cash awards, minimum, percentage">5%</span> to <span id="xdx_90D_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_ziIUgKDTPxy7" title="Compensation arrangement with individual, cash awards, maximum, percentage">100%</span> of the base salary for the CFO ($<span id="xdx_90B_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_zP2rl9pnjFn4" title="Compensation arrangement with individual, cash awards, minimum, amount">14,000</span> to $<span id="xdx_907_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_z2yN3bwmkKQh" title="Compensation arrangement with individual, cash awards, maximum, amount">280,000</span>),
<span id="xdx_909_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_zEMbIUNmPeB1" title="Compensation arrangement with individual, cash awards, minimum, percentage">5%</span> to <span id="xdx_908_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_zPFpGxbuDQMc" title="Compensation arrangement with individual, cash awards, maximum, percentage">100%</span> of the base salary for the EVP of Strategic Initiatives ($<span id="xdx_90B_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_zluUS0BplaY9" title="Compensation arrangement with individual, cash awards, minimum, amount">11,667</span> to $<span id="xdx_903_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_zJUkg8i07rQ8" title="Compensation arrangement with individual, cash awards, maximum, amount">233,336</span>), <span id="xdx_90E_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zcdtTO0OgeD9" title="Compensation arrangement with individual, cash awards, minimum, percentage">5%</span> to <span id="xdx_905_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zpGbamLTnWw1" title="Compensation arrangement with individual, cash awards, maximum, percentage">100%</span> of the base salary for the EVP of
Nuclear and Technical Services ($<span id="xdx_902_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zx75wD35LwA4" title="Compensation arrangement with individual, cash awards, minimum, amount">14,000</span> to $<span id="xdx_908_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zNlKFlcNzUNk" title="Compensation arrangement with individual, cash awards, maximum, amount">280,000</span>) and <span id="xdx_905_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_zaaMmx48Q9Li" title="Compensation arrangement with individual, cash awards, minimum, percentage">5%</span> to <span id="xdx_906_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_z74Z63pleSxf" title="Compensation arrangement with individual, cash awards, maximum, percentage">100%</span> ($<span id="xdx_905_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_z76xWBcLNAAc" title="Compensation arrangement with individual, cash awards, minimum, amount">12,000</span> to $<span id="xdx_903_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_zUmAmmdUu1wj" title="Compensation arrangement with individual, cash awards, maximum, amount">240,000</span>) of the base salary for the EVP of Waste Treatment
Operations. No performance compensation was earned under any of the 2021 MIPs.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Board
Compensation</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
January 21, 2021, the Company&#8217;s Compensation Committee and the Board approved, effective January 1, 2021, the following revisions
to the annual compensation of each non-employee Board member for service on the Board and the Board Committee(s) for which the Board
member serves:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">each
    director is to be paid a quarterly fee of $<span id="xdx_903_ecustom--QuarterlyFee_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__srt--DirectorMember__srt--StatementScenarioAxis__custom--RevisedMember_znUxRO34kfh" title="Quarterly fee">11,500</span>, compared to the previous quarterly fee of $<span id="xdx_90B_ecustom--QuarterlyFee_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__srt--DirectorMember__srt--StatementScenarioAxis__custom--PriorToRevisionMember_zrhN44cm9Hx" title="Quarterly fee">8,000</span>;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">the
    Chairman of the Board is to be paid an additional quarterly fee of $<span id="xdx_90E_ecustom--QuarterlyFee_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ChairmanOfTheBoardMember__srt--StatementScenarioAxis__custom--RevisedMember_zCDZMahGry42" title="Quarterly fee">8,750</span>, compared to the Chairman&#8217;s previous additional quarterly
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  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
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    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">the
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    member of the Compensation Committee, the Nominating Committee, and the Strategic Committee is to receive a quarterly fee of $<span id="xdx_907_ecustom--CommitteeMemberFees_pp0p0_c20210120__20210121__us-gaap--TypeOfArrangementAxis__custom--CompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember_z0SN4rg7e2Y8" title="Committee member fees">500</span>.
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    Board.</span></td></tr>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_903_ecustom--BoardMeetingAttendanceDescription_c20210120__20210121__us-gaap--TypeOfArrangementAxis__custom--NonEmployeeBoardMemberMember_zGAZqoESSKk9" title="Board meeting attendance description">Each
non-employee Board member continues to receive $1,000 for each in-person board meeting attendance and a $<span id="xdx_904_ecustom--BoardAttendanceFees_pp0p0_c20210120__20210121__us-gaap--TypeOfArrangementAxis__custom--NonEmployeeBoardMemberMember_zExDOWLqjHOj">500</span> fee for meeting attendance
via conference call</span>. Reimbursements of expenses for attending meetings of the Board are paid in cash at the time of the applicable Board
meeting.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90A_ecustom--FeesPayableDescripton_c20210120__20210121__us-gaap--TypeOfArrangementAxis__custom--NonEmployeeDirectorMember__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember_z7asbzrGQNC9" title="Fees payable description">Each
non-employee director may continue to elect to have either 65% or 100% of such fees payable in Common Stock under the 2003 Plan, with
the balance, if any, payable in cash (see &#8220;Note 6 &#8211; Capital Stock, Stock Plans, Warrants, and Stock Based Compensation &#8211;
Stock Option Plans&#8221; for a discussion of the 2003 Plan)</span>.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<span></span>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374709337336">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SEGMENT REPORTING<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingAbstract', window );"><strong>Segment Reporting [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingDisclosureTextBlock', window );">SEGMENT REPORTING</a></td>
<td class="text"><p id="xdx_80F_eus-gaap--SegmentReportingDisclosureTextBlock_zpn9VGjUvb9e" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
18</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_827_zYpol1EamARf">SEGMENT
REPORTING</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
accordance with ASC 280, &#8220;Segment Reporting&#8221;, we define an operating segment as a business activity:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 408.75pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">from
    which we may earn revenue and incur expenses;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">whose
    operating results are regularly reviewed by the CODM to make decisions about resources to be allocated to the segment and assess
    its performance; and</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">for
    which discrete financial information is available.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">We
have <span id="xdx_903_eus-gaap--NumberOfReportableSegments_pid_dcp_uInteger_c20210101__20211231_zB2JBgTjsJuk" title="Number of reportable segments">three</span> reporting segments, which include Treatment and Services Segments, which are based on a service offering approach; and Medical,
whose primary purpose was the R&amp;D of a medical isotope production technology. The Medical Segment had not generated any revenues.
During December 2021, the Company made the strategic decision to cease all R&amp;D activities under the Medical Segment which resulted
in the sale of <span id="xdx_904_ecustom--SalePercentage_pid_dp_uPure_c20210101__20211231_z6Mvs3aaSCs3" title="Sale percentage">100%</span> of its interest of PFM Poland (see &#8220;Note 14 &#8211; PF Medical&#8221; for a discussion of this transaction).
Our reporting segments exclude our corporate headquarter, business center and our discontinued operations (see &#8220;Note 9 &#8211;
Discontinued Operations&#8221;) which do not generate revenues.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_89D_eus-gaap--ScheduleOfSegmentReportingInformationBySegmentTextBlock_gL3SOSRIBSTB-SOTSPE_z62Y5KkK9ZKi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
table below shows certain financial information of our reporting segments as of and for the years ended December 31, 2021 and 2020 (in
thousands).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span id="xdx_8B9_zQPhFvtIFFjl" style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">SCHEDULE OF SEGMENT REPORTING INFORMATION</span></p>

<p style="margin: 0; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Segment Reporting as of and for the
year ended December 31, 2021</b></span></p>



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<tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Treatment</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Services</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Medical</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Segments
    Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><span id="xdx_F5B_zWaLkXorX2la" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Corporate
    <sup>(2)</sup> </span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup/></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consolidated
    Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 36%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Revenue
    from external customers</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z9uzBFMOsGpg" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">32,992</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_989_ecustom--IntercompanyRevenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zHouQ3SJNGuj" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Intercompany revenues"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2104">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_981_ecustom--IntercompanyRevenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zB503YezoqAd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Intercompany revenues"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,312</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><p id="xdx_981_ecustom--IntercompanyRevenues_pn3n3_c20210101__20211231_zG6LHh0JW3wl" style="font: 8.5pt/107% Times New Roman, Times, Serif; margin: 0" title="Intercompany revenues"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl2110">&#8212;</span></span></p></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_eus-gaap--GrossProfit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zVsriOsvmEQ7" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">106</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98B_eus-gaap--GrossProfit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zoBRUkHbg1Xj" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">6,824</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Research
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_985_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z1gNvSmCtIN7" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">221</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_981_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z1CF5Szs0vy3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">71</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98A_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zu7Yk4OmNEL8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">414</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_988_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zvc1z0a0NaM5" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">706</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Segment
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98C_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zSzcwgKgi8Bk" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2236">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_988_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zIZpOb36v1yc" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,568</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98B_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zSiuZLFccFbe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">9</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231_fKDcp_z0irfybaEPQf" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,577</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F23_zsSsAuz9Yqz5">(7)</sup></span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total
    debt</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_984_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z5Ka5GMKQU07" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">25</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_985_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zdt82idfRTu4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">14</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98D_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zAcpX7r83yZb" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2248">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_980_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zsm9HZUgnlS9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">39</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_983_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z8xV15mXUBhf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">954</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_988_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231_fKDYp_zCrgdKoPcSxl" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">993</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F28_zEURqZ6fcbB3">(6)</sup></span></td></tr>
  </table>

<p style="margin: 0; font-family: Times New Roman, Times, Serif"/><p style="margin: 0; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="margin: 0; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Segment Reporting as of and for the
year ended December 31, 2020</b></span></p>



<p style="margin: 0; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>
<table cellpadding="0" cellspacing="0" style="font: 8.5pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Treatment</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Services</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Medical</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Segments
    Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><span id="xdx_F56_zSGkSuG4PBJg" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Corporate
    <sup>(2)</sup> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup/></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consolidated
    Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 36%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Revenue
    from external customers</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z4YfMtdPm659" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">30,143</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zfOcqrKRscIl" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">75,283</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="width: 1%; font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="width: 1%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_988_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zXLkRtiPogEg" style="width: 6%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Revenue from external customers"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2260">&#8212;</span></b></span></td><td style="width: 4%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_fKDMpKDQp_zeWBLF4U7fl9" style="font: 10pt Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">105,426
                                            </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 4%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F2D_zerWrp5lJPa1">(3)(4)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z79iAGS1RsW5" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl2264">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 4%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231_zSc7bNSpA6Od" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">105,426</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Intercompany
    revenues</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zhswloUZWBNd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Intercompany revenues"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,493</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_981_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zvGOx0YSEARe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Intercompany revenues"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">25</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98F_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zYhnVV0rQiGe" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Intercompany revenues"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2272">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98D_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zi43jqKoOsD3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Intercompany revenues"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,518</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_986_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231_ztBJ1Z5DnhWh" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Intercompany revenues"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2278">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Gross
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_984_eus-gaap--GrossProfit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zitlm7BkT76a" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">10,402</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_981_eus-gaap--GrossProfit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zEZhYuPb6i83" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Gross profit"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2284">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_987_eus-gaap--GrossProfit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zrCD821Vnxyi" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">15,893</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_989_eus-gaap--GrossProfit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zDwZUqSD7Cal" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Gross profit"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2288">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98F_eus-gaap--GrossProfit_pn3n3_c20200101__20201231_zPyIddH0cp4f" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">15,893</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Research
    and development</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_987_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zrkOn9BMwDci" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">243</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zYGc43KQdc9k" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">132</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_982_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zk3VC30Lf4G1" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">311</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_987_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zWciVPL1h86e" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">686</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98B_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z5NaR5Yq3UP4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">76</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_980_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231_zuv6421VPrI3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">762</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Interest
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98F_eus-gaap--InterestIncomeOther_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zXZQfuxRrqw6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest income"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_983_eus-gaap--InterestIncomeOther_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zGU8V3YE89si" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest income"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2306">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_eus-gaap--InterestIncomeOther_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zq4apid6EY4k" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest income"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2308">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_983_eus-gaap--InterestIncomeOther_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zaddKMJHnS5l" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Interest income"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_985_eus-gaap--InterestIncomeOther_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zqSSgtxHLrNg" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest income"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">139</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_981_eus-gaap--InterestIncomeOther_pn3n3_c20200101__20201231_z8VXk8CZWzT9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest income"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">140</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_982_eus-gaap--InterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zNYTrMO1yB3l" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(115</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_988_eus-gaap--InterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zUhzQsCMPet4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(27</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_eus-gaap--InterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zvXFrPh8WrRg" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest expense"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2320">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Interest
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Depreciation
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_983_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20200101__20201231_zRQf7DeI4ful" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(189</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Segment
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zSQTPrJqwE9h" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,758</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98A_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z24TAZJryqSl" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">7,820</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98C_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zVo3eGzhIzR" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(6,118</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20200101__20201231_zEp5VpT5RELg" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">3,149</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span id="xdx_F4F_zaw25Qa5dBO5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Segment
    assets<sup id="xdx_F25_z3hgv8Rdggrb">(1)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_983_eus-gaap--Assets_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_fKDEp_zyem7zbalnTa" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment assets"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">32,324</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_985_eus-gaap--Assets_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_fKDEpKDgp_zXPN8ZvB5Phc" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Segment assets"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">22,368</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F2E_zqoRAnyceaF3">(8)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_980_eus-gaap--Assets_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_fKDEp_zxcpProc7kO8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment assets"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">17</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98B_eus-gaap--Assets_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_fKDEp_zqqAO1vZXjWd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment assets"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">54,709</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_989_eus-gaap--Assets_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDEpKDIpKDUp_z2gP20mzfH98" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Segment assets"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">24,210
                                            </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F2F_zy9vGhDh0ejj">(5)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_985_eus-gaap--Assets_iI_pn3n3_c20201231_fKDEp_zWu0W7wFjR6a" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment assets"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">78,919</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expenditures
    for segment assets (net)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98C_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zhpHHa79zGu5" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,264</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_981_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zDZGbYeb7Qw1" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">451</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_982_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zIKQaKattGFb" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2404">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_989_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_ztjmTcrGECNk" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,715</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_984_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zEJXPk8ZilXl" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2408">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_987_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231_fKDcp_zvP711BaoZEk" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,715</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F29_z7RrU7ztbGk2">(7)</sup></span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total
    debt</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_987_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zZ3837AWyvgk" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2412">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_984_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z1hp8CrOXjyj" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">23</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_987_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zmahB1OlTyQa" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2416">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zUrnT4WbPuif" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">23</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98D_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zmry6TvaU6Ia" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">6,706</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_983_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231_fKDYp_zeSyXX6VCfka" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">6,729</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F27_zcdquH0N1OLa">(6)</sup></span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -0.5in"/><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -9pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt">
<tr style="vertical-align: top">
  <td style="text-align: left; padding-left: 0pt; text-indent: 0pt; width: 13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0A_zqle1JRt7FU8">(1)</sup></span></td>
  <td style="text-align: left; padding-left: 0pt; text-indent: 0pt"><span id="xdx_F1F_zpElVBqgz833" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Segment assets have been adjusted for intercompany accounts
to reflect actual assets for each segment.</span></td></tr>
</table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>&#160;</sup></span></p>

<table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt">
<tr style="vertical-align: top">
  <td style="text-align: left; padding-left: 0pt; text-indent: 0pt; width: 13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F01_zuaqdJ5qMs5a">(2)</sup></span></td>
  <td style="text-align: left; padding-left: 0pt; text-indent: 0pt"><span id="xdx_F1B_ziHDQavTfXef" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amounts reflect the activity for corporate headquarters not
included in the segment information.</span></td></tr>
</table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/></p>

<table cellpadding="0" cellspacing="0" style="width: 100%">
  <tr style="vertical-align: top">
    <td style="font: 11pt Calibri, Helvetica, Sans-Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sub id="xdx_F04_z9xl3ckMm6N6">(3)</sub></span></td>
    <td style="font: 11pt Calibri, Helvetica, Sans-Serif; text-align: justify"><span id="xdx_F1B_zw55YsKOxuej" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    Company performed services relating to waste generated by government clients (domestic and foreign (primarily Canadian)), either
    directly as a prime contractor or indirectly for others as a subcontractor to government entities, representing approximately <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_908_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pid_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember_zrNlgpKXyT8g" title="Net revenues">60,812,000</span>
    or <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_908_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember_z3BoNprriHDa" title="Concentration risk, percentage">84.2%</span>
    of total revenue for 2021 and <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pid_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember_z6dAUDyJrxd2" title="Net revenues">96,582,000</span>
    or <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember_zGAoZGR5xSP4" title="Concentration risk, percentage">91.6%</span>
    of total revenue for 2020. The following reflects such revenue generated by our two segments:</span></td></tr>
  </table>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0" summary="xdx: Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details)">
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0"/><td style="font: 10pt Times New Roman, Times, Serif; width: 13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F06_zvBpbpyXNhC2">(4)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F1B_zGIWMSE4spU9" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
                                            following table reflects revenue based on customer location:</span></td></tr>
</table>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0" summary="xdx: Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details)">
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td id="xdx_F07_zdt0MJua4YI3" style="font: 10pt Times New Roman, Times, Serif; width: 13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(5)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F12_zXnNmdiCSQtc" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amount
                                            includes assets from our discontinued operations of $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90C_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20211231_zMxArjQKn737" title="Assets of disposal group including discontinued operation including not held for sale">96,000</span> and $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_900_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20201231_zyIYQYgdGwXd" title="Assets of disposal group including discontinued operation including not held for sale">103,000</span> at December 31,
                                            2021 and 2020, respectively.</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td id="xdx_F04_zdl3HpsCC2Eg" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(6)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F1D_zWmISz6qCRfb" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Net
                                            of debt discount/debt issuance costs of ($<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_906_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20211231_zOUUwwU4N4La" title="Debt issuance costs">112,000</span>) and ($<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90F_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20201231_zqflA2cGoJya" title="Debt issuance costs">105,000</span>) for 2021 and 2020, respectively
                                            (see &#8220;Note 10 &#8211; &#8220;Long-Term Debt&#8221; for additional information).</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0A_zk5PVX0lT6z5">(7)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F1F_zrBcgh7PDF6k" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Net
                                            of financed amount of $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20210101__20211231_z27nqqcMuVg1" title="Financed portion amount in the purchase of capital expenditure">585,000</span> and $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90C_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20200101__20201231_zeM5sHuj1x03" title="Financed portion amount in the purchase of capital expenditure">883,000</span> for the year ended December 31, 2021 and 2020,
                                            respectively.</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0F_zEz4vAZyE3Ta">(8)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F1A_zBd2LGA38Jvh" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Includes
                                            long-lived asset (net) for our PF Canada, Inc. subsidiary of $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90D_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20211231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_zbjdNmwS4S87" title="Long-lived asset (net)">25,000</span> and $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_906_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20201231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_z668KDn1vrw8" title="Long-lived asset (net)">33,000</span> for the
                                            year ended December 31, 2021 and 2020, respectively.</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F05_zXISe2xh6Ee7">(9)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F15_zY94RjQGVGbh" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amount
                                            includes approximately $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pid_c20210101__20211231__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zBqzi4Gl24wf" title="Gain on extinguishment of debt">5,381,000</span> of &#8220;Gain on extinguishment of debt&#8221; recorded
                                            in connection with the Company&#8217;s PPP Loan which was forgiven by the SBA effective June
                                            15, 2021 (see &#8220;Note 10 &#8211; Long Term Debt &#8211; PPP Loan&#8221; for information
                                            of this loan forgiveness).</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td id="xdx_F0E_zUhiJfT0sTu7" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(10)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F10_zdLhZr9HSYGj" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Includes
                                            tax benefit recorded in amount of approximately $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_pid_c20210701__20210930_zPuvB5nPxMnc" title="Income tax benefit valuation allowance">2,351,000</span> resulting from release of valuation
                                            allowance on the Company&#8217;s deferred tax assets (see &#8220;Note 13 Income Taxes&#8221;
                                            for a discussion of this tax benefit).</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td id="xdx_F00_zlVrHas1itVj" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(11)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F1A_zEPzJQA1k2u3" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Includes
                                            elimination of gain/loss of $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_907_eus-gaap--DebtInstrumentDecreaseForgiveness_pid_c20210101__20211231_z5joKvpaezbj" title="Debt instrument, decrease, forgivenes">2,537,000</span> in debt forgiveness between PFM Poland and the Company
                                            (see &#8220;Note 14 &#8211; PF Medical for a discussion of this debt forgiveness.</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td id="xdx_F02_zuh36uNPNNO7" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(12)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F16_z9gBfUuKR9c5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amount
                                            includes a &#8220;Loss on deconsolidation of subsidiary&#8221; recorded in the amount of
                                            approximately $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--DeconsolidationGainOrLossAmount_iN_pip0_di_c20210101__20211231_zi540Q0xidPi" title="Deconsolidation, gain  (Loss),  amount">1,062,000</span> resulting from the sale of PFM Poland (see &#8220;Note 14 &#8211;
                                            PF Medical for a discussion of this loss).</span></td></tr>
</table>

<p style="margin-top: 0; margin-bottom: 0"/>
<p id="xdx_8A4_zm2F43tno5wd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>


<p id="xdx_89E_eus-gaap--ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock_zVFmL4nDcv0i" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 20pt"><span id="xdx_8B2_zrwosZVVLwZ" style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">SCHEDULE OF REVENUE BY MAJOR CUSTOMERS BY REPORTING SEGMENTS</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Treatment</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Treatment</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Services</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 40%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Domestic government</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zAdtV655HdDj" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"><span style="font-family: Times New Roman, Times, Serif">22,538</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zwBdF3RIK2n5" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"><span style="font-family: Times New Roman, Times, Serif">29,013</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--Revenues_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zUWpUxwVZja6" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"><span style="font-family: Times New Roman, Times, Serif">51,551</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zdoWe0KUBgsa" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"><span style="font-family: Times New Roman, Times, Serif">22,795</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zernlPOLD4Yg" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"><span style="font-family: Times New Roman, Times, Serif">68,237</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zwygVhflueqf" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"><span style="font-family: Times New Roman, Times, Serif">91,032</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Foreign government</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_986_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_z9RN8fejMmfh" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"><span style="font-family: Times New Roman, Times, Serif">577</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zF6zZvlhrSai" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"><span style="font-family: Times New Roman, Times, Serif">8,684</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zMjHrK0uw0mh" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"><span style="font-family: Times New Roman, Times, Serif">9,261</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zbXLk9Vp2cXe" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"><span style="font-family: Times New Roman, Times, Serif">415</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zQG4pkPcERY9" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"><span style="font-family: Times New Roman, Times, Serif">5,135</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zWTi3vpMjjo5" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"><span style="font-family: Times New Roman, Times, Serif">5,550</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zaajcg2u0Pve" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"><span style="font-family: Times New Roman, Times, Serif">23,115</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zbMaOtsTBT78" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"><span style="font-family: Times New Roman, Times, Serif">37,697</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20210101__20211231_zUjbUqLHHpzj" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"><span style="font-family: Times New Roman, Times, Serif">60,812</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zycim0QbSnM5" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"><span style="font-family: Times New Roman, Times, Serif">23,210</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zgxaJ87K3n8d" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"><span style="font-family: Times New Roman, Times, Serif">73,372</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20200101__20201231_zhtEi6cdf5y4" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"><span style="font-family: Times New Roman, Times, Serif">96,582</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p id="xdx_8AF_z1zd1w8V7GZ4" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 20pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; display: none; margin: 0pt; text-align: justify; text-indent: 20pt"><span id="xdx_C02_gL3SOSRIBSTB-SOTSPE_zDbTRzZbkZrd">&#160;</span></p>

<div id="xdx_C01_gL3SOSRIBSTB-SOTSPE_zns8vSluQmLb"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 20pt"><span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0" summary="xdx: Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details)"><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0"/><td style="font: 10pt Times New Roman, Times, Serif; width: 13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F00_zjfqCl1itOR3">(4)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F1E_zcD3nCtfAx46" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
                                            following table reflects revenue based on customer location:</span></td></tr></table>

</div><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span id="xdx_C0C_gL3SOSRIBSTB-SOTSPE_zkay3tdzY55a"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;</span></span></p>

<p id="xdx_890_eus-gaap--RevenueFromExternalCustomersByGeographicAreasTableTextBlock_zsRn3husty05" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify">&#160;<span id="xdx_8B7_z21RDHkmmhy7" style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">SCHEDULE
OF REVENUE BASED ON CUSTOMER LOCATION</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49A_20210101__20211231_z90rTw9Imm5g" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_493_20200101__20201231_zbd0Ws92EXs9" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_408_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hsrt--StatementGeographicalAxis__country--US_zwN7e1w46Yy2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">United States</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">62,257</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">99,790</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hsrt--StatementGeographicalAxis__country--CA_zCOahG1gYpl9" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Canada</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">9,277</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">5,550</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hsrt--StatementGeographicalAxis__country--DE_z62lxPmy6Wk2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Germany</span></p></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">567</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right"><p style="font: 8.5pt/107% Times New Roman, Times, Serif; margin: 0"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl2516">&#8212;</span></span></p><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b/></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hsrt--StatementGeographicalAxis__country--GB_zEV3uKlZmZBh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">United Kingdom</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">90</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">86</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_406_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_zvFzAmSfKOwh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">72,191</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">105,426</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p id="xdx_8A0_zhOWX75O1sbl" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 20pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>



<div id="xdx_C08_gL3SOSRIBSTB-SOTSPE_zpqGEfXcpF3d"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>
<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0" summary="xdx: Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details)"><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td id="xdx_F03_zuXj8rW3CUNf" style="font: 10pt Times New Roman, Times, Serif; width: 13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(5)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F15_z88JAqpNLMv3" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amount
                                            includes assets from our discontinued operations of $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_902_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20211231_zzU11uniMzSa" title="Assets of disposal group including discontinued operation including not held for sale">96,000</span> and $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90D_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20201231_zpH0szXn1AQ1" title="Assets of disposal group including discontinued operation including not held for sale">103,000</span> at December 31,
                                            2021 and 2020, respectively.</span></td></tr><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>

<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td id="xdx_F0B_ztpUQuASXdCi" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(6)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F13_zEL7gmEsW8Z" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Net
                                            of debt discount/debt issuance costs of ($<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20211231_zkI2uVvINRt1" title="Debt issuance costs">112,000</span>) and ($<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_900_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20201231_zZO6vYnu6qL" title="Debt issuance costs">105,000</span>) for 2021 and 2020, respectively
                                            (see &#8220;Note 10 &#8211; &#8220;Long-Term Debt&#8221; for additional information).</span></td></tr><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>

<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0B_zxnPwjRXbZv3">(7)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F19_zJcRQphzLHQ5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Net
                                            of financed amount of $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20210101__20211231_zi546SNfv35f" title="Financed portion amount in the purchase of capital expenditure">585,000</span> and $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90D_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20200101__20201231_zySP0RoIexle" title="Financed portion amount in the purchase of capital expenditure">883,000</span> for the year ended December 31, 2021 and 2020,
                                            respectively.</span></td></tr><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>

<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F09_zRzGTDPb8v32">(8)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F14_zOMo9Gway4ad" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Includes
                                            long-lived asset (net) for our PF Canada, Inc. subsidiary of $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_905_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20211231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_zuqCgkg8Kmi4" title="Long-lived asset (net)">25,000</span> and $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_902_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20201231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_zHcOyT3a3QEc" title="Long-lived asset (net)">33,000</span> for the
                                            year ended December 31, 2021 and 2020, respectively.</span></td></tr><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>

<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0C_ze6jeaPeoMMd">(9)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F18_zbHrKAO2X7Rf" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amount
                                            includes approximately $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90F_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pid_c20210101__20211231__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zNqcYUv829x1" title="Gain on extinguishment of debt">5,381,000</span> of &#8220;Gain on extinguishment of debt&#8221; recorded
                                            in connection with the Company&#8217;s PPP Loan which was forgiven by the SBA effective June
                                            15, 2021 (see &#8220;Note 10 &#8211; Long Term Debt &#8211; PPP Loan&#8221; for information
                                            of this loan forgiveness).</span></td></tr><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>

<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td id="xdx_F0E_zKEmyRF337Ia" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(10)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F10_zPDbPBhk2ESa" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Includes
                                            tax benefit recorded in amount of approximately $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_905_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_pid_c20210701__20210930_zrS5nbEUok0l" title="Income tax benefit valuation allowance">2,351,000</span> resulting from release of valuation
                                            allowance on the Company&#8217;s deferred tax assets (see &#8220;Note 13 Income Taxes&#8221;
                                            for a discussion of this tax benefit).</span></td></tr><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>

<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td id="xdx_F0B_zKtOMKshQXpj" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(11)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F19_zaxOHAfBP0bc" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Includes
                                            elimination of gain/loss of $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--DebtInstrumentDecreaseForgiveness_pid_c20210101__20211231_zPnmx8rtCul3" title="Debt instrument, decrease, forgivenes">2,537,000</span> in debt forgiveness between PFM Poland and the Company
                                            (see &#8220;Note 14 &#8211; PF Medical for a discussion of this debt forgiveness.</span></td></tr><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>

<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td id="xdx_F0D_zxE5AjHcDrh5" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(12)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F11_zE6DVPjUS3za" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amount
                                            includes a &#8220;Loss on deconsolidation of subsidiary&#8221; recorded in the amount of
                                            approximately $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_900_eus-gaap--DeconsolidationGainOrLossAmount_iN_pip0_di_c20210101__20211231_zjsXwuxTeaZa" title="Deconsolidation, gain  (Loss),  amount">1,062,000</span> resulting from the sale of PFM Poland (see &#8220;Note 14 &#8211;
                                            PF Medical for a discussion of this loss).</span></td></tr></table>

</div><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: 20pt"><span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_C0F_gL3SOSRIBSTB-SOTSPE_zzqMhuDSBvB6">&#160;</span></span></span>&#160;</p>

<span></span>
</td>
</tr>
</table>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.</p></div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374709056888">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>DEFERRAL OF EMPLOYMENT TAX DEPOSITS<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DisclosureDeferralOfEmploymentTaxDepositsAbstract', window );"><strong>Deferral Of Employment Tax Deposits</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DeferralOfEmploymentTaxDepositsTextBlock', window );">DEFERRAL OF EMPLOYMENT TAX DEPOSITS</a></td>
<td class="text"><p id="xdx_800_ecustom--DeferralOfEmploymentTaxDepositsTextBlock_zUzySeqaAzp8" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
19</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_823_zksbO3oFuoAc">DEFERRAL
OF EMPLOYMENT TAX DEPOSITS</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
CARES Act, as amended by the Flexibility Act which was signed into law on June 5, 2020, provides employers the option to defer the payment
of an employer&#8217;s share of social security taxes beginning on March 27, 2020 through December 31, 2020 with <span id="xdx_904_ecustom--PercentageOfSocialSecurityTaxesDeferredPayable_pid_dp_c20210101__20211231__us-gaap--AwardDateAxis__custom--DecemberThirtyOneTwoThousandAndTwentyOneMember__us-gaap--TypeOfArrangementAxis__custom--DeferralofEmploymentTaxDepositsMember_zAn0FJ3KNmW5" title="Percentage of social security taxes deferred payable">50%</span> of the amount of
social security taxes deferred to become due on December 31, 2021 with the remaining <span id="xdx_902_ecustom--PercentageOfSocialSecurityTaxesDeferredPayable_pid_dp_c20210101__20211231__us-gaap--AwardDateAxis__custom--DecemberThirtyOneTwoThousandAndTwentyTwoMember__us-gaap--TypeOfArrangementAxis__custom--DeferralofEmploymentTaxDepositsMember_zfJNwKSRL4wj" title="Percentage of social security taxes deferred payable">50%</span> due on December 31, 2022. The Company&#8217;s
deferment of such taxes totaled approximately $<span id="xdx_909_ecustom--SocialSecurityTaxesAmountPayable_iI_pip0_c20211231__us-gaap--TypeOfArrangementAxis__custom--DeferralofEmploymentTaxDepositsMember_zfKappgF2PZ8" title="Social security taxes amount payable">1,252,000</span> of which approximately $<span id="xdx_90F_ecustom--PaymentOfSocialSecurityTaxesAmount_pid_c20211201__20211231_ziTPxeFTQM48" title="Payment of social security taxes amount">626,000</span> was paid in December 2021. At December 31, 2021,
the remaining $<span id="xdx_903_ecustom--RemainingPaymentOfSocialSecurityTaxesAmount_pip0_c20210101__20211231_zwv9Dgnu8Oni" title="Remaining payment of social security taxes amount">626,000</span> in deferred social security taxes was included in &#8220;Accrued expenses&#8221; within current liabilities in
the Company&#8217;s Consolidated Balance Sheets.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: -13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Deferral of Employment Tax Deposits [Text Block]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374788411432">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>VARIABLE INTEREST ENTITIES (&#8220;VIE&#8221;)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract', window );"><strong>Organization, Consolidation and Presentation of Financial Statements [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
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<td class="text"><p id="xdx_805_eus-gaap--VariableInterestEntityDisclosureTextBlock_z6r2oxFe4zla" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
20</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_825_zPnEgAGOH9B1">VARIABLE
INTEREST ENTITIES (&#8220;VIE&#8221;)</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company and Engineering/Remediation Resources Group, Inc. (&#8220;ERRG&#8221;) previously entered into an unpopulated joint venture agreement
for project work bids within the Company&#8217;s Services Segment with the joint venture doing business as Perma-Fix ERRG, a general
partnership. The Company has a <span id="xdx_90B_eus-gaap--VariableInterestEntityOwnershipPercentage_pid_dp_c20210101__20211231_zoWvUIAOvakd" title="Partnership interest rate">51%</span> partnership interest in the joint venture and ERRG has a <span id="xdx_905_eus-gaap--VariableInterestEntityOwnershipPercentage_pid_dp_c20210101__20211231__dei--LegalEntityAxis__custom--EngineeringRemediationResourcesGroupIncMember_z97RovoFVNn7" title="Partnership interest rate">49%</span> partnership interest in the joint venture.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company determines whether joint ventures in which it has invested meet the criteria of a VIE at the start of each new venture and when
a reconsideration event has occurred. A VIE is a legal entity that satisfies any of the following characteristics: (a) the legal entity
does not have sufficient equity investment at risk; (b) the equity investors at risk as a group, lack the characteristics of a controlling
financial interest; or (c) the legal entity is structured with disproportionate voting rights.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company consolidates a VIE if it is determined to be the primary beneficiary of the VIE. The primary beneficiary has both the power to
direct the activities of the VIE that most significantly impact the entity&#8217;s economic performance and the obligation to absorb
losses or the right to receive benefits from the VIE that could potentially be significant to the VIE.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Based
on the Company&#8217;s evaluation of Perma-Fix ERRG and related agreements with Perma-Fix ERRG, the Company determined that Perma-Fix
ERRG continues to be a VIE in which the Company is the primary beneficiary. At December 31, 2021, Perma-Fix ERRG had total assets of
$<span id="xdx_90C_eus-gaap--Assets_iI_pid_c20211231__dei--LegalEntityAxis__custom--PermaFixERRGMember_zRIZP2a7GKef" title="Total assets">1,423,000</span> and total liabilities of $<span id="xdx_907_eus-gaap--Liabilities_iI_pid_c20211231__dei--LegalEntityAxis__custom--PermaFixERRGMember_zNVnoV0sqlK4" title="Total liabilities">1,423,000</span> which are all recorded as current. </span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for a variable interest entity (VIE), including but not limited to, judgments and assumptions in determining whether to consolidate and in identifying the primary beneficiary, gain (loss) recognized on the initial consolidation of the VIE, terms of arrangements, amounts and classification of the VIE's assets and liabilities, and the entity's maximum exposure to loss.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -URI http://asc.fasb.org/topic&amp;trid=2197479<br></p></div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374708995064">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SUBSEQUENT EVENTS<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventsAbstract', window );"><strong>Subsequent Events [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventsTextBlock', window );">SUBSEQUENT EVENTS</a></td>
<td class="text"><p id="xdx_80A_eus-gaap--SubsequentEventsTextBlock_z4IQrlZqP5mb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE
21</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span><span id="xdx_829_z0PH6Lo4XUs3">SUBSEQUENT
EVENTS</span></span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Management
evaluated events occurring subsequent to December 31, 2021 through April 6, 2022, the date these consolidated financial statements
were available for issuance, and other than as noted below determined that no material recognizable subsequent events occurred.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Executive
Compensation</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Compensation Committee and the Board determined that no performance payment would be made to each executive officer under his 2021 MIP.
In lieu of any performance payment to each executive officer under his 2021 MIP and in an attempt to retain the executive officer, on
January 20, 2022, the Compensation Committee and the Board determined that the base annual compensation for each executive officer for
2022 is increased by approximately <span id="xdx_904_ecustom--PercentageIncreaseInAnnualCompensation_pid_dp_c20220101__20220102__srt--TitleOfIndividualAxis__srt--ExecutiveOfficerMember__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_zHR8JE6Pf2Qa" title="Increase in annual compensation">6.4%</span>, effective January 1, 2022, to offset the cost of living increase.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
January 20, 2022, the Board and the Compensation Committee also approved individual MIP for the calendar year 2022 for each of our executives
officers. Each MIP is effective January 1, 2022 and applicable for year 2022. Each MIP provides guidelines for the calculation of annual
cash incentive-based compensation, subject to Compensation Committee oversight and modification. The performance compensation under each
of the MIPs is based upon meeting certain of the Company&#8217;s separate target objectives during 2022. Assuming each target objective
is achieved under the same performance threshold range under each MIP, the total potential target performance compensation payable ranges
from <span id="xdx_90A_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--CEOMember_zOcCnGLfQsl2" title="Compensation arrangement with individual, cash awards, minimum, percentage">25%</span> to <span id="xdx_901_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--CEOMember_zWLeDDmDBJMa" title="Compensation arrangement with individual, cash awards, maximum, percentage">150%</span> of the 2022 base salary for the CEO ($<span id="xdx_904_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--CEOMember_zexWWltw9XB4" title="Compensation arrangement with individual, cash awards, minimum, amount">93,717</span> to $<span id="xdx_900_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--CEOMember_zVP152FFJjz4" title="Compensation arrangement with individual, cash awards, maximum, amount">562,304</span>), <span id="xdx_906_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_zGodCbQhvsc8" title="Compensation arrangement with individual, cash awards, minimum, percentage">25%</span> to <span id="xdx_90D_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_zy0DuMCsJghc" title="Compensation arrangement with individual, cash awards, maximum, percentage">100%</span> of the 2022 base salary for the CFO ($<span id="xdx_906_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_zXdp8GW8VZag" title="Compensation arrangement with individual, cash awards, minimum, amount">76,193</span>
to $<span id="xdx_907_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_pp0p0" title="Compensation arrangement with individual, cash awards, maximum, amount">304,772</span>), <span id="xdx_901_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_z11c0tPYWOM5" title="Compensation arrangement with individual, cash awards, minimum, percentage">25%</span> to <span id="xdx_90C_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_zaP9JV7UckT9" title="Compensation arrangement with individual, cash awards, maximum, percentage">100%</span> of the 2022 base salary for the EVP of Strategic Initiatives ($<span id="xdx_90A_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_pp0p0" title="Compensation arrangement with individual, cash awards, minimum, amount">63,495</span> to $<span id="xdx_906_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_zXjrkSJVWrBa" title="Compensation arrangement with individual, cash awards, maximum, amount">253,980</span>), <span id="xdx_90C_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zfnBBbaO1kLe" title="Compensation arrangement with individual, cash awards, minimum, percentage">25%</span> to <span id="xdx_909_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zNA5o89fdIQf" title="Compensation arrangement with individual, cash awards, maximum, percentage">100%</span> of the 2022
base salary for the EVP of Nuclear and Technical Services ($<span id="xdx_906_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zlRAoeWy7F2l" title="Compensation arrangement with individual, cash awards, minimum, amount">76,193</span> to $<span id="xdx_903_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zB4FS5tqbQol" title="Compensation arrangement with individual, cash awards, maximum, amount">304,772</span>) and <span id="xdx_908_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_zvzgcAbxl8Kf" title="Compensation arrangement with individual, cash awards, minimum, percentage">25%</span> to <span id="xdx_90D_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_zpd3iQFTAdn" title="Compensation arrangement with individual, cash awards, maximum, percentage">100%</span> ($<span id="xdx_901_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_pp0p0" title="Compensation arrangement with individual, cash awards, minimum, amount">65,308</span> to $<span id="xdx_903_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_pp0p0" title="Compensation arrangement with individual, cash awards, maximum, amount">261,233</span>) of the 2022 base
salary for the EVP of Waste Treatment Operations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Credit
Facility</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On
March 29, 2022, the Company entered into an amendment to its Loan Agreement with its lender which provided, among other things,
the following:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">waived
    the Company&#8217;s failure to meet the minimum quarterly FCCR requirement for the fourth quarter of 2021;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">removes
    the quarterly FCCR testing requirement for the first quarter of 2022;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">reinstates
    <span id="xdx_90F_eus-gaap--LineOfCreditFacilityDescription_c20220327__20220329__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_zviEGtGFNzR6" title="Credit facility, description">the quarterly FCCR testing requirement starting for the second quarter of 2022 and revises the methodology to be used in calculating
    the FCCR for the quarters ending June 30, 2022, September 30, 2022, and December 31, 2022 (with no change to the minimum 1.15:1 ratio
    requirement for each quarter)</span>;</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">requires
    maintenance of a minimum of $<span id="xdx_90A_eus-gaap--LineOfCreditFacilityCurrentBorrowingCapacity_iI_pid_c20220630__srt--StatementScenarioAxis__srt--ScenarioForecastMember__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zxhTguQ5gh47" title="Line of credit facility, equipment line">3,000,000</span> in borrowing availability under the revolving credit until the minimum FCCR requirement for
    the quarter ended June 30, 2022 has been met and certified to the lender; and</span></td></tr>
  <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9679;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">revises
    the annual rate used to calculate the Facility Fee (as defined in the Loan Agreement) on the revolving credit, with addition of the
    capital expenditure line, from <span id="xdx_90D_eus-gaap--LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_pid_dp_uPure_c20220327__20220329__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--RangeAxis__srt--MinimumMember_zbJnsRtpndG5" title="Percentage of unused line fees">0.375%</span> to <span id="xdx_90E_eus-gaap--LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_pid_dp_uPure_c20220327__20220329__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--RangeAxis__srt--MaximumMember_zvo9UbmrJNN" title="Percentage of unused line fees">0.500%</span>. Upon meeting the minimum FCCR requirement of 1;15:1 on a twelve month trailing basis,
    the Facility Fee rate of <span id="xdx_907_eus-gaap--LineOfCreditFacilityInterestRateDuringPeriod_pid_dp_uPure_c20220327__20220329__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_znZU7QXb12ok" title="Interest rate">0.375%</span> will be reinstated.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
connection with the amendment, we paid our lender a fee of $<span id="xdx_904_eus-gaap--DebtInstrumentFeeAmount_iI_c20220329__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--LenderMember_zdb10TFwcNXl" title="Debt instrument fees">15,000</span>.</span></p>

<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 855<br> -URI http://asc.fasb.org/topic&amp;trid=2122774<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 855<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6842918&amp;loc=SL6314017-165662<br></p></div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374705727448">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConsolidationPolicyTextBlock', window );">Principles of Consolidation</a></td>
<td class="text"><p id="xdx_842_eus-gaap--ConsolidationPolicyTextBlock_zGFRvVTICWz3" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86A_z3HznYA4tfae">Principles
of Consolidation</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s consolidated financial statements include our accounts, those of our wholly-owned subsidiaries, our majority-owned Polish
subsidiary (see &#8220;Note 15 &#8211; PF Medical&#8221; for a discussion on the sale of PFM Poland in December 2021), and Perma-Fix
ERRG, a VIE for which we are the primary beneficiary as discussed above, after elimination of all significant intercompany accounts and
transactions.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UseOfEstimates', window );">Use of Estimates</a></td>
<td class="text"><p id="xdx_84C_eus-gaap--UseOfEstimates_zU7Dg9Gv3D3c" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86B_zjrOzG4O05Zf">Use
of Estimates</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company prepares financial statements in conformity with accounting standards generally accepted in the United States (&#8220;U.S.
GAAP&#8221;), which may require estimates of future cash flows and assumptions that affect the reported amounts of assets and liabilities
and disclosures of contingent assets and liabilities at the date of the financial statements, as well as, the reported amounts of revenues
and expenses during the reporting period. Due to the inherent uncertainty involved in making estimates, actual results could differ from
those estimates.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsPolicyTextBlock', window );">Cash and Finite Risk Sinking Fund (Restricted Cash)</a></td>
<td class="text"><p id="xdx_843_eus-gaap--CashAndCashEquivalentsPolicyTextBlock_zgy44TNKXiMk" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86D_zH6r9bToncM7">Cash
and Finite Risk Sinking Fund (Restricted Cash)</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">At
December 31, 2021, the Company had cash on hand of approximately $<span id="xdx_902_eus-gaap--Cash_iI_pp0d_c20211231_zUp4JFrCEtNf" title="Cash on hand">4,444,000</span>, which included account balances of our foreign subsidiaries
totaling approximately $<span id="xdx_909_eus-gaap--Cash_iI_pp0d_c20211231__srt--ConsolidatedEntitiesAxis__custom--ForeignSubsidiariesMember_zwGsrQDOJQ12" title="Cash on hand">26,000</span>. At December 31, 2020, the Company had cash on hand of approximately $<span><span id="xdx_90D_eus-gaap--Cash_iI_pp0p0_c20201231_zg5J8pg9uSx7" title="Cash on hand">7,924,000</span></span>, which included account
balances of our foreign subsidiaries totaling approximately $<span id="xdx_905_eus-gaap--Cash_iI_pp0p0_c20201231__srt--ConsolidatedEntitiesAxis__custom--ForeignSubsidiariesMember_z5rzkn2Kr7Pg" title="Cash on hand">377,000</span>. At December 31, 2021 and 2020, the Company had finite risk sinking
funds of approximately $<span id="xdx_906_eus-gaap--RestrictedCashNoncurrent_iI_c20211231_zKmvDKKBmHU6" title="Finite risk sinking fund">11,471,000</span> and $<span id="xdx_90D_eus-gaap--RestrictedCashNoncurrent_iI_pp0p0_c20201231_zhDJiSHwusab" title="Finite risk sinking fund">11,446,000</span>, respectively, which represented cash held as collateral under the Company&#8217;s
financial assurance policy (see &#8220;Note 15 &#8211; Commitment and Contingencies &#8211; Insurance&#8221; for a discussion of this
fund).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TradeAndOtherAccountsReceivablePolicy', window );">Accounts Receivable</a></td>
<td class="text"><p id="xdx_841_eus-gaap--TradeAndOtherAccountsReceivablePolicy_zdyToPK9JXI6" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_867_zXRqhrFr8bpj">Accounts
Receivable</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accounts
receivable are customer obligations due under normal trade terms requiring payment within 30 or 60 days from the invoice date based on
the customer type (government, broker, or commercial). The carrying amount of accounts receivable is reduced by an allowance for doubtful
accounts, which is a valuation allowance that reflects management&#8217;s best estimate of the amounts that will not be collected. The
Company regularly reviews all accounts receivable balances that exceed 60 days from the invoice date and based on an assessment of current
credit worthiness, estimates the portion, if any, of the balance that will not be collected. This analysis excludes government related
receivables due to our past successful experience in their collectability. Specific accounts that are deemed to be uncollectible are
reserved at 100% of their outstanding balance. The remaining balances aged over 60 days have a percentage applied by aging category,
based on historical experience that allows us to calculate the total allowance required. Once the Company has exhausted all options in
the collection of a delinquent accounts receivable balance, which includes collection letters, demands for payment, collection agencies
and attorneys, the account is deemed uncollectible and subsequently written off. The write off process involves approvals from senior
management based on required approval thresholds.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p id="xdx_89F_eus-gaap--ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock_z4sw87g0uqFi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table sets forth the activity in the allowance for doubtful accounts for the years ended December 31, 2021 and 2020 (in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B1_zdmDforkxnn" style="display: none">SCHEDULE OF CREDIT LOSSES FOR FINANCING RECEIVABLES, CURRENT</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 80%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Year
    Ended December 31,</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Allowance for doubtful accounts
    - beginning of year</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iS_pn3n3_c20210101__20211231_z2thEoh3Mzp9" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Allowance for doubtful accounts - beginning of year"><span style="font-family: Times New Roman, Times, Serif">404</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iS_pn3n3_c20200101__20201231_zRPwk5XbXdU" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Allowance for doubtful accounts - beginning of year"><span style="font-family: Times New Roman, Times, Serif">487</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Provision for (recovery of) bad debt reserve</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesProvision_pn3n3_c20210101__20211231_zJyNnKlPRBE4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Provision for (recovery of) bad debt reserve"><span style="font-family: Times New Roman, Times, Serif">41</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesProvision_pn3n3_c20200101__20201231_ztv2F2jlaDt3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Provision for (recovery of) bad debt reserve"><span style="font-family: Times New Roman, Times, Serif">(101</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">(Write-off) recovery of
    write-off</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_986_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff_pn3n3_c20210101__20211231_zuMyec4YCrvf" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="(Write-off) recovery of write-off"><span style="font-family: Times New Roman, Times, Serif">(360</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98D_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff_pn3n3_c20200101__20201231_zJJk0KGtQ3tb" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="(Write-off) recovery of write-off"><span style="font-family: Times New Roman, Times, Serif">18</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Allowance for doubtful
    accounts - end of year</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iE_pn3n3_c20210101__20211231_zc0iClrFaLTa" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Allowance for doubtful accounts - end of year"><span style="font-family: Times New Roman, Times, Serif">85</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iE_pn3n3_c20200101__20201231_z4BG1uoVYgTc" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Allowance for doubtful accounts - end of year"><span style="font-family: Times New Roman, Times, Serif">404</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p id="xdx_8AF_z5HgxIomnts8" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TradeAndOtherAccountsReceivableUnbilledReceivablesPolicy', window );">Unbilled Receivables</a></td>
<td class="text"><p id="xdx_848_eus-gaap--TradeAndOtherAccountsReceivableUnbilledReceivablesPolicy_zaxQKDblktMb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86B_zKUTA4Hjdb3f">Unbilled
Receivables</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Unbilled
receivables are generated by differences between invoicing timing and our over time revenue recognition methodology used for revenue
recognition purposes. As major processing and contract completion phases are completed and the costs are incurred, the Company recognizes
the corresponding percentage of revenue. Within our Treatment Segment, the facilities experience delays in processing invoices due to
the complexity of the documentation that is required for invoicing, as well as the difference between completion of revenue recognition
milestones and agreed upon invoicing terms, which results in unbilled receivables. The timing differences occur for several reasons which
include: partially from delays in the final processing of all wastes associated with certain work orders and partially from delays for
analytical testing that is required after the facilities have processed waste but prior to our release of waste for disposal. The tasks
relating to these delays can take months to complete but are generally completed within twelve months.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Unbilled
receivables within our Services Segment can result from work performed under contracts but invoice milestones have not yet been met and/or
contract claims and pending change orders, including REA when work has been performed and collection of revenue is reasonably assured.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryPolicyTextBlock', window );">Inventories</a></td>
<td class="text"><p id="xdx_848_eus-gaap--InventoryPolicyTextBlock_zWdmkqso8Mxf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_869_zyGMoeorfYJ6">Inventories</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Inventories
consist of treatment chemicals, saleable used oils, and certain supplies. Additionally, the Company has replacement parts in inventory,
which are deemed critical to the operating equipment and may also have extended lead times should the part fail and need to be replaced.
Inventories are valued at the lower of cost or net realizable value with cost determined by the first-in, first-out method.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostOfSalesPolicyTextBlock', window );">Disposal and Transportation Costs</a></td>
<td class="text"><p id="xdx_84D_eus-gaap--CostOfSalesPolicyTextBlock_ze7egpn2wqTg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86A_zNF4ri5sjEI8">Disposal
and Transportation Costs</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company accrues for waste disposal based upon a physical count of the waste at each facility at the end of each accounting period. Current
market prices for transportation and disposal costs are applied to the end of period waste inventories to calculate for the transportation
and disposal accruals.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock', window );">Property and Equipment</a></td>
<td class="text"><p id="xdx_841_eus-gaap--PropertyPlantAndEquipmentPolicyTextBlock_zSCrUWPvFnz6" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_869_zf2VpvQOSPy5">Property
and Equipment</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Property
and equipment expenditures are capitalized and depreciated using the straight-line method over the estimated useful lives of the assets
for financial statement purposes, while accelerated depreciation methods are principally used for income tax purposes. Generally, asset
lives range from <span id="xdx_90C_eus-gaap--PropertyPlantAndEquipmentUsefulLife_dtYxL_c20210101__20211231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--BuildingMember__srt--RangeAxis__srt--MinimumMember_zRFVymWivwj" title="Property, plant and equipment, useful life::XDX::10"><span style="-sec-ix-hidden: xdx2ixbrl0765">ten</span></span> to <span id="xdx_904_eus-gaap--PropertyPlantAndEquipmentUsefulLife_dc_c20210101__20211231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--BuildingMember__srt--RangeAxis__srt--MaximumMember_zQCk22aJrcq4">forty years</span> for buildings (including improvements and asset retirement costs) and <span id="xdx_904_eus-gaap--PropertyPlantAndEquipmentUsefulLife_dtYxL_c20210101__20211231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--OfficeFurnitureAndEquipmentMember__srt--RangeAxis__srt--MinimumMember_zydfL9JiDPFd" title="::XDX::3"><span style="-sec-ix-hidden: xdx2ixbrl0767">three</span></span> to <span id="xdx_90A_eus-gaap--PropertyPlantAndEquipmentUsefulLife_dc_c20210101__20211231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--OfficeFurnitureAndEquipmentMember__srt--RangeAxis__srt--MaximumMember_zKPjPtNramEk">seven years</span> for office
furniture and equipment, vehicles, and decontamination and processing equipment. Leasehold improvements are capitalized and amortized
over the lesser of the term of the lease or the life of the asset. Maintenance and repairs are charged directly to expense as incurred.
The cost and accumulated depreciation of assets sold or retired are removed from the respective accounts, and any gain or loss from sale
or retirement is recognized in the accompanying Consolidated Statements of Operations. Renewals and improvements, which extend the useful
lives of the assets, are capitalized.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Certain
property and equipment expenditures are financed through leases. Amortization of financed leased assets is computed using the straight-line
method over the estimated useful lives of the assets. At December 31, 2021, assets recorded under finance leases were $<span id="xdx_90A_eus-gaap--FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_iI_pp0p0_c20211231_zGlJrZHAZ7j4" title="Finance leases assets recorded">2,409,000</span> less
accumulated depreciation of $<span id="xdx_90B_eus-gaap--FinanceLeaseRightOfUseAssetAccumulatedAmortization_iI_pp0p0_c20211231_ztcQaxiTS5pl" title="Finance leases accumulated depreciation">475,000</span>, resulting in net fixed assets under finance leases of $<span id="xdx_90C_ecustom--FixedAssetsOfFinanceLease_iI_pp0p0_c20211231_zCUDBTdQi19d" title="Finance leases net fixed asset">1,934,000</span>. At December 31, 2020, assets
recorded under finance leases were $<span id="xdx_904_eus-gaap--FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_iI_pp0p0_c20201231_zOwPpOkJAQ22" title="Finance leases assets recorded">2,285,000</span> less accumulated depreciation of $<span id="xdx_90F_eus-gaap--FinanceLeaseRightOfUseAssetAccumulatedAmortization_iI_pp0p0_c20201231_zVutUEBKPoSd" title="Finance leases accumulated depreciation">291,000</span>, resulting in net fixed assets under finance
leases of $<span id="xdx_90C_ecustom--FixedAssetsOfFinanceLease_iI_pp0p0_c20201231_zp6EbtE93qW6" title="Finance leases net fixed asset">1,994,000</span>. These assets are recorded within net property and equipment on the Consolidated Balance Sheets.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Long-lived
assets, such as property, plant and equipment, are reviewed for impairment whenever events or changes in circumstances indicate that
the carrying amount of an asset may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the
carrying amount of an asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount
of an asset exceeds its estimated future cash flows, an impairment charge is recognized in the amount by which the carrying amount of
the asset exceeds the fair value of the asset. Assets to be disposed of are separately presented in the balance sheet and reported at
the lower of the carrying amount or fair value less costs to sell, and are no longer depreciated.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
depreciation expense totaled approximately $<span id="xdx_905_eus-gaap--Depreciation_pp0p0_c20210101__20211231_zaqvdAjuFyv3" title="Depreciation expense">1,476,000</span> and $<span id="xdx_904_eus-gaap--Depreciation_pp0p0_c20200101__20201231_zlxjC2qzlDs1" title="Depreciation">1,357,000</span> in 2021 and 2020, respectively.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeLeasesPolicyTextBlock', window );">Leases</a></td>
<td class="text"><p id="xdx_842_eus-gaap--LesseeLeasesPolicyTextBlock_zcdVbRJ3NTkb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86F_zlUdbXGrMvhg">Leases</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company accounts for leases in accordance with FASB&#8217;s ASU 2016-02, &#8220;Leases (Topic 842).&#8221; At the inception of an arrangement,
the Company determines if an arrangement is, or contains, a lease based on facts and circumstances present in that arrangement. Lease
classifications, recognition, and measurement are then determined at the lease commencement date.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s operating lease right-of-use (&#8220;ROU&#8221;) assets and operating lease liabilities represent primarily leases for
office and warehouse spaces used to conduct our business. These leases have remaining terms of approximately two to eight years which
include additional options to renew. The Company includes renewal options in valuing its ROU assets and liabilities when it determines
that it is reasonably certain to exercise these renewal options. As most of our operating leases do not provide an implicit rate, the
Company uses its incremental borrowing rate as the discount rate when determining the present value of the lease payments. The incremental
borrowing rate is determined based on the Company&#8217;s secured borrowing rate, lease terms and current economic environment. Some
of our operating leases include both lease (rent payments) and non-lease components (maintenance costs such as cleaning and landscaping
services). The Company has elected the practical expedient to account for lease component and non-lease component as a single component
for all leases under ASU 2016-02. Lease expense for operating leases is recognized on a straight-line basis over the lease term.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Finance
leases primarily consist of processing and transport equipment used by our facilities&#8217; operations. The Company&#8217;s finance
leases also included a building with land utilized for our waste treatment operations which included a purchase option. During the third
quarter of 2021, the Company concluded that it was more likely than not that it would not exercise this purchase option but will continue
to lease the property. Accordingly, a reassessment of this lease was performed which resulted in reclassification of this lease to an
operating lease. The Company&#8217;s finance leases have remaining terms of approximately one to four years and some of the leases include
options to purchase the underlying assets at fair market value at the conclusion of the lease term. See &#8220;Property and Equipment&#8221;
above for assets recorded under financed leases. Borrowing rates for our finance leases are either explicitly stated in the lease agreements
or implicitly determined from available terms in the lease agreements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company adopted the policy to not recognize ROU assets and liabilities for short term leases.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock', window );">Intangible Assets</a></td>
<td class="text"><p id="xdx_84E_eus-gaap--GoodwillAndIntangibleAssetsPolicyTextBlock_zMHJAcx1vUh8" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_868_zQ8LslH3BMt6">Intangible
Assets</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Intangible
assets consist primarily of the recognized value of the permits required to operate our business. Indefinite-lived intangible assets
are not amortized but are reviewed for impairment annually as of October 1, or when events or changes in the business environment indicate
that the carrying value may be impaired. If the fair value of the asset is less than the carrying amount, a quantitative test is performed
to determine the fair value. The impairment loss, if any, is measured as the excess of the carrying value of the asset over its fair
value. Judgments and estimates are inherent in these analyses and include assumptions for, among other factors, forecasted revenue, gross
margin, growth rate, operating income, timing of expected future cash flows, and the determination of appropriate long-term discount
rates. Impairment testing of our indefinite-lived permits related to our Treatment reporting unit as of October 1, 2021 and 2020 resulted
in no impairment charges.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Intangible
assets that have definite useful lives are amortized using the straight-line method over the estimated useful lives (with the exception
of customer relationships which are amortized using an accelerated method) and are excluded from our annual intangible asset valuation
review as of October 1. Definite-lived intangible assets are also tested for impairment whenever events or changes in circumstances suggest
impairment might exist.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ResearchAndDevelopmentExpensePolicy', window );">R&amp;D</a></td>
<td class="text"><p id="xdx_84B_eus-gaap--ResearchAndDevelopmentExpensePolicy_zXHCLr8Iyoia" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86A_zcMGIrM1cauh">R&amp;D</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Operational
innovation and technical know-how are very important to the success of our business. Our goal is to discover, develop, and bring to market
innovative ways to process waste that address unmet environmental needs and to develop new company service offerings. The Company conducts
research internally and also through collaborations with other third parties. R&amp;D costs consist primarily of employee salaries and
benefits, laboratory costs, third party fees, and other related costs associated with the development and enhancement of new potential
waste treatment processes and new technology and are charged to expense when incurred in accordance with ASC Topic 730, &#8220;Research
and Development.&#8221;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationsPolicy', window );">Accrued Closure Costs and ARO</a></td>
<td class="text"><p id="xdx_845_eus-gaap--AssetRetirementObligationsPolicy_zZQaogrcIlZi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_868_zgOMvZiQ94f7">Accrued
Closure Costs and ARO</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accrued
closure costs represent our estimated environmental liability to clean up our facilities, as required by our permits, in the event of
closure. ASC 410, &#8220;Asset Retirement and Environmental Obligations&#8221; requires that the discounted fair value of a liability
for an ARO be recognized in the period in which it is incurred with the associated ARO capitalized as part of the carrying cost of the
asset. The recognition of an ARO requires that management make numerous estimates, assumptions and judgments regarding such factors as
estimated probabilities, timing of settlements, material and service costs, current technology, laws and regulations, and credit adjusted
risk-free rate to be used. This estimate is inflated, using an inflation rate, to the expected time at which the closure will occur,
and then discounted back, using a credit adjusted risk free rate, to the present value. ARO&#8217;s are included within buildings as
part of property and equipment and are depreciated over the estimated useful life of the property. In periods subsequent to initial measurement
of the ARO, the Company must recognize period-to-period changes in the liability resulting from the passage of time and revisions to
either the timing or the amount of the original estimate of undiscounted cash flows. Increases in the ARO liability due to passage of
time impact net income as accretion expense, which is included in cost of goods sold. Changes in costs resulting from changes or expansion
at the facilities require adjustment to the ARO liability and are capitalized and charged as depreciation expense, in accordance with
the Company&#8217;s depreciation policy.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxPolicyTextBlock', window );">Income Taxes</a></td>
<td class="text"><p id="xdx_84A_eus-gaap--IncomeTaxPolicyTextBlock_zYQJugLOWcAf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_863_zxTwsH0WguNe">Income
Taxes</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Income
taxes are accounted for in accordance with ASC 740, &#8220;Income Taxes.&#8221; Under ASC 740, the provision for income taxes is comprised
of taxes that are currently payable and deferred taxes that relate to the temporary differences between financial reporting carrying
values and tax bases of assets and liabilities. Deferred tax assets and liabilities are measured using enacted income tax rates expected
to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. Any effect on deferred
tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">ASC
740 requires that deferred income tax assets be reduced by a valuation allowance if it is more likely than not that some portion or all
of the deferred income tax assets will not be realized. The Company regularly assesses the likelihood that the deferred tax asset will
be recovered from future taxable income. The Company considers projected future taxable income and ongoing tax planning strategies, then
records a valuation allowance to reduce the carrying value of the net deferred income taxes to an amount that is more likely than not
to be realized. (See &#8220;Note 13 &#8211; Income Taxes&#8221; for a discussion of the release of valuation allowance on deferred tax
assets made by the Company in the third quarter of 2021).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">ASC
740 sets out a consistent framework for preparers to use to determine the appropriate recognition and measurement of uncertain tax positions.
ASC 740 uses a two-step approach wherein a tax benefit is recognized if a position is more-likely-than-not to be sustained. The amount
of the benefit is then measured to be the highest tax benefit which is greater than 50% likely to be realized. ASC 740 also sets out
disclosure requirements to enhance transparency of an entity&#8217;s tax reserves. The Company recognizes accrued interest and income
tax penalties related to unrecognized tax benefits as a component of income tax expense.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company reassesses the validity of our conclusions regarding uncertain income tax positions on a quarterly basis to determine if facts
or circumstances have arisen that might cause us to change our judgment regarding the likelihood of a tax position&#8217;s sustainability
under audit.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock', window );">Foreign Currency</a></td>
<td class="text"><p id="xdx_847_eus-gaap--ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_zgbR2zZWy2Bj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86C_zBUWCLFxqK0l">Foreign
Currency</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s foreign subsidiaries include PF UK Limited and PF Canada and also included PF Medical. Assets and liabilities
are translated to U.S. dollars at the exchange rate in effect at the balance sheet date and revenue and expenses at the average exchange
rate for the period. Foreign currency translation adjustments for these subsidiaries are accumulated as a separate component of accumulated
other comprehensive income (loss) in stockholders&#8217; equity. Gains and losses resulting from foreign currency transactions are recognized
in the Consolidated Statements of Operations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskCreditRisk', window );">Concentration Risk</a></td>
<td class="text"><p id="xdx_846_eus-gaap--ConcentrationRiskCreditRisk_zF6hNojxV1v9" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86B_zeK1YQ8KsLt9">Concentration
Risk</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company performed services relating to waste generated by government clients (domestic and foreign (primarily Canadian)), either indirectly
for others as a subcontractor to government entities or directly as a prime contractor, representing approximately $<span id="xdx_901_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zVr5CjsV0Sh3">60,812,000</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">,
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">or <span id="xdx_903_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_z89lMpccT1Pg">84.2</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%,
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">of our total revenue during 2021, as compared to
$<span id="xdx_90C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zp8dLn8NNaHd">96,582,000</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">,
or <span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zLPkLVStwqO1">91.6</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%,
of our total revenue during 2020.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Revenue
generated by the Company as a subcontractor to a customer for a remediation project performed for a government entity (the DOE) within
our Services Segment in 2021 and 2020 accounted for approximately $<span id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesSegmentMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zyY8J9Oiezei">8,526,000
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">or <span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesSegmentMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zps7gZVZFlod">11.8</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">and $<span id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesSegmentMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zB4Xg1hmwnW9">41,011,000
</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">or <span id="xdx_901_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesSegmentMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zg4sC9OHrzc3">38.9</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
(included in revenues generated relating to government clients above) of the Company&#8217;s total revenue for 2021 and 2020, respectively.
This remediation project included among other things, decontamination support of a building. This project was completed in the second
quarter of 2021.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As
our revenues are project/event based where the completion of one contract with a specific customer may be replaced by another contract
with a different customer from year to year, the Company does not believe the loss of one specific customer from one year to the next
will generally have a material adverse effect on our operations and financial condition.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Financial
instruments that potentially subject the Company to significant concentrations of credit risk consist principally of cash and accounts
receivable. The Company maintains cash with high quality financial institutions, which may exceed Federal Deposit Insurance Corporation
(&#8220;FDIC&#8221;) insured amounts from time to time. Concentration of credit risk with respect to accounts receivable is limited due
to the Company&#8217;s large number of customers and their dispersion throughout the United States as well as with the significant amount
of work that we perform for government entities.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company had two government related customers whose total unbilled and net outstanding receivable balances represented <span id="xdx_905_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerOneMember_zglrCbsZWlZ5">18.2</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">and <span id="xdx_900_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerTwoMember_zmkRKuIlFsc1">23.5</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">of the Company&#8217;s total consolidated unbilled
and net accounts receivable at December 31, 2021. The Company had three government related customers whose total unbilled and net outstanding
receivable balances represented <span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerOneMember_z8asSgCsEFBg">41.1</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%,
<span id="xdx_90D_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerTwoMember_zStgEcZD7Gia">19.0</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
and <span id="xdx_908_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerThreeMember_zvjee5VvMBTl">12.5</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
of the Company&#8217;s total consolidated unbilled and net accounts receivable at December 31, 2020.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRecognitionPolicyTextBlock', window );">Revenue Recognition and Related Policies</a></td>
<td class="text"><p id="xdx_841_eus-gaap--RevenueRecognitionPolicyTextBlock_z2XixP5DCqph" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_861_zsDlsj3pxPG6">Revenue
Recognition and Related Policies</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company recognizes revenue in accordance with FASB&#8217;s ASC 606, &#8220;Revenue from Contracts with Customers.&#8221; ASC 606 provides
a single, comprehensive revenue recognition model for all contracts with customers. Under ASC 606, a five-step process is utilized in
order to determine revenue recognition, depicting the transfer of goods or services to a customer at an amount that reflects the consideration
it expects to receive in exchange for those goods or services. Under ASC 606, a performance obligation is a promise in a contract to
transfer a distinct good or service to the customer and is the unit of account. A contract transaction price is allocated to each distinct
performance obligation and recognized as revenues as the performance obligation is satisfied.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Treatment
Segment Revenues:</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Contracts
in our Treatment Segment primarily have a single performance obligation as the promise to receive, treat and dispose of waste is not
separately identifiable in the contract and, therefore, not distinct. Performance obligations are generally satisfied over time using
the input method. Under the input method, the Company uses a measure of progress divided into major phases which include receipt (ranging
from <span id="xdx_90E_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--ReceiptMember__srt--RangeAxis__srt--MinimumMember_zQjzGbVE8dui">9.0</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
to <span id="xdx_909_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--ReceiptMember__srt--RangeAxis__srt--MaximumMember_zNit39EsWWg1">33</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%),
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">treatment/processing (ranging from <span id="xdx_90F_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--TreatmentOrProcessingMember__srt--RangeAxis__srt--MinimumMember_z3tTKMzhIqjj">15</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
to <span id="xdx_902_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--TreatmentOrProcessingMember__srt--RangeAxis__srt--MaximumMember_z3NvBeyc1K77">79</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%)
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">and shipment/final disposal (ranging from <span id="xdx_902_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--ShipmentOrFinalDisposalMember__srt--RangeAxis__srt--MinimumMember_zwJSRIJ27pV5">9.0</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">to <span id="xdx_903_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--ShipmentOrFinalDisposalMember__srt--RangeAxis__srt--MaximumMember_zngmvGFCj4A1">52</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%).
As major processing phases are completed and the costs are incurred, the proportional percentage of revenue is recognized. Transaction
price for Treatment Segment contracts are determined by the stated fixed rate per unit price as stipulated in the contract.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>&#160;</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Services
Segment Revenues:</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Revenues
for our Services Segment are generated from time and materials or fixed price arrangements:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s primary obligation to customers in time and materials contracts relate to the provision of services to the customer at
the direction of the customer. This provision of services at the request of the customer is the performance obligation, which is satisfied
over time. Revenue earned from time and materials contracts is determined using the input method and is based on contractually defined
billing rates applied to services performed and materials delivered.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Under
fixed price contracts, the objective of the project is not attained unless all scope items within the contract are completed and all
of the services promised within fixed fee contracts constitute a single performance obligation. Transaction price is estimated based
upon the estimated cost to complete the overall project. Revenue from fixed price contracts is recognized over time primarily using the
input method. For the input method, revenue is recognized based on costs incurred on the project relative to the total estimated costs
of the project.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
majority of our contracts with our customers are short term with an original expected length of one year or less. The Company&#8217;s
contracts and subcontracts relating to activities at governmental sites (both U.S. and Canadian) generally allow for termination for
convenience at any time at the government&#8217;s option without payment of a substantial penalty.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Variable
Consideration</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s contracts generally do not give rise to variable consideration. However, during the third quarter of 2021, the Company
recognized approximately $<span id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20210701__20210930_z8Ko2MNDgpsd" title="Revenue">1,286,000</span> in revenue from a REA under one of the Company&#8217;s Treatment Services contracts that resulted
in cumulative catch-up adjustment in the transaction price that had been constrained in prior periods.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Significant
Payment Terms</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Invoicing
is based on schedules established in customer contracts. Payment terms vary by customers but are generally established at 30 days from
invoicing.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Incremental
Costs to Obtain a Contract</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Costs
incurred to obtain contracts with our customers are immaterial and as a result, the Company expenses (within selling, general and administration
expenses (&#8220;SG&amp;A&#8221;)) incremental costs incurred in obtaining contracts with our customer as incurred.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Remaining
Performance Obligations</i></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company applies the practical expedient in ASC 606-10-50-14 and does not disclose information about remaining performance obligations
that have original expected durations of one year or less.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Within
our Services Segment, there are service contracts which provide that the Company has a right to consideration from a customer in an amount
that corresponds directly with the value to the customer of our performance completed to date. For those contracts, the Company has utilized
the practical expedient in ASC 606-10-55-18, which allows the Company to recognize revenue in the amount for which we have the right
to invoice; accordingly, the Company does not disclose the value of remaining performance obligations for those contracts.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company&#8217;s contracts and subcontracts relating to activities at governmental sites generally allow for termination for convenience
at any time at the government&#8217;s option without payment of a substantial penalty. The Company does not disclose remaining performance
obligations on these contracts.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy', window );">Stock-Based Compensation</a></td>
<td class="text"><p id="xdx_84C_eus-gaap--ShareBasedCompensationOptionAndIncentivePlansPolicy_z2XOCMi2zSSj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_865_zNAzUOtbJQ4g">Stock-Based
Compensation</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Stock-based
compensation granted to employees are accounted for in accordance with ASC 718, &#8220;Compensation &#8211; Stock Compensation.&#8221;
Stock-based payment transactions for acquiring goods and services from nonemployees are also accounted for under ASC 718. ASC 718 requires
stock-based payments to employees and nonemployees, including grant of options, to be recognized in the Statement of Operations based
on their fair values. The Company uses the Black-Scholes option-pricing model to determine the fair-value of stock-based awards which
requires subjective assumptions. Assumptions used to estimate the fair value of stock-based awards include the exercise price of the
award, the expected term, the expected volatility of our stock over the stock-based award&#8217;s expected term, the risk-free interest
rate over the award&#8217;s expected term, and the expected annual dividend yield. The Company accounts for forfeitures when they occur.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ComprehensiveIncomePolicyPolicyTextBlock', window );">Comprehensive Income (Loss)</a></td>
<td class="text"><p id="xdx_84A_eus-gaap--ComprehensiveIncomePolicyPolicyTextBlock_z87QLDUFkqpd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86E_zznCQdlYtPCl">Comprehensive
Income (Loss)</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
components of comprehensive income (loss) are net income (loss) and the effects of foreign currency translation adjustments.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerSharePolicyTextBlock', window );">Income (Loss) Per Share</a></td>
<td class="text"><p id="xdx_84A_eus-gaap--EarningsPerSharePolicyTextBlock_z139BlnYUEvh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_860_zhO0cBAfs6a3">Income
(Loss) Per Share</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Basic
income (loss) per share is calculated based on the weighted-average number of outstanding common shares during the applicable period.
Diluted income (loss) per share is based on the weighted-average number of outstanding common shares plus the weighted-average number
of potential outstanding common shares. In periods where they are anti-dilutive, such amounts are excluded from the calculations of dilutive
earnings per share. Income (loss) per share is computed separately for each period presented.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueMeasurementPolicyPolicyTextBlock', window );">Fair Value of Financial Instruments</a></td>
<td class="text"><p id="xdx_843_eus-gaap--FairValueMeasurementPolicyPolicyTextBlock_zURtsU9GkArk" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86B_zFhbBrHWDiCc">Fair
Value of Financial Instruments</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Certain
assets and liabilities are required to be recorded at fair value on a recurring basis, while other assets and liabilities are recorded
at fair value on a nonrecurring basis. Fair value is determined based on the exchange price that would be received for an asset or paid
to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction
between market participants. The three-tier value hierarchy, which prioritizes the inputs used in the valuation methodologies, is:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Level
1</b><i>&#8212;</i>Valuations based on quoted prices for identical assets and liabilities in active markets.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Level
2</b><i>&#8212;</i>Valuations based on observable inputs other than quoted prices included in Level 1, such as quoted prices for similar
assets and liabilities in active markets, quoted prices for identical or similar assets and liabilities in markets that are not active,
or other inputs that are observable or can be corroborated by observable market data.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Level
3</b><i>&#8212;</i>Valuations based on unobservable inputs reflecting the Company&#8217;s own assumptions, consistent with reasonably
available assumptions made by other market participants.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Financial
instruments include cash (Level 1), accounts receivable, accounts payable, and debt obligations (Level 3). <span style="background-color: white">Credit
is extended to customers based on an evaluation of a customer&#8217;s financial condition and, generally, collateral is not required.
</span>At December 31, 2021 and December 31, 2020, the fair value of the Company&#8217;s financial instruments approximated their carrying
values. The fair value of the Company&#8217;s revolving credit and term loan approximate its carrying value due to the variable interest
rate.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock', window );">Recently Adopted Accounting Standards</a></td>
<td class="text"><p id="xdx_842_eus-gaap--NewAccountingPronouncementsPolicyPolicyTextBlock_zNpGcH4N7Ix" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_865_zkuhuOZ0IhCb">Recently
Adopted Accounting Standards</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
December 2019, the FASB issued ASU No. 2019-12, &#8220;Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes,&#8221;
which is intended to simplify various aspects related to accounting for income taxes. ASU 2019-12 removes certain exceptions to the general
principles in Topic 740 and also clarifies and amends existing guidance to improve consistent application. This guidance is effective
for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2020, with early adoption permitted. The
adoption of ASU No. 2019-12 by the Company effective January 1, 2021 did not have a material impact on the Company&#8217;s financial
statements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; background-color: white">In
January 2020, the FASB issued ASU 2020-01, &#8220;Investments - Equity Securities (Topic 321), Investments - Equity Method and Joint
Ventures (Topic 323), and Derivatives and Hedging (Topic 815), clarifying the Interactions between Topic 321, Topic 323, and Topic 815.&#8221;
</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">This guidance addresses accounting for the transition
into and out of the equity method and provides clarification of the interaction of rules for equity securities, the equity method of
accounting, and forward contracts and purchase options on certain types of securities. This standard is effective for fiscal years and
interim periods within those fiscal years beginning after December 15, 2020. Early adoption is permitted. The adoption of ASU No. 2020-01
by the Company effective January 1, 2021 did not have a material impact on the Company&#8217;s financial statements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
October 2020, the FASB issued ASU No 2020-10, &#8220;Codification Improvements.&#8221; ASU 2020-10 updates various codification topics
by clarifying or improving disclosure requirements. ASU 2020-10 is effective for public entities for fiscal years beginning after December
15, 2020, with early adoption permitted. The adoption of ASU No. 2020-01 by the Company effective January 1, 2021 did not have a material
impact on the Company&#8217;s financial statements or disclosures.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_NewAccountingPronouncementsNotYetAdoptedPolicyPolicyTextBlock', window );">Recently Issued Accounting Standards &#8211; Not Yet Adopted</a></td>
<td class="text"><p id="xdx_843_ecustom--NewAccountingPronouncementsNotYetAdoptedPolicyPolicyTextBlock_z4MpRCjRR3Fa" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_863_zWYZdktpazde">Recently
Issued Accounting Standards &#8211; Not Yet Adopted</span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
June 2016, the FASB issued ASU No. 2016-13, &#8220;Credit Losses (Topic 326) - Measurement of Credit Losses on Financial Instruments,&#8221;
and various subsequent amendments to the initial guidance (collectively, &#8220;Topic 326&#8221;). Topic 326 introduces an approach,
based on expected losses, to estimate credit losses on certain types of financial instruments and modifies the impairment model for available-for-sale
debt securities. The new approach to estimating credit losses (referred to as the current expected credit losses model) applies to most
financial assets measured at amortized cost and certain other instruments, including trade and other receivables and loans. Entities
are required to apply the standard&#8217;s provisions as a cumulative-effect adjustment to retained earnings as of the beginning of the
first reporting period in which the guidance is adopted. In November 2019, FASB issued ASU 2019-10, &#8220;Financial Instruments &#8211;
Credit Losses (Topic 326), Derivatives and Hedging (Topic 815), and Leases (Topic 842),&#8221; which defers the effective date of ASU
2016-13 for public companies that are considered smaller reporting companies (&#8220;SRC&#8221;) as defined by the Commission to fiscal
years beginning after December 15, 2022, including interim periods within those fiscal years. These ASUs are effective January 1, 2023
for the Company as an SRC. Under new guidance issued by the Commission in March 2020, the Company continues to qualify as a smaller reporting
company but has become an accelerated filer for all filings with the Commission starting with this Form 10-K filing and all subsequent
filings. The Company is currently evaluating the impact of these ASU on its consolidated financial statements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
August 2020, the FASB issued ASU No. 2020-06, &#8220;Debt &#8211; Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives
and Hedging &#8211; Contracts in Entity&#8217;s Own Equity.&#8221; ASU 2020-06 simplifies the accounting for convertible instruments
by removing major separation models and removing certain settlement condition qualifiers for the derivatives scope exception for contracts
in an entity&#8217;s own equity, and simplifies the related diluted net income per share calculation for both Subtopics. ASU 2020-06
is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2023, for the Company as an
SRC. Early adoption is permitted, but no earlier than fiscal years beginning after December 15, 2020, including interim periods within
those fiscal years. The Company is currently evaluating the impact of this ASU on its consolidated financial statements and disclosures.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
May 2021, the FASB issued ASU No. 2021-04, &#8220;Earnings Per Share (Topic 206), Debt-Modifications and Extinguishments (Subtopic 470-50),
Compensation-Stock Compensation (Topic 718), and Derivatives and Hedging-Contracts in Entity&#8217;s Own Equity (Subtopic 815-40): Issuer&#8217;s
Accounting for Certain Modifications or Exchanges of Freestanding Equity-Classified Written Call Options (a consensus of the FASB Emerging
Issues Task Force).&#8221; ASU 2021-04 addresses issuer&#8217;s accounting for certain modifications or exchanges of freestanding equity-classified
written call options. This ASU is effective for all entities, for fiscal years beginning after December 15, 2021, including interim periods
within those fiscal years. Early adoption is permitted. This ASU is effective January 1, 2022 for the Company. The Company does not expect
the adoption of this ASU will have a material impact on its financial statements.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for new accounting pronouncements that has been issued, but not yet adopted [Policy Text Block].</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for legal obligation associated with retirement of long-lived asset that results from acquisition, construction, or development or from normal operation of long-lived asset. Excludes environmental remediation liability from improper or other-than-normal operation of long-lived asset, obligation arising in connection with leased property that meets definition of lease payments or variable lease payments and from plan to sell or otherwise dispose of a long-lived asset.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for cash and cash equivalents, including the policy for determining which items are treated as cash equivalents. Other information that may be disclosed includes (1) the nature of any restrictions on the entity's use of its cash and cash equivalents, (2) whether the entity's cash and cash equivalents are insured or expose the entity to credit risk, (3) the classification of any negative balance accounts (overdrafts), and (4) the carrying basis of cash equivalents (for example, at cost) and whether the carrying amount of cash equivalents approximates fair value.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for comprehensive income.</p></div>
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<tr>
<td><strong> Balance Type:</strong></td>
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</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConcentrationRiskCreditRisk">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for credit risk.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e5967-108592<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 825<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=123345438&amp;loc=d3e61044-112788<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConcentrationRiskCreditRisk</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConsolidationPolicyTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting.  The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123372394&amp;loc=d3e18823-107790<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=109239629&amp;loc=d3e5614-111684<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConsolidationPolicyTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Period Type:</strong></td>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CostOfSalesPolicyTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for cost of product sold and service rendered.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 705<br> -URI http://asc.fasb.org/topic&amp;trid=2122478<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CostOfSalesPolicyTextBlock</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerSharePolicyTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3630-109257<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerSharePolicyTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Period Type:</strong></td>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueMeasurementPolicyPolicyTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for fair value measurements of financial and non-financial assets, liabilities and instruments classified in shareholders' equity. Disclosures include, but are not limited to, how an entity that manages a group of financial assets and liabilities on the basis of its net exposure measures the fair value of those assets and liabilities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueMeasurementPolicyPolicyTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
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</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for (1) transactions denominated in a currency other than the reporting enterprise's functional currency, (2) translating foreign currency financial statements that are incorporated into the financial statements of the reporting enterprise by consolidation, combination, or the equity method of accounting, and (3) remeasurement of the financial statements of a foreign reporting enterprise in a hyperinflationary economy.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -URI http://asc.fasb.org/topic&amp;trid=2175825<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
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</tr>
<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for goodwill and intangible assets. This accounting policy also may address how an entity assesses and measures impairment of goodwill and intangible assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121556970&amp;loc=d3e13816-109267<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16265-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxPolicyTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -URI http://asc.fasb.org/extlink&amp;oid=123427490&amp;loc=d3e32247-109318<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32847-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32840-109319<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=124431353&amp;loc=SL116659661-227067<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32639-109319<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=123427490&amp;loc=d3e32280-109318<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 17<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32809-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxPolicyTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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</div></td></tr>
</table>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of inventory accounting policy for inventory classes, including, but not limited to, basis for determining inventory amounts, methods by which amounts are added and removed from inventory classes, loss recognition on impairment of inventories, and situations in which inventories are stated above cost.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=116847112&amp;loc=d3e4556-108314<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6361739&amp;loc=d3e7789-107766<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 912<br> -SubTopic 330<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6471895&amp;loc=d3e55923-109411<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=116847112&amp;loc=d3e4492-108314<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 270<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124437754&amp;loc=d3e543-108305<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -URI http://asc.fasb.org/topic&amp;trid=2126998<br><br>Reference 7: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123372394&amp;loc=d3e18823-107790<br><br>Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryPolicyTextBlock</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LesseeLeasesPolicyTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for leasing arrangement entered into by lessee.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918666-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LesseeLeasesPolicyTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Data Type:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 958<br> -SubTopic 360<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=120429125&amp;loc=d3e99779-112916<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.13(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 958<br> -SubTopic 360<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=120429125&amp;loc=d3e99893-112916<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for costs it has incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 730<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6420194&amp;loc=d3e21568-108373<br></p></div>
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<tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for revenue. Includes revenue from contract with customer and from other sources.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=123372394&amp;loc=d3e18823-107790<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123372394&amp;loc=d3e18823-107790<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for award under share-based payment arrangement. Includes, but is not limited to, methodology and assumption used in measuring cost.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (b),(f)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5047-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for accounts receivable.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123577603&amp;loc=d3e4975-111524<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 15<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123577603&amp;loc=d3e5212-111524<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11B<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123577603&amp;loc=SL6953423-111524<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/otherTransitionRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123577603&amp;loc=d3e5093-111524<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123577603&amp;loc=d3e5033-111524<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=84159169&amp;loc=d3e10133-111534<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for treatment of receivables that are billable but have not been billed as of the balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -URI http://asc.fasb.org/topic&amp;trid=2196771<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles.</p></div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374708884424">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock', window );">SCHEDULE OF CREDIT LOSSES FOR FINANCING RECEIVABLES, CURRENT</a></td>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B1_zdmDforkxnn" style="display: none">SCHEDULE OF CREDIT LOSSES FOR FINANCING RECEIVABLES, CURRENT</span></span></p>

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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Allowance for doubtful accounts
    - beginning of year</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iS_pn3n3_c20210101__20211231_z2thEoh3Mzp9" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Allowance for doubtful accounts - beginning of year"><span style="font-family: Times New Roman, Times, Serif">404</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iS_pn3n3_c20200101__20201231_zRPwk5XbXdU" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Allowance for doubtful accounts - beginning of year"><span style="font-family: Times New Roman, Times, Serif">487</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Provision for (recovery of) bad debt reserve</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesProvision_pn3n3_c20210101__20211231_zJyNnKlPRBE4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Provision for (recovery of) bad debt reserve"><span style="font-family: Times New Roman, Times, Serif">41</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesProvision_pn3n3_c20200101__20201231_ztv2F2jlaDt3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Provision for (recovery of) bad debt reserve"><span style="font-family: Times New Roman, Times, Serif">(101</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
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    write-off</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_986_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff_pn3n3_c20210101__20211231_zuMyec4YCrvf" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="(Write-off) recovery of write-off"><span style="font-family: Times New Roman, Times, Serif">(360</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98D_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff_pn3n3_c20200101__20201231_zJJk0KGtQ3tb" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="(Write-off) recovery of write-off"><span style="font-family: Times New Roman, Times, Serif">18</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Allowance for doubtful
    accounts - end of year</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iE_pn3n3_c20210101__20211231_zc0iClrFaLTa" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Allowance for doubtful accounts - end of year"><span style="font-family: Times New Roman, Times, Serif">85</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iE_pn3n3_c20200101__20201231_z4BG1uoVYgTc" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Allowance for doubtful accounts - end of year"><span style="font-family: Times New Roman, Times, Serif">404</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374706322936">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>REVENUE (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerAbstract', window );"><strong>Revenue from Contract with Customer [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueTableTextBlock', window );">SCHEDULE OF DISAGGREGATION OF REVENUE</a></td>
<td class="text"><p id="xdx_89E_eus-gaap--DisaggregationOfRevenueTableTextBlock_zo7tYD6gyGXh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
general, the Company&#8217;s business segmentation is aligned according to the nature and economic characteristics of our services and
provides meaningful disaggregation of each business segment&#8217;s results of operations. The following tables present further disaggregation
of our revenues by different categories for our Services and Treatment Segments:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B0_zjtUKy0d2kYk" style="display: none">SCHEDULE OF DISAGGREGATION OF REVENUE</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Revenue by Contract Type</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">(In thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Twelve
    Months Ended</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Twelve
    Months Ended</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Treatment</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Services</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Treatment</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Services</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 40%"><span style="font-family: Times New Roman, Times, Serif">Fixed price</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z7Z4nnFUuqg9" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">32,992</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z1kVSmjYu86g" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">11,236</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember_zUwbot7nqwmi" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">44,228</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_znVOa9T0D5sc" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">30,143</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z8MhSdsRh5Pd" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">8,970</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember_zV51b4LAPyc2" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">39,113</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Time and materials</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zgdkj5N9inSl" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0851">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zy5XcQewP9I2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">27,963</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember_zI3rqz6iOWF5" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">27,963</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zjEO3Ockcwqa" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0857">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_ziGd7VnYdrd9" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">66,313</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember_ziAk732hcdi3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">66,313</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zUNGBUS86Sil" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">32,992</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zvW07rho2AT2" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">39,199</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231_zz73cGLOn094" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">72,191</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z3njenhIcUL7" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">30,143</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zTGg8MuWRLik" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">75,283</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231_zMqR4P9zHvlb" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">105,426</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Revenue by generator</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">(In thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Twelve
    Months Ended</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Twelve
    Months Ended</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Treatment</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Services</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Treatment</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Services</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 40%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Domestic government</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zszD1EacQHeh" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">22,538</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zmxZRLHGnTYd" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">29,013</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zaM3HkIDvO34" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">51,551</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z23weyAIRdbf" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">22,795</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zGwUjZbBVlG8" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">68,237</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zrfsTf5Oiumi" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">91,032</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Domestic commercial</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_ziF47cGe2mNa" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">9,294</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zcMaW0nG1Xbf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">1,412</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticCommercialMember_z48Zu4tqPrC6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">10,706</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z92mSFpbmohe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">6,933</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zFKCTtsqc0Dc" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">1,825</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticCommercialMember_zhM0TcKV8qs8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">8,758</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Foreign government</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zps7Ll32f344" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">577</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98B_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zQ4guH41zCsh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">8,684</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zOwYValUHaid" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">9,261</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zhIXqo2dWBHd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">415</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zSpisHgaBsBe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">5,135</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zAtmLWc1qcXj" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">5,550</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Foreign commercial</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zQgyNtNzhM5j" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">583</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zkNniQMDA1y6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">90</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignCommercialMember_zCMIO554af54" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">673</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zKP6aOLGfT3d" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0917">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zSFC2arx9wng" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">86</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignCommercialMember_zXZsLywb9qlc" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">86</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zj9N9zmJZ2Oa" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">32,992</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zlG9aTmxyOmb" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">39,199</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231_zcCaYHniXj3a" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">72,191</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zAYd7JBCoB2k" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">30,143</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zxLqeS6a7EOa" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">75,283</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231_zlfy8wWTDUng" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"><span style="font-family: Times New Roman, Times, Serif">105,426</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock', window );">SCHEDULE OF CONTRACT ASSETS AND LIABILITIES</a></td>
<td class="text"><p id="xdx_89D_eus-gaap--ContractWithCustomerAssetAndLiabilityTableTextBlock_zQQiUJnA2AAd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table represents changes in our contract assets and contract liabilities balances:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8BD_zkEgi9JLdwna" style="display: none">SCHEDULE OF CONTRACT ASSETS AND LIABILITIES</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Year-to-date</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Year-to-date</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(In thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Change
    ($)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Change
    (%)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Contract assets</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; width: 36%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Account receivables, net of allowance</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--AccountsReceivableNetCurrent_iI_pn3n3_c20211231_z4SWamztaR64" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right" title="Account receivables, net of allowance"><span style="font-family: Times New Roman, Times, Serif">11,372</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--AccountsReceivableNetCurrent_iI_pn3n3_c20201231_zjlZuefJewib" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right" title="Account receivables, net of allowance"><span style="font-family: Times New Roman, Times, Serif">9,659</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease_pn3n3_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_z56xOnuG0Pv" style="font-family: Times New Roman, Times, Serif; width: 10%; text-align: right" title="Change in account receivable, net of allowances"><span style="font-family: Times New Roman, Times, Serif">1,713</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98B_ecustom--ChangesInAccountReceivablesNetOfAllowancePercentage_pid_dp_uPure_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_zDAi2BEHU1V" style="font-family: Times New Roman, Times, Serif; width: 10%; text-align: right" title="Changes in account receivables, net of allowances, percentage"><span style="font-family: Times New Roman, Times, Serif">17.7</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Unbilled receivables - current</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--UnbilledReceivablesCurrent_iI_pn3n3_c20211231_zdcuHTO5zymd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Unbilled receivables - current"><span style="font-family: Times New Roman, Times, Serif">8,995</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_eus-gaap--UnbilledReceivablesCurrent_iI_pn3n3_c20201231_zCEHc4v4ZLhf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Unbilled receivables - current"><span style="font-family: Times New Roman, Times, Serif">14,453</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98D_ecustom--IncreaseDecreaseInUnbilledReceivable_pn3n3_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_zcbPcxeUAgRf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Changes in unbilled receivables - current"><span style="font-family: Times New Roman, Times, Serif">(5,458</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_ecustom--ChangeInUnbilledReceivablesCurrentPercentage_pid_dp_uPure_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_zO0IzuUiWsT4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Changes in unbilled receivables - current, percentage"><span style="font-family: Times New Roman, Times, Serif">(37.8</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Contract liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Deferred revenue</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--DeferredRevenueCurrent_iI_pn3n3_c20211231_zQsJfu1FiEhd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Deferred revenue"><span style="font-family: Times New Roman, Times, Serif">5,580</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98D_ecustom--ChangesInDeferredRevenuePercentage_pid_dp_uPure_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_zYyidq0CDfMk" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Changes in deferred revenue, percentage"><span style="font-family: Times New Roman, Times, Serif">20.9</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130551-203045<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130545-203045<br></p></div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374710419480">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>LEASES (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DisclosureLeasesAbstract', window );"><strong>Leases</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LeaseCostTableTextBlock', window );">SCHEDULE OF COMPONENTS OF LEASE COST</a></td>
<td class="text"><p id="xdx_893_eus-gaap--LeaseCostTableTextBlock_zcULGICtTLgj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
components of lease cost for the Company&#8217;s leases were as follows (in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8BD_zYxdlLQM1cfc" style="display: none">SCHEDULE OF COMPONENTS OF LEASE COST</span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"/>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%">
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    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_497_20210101__20211231_zXNHyxEb6Jh3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_494_20200101__20201231_zQFQ2OyM714c" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Twelve Months Ended</span></p>
                                                                                <p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">December 31,</span></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Operating Leases:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; width: 60%; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Lease
    cost</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">499</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">456</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Finance Leases:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Amortization of ROU assets</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">220</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">220</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Interest
    on lease liability</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">97</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">143</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;<span style="display: none; font-size: 10pt">Finance
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">317</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">363</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_409_eus-gaap--ShortTermLeaseCost_pn3n3_maLCzrDO_zijg7ZVuxM2g" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Short-term lease rent
    expense</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">13</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--LeaseCost_iT_pn3n3_mtLCzrDO_zwGcDh5dvlHh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total lease cost</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">829</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">834</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_ScheduleOfWeightedAverageLeaseTableTextBlock', window );">SCHEDULE OF WEIGHTED AVERAGE LEASE</a></td>
<td class="text"><p id="xdx_896_ecustom--ScheduleOfWeightedAverageLeaseTableTextBlock_z5ph4wWbcBxl" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
weighted average remaining lease term and the weighted average discount rate for operating and finance leases at December 31, 2021 were:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B2_zvE0rpbBLzlf" style="display: none">SCHEDULE OF WEIGHTED AVERAGE LEASE</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Operating
    Leases</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Finance
    Leases</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Weighted average remaining lease
    terms (years)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_906_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20211231_zvvsU6eqbNz2" title="Operating leases, weighted average remaining lease terms (years)">6.9</span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_907_eus-gaap--FinanceLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20211231_zBbcZfIcQvd6" title="Finance leases, weighted average remaining lease terms (years)">4.0</span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Weighted average discount rate</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_90C_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20211231_z4J14hfGdC5" title="Operating leases, weighted average discount rate">7.6</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_90B_eus-gaap--FinanceLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20211231_zkh1OsCXUWX4" title="Finance leases, weighted average discount rate">6.2</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
weighted average remaining lease term and the weighted average discount rate for operating and finance leases at December 31, 2020 was:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Operating Leases</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Finance Leases</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Weighted average remaining lease
    terms (years)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_902_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20201231_zer5s9vSx4wf" title="Operating leases, weighted average remaining lease terms (years)">8.0</span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_907_eus-gaap--FinanceLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20201231_zGiXFIC4a5gd" title="Finance leases, weighted average remaining lease terms (years)">3.5</span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Weighted average discount rate</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_907_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20201231_zD1XbyAj1Cl1" title="Operating leases, weighted average discount rate">8.0</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_903_eus-gaap--FinanceLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20201231_zWyV9RbaaGm3" title="Finance leases, weighted average discount rate">7.3</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  </table>

<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock', window );">SCHEDULE OF OPERATING AND FINANCE LEASE LIABILITY MATURITY</a></td>
<td class="text"><p id="xdx_898_ecustom--OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock_zGwaM4zyBPk1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table reconciles the undiscounted cash flows for the operating and finance leases at December 31, 2021 to the operating and
finance lease liabilities recorded on the balance sheet (in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B6_zW6Lj4rKrW58" style="display: none">SCHEDULE OF OPERATING AND FINANCE LEASE LIABILITY MATURITY</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Operating
    Leases</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Finance
    Leases</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2022</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_iI_pn3n3_c20211231_z3zAxVgPs7da" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Operating Leases 2022"><span style="font-family: Times New Roman, Times, Serif">576</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_iI_pn3n3_c20211231_zaosGGXSQMYf" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Finance Leases 2022"><span style="font-family: Times New Roman, Times, Serif">398</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2023</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_iI_pn3n3_c20211231_z2pyED9zP8tf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases 2023"><span style="font-family: Times New Roman, Times, Serif">560</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98A_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearTwo_iI_pn3n3_c20211231_zKmmUhJdrXF6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases 2023"><span style="font-family: Times New Roman, Times, Serif">314</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2024</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98F_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearThree_iI_pn3n3_c20211231_z2egUjKSWyah" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases 2024"><span style="font-family: Times New Roman, Times, Serif">419</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearThree_iI_pn3n3_c20211231_z3purjmH9bv6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases 2024"><span style="font-family: Times New Roman, Times, Serif">310</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2025</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98D_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearFour_iI_pn3n3_c20211231_ziyTOTY9Exp5" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases 2025"><span style="font-family: Times New Roman, Times, Serif">327</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearFour_iI_pn3n3_c20211231_zCqeqWbpwI4d" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases 2025"><span style="font-family: Times New Roman, Times, Serif">299</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2026</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearFive_iI_pn3n3_c20211231_zQay14EEUYb9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases 2026"><span style="font-family: Times New Roman, Times, Serif">305</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98B_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearFive_iI_pn3n3_c20211231_z9343JkReote" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases 2026"><span style="font-family: Times New Roman, Times, Serif">82</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">2027 and thereafter</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_iI_pn3n3_c20211231_zmAYRdFCnaP7" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases 2027 and thereafter"><span style="font-family: Times New Roman, Times, Serif">955</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_988_eus-gaap--FinanceLeaseLiabilityPaymentsDueAfterYearFive_iI_pn3n3_c20211231_zm8aetqdqmx5" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="2027 and thereafter Finance Leases"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1029">-</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">Total undiscounted lease payments</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_988_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDue_iI_pn3n3_c20211231_zEhdr6i4qtA" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases Total undiscounted lease payments"><span style="font-family: Times New Roman, Times, Serif">3,142</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_eus-gaap--FinanceLeaseLiabilityPaymentsDue_c20211231_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases Total undiscounted lease payments"><span style="font-family: Times New Roman, Times, Serif">1,403</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Less: Imputed interest</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_iNI_pn3n3_di_c20211231_zz5uKbJVG4le" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases Less: Imputed interest"><span style="font-family: Times New Roman, Times, Serif">(707</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_eus-gaap--FinanceLeaseLiabilityUndiscountedExcessAmount_iNI_pn3n3_di_c20211231_zetjldfTHMsb" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases Less: Imputed interest"><span style="font-family: Times New Roman, Times, Serif">(186</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Present value of lease
    payments</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--OperatingLeaseLiability_c20211231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases Present value of lease payments"><span style="font-family: Times New Roman, Times, Serif">2,435</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--FinanceLeaseLiability_c20211231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases Present value of lease payments"><span style="font-family: Times New Roman, Times, Serif">1,217</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Current portion of operating lease obligations</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--OperatingLeaseLiabilityCurrent_c20211231_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Current portion of operating lease obligations"><span style="font-family: Times New Roman, Times, Serif">406</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Long-term operating lease obligations, less
    current portion</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--OperatingLeaseLiabilityNoncurrent_c20211231_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Long-term operating lease obligations, less current portion"><span style="font-family: Times New Roman, Times, Serif">2,029</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Current portion of finance lease obligations</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--FinanceLeaseLiabilityCurrent_c20211231_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Current portion of finance lease obligations"><span style="font-family: Times New Roman, Times, Serif">333</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Long-term finance lease obligations, less current
    portion</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#8212;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--FinanceLeaseLiabilityNoncurrent_c20211231_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Long-term finance lease obligations, less current portion"><span style="font-family: Times New Roman, Times, Serif">884</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_ScheduleOfSupplementalCashFlowAndOtherInformationRelatedToLeasesTableTextBlock', window );">SCHEDULE OF SUPPLEMENTAL CASH FLOW AND OTHER INFORMATION RELATED TO LEASES</a></td>
<td class="text"><p id="xdx_89D_ecustom--ScheduleOfSupplementalCashFlowAndOtherInformationRelatedToLeasesTableTextBlock_zCUd8CBC9QYf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Supplemental
cash flow and other information related to our leases were as follows (in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8BB_z4sLRG5LsH28" style="display: none">SCHEDULE OF SUPPLEMENTAL CASH FLOW AND OTHER INFORMATION RELATED TO LEASES</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="display: none; font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_493_20210101__20211231_zBK7sSpcSYu8" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_496_20200101__20201231_zNKV3ACRyRV5" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="padding-bottom: 1pt; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Twelve Months Ended December
    31,</span></td><td style="padding-bottom: 1pt; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Cash paid for amounts included in the measurement of lease liabilities:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--OperatingLeasePayments_pn3n3_zEaui73FcLyb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Operating cash
    flow from operating leases</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">439</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">442</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_400_eus-gaap--FinanceLeaseInterestExpense_pn3n3_zDsEyMYgN9A5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Operating cash flow from
    finance leases</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">97</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">143</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40D_eus-gaap--FinanceLeasePrincipalPayments_pn3n3_zmLXmfTVXOrg" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Financing cash flow from
    finance leases</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">334</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">615</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">ROU assets obtained in exchange for lease obligations
    for:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_406_eus-gaap--RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_pn3n3_zer0UzmrHjq3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Finance liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">577</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">874</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_pn3n3_zDOvJkSBhfW2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Operating liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">491</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1066">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Reduction to ROU assets resulitng from reassessment
    for</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_408_ecustom--ReductionToRightOfUseAssetsForFinanceLeaseLiability_pn3n3_zjy1SlzArhlj" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Finance liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(364</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td>
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1069">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>


<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DisclosureLeasesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DisclosureLeasesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of undiscounted cash flows of operating lease and finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease and finance lease liability recognized in statement of financial position.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_ScheduleOfSupplementalCashFlowAndOtherInformationRelatedToLeasesTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Schedule of supplemental cash flow and other information related to leases [Table Text Block]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_ScheduleOfSupplementalCashFlowAndOtherInformationRelatedToLeasesTableTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_ScheduleOfWeightedAverageLeaseTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Schedule of Weighted Average Lease [Table Text Block]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_ScheduleOfWeightedAverageLeaseTableTextBlock</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918686-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374798996744">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>PERMIT AND OTHER INTANGIBLE ASSETS (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract', window );"><strong>Goodwill and Intangible Assets Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock', window );">SCHEDULE OF INTANGIBLE ASSETS</a></td>
<td class="text"><p id="xdx_895_eus-gaap--ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock_zp9XYLNCMGc3" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table summarizes changes in the carrying value of permits. No permit exists at our Services and Medical Segments.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span><span id="xdx_8B0_zo1mWzc3A0Gf" style="display: none">SCHEDULE
OF INTANGIBLE ASSETS</span></span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Permit (amount in thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Treatment</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 78%"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2019</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_ecustom--Permits_iS_pn3n3_c20200101__20201231_zmgvndXZRKQ5" style="font-family: Times New Roman, Times, Serif; width: 18%; text-align: right" title="Permits, beginning balance"><span style="font-family: Times New Roman, Times, Serif">8,790</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="padding-left: 10pt; font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Permit in progress</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_ecustom--PermitInProgress_pn3n3_c20200101__20201231_zgBhfNhRORn3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Permits in progress"><span style="font-family: Times New Roman, Times, Serif">132</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_ecustom--Permits_iS_pn3n3_c20210101__20211231_zKywHxEslaUg" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Permits, beginning balance"><span style="font-family: Times New Roman, Times, Serif">8,922</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="padding-left: 10pt; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Permit renewal</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_ecustom--PermitRenewal_pn3n3_c20210101__20211231_zfTqPOJggB2f" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Permit renewal"><span style="font-family: Times New Roman, Times, Serif">121</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="padding-left: 10pt; font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Permit in progress</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98D_ecustom--PermitInProgress_pn3n3_c20210101__20211231_zazRHZdQ7j92" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Permits in progress"><span style="font-family: Times New Roman, Times, Serif">433</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_ecustom--Permits_iE_pn3n3_c20210101__20211231_zaP0dbUsdcMl" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Permits, ending balance"><span style="font-family: Times New Roman, Times, Serif">9,476</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock', window );">SCHEDULE OF DEFINITE LIVED INTANGIBLE ASSETS</a></td>
<td class="text"><p id="xdx_891_eus-gaap--ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock_zDAHyonv9cQc" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table summarizes information relating to the Company&#8217;s definite-lived intangible assets:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8BD_zmsTkvkafRbe" style="display: none">SCHEDULE
OF DEFINITE LIVED INTANGIBLE ASSETS</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2021</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2020</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Weighted Average<br/>
</span>Amortization</td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Gross</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Net</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Gross</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Net</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center">Other Intangibles</td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif"> Period</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Carrying</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Accumulated</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Carrying</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Carrying</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Accumulated</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Carrying</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif"> (amount in thousands)</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">(Years)</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amount</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amount</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"/><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 38%"><span style="font-family: Times New Roman, Times, Serif">Patent</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_907_eus-gaap--FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_dtY_c20210101__20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_zLgIjmafNb26" title="Weighted Average Amortization Period (Years)">8.3</span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--FiniteLivedIntangibleAssetsGross_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Gross Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">787</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Accumulated Amortization"><span style="font-family: Times New Roman, Times, Serif">(351</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_z1ErxKfaMJcc" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Net Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">436</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--FiniteLivedIntangibleAssetsGross_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Gross Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">742</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Accumulated Amortization"><span style="font-family: Times New Roman, Times, Serif">(334</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_zhU8B5H76Kme" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Net Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">408</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Software</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_902_eus-gaap--FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_dtY_c20210101__20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_zfJaj5pkxgS6" title="Weighted Average Amortization Period (Years)">3</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_eus-gaap--FiniteLivedIntangibleAssetsGross_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_z6G1u4Zg02p7" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">592</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_988_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_zAfc5G1VZ3Z7" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"><span style="font-family: Times New Roman, Times, Serif">(415</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_z2ToihshMog9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">177</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_986_eus-gaap--FiniteLivedIntangibleAssetsGross_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">418</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"><span style="font-family: Times New Roman, Times, Serif">(411</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_zNXuz1mxhxo9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">7</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Customer relationships</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_904_eus-gaap--FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_dtY_c20210101__20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_zuoRVRXxT7A5" title="Weighted Average Amortization Period (Years)">10</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--FiniteLivedIntangibleAssetsGross_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Gross Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">3,370</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"><span style="font-family: Times New Roman, Times, Serif">(3,089</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_zg6MOWHdZzWl" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">281</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_981_eus-gaap--FiniteLivedIntangibleAssetsGross_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Gross Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">3,370</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98A_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"><span style="font-family: Times New Roman, Times, Serif">(2,910</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_zPE6qxUhbg9k" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net Carrying Amount"><span style="font-family: Times New Roman, Times, Serif">460</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20211231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"><span style="font-family: Times New Roman, Times, Serif">(3,855</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock', window );">SCHEDULE OF FINITE LIVED INTANGIBLE ASSETS, FUTURE AMORTIZATION EXPENSE</a></td>
<td class="text"><p id="xdx_89D_eus-gaap--ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_zYkY4XahMZy5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table summarizes the expected amortization over the next five years for our definite-lived intangible assets:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;<span style="font-size: 10pt"><span id="xdx_8B8_zKPaHTqyQg78" style="display: none">SCHEDULE
OF FINITE LIVED INTANGIBLE ASSETS, FUTURE AMORTIZATION EXPENSE</span></span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 40%; margin-right: auto">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_493_20211231_zBDhF3LjvIq6" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amount</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Year</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">(In
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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  <tr id="xdx_40B_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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  <tr id="xdx_40C_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">2024</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">61</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_406_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">2026</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">11</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance and exist in perpetuity, by either major class or business segment.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (b),(d)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16373-109275<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121556970&amp;loc=d3e13816-109267<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374710315384">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>CAPITAL STOCK, STOCK PLANS, WARRANTS AND STOCK BASED COMPENSATION (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock', window );">SCHEDULE OF SHARE-BASED PAYMENT AWARD, STOCK OPTIONS, VALUATION ASSUMPTIONS</a></td>
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<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 60%; margin-left: 0.5in">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Employee Stock</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Option
    Granted</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 71%"><span style="font-family: Times New Roman, Times, Serif">Weighted-average fair value per share</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 25%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice_iI_pid_c20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_ztfP9n5DB5Xc" title="Weighted-average fair value per option">3.51</span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Risk -free interest rate <sup>(1)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_90A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_fKDEp_zKXGcbeBJo33" title="Risk -free interest rate">1.05</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected volatility of stock
    <sup>(2)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_902_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_fKDIp_zUGNJZ4qkdE9" title="Expected volatility of stock">58.61</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Dividend yield</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_pid_dpn_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_zRKqbMT29Ach" title="Dividend yield">None</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected option life <sup>(3)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_902_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20210101__20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_fKDMp_zfY2FwoV5Syl" title="Expected option life">5.0</span>
                                            years</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 40.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Outside
    Director Stock Options Granted</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 59%"><span style="font-family: Times New Roman, Times, Serif">Weighted-average fair value per share</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 17%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice_iI_pid_c20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_z7eZGwRIvgne" title="Weighted-average fair value per option">3.9</span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 17%; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_90D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice_iI_pid_c20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_zBBTtvZffvdi" title="Weighted-average fair value per option">4.66</span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span id="xdx_F46_zERZLtKFwozc" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Risk -free interest rate <sup>(1)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MinimumMember_fKDEp_zjwO8C9UhL7g" title="Risk -free interest rate">1.23%</span>-<span id="xdx_90E_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MaximumMember_fKDEp_zjOEDBNAlrO3" title="Risk -free interest rate">1.61</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left">%</td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MinimumMember_fKDEp_zjDaXnvtXVy2" title="Risk -free interest rate">0.59%</span>-<span id="xdx_905_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MaximumMember_fKDEp_zrlF6mKbsZD3" title="Risk -free interest rate">1.61</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left">%</td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span id="xdx_F45_zAA7ZGTl3qTf" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected volatility of stock
    <sup>(2)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MinimumMember_fKDIp_zPTcxoOf52jc" title="Expected volatility of stock">55.84%</span>-<span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MaximumMember_fKDIp_zthVOsjWTt18" title="Expected volatility of stock">55.91</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left">%</td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MinimumMember_fKDIp_zSH5PNM2c34f" title="Expected volatility of stock">55.83%</span>-<span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MaximumMember_fKDIp_zUoFpCBpEZx6" title="Expected volatility of stock">56.68</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Dividend yield</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_pid_dpn_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_fKDEp_zsuH9keRrwpb" title="Dividend yield">None</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_pid_dpn_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_fKDEp_z5QeRkaNMyAj" title="Dividend yield">None</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span id="xdx_F4B_ze9RORizdqpi" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected option life <sup>(3)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90E_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_fKDMp_z2cJes6XCti7" title="Expected option life">10.0</span>
                                            years</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_907_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_fKDMp_zs9rFipQzB5a" title="Expected option life">10.0</span>
                                            years</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 4.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt">
<tr style="vertical-align: top">
  <td style="text-align: justify; padding-left: 10pt; text-indent: -10pt; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F00_zSeoQ8WEQRTb">(1)</sup></span></td>
  <td style="text-align: justify"><span id="xdx_F12_zp4nCr8LvZRb" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The risk-free interest rate is based on the U.S. Treasury yield
in effect at the grant date over the expected term of the option.</span></td></tr>
</table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -49.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt">
<tr style="vertical-align: top">
  <td style="text-align: left; padding-left: 10pt; text-indent: -10pt; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0B_zJjrsTZPnir5">(2)</sup></span></td>
  <td style="text-align: left"><span id="xdx_F19_zGq0yE3hNQz3" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The expected volatility is based on historical volatility from
our traded Common Stock over the expected term of the option.</span></td></tr>
</table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -49.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt">
<tr style="vertical-align: top">
  <td style="text-align: left; padding-left: 10pt; text-indent: -10pt; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F06_zSFNCsKyYwKk">(3)</sup></span></td>
  <td style="text-align: left"><span id="xdx_F10_zN4Ftj7FyPe5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The expected option life is based on historical exercises and
post-vesting data.</span></td></tr>
</table>


<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock', window );">SCHEDULE OF SHARE-BASED COMPENSATION, ALLOCATION OF RECOGNIZED PERIOD COSTS</a></td>
<td class="text"><p id="xdx_897_eus-gaap--ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_zCJ8oFjBsVg9" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table summarizes stock-based compensation recognized for fiscal years 2021 and 2020.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B1_zEl2lTgT7RF8" style="display: none">SCHEDULE OF SHARE-BASED COMPENSATION, ALLOCATION OF RECOGNIZED PERIOD COSTS</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 60%; margin-right: auto">
  <tr style="display: none; font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_494_20210101__20211231_zW02Mh2RNRyl" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_495_20200101__20201231_z0mjQJyo4F2b" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Year
    Ended</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_eus-gaap--ShareBasedCompensation_pp0p0_hus-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_z47mQM4mOB35" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Employee Stock Options</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">178,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">132,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--ShareBasedCompensation_pp0p0_hus-gaap--AwardTypeAxis__custom--DirectorStockOptionsMember_z13cY7sGYwKb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Director Stock Options</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">72,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">104,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_eus-gaap--ShareBasedCompensation_pp0p0_zv0aHTbbIFrj" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">250,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">236,000</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
</table>

<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock', window );">SCHEDULE OF STOCK OPTIONS ROLL FORWARD</a></td>
<td class="text"><p id="xdx_899_eus-gaap--ScheduleOfStockOptionsRollForwardTableTextBlock_zL1m3b8mu78k" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
summary of the Company&#8217;s total plans as of December 31, 2021 and 2020, and changes during the period then ended are presented as
follows:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8BA_zHy05Sn8qpYa" style="display: none">SCHEDULE OF STOCK OPTIONS ROLL FORWARD</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Shares</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Weighted
    Average Exercise Price</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Weighted
    Average Remaining Contractual Term (years)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><span id="xdx_F5D_zbp9yPJr1o33" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Aggregate
                                            Intrinsic</span></p>
                                                                               <p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Value
                                            <sup>(4)</sup></span></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 40%"><span style="font-family: Times New Roman, Times, Serif">Options outstanding January 1, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iS_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zgGklyJ5wOV4" style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right" title="Shares Options Outstanding Beginning"><span style="font-family: Times New Roman, Times, Serif">658,400</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iS_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zmqpxNeI0r9c" style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right" title="Weighted Average Exercise Price Options Outstanding Beginning"><span style="font-family: Times New Roman, Times, Serif">3.87</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Granted</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zQTwKlb4qGI" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Granted"><span style="font-family: Times New Roman, Times, Serif">381,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zNNPGvvLiEU3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Granted"><span style="font-family: Times New Roman, Times, Serif">6.82</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Exercised</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_iN_pid_di_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zy0fkmtS4QTh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Exercised"><span style="font-family: Times New Roman, Times, Serif">(500</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zVyJBsyIp6z8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Exercised"><span style="font-family: Times New Roman, Times, Serif">3.15</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_pp0p0_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQp_zL7xiyv7FSAh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Exercised"><span style="font-family: Times New Roman, Times, Serif">2,175</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Forfeited/expired</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_iN_pid_di_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zh0L50Lc305f" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Forfeited/expired"><span style="font-family: Times New Roman, Times, Serif">(19,500</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_ztnTiALJZOi2" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Forfeited/expired"><span style="font-family: Times New Roman, Times, Serif">6.75</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Options outstanding end
    of period <sup>(1)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iE_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zEzDJgPjzci5" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Outstanding Ending"><span id="xdx_F2E_z3EwwXDOmmhl" style="font-family: Times New Roman, Times, Serif">1,019,400</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iE_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zUz9BAFaEY8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Outstanding Ending"><span style="font-family: Times New Roman, Times, Serif">4.91</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_901_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_dtY_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zTMQryDUwG7g" title="Weighted Average Remaining Contractual Term (years) Outstanding">4.0</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_iI_pp0p0_c20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQpKDEp_zhOpRoEJyob6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Outstanding"><span style="font-family: Times New Roman, Times, Serif">1,669,687</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Options exercisable at
    December 31, 2021<sup>(1)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_iI_pid_c20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zQjXjX3Q9iA2" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Exercisable"><span id="xdx_F26_zoAebPHWvGW6" style="font-family: Times New Roman, Times, Serif">438,400</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_iI_pid_c20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zLmtSqUgADNl" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Exercisable"><span style="font-family: Times New Roman, Times, Serif">3.95</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_909_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_dtY_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zoAfSipA6aEi" title="Weighted Average Remaining Contractual Term (years) Exercisable">2.7</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_iI_pp0p0_c20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQpKDEp_znE7zeyLP9Yl" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Exercisable"><span style="font-family: Times New Roman, Times, Serif">1,064,432</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Shares</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Weighted
    Average Exercise Price</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Weighted
    Average Remaining Contractual Term (years)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><span id="xdx_F54_zn5GUqkzICei" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Aggregate
                                            Intrinsic</span></p>
                                                                               <p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Value
                                            <sup>(4)</sup></span></p></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 40%; padding-left: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Options outstanding January
    1, 2020</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iS_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_z766s3wt05Wc" style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right" title="Shares Options Outstanding Beginning"><span style="font-family: Times New Roman, Times, Serif">681,300</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iS_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zIPxXVHqXfJ7" style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right" title="Weighted Average Exercise Price Options Outstanding Beginning"><span style="font-family: Times New Roman, Times, Serif">3.84</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Granted</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zdU3w2LbNF35" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Granted"><span style="font-family: Times New Roman, Times, Serif">24,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zkh7ZxLz4AFh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Granted"><span style="font-family: Times New Roman, Times, Serif">6.92</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Exercised</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_iN_pid_di_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zCpbeaObZOg4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Exercised"><span style="font-family: Times New Roman, Times, Serif">(12,500</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_z6O1YEmlQHo2" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Exercised"><span style="font-family: Times New Roman, Times, Serif">3.47</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_pp0d_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQp_zLCU7QOglEsi" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Exercised"><span style="font-family: Times New Roman, Times, Serif">16,060</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; padding-left: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Forfeited/expired</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_z6IQwBfutgd9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Forfeited/expired"><span style="font-family: Times New Roman, Times, Serif">5.52</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; padding-left: 1.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Options
    outstanding end of period <sup>(2)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iE_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDIp_zVH4SvzmNrI6" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Outstanding Ending"><span id="xdx_F2C_zm85sdRjKiT2" style="font-family: Times New Roman, Times, Serif">658,400</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iE_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDIp_z1cNWm1iuKD9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Outstanding Ending"><span style="font-family: Times New Roman, Times, Serif">3.87</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_90B_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_dtY_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDIp_zjGLWhU1JkD4" title="Weighted Average Remaining Contractual Term (years) Outstanding">3.5</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_iI_pp0p0_c20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQpKDIp_zeOBDNcWgHJe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Outstanding"><span style="font-family: Times New Roman, Times, Serif">1,426,143</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; padding-left: 1.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Options
    exercisable at December 31, 2020<sup>(3)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_iI_pid_c20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDMp_zCYFvFJtrid6" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Exercisable"><span id="xdx_F24_zVruLGAWslCh" style="font-family: Times New Roman, Times, Serif">356,400</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_iI_pid_c20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDMp_zHDirnWD3Vqi" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Exercisable"><span style="font-family: Times New Roman, Times, Serif">3.99</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_906_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_dtY_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDMp_zcCSotRAiIfl" title="Weighted Average Remaining Contractual Term (years) Exercisable">3.3</span></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_iI_pp0p0_c20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQpKDIp_zCyTN04BGRve" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Exercisable"><span style="font-family: Times New Roman, Times, Serif">732,163</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>


<p style="margin: 0; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<table border="0" cellpadding="0" cellspacing="0" style="width: 100%; font-family: Times New Roman, Times, Serif">
<tr style="vertical-align: top">
  <td style="width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F08_zz9BbCB6lkJk">(1)</sup></span></td>
  <td><span id="xdx_F19_zDRJ3QYiCCIk" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Options with exercise prices ranging from $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90F_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share lower limit">2.79</span> to $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share upper limit">7.50</span></span></td></tr>
</table>


<table border="0" cellpadding="0" cellspacing="0" style="width: 100%; font-family: Times New Roman, Times, Serif">
<tr style="vertical-align: top">
  <td style="width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0E_zHczYqkZFGSj">(2)</sup></span></td>
  <td><span id="xdx_F19_zPGJNml5oxE5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Options with exercise prices ranging from $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90A_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionExercisableMember_pdd" title="Stock option exercise price per share lower limit">2.79</span> to $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_907_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionExercisableMember_pdd" title="Stock option exercise price per share upper limit">7.29</span></span></td></tr>
</table>


<table border="0" cellpadding="0" cellspacing="0" style="width: 100%; font-family: Times New Roman, Times, Serif">
<tr style="vertical-align: top">
  <td style="width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F04_zNVlKmbaS0Sf">(3)</sup></span></td>
  <td><span id="xdx_F13_zBIGVxZsK5A" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Options with exercise prices ranging from $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90D_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_c20200101__20201231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share lower limit">2.79</span> to $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_c20200101__20201231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share upper limit">7.05</span></span></td></tr>
</table>


<table border="0" cellpadding="0" cellspacing="0" style="width: 100%; font-family: Times New Roman, Times, Serif">
<tr style="vertical-align: top">
  <td style="text-align: justify; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0B_z5T1y4vKpTd">(4)</sup></span></td>
  <td style="text-align: justify"><span id="xdx_F16_zVTbHBEiWVY6" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The intrinsic value of a stock option is the amount by which
the market value of the underlying stock exceeds the exercise price </span></td></tr>
</table>



<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_ScheduleOfNonVestedOptionsTableTextBlock', window );">SCHEDULE OF NON VESTED OPTIONS</a></td>
<td class="text"><p id="xdx_899_ecustom--ScheduleOfNonVestedOptionsTableTextBlock_zopEghZeDt7a" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
summary of the Company&#8217;s nonvested options as of December 31, 2021 and changes during the period then ended are presented as follows:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8BA_zNkGpRh9Fuwl" style="display: none">SCHEDULE OF NON VESTED OPTIONS</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 80%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Weighted Average</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Grant-Date</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Shares</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Fair
    Value</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%"><span style="font-family: Times New Roman, Times, Serif">Non-vested options January 1, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_iS_pid_c20210101__20211231_zQYnGr52c0bl" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Shares non vested options, beginning"><span style="font-family: Times New Roman, Times, Serif">302,000</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_iS_pid_c20210101__20211231_z4oxn7GXA0Lk" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Weighted average grant date fair value non vested options, beginning"><span style="font-family: Times New Roman, Times, Serif">1.94</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Granted</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20210101__20211231_zpMg959h6h82" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares non vested options, granted"><span style="font-family: Times New Roman, Times, Serif">381,000</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.</p></div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374788533352">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>INCOME (LOSS) PER SHARE (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareAbstract', window );"><strong>Earnings Per Share [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock', window );">SCHEDULE OF EARNINGS PER SHARE, BASIC AND DILUTED</a></td>
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following table reconciles the income (loss) and average share amounts used to compute both basic and diluted income per share:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B5_zrsniPTMZo6k" style="display: none">SCHEDULE OF EARNINGS PER SHARE, BASIC AND DILUTED</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
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    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left">&#160;</td><td style="font-family: Times New Roman, Times, Serif">&#160;</td>
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(Amounts in Thousands, Except
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_ziolAcX58WV3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Income
    </span><span style="font-family: Times New Roman, Times, Serif">from continuing operations, net of taxes</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,092</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3,149</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--NetIncomeLossAttributableToNoncontrollingInterest_pn3n3_zsgbAhHn3Dsi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Net
    loss attributable to non-controlling interest</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(123</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_400_eus-gaap--IncomeLossFromContinuingOperations_pn3n3_zArifN6SrMMc" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left">Income from continuing
    operations attributable to <span style="font-family: Times New Roman, Times, Serif">Perma-Fix Environmental
    Services, Inc. common stockholders</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,256</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3,272</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40B_eus-gaap--IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_pn3n3_zJkJerN5OdHi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left; padding-bottom: 1pt">Loss from discontinuing
    operations attributable to <span style="font-family: Times New Roman, Times, Serif">Perma-Fix
    Environmental Services, Inc. common stockholders</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(421</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(412</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_40A_eus-gaap--NetIncomeLoss_pn3n3_z5oSP8EbqvMc" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Net
    income attributable to Perma-Fix Environmental Services, Inc. common stockholders</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">835</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,860</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_402_eus-gaap--EarningsPerShareBasic_pid_zQSuRLmDVvM2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Basic income per share
    attributable to Perma-Fix Environmental Services, Inc. common stockholders</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">.07</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">.24</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_401_eus-gaap--EarningsPerShareDiluted_pid_zVds0rU6xJ13" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Diluted income per share
    attributable to Perma-Fix Environmental Services, Inc. common stockholders</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">.07</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">.23</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Weighted average shares outstanding:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_405_eus-gaap--WeightedAverageNumberOfSharesOutstandingBasic_pid_zwlOGpQfOSjb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Basic weighted average shares outstanding</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">12,433</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">12,139</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_eus-gaap--IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_pid_zDpsrPS6bC08" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Add: dilutive effect of
    stock options</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">211</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">184</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_400_eus-gaap--IncrementalCommonSharesAttributableToCallOptionsAndWarrants_pid_zJZMQxVQUP95" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Add:
    dilutive effect of warrants</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">29</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">24</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40D_eus-gaap--WeightedAverageNumberOfDilutedSharesOutstanding_pid_zcWvhVSpe546" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Diluted weighted average shares outstanding</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">12,673</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">12,347</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"/><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br></p></div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374709007608">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>DISCONTINUED OPERATIONS (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract', window );"><strong>Discontinued Operations and Disposal Groups [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DisposalGroupsIncludingDiscontinuedOperationBalanceSheetTableTextBlock', window );">SCHEDULE OF DISPOSAL GROUPS, INCLUDING DISCONTINUED OPERATION BALANCE SHEET</a></td>
<td class="text"><p id="xdx_89B_ecustom--DisposalGroupsIncludingDiscontinuedOperationBalanceSheetTableTextBlock_zXmMU4a93Pee" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table presents the major class of assets of discontinued operations at December 31, 2021 and December 31, 2020. No assets and
liabilities were held for sale at each of the periods noted.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span id="xdx_8BD_zcMLjLrqZnig" style="display: none">SCHEDULE OF DISPOSAL GROUPS, INCLUDING DISCONTINUED OPERATION BALANCE SHEET</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>
<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 90%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left">&#160;</td><td id="xdx_491_20211231_ztl7iiDWeI02" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right">&#160;</td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left">&#160;</td><td id="xdx_49C_20201231_zWujmFS0hJO7" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right">&#160;</td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left">&#160;</td></tr>
<tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December 31,</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December 31,</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(Amounts in Thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Current assets</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Other assets</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">22</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_401_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale_iTI_pn3n3_mtAODGIzXOJ_maDGIDOzwqA_zSx8xyr3opWd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total current assets</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">22</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Long-term assets</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_408_ecustom--DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent_iI_pn3n3_maDGIDOzLrQ_z8VQPJn84x32" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span id="xdx_F45_z3lcI0WsycH" style="font-family: Times New Roman, Times, Serif">Property, plant and equipment,
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">81</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total
    long-term assets</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">81</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">81</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_407_ecustom--DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale_iTI_pn3n3_mtDGIDOzwqA_zP0FQPcGDfB4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total
    assets</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">96</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">103</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Current liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_403_ecustom--DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale_iI_pn3n3_maLODGIzuUg_z0oipgEJ7tv6" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accounts payable</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">4</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_401_ecustom--DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities_iI_pn3n3_maLODGIzuUg_z2CE46jau6n5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accrued expenses and other liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">154</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">150</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_ecustom--DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities_iI_pn3n3_maLODGIzuUg_zouKplmZ8rha" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Environmental liabilities</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">349</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">744</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_403_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale_iTI_pn3n3_mtLODGIzuUg_maLODGIz0i8_zRhiKLHLHF38" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total current liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">506</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">898</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Long-term liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale_iI_pn3n3_maLODGIzy7I_zXVyV9ILZsy6" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Closure liabilities</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">150</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">142</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities_iI_pn3n3_maLODGIzy7I_zQYp8wVr2dng" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Environmental liabilities</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">527</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">110</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale_iTI_pn3n3_mtLODGIzy7I_maLODGIz0i8_zhfcMemv79Qk" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total
    long-term liabilities</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">677</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">252</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale_iI_pn3n3_mtLODGIz0i8_z1sfbf5Yxgz8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total
    liabilities</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,183</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,150</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 31.5pt"/><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 31.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt">
<tr style="vertical-align: top">
  <td style="text-align: justify; padding-left: 10pt; text-indent: -10pt; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0A_zlSUe9RFDp13">(1)</sup></span></td>
  <td style="text-align: justify"><span id="xdx_F19_z9WaFn6rfKef" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">net of accumulated depreciation of $<span><span><span class="xdx_phnt_RGlzY2xvc3VyZSAtIERJU0NPTlRJTlVFRCBPUEVSQVRJT05TIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization_c20200101__20201231_zD1sFl5Uu8c1"><span class="xdx_phnt_RGlzY2xvc3VyZSAtIERJU0NPTlRJTlVFRCBPUEVSQVRJT05TIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_907_eus-gaap--DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization_c20210101__20211231_zqRdqnjFI89h" title="Accumulated depreciation">10,000</span></span></span></span> for each period
presented.</span></td></tr>
</table>


<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock', window );">SCHEDULE OF CURRENT AND LONG TERM ACCRUED ENVIRONMENTAL LIABILITY</a></td>
<td class="text"><p id="xdx_892_eus-gaap--ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_zKHbImfFOX09" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
current and long-term accrued environmental liabilities at December 31, 2021 are summarized as follows (in thousands).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span id="xdx_8BE_zhyeReJfxW9j" style="display: none">SCHEDULE OF CURRENT AND LONG TERM ACCRUED ENVIRONMENTAL LIABILITY</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Current</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Long-term</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"/><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Accrual</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Accrual</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--AccruedEnvironmentalLossContingenciesCurrent_c20211231__dei--LegalEntityAxis__custom--PFDMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right" title="Current Accrual"><span style="font-family: Times New Roman, Times, Serif">8</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--AccruedEnvironmentalLossContingenciesNoncurrent_c20211231__dei--LegalEntityAxis__custom--PFDMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right" title="Long-term Accrual"><span style="font-family: Times New Roman, Times, Serif">60</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--AccrualForEnvironmentalLossContingencies_c20211231__dei--LegalEntityAxis__custom--PFDMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right" title="Total"><span style="font-family: Times New Roman, Times, Serif">68</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">PFM</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--AccruedEnvironmentalLossContingenciesCurrent_c20211231__dei--LegalEntityAxis__custom--PFMMember_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Current Accrual"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1603">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--AccruedEnvironmentalLossContingenciesNoncurrent_c20211231__dei--LegalEntityAxis__custom--PFMMember_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Long-term Accrual"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--AccrualForEnvironmentalLossContingencies_c20211231__dei--LegalEntityAxis__custom--PFMMember_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_eus-gaap--AccruedEnvironmentalLossContingenciesNoncurrent_c20211231__dei--LegalEntityAxis__custom--PFSGMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Long-term Accrual"><span style="font-family: Times New Roman, Times, Serif">452</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--AccrualForEnvironmentalLossContingencies_iI_pn3n3_c20211231_zl0Oeoet8jw3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"><span style="font-family: Times New Roman, Times, Serif">876</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374708998040">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>LONG-TERM DEBT (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtDisclosureAbstract', window );"><strong>Debt Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfDebtInstrumentsTextBlock', window );">SCHEDULE OF LONG TERM DEBT</a></td>
<td class="text"><p id="xdx_897_eus-gaap--ScheduleOfDebtInstrumentsTextBlock_zS2apXxVNghc" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Long-term
debt consists of the following at December 31, 2021 and December 31, 2020:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8BA_zjuae0j4Hfr2" style="display: none">SCHEDULE OF LONG TERM DEBT</span></span></p>
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(Amounts in Thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49C_20211231_zX6Jwoc1IrUc" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49C_20201231_zBPXl0YuGKwi" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">December
    31, 2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td></tr>
  <tr id="xdx_400_eus-gaap--LongTermDebt_iI_pn3n3_hus-gaap--LongtermDebtTypeAxis__custom--RevolvingCreditMember_zrlvgPx0jJMc" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt"><b>Revolving
    Credit</b> facility dated May 8, 2020, borrowings based upon eligible accounts receivable, subject to monthly borrowing base calculation,
    balance due on <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_905_eus-gaap--DebtInstrumentMaturityDate_dd_c20200507__20200508__us-gaap--TypeOfArrangementAxis__custom--RevolvingCreditMember_zXVZ7u6y2ssj" title="Debt due date">May 15, 2024</span>. Effective interest rate for 2021 and 2020 was <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_909_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_uPure_c20211231__us-gaap--TypeOfArrangementAxis__custom--RevolvingCreditMember_zA3nFPGRMkj4" style="font: 10pt Times New Roman, Times, Serif" title="Effective interest rate">5.3%</span> and <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_uPure_c20201231__us-gaap--TypeOfArrangementAxis__custom--RevolvingCreditMember_zEt8hB0UFD51" title="Effective interest rate">6.1%</span>. <sup id="xdx_F45_z3aC8tpxcWDj">(1) </sup></span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1625">&#8212;</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1626">&#8212;</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt"><b>Term
    Loan</b> dated May 8, 2020, payable in equal monthly installments of principal, balance due on <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90A_eus-gaap--DebtInstrumentMaturityDate_dd_c20200507__20200508__us-gaap--TypeOfArrangementAxis__custom--TermLoanMember_zeWdGD7tvZk2" title="Debt due date">May 15, 2024</span>. Effective interest rate
    for 2021 and 2020 was <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90B_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_uPure_c20211231__us-gaap--TypeOfArrangementAxis__custom--TermLoanMember_zZf5yHCfFdTd" title="Effective interest rate">4.5%</span> and <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_907_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_c20201231__us-gaap--TypeOfArrangementAxis__custom--TermLoanMember_z40l6Xwbqizf" title="Effective interest rate">5.2%</span>. <sup>(1) </sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--LongTermDebt_iI_pn3n3_c20211231__us-gaap--LongtermDebtTypeAxis__custom--TermLoanMember_fKDEpKDIp_zTgP0ny4tKy9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif">954</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(2)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--LongTermDebt_iI_pn3n3_c20201231__us-gaap--LongtermDebtTypeAxis__custom--TermLoanMember_fKDEpKDIp_zCNeYEMd0c48" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif">1,388</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(2)</sup></span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt"><b>Promissory
    Note</b> dated April 14, 2020, balance of loan forgiven. Interest accrued at annual rate of <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90F_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_c20200414__us-gaap--LongtermDebtTypeAxis__custom--RelatedPartyPromissoryNoteOneMember_zxngtnvVz7Qh" title="Effective interest rate">1.0%</span>. <sup>(3)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--LongTermDebt_iI_pn3n3_c20211231__us-gaap--LongtermDebtTypeAxis__custom--RelatedPartyPromissoryNoteOneMember_fKDMpKDQp_zDkw3ut2MTC5" style="font: 10pt Times New Roman, Times, Serif; width: 16%; text-align: right" title="Total debt"><span style="-sec-ix-hidden: xdx2ixbrl1646">&#8212;</span><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(4)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--LongTermDebt_iI_pn3n3_c20201231__us-gaap--LongtermDebtTypeAxis__custom--RelatedPartyPromissoryNoteOneMember_fKDMpKDQp_zBkONtKoB0I3" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif">5,318</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>(4)</sup></span></td></tr>
  <tr id="xdx_406_eus-gaap--LongTermDebt_iI_pn3n3_hus-gaap--LongtermDebtTypeAxis__custom--NotePayableMember_zODBoqEKBxIk" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><b>Notes
    Payable</b> to 2023 and 2025, annual interest rate of <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_c20211231__us-gaap--LongtermDebtTypeAxis__custom--NotePayableOneMember_zOGr2IFQLZ4" title="Effective interest rate">5.6%</span> and <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_c20201231__us-gaap--LongtermDebtTypeAxis__custom--NotePayableOneMember_z9R27xqRaxth" title="Effective interest rate">9.1%</span>.</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">39</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">23</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td></tr>
  <tr id="xdx_406_eus-gaap--LongTermDebt_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total debt</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">993</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">6,729</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td></tr>
  <tr id="xdx_40D_eus-gaap--LongTermDebtCurrent_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Less current portion of
    long-term debt</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">393</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3,595</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td></tr>
  <tr id="xdx_40E_eus-gaap--LongTermDebtNoncurrent_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Long-term debt</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">600</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3,134</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><sup>&#160;</sup></span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -27pt"/><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -27pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"/>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup/></span></p>

<table cellpadding="0" cellspacing="0" style="width: 100%; border-collapse: collapse">
  <tr style="vertical-align: top">
    <td style="width: 3%"><span id="xdx_F04_z8bhnUAIcot2" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(1)</span></td>
    <td style="width: 97%"><span id="xdx_F13_zB9ZzSQOUjRl" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Our
    revolving credit facility is collateralized by our accounts receivable and our term loan is collateralized by our property, plant,
    and equipment.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify">&#160;</p>

<table cellpadding="0" cellspacing="0" style="width: 100%; border-collapse: collapse">
  <tr style="vertical-align: top">
    <td style="width: 3%"><span id="xdx_F02_zncSiQYm3i25" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(2)</span></td>
    <td style="width: 97%"><span id="xdx_F1E_zdsvHIgpLU2" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Net
    of debt issuance/debt discount costs of ($<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90B_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20211231_zxv0W3sUClif" title="Debt issuance costs net">112,000</span>) and ($<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20201231_zM0KwtufEN59" title="Debt issuance costs net">105,000</span>) at December 31, 2021 and December 31, 2020, respectively.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup/></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"/>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b/></span></p>

<table cellpadding="0" cellspacing="0" style="width: 100%; border-collapse: collapse">
  <tr style="vertical-align: top">
    <td style="width: 3%"><span id="xdx_F0C_zWOp5ELx4fV1" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(3)</span></td>
    <td style="width: 97%"><span id="xdx_F11_z3pteyhMrab" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Uncollateralized
    note.</span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b/></span></p>

<table cellpadding="0" cellspacing="0" style="width: 100%; border-collapse: collapse">
  <tr style="vertical-align: top">
    <td style="width: 3%"><span id="xdx_F02_zUD9yETeTes2" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(4)</span></td>
    <td style="width: 97%"><span id="xdx_F1C_zfFY9fuztTqc" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Entered
    into with the Company&#8217;s credit facility lender under the PPP under the CARES Act (see &#8220;PPP Loan&#8221; below for information
    regarding forgiveness on the entire loan balance, along with accrued interest, effective June 15, 2021).</span></td></tr>
  </table>
<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock', window );">SCHEDULE OF MATURITIES OF LONG-TERM DEBT</a></td>
<td class="text"><p id="xdx_89E_eus-gaap--ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_z1SFKERHmdF5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
following table details the amount of the maturities of long-term debt maturing in future years at December 31, 2021 (excludes debt issuance
costs of $112,000).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B9_z1PGT6OX3U04" style="display: none">SCHEDULE OF MATURITIES OF LONG-TERM DEBT</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 50%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Year ending December 31:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of maturity and sinking fund requirement for long-term debt.</p></div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374708912264">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>ACCRUED EXPENSES (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="text">&#160;<span></span>
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expenses include the following (in thousands) at December 31:</span></p>

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OF ACCRUED EXPENSES</span></p>

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    accrued expenses</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374710296904">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>ACCRUED CLOSURE COSTS AND ARO (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationDisclosureAbstract', window );"><strong>Asset Retirement Obligation Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlock', window );">SCHEDULE OF CHANGE IN ASSET RETIREMENT OBLIGATION</a></td>
<td class="text"><p id="xdx_891_eus-gaap--ScheduleOfChangeInAssetRetirementObligationTableTextBlock_zbXUa0EXcW7d" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accrued
closure costs represent our estimated environmental liability to clean up our fixed-based regulated facilities as required by our permits,
in the event of closure. Changes to reported closure liabilities (current and long-term) for the years ended December 31, 2021 and 2020,
were as follows:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;<span id="xdx_8B2_ztAjkZwbF9y9" style="display: none">SCHEDULE
OF CHANGE IN ASSET RETIREMENT OBLIGATION</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 50%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Amounts in thousands</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 76%"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2019</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--AssetRetirementObligation_iS_pn3n3_c20200101__20201231_zvTz40Uyoqia" style="font-family: Times New Roman, Times, Serif; width: 20%; text-align: right" title="Balance at beginning"><span style="font-family: Times New Roman, Times, Serif">6,041</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accretion expense</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--AssetRetirementObligationAccretionExpense_pn3n3_c20200101__20201231_zLYtNtCYSVg6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Accretion expense"><span style="font-family: Times New Roman, Times, Serif">335</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Spending</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--AssetRetirementObligationLiabilitiesSettled_iN_pn3n3_di_c20200101__20201231_z3gG6KMKhve5" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Spending"><span style="font-family: Times New Roman, Times, Serif">(11</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--AssetRetirementObligation_iS_pn3n3_c20210101__20211231_zoqtLgxO5bCh" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Balance at beginning"><span style="font-family: Times New Roman, Times, Serif">6,365</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accretion expense</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--AssetRetirementObligationAccretionExpense_pn3n3_c20210101__20211231_zgMdAGT71Q88" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Accretion expense"><span style="font-family: Times New Roman, Times, Serif">377</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Addition to closure liability</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98A_ecustom--AdditionToClosureLiability_pn3n3_c20210101__20211231_z3r0HEVCs844" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Addition to closure liability."><span style="font-family: Times New Roman, Times, Serif">499</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Spending</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--AssetRetirementObligationLiabilitiesSettled_iN_pn3n3_di_c20210101__20211231_zA72uzZNIyPk" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Spending"><span style="font-family: Times New Roman, Times, Serif">(50</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--AssetRetirementObligation_iE_pn3n3_c20210101__20211231_zecSWmgyUORb" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Balance at end"><span style="font-family: Times New Roman, Times, Serif">7,191</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_ScheduleOfAssetRetirementObligationTableTextBlock', window );">SCHEDULE OF ASSET RETIREMENT OBLIGATIONS</a></td>
<td class="text"><p id="xdx_898_ecustom--ScheduleOfAssetRetirementObligationTableTextBlock_zsIlzQUAvSra" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
reported closure asset or ARO, is reported as a component of &#8220;Net Property and equipment&#8221; in the Consolidated Balance Sheets
at December 31, 2021 and 2020 with the following activity for the years ended December 31, 2021 and 2020:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;<span id="xdx_8B0_zDMsKwH1UkVj" style="display: none">SCHEDULE
OF ASSET RETIREMENT OBLIGATIONS</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 70%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Amounts in thousands</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 78%"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2019</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_ecustom--ClosureAndPostClosureAssets_iS_pn3n3_c20200101__20201231_zxIIfWGYcv24" style="font-family: Times New Roman, Times, Serif; width: 18%; text-align: right" title="Balance at beginning"><span style="font-family: Times New Roman, Times, Serif">3,539</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Amortization of closure
    and post-closure asset</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_ecustom--AmortizationOfClosureAndPostClosureAsset_pn3n3_c20200101__20201231_zosYWoyu6m2b" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Amortization of closure and post-closure asset"><span style="font-family: Times New Roman, Times, Serif">(191</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_ecustom--ClosureAndPostClosureAssets_iS_pn3n3_c20210101__20211231_zoPdBY92PPa9" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Balance at beginning"><span style="font-family: Times New Roman, Times, Serif">3,348</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Addition to closure and post-closure asset</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_ecustom--AdditionToClosureAndPostClosureAsset_pn3n3_c20210101__20211231_zG8DLRDXoEjk" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Addition to closure and post-closure asset"><span style="font-family: Times New Roman, Times, Serif">478</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Amortization of closure
    and post-closure asset</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_ecustom--AmortizationOfClosureAndPostClosureAsset_pn3n3_c20210101__20211231_zCMXgVuijnbb" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Amortization of closure and post-closure asset"><span style="font-family: Times New Roman, Times, Serif">(250</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Balance as of December 31, 2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_ecustom--ClosureAndPostClosureAssets_iE_pn3n3_c20210101__20211231_zHe4ZSN8G5l3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Balance at end"><span style="font-family: Times New Roman, Times, Serif">3,576</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of changes in carrying amount of asset retirement obligation reported as component of net property and equipment.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13201-110859<br></p></div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374710240088">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>INCOME TAXES (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureAbstract', window );"><strong>Income Tax Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock', window );">SCHEDULE OF INCOME (LOSS) BEFORE INCOME TAX (BENEFIT) EXPENSE</a></td>
<td class="text"><p id="xdx_898_eus-gaap--ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_zvsjIlEBQbbf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
components of (loss) income before income tax benefits by jurisdiction for continuing operations for the years ended December 31, consisted
of the following (in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;<span id="xdx_8B1_z8QCcgCCTk2g" style="display: none">SCHEDULE
OF INCOME (LOSS) BEFORE INCOME TAX (BENEFIT) EXPENSE</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 80%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">United States</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__srt--StatementGeographicalAxis__country--US_zGFg6g5xDy0g" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Income before tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif">(1,733</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_981_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__srt--StatementGeographicalAxis__country--US_z8kUTdXTHDi9" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Income before tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif">4,778</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Canada</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__srt--StatementGeographicalAxis__country--CA_znqFkBs5JwUh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif">(1,880</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_986_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__srt--StatementGeographicalAxis__country--CA_zBFRLNqXU3Wb" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif">(1,391</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">United Kingdom</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__srt--StatementGeographicalAxis__country--GB_zV4nGC5behm4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif">(246</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98B_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__srt--StatementGeographicalAxis__country--GB_zgPqCru2Oj0d" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif">(121</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Poland</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_981_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__srt--StatementGeographicalAxis__country--PL_zeC45FbHzto6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif">1,061</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__srt--StatementGeographicalAxis__country--PL_z5CLUQovfaHg" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif">(306</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total
    (loss) income before tax benefit</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231_zM8d9HGkK8Rb" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif">(2,798</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231_zBIsK134kNJh" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif">2,960</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock', window );">SCHEDULE OF COMPONENTS OF INCOME TAX (BENEFIT) EXPENSE</a></td>
<td class="text"><p id="xdx_899_eus-gaap--ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_zjgrXWTTAPT5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
components of current and deferred federal and state income tax (benefits) expense for continuing operations for the years ended December
31, consisted of the following (in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;<span id="xdx_8BB_zL1pIL7VOJJ1" style="display: none">SCHEDULE
OF COMPONENTS OF INCOME TAX (BENEFIT) EXPENSE</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 80%; margin-right: auto">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_499_20210101__20211231_z5QIJ2i5PFO4" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_491_20200101__20201231_zlbUVkbWcMW9" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40A_eus-gaap--DeferredFederalIncomeTaxExpenseBenefit_pn3n3_zsrgaHC9qaV2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Federal income tax (benefit) expense
    - deferred</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(3,503</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">4</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_eus-gaap--CurrentStateAndLocalTaxExpenseBenefit_pn3n3_zdZ0Y7298T8h" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">State income tax benefit - current</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(56</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(70</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_40C_eus-gaap--ForeignIncomeTaxExpenseBenefitContinuingOperations_pn3n3_zIntjL4Bda7f" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Foreign income tax expense - current</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">26</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1826">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_403_eus-gaap--DeferredStateAndLocalIncomeTaxExpenseBenefit_pn3n3_zB9t1H7tTJQf" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">State income tax benefit
    - deferred</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(357</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(123</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_40E_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_zzX5Lim6l7zi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total
    income tax benefit</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(3,890</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(189</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  </table>

<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock', window );">SCHEDULE OF EFFECTIVE INCOME TAX RATE RECONCILIATION</a></td>
<td class="text"><p id="xdx_89B_eus-gaap--ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_zCb7zltXSXNe" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">An
overall reconciliation between the expected tax benefit using the federal statutory rate of 21% for each of the years ended 2021 and
2020 and the benefit for income taxes from continuing operations as reported in the accompanying Consolidated Statement of Operations
is provided below (in thousands).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;<span id="xdx_8B1_z4chcFeUeSO7" style="display: none">SCHEDULE
OF EFFECTIVE INCOME TAX RATE RECONCILIATION</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 90%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_490_20210101__20211231_zBDETspWTGzg" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49C_20200101__20201231_zWuGxaVJicEk" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40B_eus-gaap--IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_pn3n3_zSPU08tKvhZd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Federal tax (benefit) expense at
    statutory rate</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(588</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">622</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40C_eus-gaap--IncomeTaxReconciliationStateAndLocalIncomeTaxes_pn3n3_z13WyOPJ84X6" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">State tax benefit, net of federal benefit</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(412</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(192</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_401_ecustom--IncomeTaxReconciliationChangeInDeferredTaxAssets_pn3n3_zGqdAG78N0u2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Change in deferred tax rates</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(93</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(71</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_407_eus-gaap--IncomeTaxReconciliationNondeductibleExpense_pn3n3_z3Mg1GMQ2Eyi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Permanent items</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">62</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">126</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_ecustom--PppLoanForgiveness_pn3n3_zXrlm9ROXiz2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">PPP Loan forgiveness</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(1,130</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1849">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40F_ecustom--DebtForgivenessPFMPoland_pn3n3_zvMA3RFW1Qg5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Debt forgiveness (PFM Poland)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(518</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1852">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_409_eus-gaap--IncomeTaxReconciliationForeignIncomeTaxRateDifferential_pn3n3_zJpxelkBLd3f" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Difference in foreign rate</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(135</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(68</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_401_ecustom--TrueupOfDeferredTaxItems_pn3n3_zPvAQgWc1csj" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">True-up of deferred tax items</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,058</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(256</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_405_eus-gaap--IncomeTaxReconciliationOtherAdjustments_pn3n3_zvRUUeuMyuCi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Other</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(7</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">117</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_pn3n3_zXgfKO4hfFR4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Decrease in valuation
    allowance</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(2,127</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(467</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_409_eus-gaap--IncomeTaxExpenseBenefit_iT_pn3n3_zYQGGgtxOOgd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Income tax benefit</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(3,890</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(189</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  </table>

<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock', window );">SCHEDULE OF DEFERRED TAX ASSETS AND LIABILITIES</a></td>
<td class="text"><p id="xdx_893_eus-gaap--ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_zER9EJTuuAEd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
Company had temporary differences and net operating loss carry forwards from both our continuing and discontinued operations, which gave
rise to deferred tax assets and liabilities at December 31, 2021 and 2020 as follows (in thousands):</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;<span id="xdx_8BE_zEh05S3E8iW8" style="display: none">SCHEDULE
OF DEFERRED TAX ASSETS AND LIABILITIES</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif"/></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_494_20211231_z0lqxuRPOPEg" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49A_20201231_zIZjeckP5Haa" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif">Deferred tax assets:</td><td style="font-family: Times New Roman, Times, Serif">&#160;</td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center">&#160;</td><td style="font-family: Times New Roman, Times, Serif">&#160;</td><td style="font-family: Times New Roman, Times, Serif">&#160;</td>
    <td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center">&#160;</td><td style="font-family: Times New Roman, Times, Serif">&#160;</td></tr>
  <tr id="xdx_406_eus-gaap--DeferredTaxAssetsOperatingLossCarryforwards_iI_pn3n3_maDTAGzsp1_zH8W7avaAmp4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Net operating
    losses</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10,057</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">8,662</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40F_eus-gaap--DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals_iI_pn3n3_maDTAGzsp1_zfBMa0baPK" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Environmental and closure
    reserves</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,040</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,839</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_402_ecustom--DeferredTaxAssetsLeaseLiability_iI_pn3n3_maDTAGzsp1_zuOIdnuGG2Z" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Lease liability</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">575</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">642</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_405_ecustom--CapitalLossCarryforward_iI_pn3n3_maDTAGzsp1_zr2ynlsxcA46" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Capital loss carryforward</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">740</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1889">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_eus-gaap--DeferredTaxAssetsOther_iI_pn3n3_maDTAGzsp1_zwGtPLq6kdX" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif">Other</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,099</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,734</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Deferred tax liabilities:</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_404_eus-gaap--DeferredTaxLiabilitiesPropertyPlantAndEquipment_iNI_pn3n3_di_msDTAGzsp1_zlWtBMILDYpd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Depreciation and amortization</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(3,362</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(3,447</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_40E_ecustom--IndefiniteLivedIntangibleAssets_iNI_pn3n3_di_msDTAGzsp1_zJMHbwndo9t5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Indefinite lived intangible
    assets</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(464</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(471</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_402_ecustom--DeferredTaxLiabilitiesRightofuseLeaseAsset_iNI_pn3n3_di_msDTAGzsp1_zdjnBYhAFo6b" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Right-of-use lease asset</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(583</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(627</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_40C_ecustom--DeferredTaxLiabilitiesAdjustment_iNI_pn3n3_di_msDTAGzsp1_z5Tobe13uoXc" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt"><span style="font-family: Times New Roman, Times, Serif">481(a) adjustment</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(104</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(209</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr>
  <tr id="xdx_402_eus-gaap--DeferredTaxLiabilitiesPrepaidExpenses_iNI_pn3n3_di_msDTAGzsp1_zlNlCADUmxx8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Prepaid
    expenses</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(24</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374708952072">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>PF MEDICAL (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DisclosurePfMedicalAbstract', window );"><strong>Pf Medical</strong></a></td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_ScheduleOfLossOnDeconsolidationTableTextBlock', window );">SCHEDULE OF LOSS ON DECONSOLIDATION</a></td>
<td class="text"><p id="xdx_892_ecustom--ScheduleOfLossOnDeconsolidationTableTextBlock_zDwWYHUMlQA8" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;<span id="xdx_8B9_zt7fXTiWDGUi" style="display: none">SCHEDULE
OF LOSS ON DECONSOLIDATION</span></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 70%; margin-right: auto">
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">(In thousands)</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374710779352">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SEGMENT REPORTING (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingAbstract', window );"><strong>Segment Reporting [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock', window );">SCHEDULE OF SEGMENT REPORTING INFORMATION</a></td>
<td class="text"><p id="xdx_89D_eus-gaap--ScheduleOfSegmentReportingInformationBySegmentTextBlock_gL3SOSRIBSTB-SOTSPE_z62Y5KkK9ZKi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
table below shows certain financial information of our reporting segments as of and for the years ended December 31, 2021 and 2020 (in
thousands).</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span id="xdx_8B9_zQPhFvtIFFjl" style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">SCHEDULE OF SEGMENT REPORTING INFORMATION</span></p>

<p style="margin: 0; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Segment Reporting as of and for the
year ended December 31, 2021</b></span></p>



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<tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consolidated
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    <td style="font-family: Times New Roman, Times, Serif; width: 36%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Revenue
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    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z9uzBFMOsGpg" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">32,992</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98B_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z1ileXoUqttj" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">39,199</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="width: 1%; font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="width: 1%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zwrzRJjy7ura" style="width: 6%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Revenue from external customers"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2092">&#8212;</span></b></span></td><td style="width: 4%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_fKDMpKDQp_z3Q1MAbmLp23" style="font: 10pt Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">72,191</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 4%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F25_z3hnexLNo2jh">(3)(4)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zBeoBMKDfptg" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl2096">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 4%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231_zbxk7k8FtcEk" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">72,191</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
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    revenues</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98B_ecustom--IntercompanyRevenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z9Zsh2pP34L4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Intercompany revenues"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,265</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_989_ecustom--IntercompanyRevenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zHouQ3SJNGuj" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Intercompany revenues"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2104">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_987_ecustom--IntercompanyRevenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z6WgwPUUEgT4" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Intercompany revenues"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl2108">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><p id="xdx_981_ecustom--IntercompanyRevenues_pn3n3_c20210101__20211231_zG6LHh0JW3wl" style="font: 8.5pt/107% Times New Roman, Times, Serif; margin: 0" title="Intercompany revenues"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl2110">&#8212;</span></span></p></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_eus-gaap--GrossProfit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zVsriOsvmEQ7" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">106</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_986_eus-gaap--GrossProfit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zO84PacoKfuf" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Gross profit"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2116">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98B_eus-gaap--GrossProfit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zoBRUkHbg1Xj" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">6,824</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right"><p id="xdx_98E_eus-gaap--GrossProfit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z944djxs6eWh" style="font: 8.5pt/107% Times New Roman, Times, Serif; margin: 0" title="Gross profit"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl2120">&#8212;</span></span></p></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"/><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Research
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_985_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z1gNvSmCtIN7" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">221</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_981_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z1CF5Szs0vy3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">71</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98A_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zu7Yk4OmNEL8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">414</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_988_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zvc1z0a0NaM5" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">706</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98F_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zUp8MMvetW0e" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">40</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98C_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231_zRapfUQyaNla" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">746</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Interest
    income</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98A_eus-gaap--InterestIncomeOther_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zSceVNH7FTqa" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest income"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_983_eus-gaap--InterestIncomeOther_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z1LUasixjfsh" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest income"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2138">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right"><p id="xdx_989_eus-gaap--InterestIncomeOther_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zqtL8vEQM5Cf" style="font: 8.5pt/107% Times New Roman, Times, Serif; margin: 0" title="Interest income"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl2140">&#8212;</span></span></p></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"/><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_eus-gaap--InterestIncomeOther_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zaGXVOyzcjKf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest income"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_989_eus-gaap--InterestIncomeOther_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zBFGc8LBIL0e" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest income"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">25</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_981_eus-gaap--InterestIncomeOther_pn3n3_c20210101__20211231_zXdulaC9ytL8" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Interest income"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">26</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Interest
    expense</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_988_eus-gaap--InterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zKmGBWnKaCNf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(100</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98F_eus-gaap--InterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zgBe0gQgPJz" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(10</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_989_eus-gaap--InterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zsN69I9wVWcd" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest expense"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2152">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_eus-gaap--InterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zDb5tjHzdwh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(110</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_eus-gaap--InterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zm1LjiLhXzf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(137</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_983_eus-gaap--Assets_iI_pn3n3_c20211231_fKDEp_zY95y5iCmXLe" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Segment assets"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">77,301</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup/></span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expenditures
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_987_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zCnAqD26gEm3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,363</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_989_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_znyeYgF3ITnc" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">205</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98C_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zSzcwgKgi8Bk" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2236">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_988_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zIZpOb36v1yc" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,568</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98B_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zSiuZLFccFbe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">9</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231_fKDcp_z0irfybaEPQf" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,577</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F23_zsSsAuz9Yqz5">(7)</sup></span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total
    debt</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_984_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z5Ka5GMKQU07" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">25</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_985_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zdt82idfRTu4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">14</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98D_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zAcpX7r83yZb" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2248">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_980_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zsm9HZUgnlS9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">39</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_983_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z8xV15mXUBhf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">954</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_988_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231_fKDYp_zCrgdKoPcSxl" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">993</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F28_zEURqZ6fcbB3">(6)</sup></span></td></tr>
  </table>

<p style="margin: 0; font-family: Times New Roman, Times, Serif"/><p style="margin: 0; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<p style="margin: 0; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Segment Reporting as of and for the
year ended December 31, 2020</b></span></p>



<p style="margin: 0; font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>
<table cellpadding="0" cellspacing="0" style="font: 8.5pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consolidated
    Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 36%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Revenue
    from external customers</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z4YfMtdPm659" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">30,143</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zfOcqrKRscIl" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">75,283</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="width: 1%; font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="width: 1%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_988_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zXLkRtiPogEg" style="width: 6%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Revenue from external customers"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2260">&#8212;</span></b></span></td><td style="width: 4%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_fKDMpKDQp_zeWBLF4U7fl9" style="font: 10pt Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">105,426
                                            </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 4%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F2D_zerWrp5lJPa1">(3)(4)</sup></span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z79iAGS1RsW5" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl2264">&#8212;</span></span></td><td style="font-family: Times New Roman, Times, Serif; width: 4%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231_zSc7bNSpA6Od" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">105,426</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Intercompany
    revenues</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zhswloUZWBNd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Intercompany revenues"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,493</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_981_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zvGOx0YSEARe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Intercompany revenues"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">25</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98F_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zYhnVV0rQiGe" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Intercompany revenues"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2272">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98D_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zi43jqKoOsD3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Intercompany revenues"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,518</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98A_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zzE4tqruZjD7" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Intercompany revenues"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span style="-sec-ix-hidden: xdx2ixbrl2276">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_986_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231_ztBJ1Z5DnhWh" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Intercompany revenues"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2278">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Gross
    profit</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_981_eus-gaap--GrossProfit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zsURkHBdV9Bk" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">5,491</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_984_eus-gaap--GrossProfit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zitlm7BkT76a" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">10,402</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_981_eus-gaap--GrossProfit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zEZhYuPb6i83" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Gross profit"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2284">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_987_eus-gaap--GrossProfit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zrCD821Vnxyi" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">15,893</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_989_eus-gaap--GrossProfit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zDwZUqSD7Cal" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Gross profit"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2288">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98F_eus-gaap--GrossProfit_pn3n3_c20200101__20201231_zPyIddH0cp4f" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">15,893</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Research
    and development</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_987_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zrkOn9BMwDci" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">243</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zYGc43KQdc9k" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">132</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_982_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zk3VC30Lf4G1" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">311</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_987_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zWciVPL1h86e" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">686</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98B_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z5NaR5Yq3UP4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">76</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Interest
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    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_983_eus-gaap--InterestIncomeOther_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zaddKMJHnS5l" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Interest income"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_985_eus-gaap--InterestIncomeOther_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zqSSgtxHLrNg" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest income"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">139</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_981_eus-gaap--InterestIncomeOther_pn3n3_c20200101__20201231_z8VXk8CZWzT9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest income"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">140</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Interest
    expense</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_982_eus-gaap--InterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zNYTrMO1yB3l" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(115</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_988_eus-gaap--InterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zUhzQsCMPet4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(27</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_eus-gaap--InterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zvXFrPh8WrRg" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest expense"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2320">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_987_eus-gaap--InterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zrKIJjUaR448" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(142</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98A_eus-gaap--InterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zPrMmULVghue" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(256</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Interest
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    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_983_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zDWqXWKNpII5" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest expense-financing fees"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2328">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_985_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zWAZAPPLuSH5" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest expense-financing fees"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2330">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zNu0LVpu3f24" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest expense-financing fees"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2332">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><p id="xdx_987_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_z8cjoDKA1W5i" style="font: 8.5pt/107% Times New Roman, Times, Serif; margin: 0" title="Interest expense-financing fees"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl2334">&#8212;</span></span></p></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"/><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_985_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zXZJ8Ey0SaH4" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest expense-financing fees"><span style="font: normal 10pt Times New Roman, Times, Serif">(294</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font: 10pt Times New Roman, Times, Serif"/>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Depreciation
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_983_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zkRIkHnKBYca" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,204</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98D_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zi10KHdc9qXd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">354</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_981_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_znNmHtTUBnu3" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Depreciation and amortization"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2344">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_987_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zTMyt21UY4A" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,558</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98D_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zGMakBw32gy8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">38</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Segment
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Income
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98F_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zGWmhQy92urj" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(258</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_983_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20200101__20201231_zRQf7DeI4ful" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(189</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Segment
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zSQTPrJqwE9h" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,758</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98A_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z24TAZJryqSl" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">7,820</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span id="xdx_F4F_zaw25Qa5dBO5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Segment
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    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_985_eus-gaap--Assets_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_fKDEpKDgp_zXPN8ZvB5Phc" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Segment assets"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">22,368</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F2E_zqoRAnyceaF3">(8)</sup></span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
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    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_989_eus-gaap--Assets_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDEpKDIpKDUp_z2gP20mzfH98" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Segment assets"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">24,210
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    for segment assets (net)</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98C_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zhpHHa79zGu5" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,264</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_981_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zDZGbYeb7Qw1" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">451</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_982_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zIKQaKattGFb" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2404">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_989_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_ztjmTcrGECNk" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,715</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_984_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zEJXPk8ZilXl" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2408">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_987_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231_fKDcp_zvP711BaoZEk" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,715</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F29_z7RrU7ztbGk2">(7)</sup></span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total
    debt</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_987_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zZ3837AWyvgk" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2412">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_984_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z1hp8CrOXjyj" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">23</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_987_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zmahB1OlTyQa" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>&#160;<span style="-sec-ix-hidden: xdx2ixbrl2416">&#8212;</span></b></span></td><td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98E_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zUrnT4WbPuif" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">23</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_98D_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zmry6TvaU6Ia" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">6,706</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></td><td id="xdx_983_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231_fKDYp_zeSyXX6VCfka" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Total debt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">6,729</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F27_zcdquH0N1OLa">(6)</sup></span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -0.5in"/><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>




<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -9pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

<table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt">
<tr style="vertical-align: top">
  <td style="text-align: left; padding-left: 0pt; text-indent: 0pt; width: 13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0A_zqle1JRt7FU8">(1)</sup></span></td>
  <td style="text-align: left; padding-left: 0pt; text-indent: 0pt"><span id="xdx_F1F_zpElVBqgz833" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Segment assets have been adjusted for intercompany accounts
to reflect actual assets for each segment.</span></td></tr>
</table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>&#160;</sup></span></p>

<table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt">
<tr style="vertical-align: top">
  <td style="text-align: left; padding-left: 0pt; text-indent: 0pt; width: 13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F01_zuaqdJ5qMs5a">(2)</sup></span></td>
  <td style="text-align: left; padding-left: 0pt; text-indent: 0pt"><span id="xdx_F1B_ziHDQavTfXef" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amounts reflect the activity for corporate headquarters not
included in the segment information.</span></td></tr>
</table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/></p>

<table cellpadding="0" cellspacing="0" style="width: 100%">
  <tr style="vertical-align: top">
    <td style="font: 11pt Calibri, Helvetica, Sans-Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sub id="xdx_F04_z9xl3ckMm6N6">(3)</sub></span></td>
    <td style="font: 11pt Calibri, Helvetica, Sans-Serif; text-align: justify"><span id="xdx_F1B_zw55YsKOxuej" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
    Company performed services relating to waste generated by government clients (domestic and foreign (primarily Canadian)), either
    directly as a prime contractor or indirectly for others as a subcontractor to government entities, representing approximately <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_908_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pid_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember_zrNlgpKXyT8g" title="Net revenues">60,812,000</span>
    or <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_908_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember_z3BoNprriHDa" title="Concentration risk, percentage">84.2%</span>
    of total revenue for 2021 and <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pid_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember_z6dAUDyJrxd2" title="Net revenues">96,582,000</span>
    or <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember_zGAoZGR5xSP4" title="Concentration risk, percentage">91.6%</span>
    of total revenue for 2020. The following reflects such revenue generated by our two segments:</span></td></tr>
  </table>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0" summary="xdx: Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details)">
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0"/><td style="font: 10pt Times New Roman, Times, Serif; width: 13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F06_zvBpbpyXNhC2">(4)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F1B_zGIWMSE4spU9" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
                                            following table reflects revenue based on customer location:</span></td></tr>
</table>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0" summary="xdx: Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details)">
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td id="xdx_F07_zdt0MJua4YI3" style="font: 10pt Times New Roman, Times, Serif; width: 13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(5)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F12_zXnNmdiCSQtc" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amount
                                            includes assets from our discontinued operations of $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90C_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20211231_zMxArjQKn737" title="Assets of disposal group including discontinued operation including not held for sale">96,000</span> and $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_900_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20201231_zyIYQYgdGwXd" title="Assets of disposal group including discontinued operation including not held for sale">103,000</span> at December 31,
                                            2021 and 2020, respectively.</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td id="xdx_F04_zdl3HpsCC2Eg" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(6)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F1D_zWmISz6qCRfb" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Net
                                            of debt discount/debt issuance costs of ($<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_906_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20211231_zOUUwwU4N4La" title="Debt issuance costs">112,000</span>) and ($<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90F_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20201231_zqflA2cGoJya" title="Debt issuance costs">105,000</span>) for 2021 and 2020, respectively
                                            (see &#8220;Note 10 &#8211; &#8220;Long-Term Debt&#8221; for additional information).</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0A_zk5PVX0lT6z5">(7)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F1F_zrBcgh7PDF6k" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Net
                                            of financed amount of $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20210101__20211231_z27nqqcMuVg1" title="Financed portion amount in the purchase of capital expenditure">585,000</span> and $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90C_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20200101__20201231_zeM5sHuj1x03" title="Financed portion amount in the purchase of capital expenditure">883,000</span> for the year ended December 31, 2021 and 2020,
                                            respectively.</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0F_zEz4vAZyE3Ta">(8)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F1A_zBd2LGA38Jvh" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Includes
                                            long-lived asset (net) for our PF Canada, Inc. subsidiary of $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90D_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20211231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_zbjdNmwS4S87" title="Long-lived asset (net)">25,000</span> and $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_906_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20201231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_z668KDn1vrw8" title="Long-lived asset (net)">33,000</span> for the
                                            year ended December 31, 2021 and 2020, respectively.</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F05_zXISe2xh6Ee7">(9)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F15_zY94RjQGVGbh" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amount
                                            includes approximately $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pid_c20210101__20211231__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zBqzi4Gl24wf" title="Gain on extinguishment of debt">5,381,000</span> of &#8220;Gain on extinguishment of debt&#8221; recorded
                                            in connection with the Company&#8217;s PPP Loan which was forgiven by the SBA effective June
                                            15, 2021 (see &#8220;Note 10 &#8211; Long Term Debt &#8211; PPP Loan&#8221; for information
                                            of this loan forgiveness).</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td id="xdx_F0E_zUhiJfT0sTu7" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(10)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F10_zdLhZr9HSYGj" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Includes
                                            tax benefit recorded in amount of approximately $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_pid_c20210701__20210930_zPuvB5nPxMnc" title="Income tax benefit valuation allowance">2,351,000</span> resulting from release of valuation
                                            allowance on the Company&#8217;s deferred tax assets (see &#8220;Note 13 Income Taxes&#8221;
                                            for a discussion of this tax benefit).</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td id="xdx_F00_zlVrHas1itVj" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(11)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F1A_zEPzJQA1k2u3" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Includes
                                            elimination of gain/loss of $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_907_eus-gaap--DebtInstrumentDecreaseForgiveness_pid_c20210101__20211231_z5joKvpaezbj" title="Debt instrument, decrease, forgivenes">2,537,000</span> in debt forgiveness between PFM Poland and the Company
                                            (see &#8220;Note 14 &#8211; PF Medical for a discussion of this debt forgiveness.</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top">
<td id="xdx_F02_zuh36uNPNNO7" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(12)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F16_z9gBfUuKR9c5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amount
                                            includes a &#8220;Loss on deconsolidation of subsidiary&#8221; recorded in the amount of
                                            approximately $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--DeconsolidationGainOrLossAmount_iN_pip0_di_c20210101__20211231_zi540Q0xidPi" title="Deconsolidation, gain  (Loss),  amount">1,062,000</span> resulting from the sale of PFM Poland (see &#8220;Note 14 &#8211;
                                            PF Medical for a discussion of this loss).</span></td></tr>
</table>

<p style="margin-top: 0; margin-bottom: 0"/>
&#160;<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 20pt"><span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0" summary="xdx: Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details)"><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif; width: 0"/><td style="font: 10pt Times New Roman, Times, Serif; width: 13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F00_zjfqCl1itOR3">(4)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F1E_zcD3nCtfAx46" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
                                            following table reflects revenue based on customer location:</span></td></tr></table>

<span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;</span><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#160;</span></p>
<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0" summary="xdx: Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details)"><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td id="xdx_F03_zuXj8rW3CUNf" style="font: 10pt Times New Roman, Times, Serif; width: 13.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(5)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F15_z88JAqpNLMv3" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amount
                                            includes assets from our discontinued operations of $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_902_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20211231_zzU11uniMzSa" title="Assets of disposal group including discontinued operation including not held for sale">96,000</span> and $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90D_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20201231_zpH0szXn1AQ1" title="Assets of disposal group including discontinued operation including not held for sale">103,000</span> at December 31,
                                            2021 and 2020, respectively.</span></td></tr><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>

<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td id="xdx_F0B_ztpUQuASXdCi" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(6)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F13_zEL7gmEsW8Z" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Net
                                            of debt discount/debt issuance costs of ($<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20211231_zkI2uVvINRt1" title="Debt issuance costs">112,000</span>) and ($<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_900_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20201231_zZO6vYnu6qL" title="Debt issuance costs">105,000</span>) for 2021 and 2020, respectively
                                            (see &#8220;Note 10 &#8211; &#8220;Long-Term Debt&#8221; for additional information).</span></td></tr><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>

<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0B_zxnPwjRXbZv3">(7)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F19_zJcRQphzLHQ5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Net
                                            of financed amount of $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20210101__20211231_zi546SNfv35f" title="Financed portion amount in the purchase of capital expenditure">585,000</span> and $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90D_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20200101__20201231_zySP0RoIexle" title="Financed portion amount in the purchase of capital expenditure">883,000</span> for the year ended December 31, 2021 and 2020,
                                            respectively.</span></td></tr><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>

<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F09_zRzGTDPb8v32">(8)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F14_zOMo9Gway4ad" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Includes
                                            long-lived asset (net) for our PF Canada, Inc. subsidiary of $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_905_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20211231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_zuqCgkg8Kmi4" title="Long-lived asset (net)">25,000</span> and $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_902_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20201231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_zHcOyT3a3QEc" title="Long-lived asset (net)">33,000</span> for the
                                            year ended December 31, 2021 and 2020, respectively.</span></td></tr><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>

<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup id="xdx_F0C_ze6jeaPeoMMd">(9)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F18_zbHrKAO2X7Rf" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amount
                                            includes approximately $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90F_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pid_c20210101__20211231__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zNqcYUv829x1" title="Gain on extinguishment of debt">5,381,000</span> of &#8220;Gain on extinguishment of debt&#8221; recorded
                                            in connection with the Company&#8217;s PPP Loan which was forgiven by the SBA effective June
                                            15, 2021 (see &#8220;Note 10 &#8211; Long Term Debt &#8211; PPP Loan&#8221; for information
                                            of this loan forgiveness).</span></td></tr><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>

<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td id="xdx_F0E_zKEmyRF337Ia" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(10)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F10_zPDbPBhk2ESa" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Includes
                                            tax benefit recorded in amount of approximately $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_905_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_pid_c20210701__20210930_zrS5nbEUok0l" title="Income tax benefit valuation allowance">2,351,000</span> resulting from release of valuation
                                            allowance on the Company&#8217;s deferred tax assets (see &#8220;Note 13 Income Taxes&#8221;
                                            for a discussion of this tax benefit).</span></td></tr><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>

<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td id="xdx_F0B_zKtOMKshQXpj" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(11)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F19_zaxOHAfBP0bc" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Includes
                                            elimination of gain/loss of $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--DebtInstrumentDecreaseForgiveness_pid_c20210101__20211231_zPnmx8rtCul3" title="Debt instrument, decrease, forgivenes">2,537,000</span> in debt forgiveness between PFM Poland and the Company
                                            (see &#8220;Note 14 &#8211; PF Medical for a discussion of this debt forgiveness.</span></td></tr><tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>

<tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top">
<td id="xdx_F0D_zxE5AjHcDrh5" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><sup>(12)</sup></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span id="xdx_F11_zE6DVPjUS3za" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amount
                                            includes a &#8220;Loss on deconsolidation of subsidiary&#8221; recorded in the amount of
                                            approximately $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_900_eus-gaap--DeconsolidationGainOrLossAmount_iN_pip0_di_c20210101__20211231_zjsXwuxTeaZa" title="Deconsolidation, gain  (Loss),  amount">1,062,000</span> resulting from the sale of PFM Poland (see &#8220;Note 14 &#8211;
                                            PF Medical for a discussion of this loss).</span></td></tr></table>

&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock', window );">SCHEDULE OF REVENUE BY MAJOR CUSTOMERS BY REPORTING SEGMENTS</a></td>
<td class="text"><p id="xdx_89E_eus-gaap--ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock_zVFmL4nDcv0i" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 20pt"><span id="xdx_8B2_zrwosZVVLwZ" style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">SCHEDULE OF REVENUE BY MAJOR CUSTOMERS BY REPORTING SEGMENTS</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Treatment</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Treatment</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Services</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 40%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Domestic government</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zAdtV655HdDj" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"><span style="font-family: Times New Roman, Times, Serif">22,538</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zwBdF3RIK2n5" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"><span style="font-family: Times New Roman, Times, Serif">29,013</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--Revenues_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zUWpUxwVZja6" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"><span style="font-family: Times New Roman, Times, Serif">51,551</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zdoWe0KUBgsa" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"><span style="font-family: Times New Roman, Times, Serif">22,795</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zernlPOLD4Yg" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"><span style="font-family: Times New Roman, Times, Serif">68,237</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zwygVhflueqf" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"><span style="font-family: Times New Roman, Times, Serif">91,032</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">Foreign government</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_986_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_z9RN8fejMmfh" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"><span style="font-family: Times New Roman, Times, Serif">577</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zF6zZvlhrSai" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"><span style="font-family: Times New Roman, Times, Serif">8,684</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zMjHrK0uw0mh" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"><span style="font-family: Times New Roman, Times, Serif">9,261</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zbXLk9Vp2cXe" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"><span style="font-family: Times New Roman, Times, Serif">415</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98E_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zQG4pkPcERY9" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"><span style="font-family: Times New Roman, Times, Serif">5,135</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zWTi3vpMjjo5" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"><span style="font-family: Times New Roman, Times, Serif">5,550</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zaajcg2u0Pve" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"><span style="font-family: Times New Roman, Times, Serif">23,115</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zbMaOtsTBT78" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"><span style="font-family: Times New Roman, Times, Serif">37,697</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20210101__20211231_zUjbUqLHHpzj" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"><span style="font-family: Times New Roman, Times, Serif">60,812</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zycim0QbSnM5" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"><span style="font-family: Times New Roman, Times, Serif">23,210</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zgxaJ87K3n8d" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"><span style="font-family: Times New Roman, Times, Serif">73,372</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20200101__20201231_zhtEi6cdf5y4" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"><span style="font-family: Times New Roman, Times, Serif">96,582</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  </table>

<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromExternalCustomersByGeographicAreasTableTextBlock', window );">SCHEDULE OF REVENUE BASED ON CUSTOMER LOCATION</a></td>
<td class="text"><p id="xdx_890_eus-gaap--RevenueFromExternalCustomersByGeographicAreasTableTextBlock_zsRn3husty05" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify">&#160;<span id="xdx_8B7_z21RDHkmmhy7" style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">SCHEDULE
OF REVENUE BASED ON CUSTOMER LOCATION</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%">
  <tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom">
    <td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_49A_20210101__20211231_z90rTw9Imm5g" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2021</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" id="xdx_493_20200101__20201231_zbd0Ws92EXs9" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2020</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_408_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hsrt--StatementGeographicalAxis__country--US_zwN7e1w46Yy2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">United States</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">62,257</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">99,790</span></td><td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_40E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hsrt--StatementGeographicalAxis__country--CA_zCOahG1gYpl9" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
    <td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">Canada</span></td><td style="font-family: Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">5,550</span></td><td style="font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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  <tr id="xdx_40A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hsrt--StatementGeographicalAxis__country--GB_zEV3uKlZmZBh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White">
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    <td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">86</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr id="xdx_406_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_zvFzAmSfKOwh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">72,191</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif">105,426</span></td><td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 41<br> -Subparagraph a<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9038-108599<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the extent of the entity's reliance on its major customers, if revenues from transactions with a single external customer amount to 10 percent or more of entity revenues, including the disclosure of that fact, the total amount of revenues from each such customer, and the identity of the reportable segment or segments reporting the revenues. The entity need not disclose the identity of a major customer or the amount of revenues that each segment reports from that customer. For these purposes, a group of companies known to the entity to be under common control is considered a single customer, and the federal government, a state government, a local government such as a county or municipality, or a foreign government is each considered a single customer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374707371528">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Details Narrative) - USD ($)<br></strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 30, 2021</div></th>
<th class="th"><div>May 04, 2021</div></th>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfCommonStock', window );">Proceeds from issuance of common stock</a></td>
<td class="nump">$ 5,765,000<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity', window );">Line of credit, borrowing capacity</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,000,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Cash', window );">Cash on hand</a></td>
<td class="nump">4,444,000<span></span>
</td>
<td class="nump">$ 7,924,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember', window );">Revolving Credit Facility [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity', window );">Line of credit, borrowing capacity</a></td>
<td class="nump">8,692,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Cash', window );">Cash on hand</a></td>
<td class="nump">4,440,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember', window );">Common Stock [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfCommonStock', window );">Proceeds from issuance of common stock</a></td>
<td class="nump">$ 6,200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues', window );">Shares issued during period, new issue</a></td>
<td class="nump">1,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ConsolidatedEntitiesAxis=PESI_PFMPolandMember', window );">PFM Poland [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_SalesOfInterestPercentage', window );">Sale of interest in subsidiaries</a></td>
<td class="nump">100.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TypeOfArrangementAxis=PESI_SalesAgreementMember', window );">Sales Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EquityMethodInvestmentOwnershipPercentage', window );">Equity Method Investment, Ownership Percentage</a></td>
<td class="nump">60.54%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">60.54%<span></span>
</td>
<td class="text">&#160;<span></span>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sales of interest percentage.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Cash">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 946<br> -SubTopic 210<br> -Section 45<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=118262064&amp;loc=SL116631418-115840<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 946<br> -SubTopic 210<br> -Section 45<br> -Paragraph 21<br> -URI http://asc.fasb.org/extlink&amp;oid=118262064&amp;loc=SL116631419-115840<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Cash</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EquityMethodInvestmentOwnershipPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EquityMethodInvestmentOwnershipPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromIssuanceOfCommonStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from the additional capital contribution to the entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromIssuanceOfCommonStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of new stock issued during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=d3e21463-112644<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodSharesNewIssues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_ConsolidatedEntitiesAxis=PESI_PFMPolandMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ConsolidatedEntitiesAxis=PESI_PFMPolandMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TypeOfArrangementAxis=PESI_SalesAgreementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TypeOfArrangementAxis=PESI_SalesAgreementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
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<SEQUENCE>60
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<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374705907400">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF CREDIT LOSSES FOR FINANCING RECEIVABLES, CURRENT (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent', window );">Allowance for doubtful accounts - beginning of year</a></td>
<td class="nump">$ 404<span></span>
</td>
<td class="nump">$ 487<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesProvision', window );">Provision for (recovery of) bad debt reserve</a></td>
<td class="nump">41<span></span>
</td>
<td class="num">(101)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff', window );">(Write-off) recovery of write-off</a></td>
<td class="num">(360)<span></span>
</td>
<td class="nump">18<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent', window );">Allowance for doubtful accounts - end of year</a></td>
<td class="nump">$ 85<span></span>
</td>
<td class="nump">$ 404<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesProvision">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Increase/decrease in allowance for doubtful account due to provision or recovery of bad debt reserves.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesProvision</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Increase/decrease in allowance for doubtful account due to recovery of write off or write off.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountingPoliciesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountingPoliciesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of allowance for credit loss on accounts receivable, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123577603&amp;loc=d3e5074-111524<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 326<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=124255206&amp;loc=SL82895884-210446<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
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<head>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374702876264">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductInformationLineItems', window );"><strong>Product Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Cash', window );">Cash on hand</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4,444,000<span></span>
</td>
<td class="nump">$ 7,924,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RestrictedCashNoncurrent', window );">Finite risk sinking fund</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">11,471,000<span></span>
</td>
<td class="nump">11,446,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization', window );">Finance leases assets recorded</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,409,000<span></span>
</td>
<td class="nump">2,285,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization', window );">Finance leases accumulated depreciation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">475,000<span></span>
</td>
<td class="nump">291,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_FixedAssetsOfFinanceLease', window );">Finance leases net fixed asset</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,934,000<span></span>
</td>
<td class="nump">1,994,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Depreciation', window );">Depreciation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,476,000<span></span>
</td>
<td class="nump">1,357,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue</a></td>
<td class="nump">$ 1,286,000<span></span>
</td>
<td class="nump">72,191,000<span></span>
</td>
<td class="nump">105,426,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember', window );">Revenue Benchmark [Member] | Government Clients [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductInformationLineItems', window );"><strong>Product Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">60,812,000<span></span>
</td>
<td class="nump">96,582,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember', window );">Revenue Benchmark [Member] | Government Clients [Member] | Services Segment [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductInformationLineItems', window );"><strong>Product Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 8,526,000<span></span>
</td>
<td class="nump">$ 41,011,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember', window );">Revenue Benchmark [Member] | Government Clients [Member] | Customer Concentration Risk [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductInformationLineItems', window );"><strong>Product Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskPercentage1', window );">Concentration Risk, Percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">84.20%<span></span>
</td>
<td class="nump">91.60%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember', window );">Revenue Benchmark [Member] | Government Clients [Member] | Customer Concentration Risk [Member] | Services Segment [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductInformationLineItems', window );"><strong>Product Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskPercentage1', window );">Concentration Risk, Percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">11.80%<span></span>
</td>
<td class="nump">38.90%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember', window );">Accounts Receivable [Member] | Customer One [Member] | Customer Concentration Risk [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductInformationLineItems', window );"><strong>Product Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskPercentage1', window );">Concentration Risk, Percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">18.20%<span></span>
</td>
<td class="nump">41.10%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember', window );">Accounts Receivable [Member] | Customer Two [Member] | Customer Concentration Risk [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductInformationLineItems', window );"><strong>Product Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskPercentage1', window );">Concentration Risk, Percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">23.50%<span></span>
</td>
<td class="nump">19.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember', window );">Accounts Receivable [Member] | Customer Three [Member] | Customer Concentration Risk [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductInformationLineItems', window );"><strong>Product Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskPercentage1', window );">Concentration Risk, Percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">12.50%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MinimumMember', window );">Minimum [Member] | Receipt [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductInformationLineItems', window );"><strong>Product Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_PercentageOfRevenueRecognized', window );">Percentage of revenue recognized</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">9.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MinimumMember', window );">Minimum [Member] | Treatment/ Processing [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductInformationLineItems', window );"><strong>Product Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_PercentageOfRevenueRecognized', window );">Percentage of revenue recognized</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">15.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MinimumMember', window );">Minimum [Member] | Shipment/ Final Disposal [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductInformationLineItems', window );"><strong>Product Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_PercentageOfRevenueRecognized', window );">Percentage of revenue recognized</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">9.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum [Member] | Receipt [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductInformationLineItems', window );"><strong>Product Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_PercentageOfRevenueRecognized', window );">Percentage of revenue recognized</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">33.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum [Member] | Treatment/ Processing [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductInformationLineItems', window );"><strong>Product Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_PercentageOfRevenueRecognized', window );">Percentage of revenue recognized</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">79.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum [Member] | Shipment/ Final Disposal [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductInformationLineItems', window );"><strong>Product Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_PercentageOfRevenueRecognized', window );">Percentage of revenue recognized</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">52.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember', window );">Building [Member] | Minimum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductInformationLineItems', window );"><strong>Product Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Property, plant and equipment, useful life</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">10 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember', window );">Building [Member] | Maximum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductInformationLineItems', window );"><strong>Product Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Property, plant and equipment, useful life</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">40 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=PESI_OfficeFurnitureAndEquipmentMember', window );">Office Furniture and Equipment [Member] | Minimum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductInformationLineItems', window );"><strong>Product Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Property, plant and equipment, useful life</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">3 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=PESI_OfficeFurnitureAndEquipmentMember', window );">Office Furniture and Equipment [Member] | Maximum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductInformationLineItems', window );"><strong>Product Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Property, plant and equipment, useful life</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">7 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ConsolidatedEntitiesAxis=PESI_ForeignSubsidiariesMember', window );">Foreign Subsidiaries [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductInformationLineItems', window );"><strong>Product Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Cash', window );">Cash on hand</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 26,000<span></span>
</td>
<td class="nump">$ 377,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_FixedAssetsOfFinanceLease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fixed assets of finance lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_FixedAssetsOfFinanceLease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_PercentageOfRevenueRecognized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of revenue recognized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_PercentageOfRevenueRecognized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Cash">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 946<br> -SubTopic 210<br> -Section 45<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=118262064&amp;loc=SL116631418-115840<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 946<br> -SubTopic 210<br> -Section 45<br> -Paragraph 21<br> -URI http://asc.fasb.org/extlink&amp;oid=118262064&amp;loc=SL116631419-115840<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Cash</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConcentrationRiskPercentage1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 42<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9054-108599<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 18<br> -URI http://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6351-108592<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=123594938&amp;loc=d3e13531-108611<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 21<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123594938&amp;loc=d3e13537-108611<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6404-108592<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConcentrationRiskPercentage1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Depreciation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Depreciation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of accumulated amortization of right-of-use asset from finance lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918686-209980<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123391704&amp;loc=SL77918638-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before accumulated amortization, of right-of-use asset from finance lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123391704&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProductInformationLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProductInformationLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentUsefulLife">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentUsefulLife</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RestrictedCashNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6812-107765<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(17))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=SL98516268-108586<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 954<br> -SubTopic 210<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=120413173&amp;loc=SL116631458-115580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RestrictedCashNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8906-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 40<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9031-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 41<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9038-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130543-203045<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 42<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9054-108599<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130545-203045<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 924<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 11.L)<br> -URI http://asc.fasb.org/extlink&amp;oid=6472922&amp;loc=d3e499488-122856<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_MajorCustomersAxis=PESI_GovernmentClientsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_MajorCustomersAxis=PESI_GovernmentClientsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=PESI_ServicesSegmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=PESI_ServicesSegmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_MajorCustomersAxis=PESI_CustomerOneMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_MajorCustomersAxis=PESI_CustomerOneMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_MajorCustomersAxis=PESI_CustomerTwoMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_MajorCustomersAxis=PESI_CustomerTwoMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_MajorCustomersAxis=PESI_CustomerThreeMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_MajorCustomersAxis=PESI_CustomerThreeMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MinimumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MinimumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_ProductOrServiceAxis=PESI_ReceiptMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ProductOrServiceAxis=PESI_ReceiptMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_ProductOrServiceAxis=PESI_TreatmentOrProcessingMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ProductOrServiceAxis=PESI_TreatmentOrProcessingMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_ProductOrServiceAxis=PESI_ShipmentOrFinalDisposalMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ProductOrServiceAxis=PESI_ShipmentOrFinalDisposalMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=PESI_OfficeFurnitureAndEquipmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=PESI_OfficeFurnitureAndEquipmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_ConsolidatedEntitiesAxis=PESI_ForeignSubsidiariesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ConsolidatedEntitiesAxis=PESI_ForeignSubsidiariesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>62
<FILENAME>R46.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374704112168">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF DISAGGREGATION OF REVENUE (Details) - USD ($)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="nump">$ 1,286,000<span></span>
</td>
<td class="nump">$ 72,191,000<span></span>
</td>
<td class="nump">$ 105,426,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=PESI_DomesticGovernmentMember', window );">Domestic Government [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">51,551,000<span></span>
</td>
<td class="nump">91,032,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=PESI_DomesticCommercialMember', window );">Domestic Commercial [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10,706,000<span></span>
</td>
<td class="nump">8,758,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=PESI_ForeignGovernmentMember', window );">Foreign Government [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">9,261,000<span></span>
</td>
<td class="nump">5,550,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=PESI_ForeignCommercialMember', window );">Foreign Commercial [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">673,000<span></span>
</td>
<td class="nump">86,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=PESI_TreatmentMember', window );">Treatment [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">32,992,000<span></span>
</td>
<td class="nump">30,143,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=PESI_TreatmentMember', window );">Treatment [Member] | Domestic Government [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">22,538,000<span></span>
</td>
<td class="nump">22,795,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=PESI_TreatmentMember', window );">Treatment [Member] | Domestic Commercial [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">9,294,000<span></span>
</td>
<td class="nump">6,933,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=PESI_TreatmentMember', window );">Treatment [Member] | Foreign Government [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">577,000<span></span>
</td>
<td class="nump">415,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=PESI_TreatmentMember', window );">Treatment [Member] | Foreign Commercial [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">583,000<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=PESI_ServicesMember', window );">Services [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">39,199,000<span></span>
</td>
<td class="nump">75,283,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=PESI_ServicesMember', window );">Services [Member] | Domestic Government [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">29,013,000<span></span>
</td>
<td class="nump">68,237,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=PESI_ServicesMember', window );">Services [Member] | Domestic Commercial [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,412,000<span></span>
</td>
<td class="nump">1,825,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=PESI_ServicesMember', window );">Services [Member] | Foreign Government [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">8,684,000<span></span>
</td>
<td class="nump">5,135,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=PESI_ServicesMember', window );">Services [Member] | Foreign Commercial [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">90,000<span></span>
</td>
<td class="nump">86,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskByBenchmarkAxis=PESI_FixedPriceMember', window );">Fixed Price [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">44,228,000<span></span>
</td>
<td class="nump">39,113,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskByBenchmarkAxis=PESI_FixedPriceMember', window );">Fixed Price [Member] | Treatment [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">32,992,000<span></span>
</td>
<td class="nump">30,143,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskByBenchmarkAxis=PESI_FixedPriceMember', window );">Fixed Price [Member] | Services [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">11,236,000<span></span>
</td>
<td class="nump">8,970,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskByBenchmarkAxis=PESI_TimeandMaterialsMember', window );">Time and Materials [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">27,963,000<span></span>
</td>
<td class="nump">66,313,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskByBenchmarkAxis=PESI_TimeandMaterialsMember', window );">Time and Materials [Member] | Treatment [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskByBenchmarkAxis=PESI_TimeandMaterialsMember', window );">Time and Materials [Member] | Services [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 27,963,000<span></span>
</td>
<td class="nump">$ 66,313,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisaggregationOfRevenueLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisaggregationOfRevenueLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8906-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 40<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9031-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 41<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9038-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130543-203045<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 42<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9054-108599<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130545-203045<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 924<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 11.L)<br> -URI http://asc.fasb.org/extlink&amp;oid=6472922&amp;loc=d3e499488-122856<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_MajorCustomersAxis=PESI_DomesticGovernmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_MajorCustomersAxis=PESI_DomesticGovernmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_MajorCustomersAxis=PESI_DomesticCommercialMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_MajorCustomersAxis=PESI_DomesticCommercialMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_MajorCustomersAxis=PESI_ForeignGovernmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_MajorCustomersAxis=PESI_ForeignGovernmentMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_MajorCustomersAxis=PESI_ForeignCommercialMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_MajorCustomersAxis=PESI_ForeignCommercialMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=PESI_TreatmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=PESI_TreatmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=PESI_ServicesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=PESI_ServicesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConcentrationRiskByBenchmarkAxis=PESI_FixedPriceMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConcentrationRiskByBenchmarkAxis=PESI_FixedPriceMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConcentrationRiskByBenchmarkAxis=PESI_TimeandMaterialsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConcentrationRiskByBenchmarkAxis=PESI_TimeandMaterialsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<head>
<title></title>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374709299736">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF CONTRACT ASSETS AND LIABILITIES (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsReceivableNetCurrent', window );">Account receivables, net of allowance</a></td>
<td class="nump">$ 11,372<span></span>
</td>
<td class="nump">$ 9,659<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnbilledReceivablesCurrent', window );">Unbilled receivables - current</a></td>
<td class="nump">8,995<span></span>
</td>
<td class="nump">14,453<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_IncreaseDecreaseInUnbilledReceivable', window );">Changes in unbilled receivables - current</a></td>
<td class="num">(5,458)<span></span>
</td>
<td class="nump">6,469<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueCurrent', window );">Deferred revenue</a></td>
<td class="nump">5,580<span></span>
</td>
<td class="nump">$ 4,614<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardDateAxis=PESI_YearToDateChangesMember', window );">Year-to-date Change [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease', window );">Change in account receivable, net of allowances</a></td>
<td class="nump">$ 1,713<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_ChangesInAccountReceivablesNetOfAllowancePercentage', window );">Changes in account receivables, net of allowances, percentage</a></td>
<td class="nump">17.70%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_IncreaseDecreaseInUnbilledReceivable', window );">Changes in unbilled receivables - current</a></td>
<td class="num">$ (5,458)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_ChangeInUnbilledReceivablesCurrentPercentage', window );">Changes in unbilled receivables - current, percentage</a></td>
<td class="num">(37.80%)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInContractWithCustomerLiability', window );">Changes in deferred revenue</a></td>
<td class="nump">$ 966<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_ChangesInDeferredRevenuePercentage', window );">Changes in deferred revenue, percentage</a></td>
<td class="nump">20.90%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_ChangeInUnbilledReceivablesCurrentPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of change in unbilled receivables - current percentage.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_ChangeInUnbilledReceivablesCurrentPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_ChangesInAccountReceivablesNetOfAllowancePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of change in account receivables, net of allowance.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_ChangesInAccountReceivablesNetOfAllowancePercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_ChangesInDeferredRevenuePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of change in deferred revenue.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_ChangesInDeferredRevenuePercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_IncreaseDecreaseInUnbilledReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Increase decrease in unbilled receivable.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_IncreaseDecreaseInUnbilledReceivable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsReceivableNetCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=124259787&amp;loc=d3e4428-111522<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6676-107765<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124259787&amp;loc=d3e4531-111522<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsReceivableNetCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in allowance for credit loss on accounts receivable.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 326<br> -SubTopic 20<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=124255953&amp;loc=SL82919249-210447<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredRevenueCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredRevenueCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInContractWithCustomerLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 912<br> -SubTopic 310<br> -Section 45<br> -Paragraph 11<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123371682&amp;loc=d3e55415-109406<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInContractWithCustomerLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnbilledReceivablesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnbilledReceivablesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AwardDateAxis=PESI_YearToDateChangesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardDateAxis=PESI_YearToDateChangesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>64
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<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374708956632">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>REVENUE (Details Narrative) - USD ($)<br></strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerAbstract', window );"><strong>Revenue from Contract with Customer [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ContractWithCustomerLiabilityRevenueRecognized', window );">Revenue recognized</a></td>
<td class="nump">$ 7,196,000<span></span>
</td>
<td class="nump">$ 8,094,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ContractWithCustomerLiabilityRevenueRecognized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130549-203045<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ContractWithCustomerLiabilityRevenueRecognized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueFromContractWithCustomerAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueFromContractWithCustomerAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>65
<FILENAME>R49.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374705927288">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF COMPONENTS OF LEASE COST (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DisclosureLeasesAbstract', window );"><strong>Leases</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseCost', window );">Lease cost</a></td>
<td class="nump">$ 499<span></span>
</td>
<td class="nump">$ 456<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeaseRightOfUseAssetAmortization', window );">Amortization of ROU assets</a></td>
<td class="nump">220<span></span>
</td>
<td class="nump">220<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeaseInterestExpense', window );">Interest on lease liability</a></td>
<td class="nump">97<span></span>
</td>
<td class="nump">143<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_FinanceLease', window );">&#160;Finance leases cost</a></td>
<td class="nump">317<span></span>
</td>
<td class="nump">363<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermLeaseCost', window );">Short-term lease rent expense</a></td>
<td class="nump">13<span></span>
</td>
<td class="nump">15<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LeaseCost', window );">Total lease cost</a></td>
<td class="nump">$ 829<span></span>
</td>
<td class="nump">$ 834<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DisclosureLeasesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DisclosureLeasesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_FinanceLease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Finance Leases.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_FinanceLease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeaseInterestExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of interest expense on finance lease liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918686-209980<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123391704&amp;loc=SL77918638-209977<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 55<br> -Paragraph 53<br> -URI http://asc.fasb.org/extlink&amp;oid=123414884&amp;loc=SL77918982-209971<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeaseInterestExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeaseRightOfUseAssetAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of amortization expense attributable to right-of-use asset from finance lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918686-209980<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123391704&amp;loc=SL77918638-209977<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 55<br> -Paragraph 53<br> -URI http://asc.fasb.org/extlink&amp;oid=123414884&amp;loc=SL77918982-209971<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeaseRightOfUseAssetAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LeaseCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lease cost recognized by lessee for lease contract.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918686-209980<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 55<br> -Paragraph 53<br> -URI http://asc.fasb.org/extlink&amp;oid=123414884&amp;loc=SL77918982-209971<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LeaseCost</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 55<br> -Paragraph 53<br> -URI http://asc.fasb.org/extlink&amp;oid=123414884&amp;loc=SL77918982-209971<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918686-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseCost</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShortTermLeaseCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of short-term lease cost, excluding expense for lease with term of one month or less.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918686-209980<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 55<br> -Paragraph 53<br> -URI http://asc.fasb.org/extlink&amp;oid=123414884&amp;loc=SL77918982-209971<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShortTermLeaseCost</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>66
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<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
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</head>
<body>
<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374703656600">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>SCHEDULE OF WEIGHTED AVERAGE LEASE (Details)<br></strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DisclosureLeasesAbstract', window );"><strong>Leases</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1', window );">Operating leases, weighted average remaining lease terms (years)</a></td>
<td class="text">6 years 10 months 24 days<span></span>
</td>
<td class="text">8 years<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1', window );">Finance leases, weighted average remaining lease terms (years)</a></td>
<td class="text">4 years<span></span>
</td>
<td class="text">3 years 6 months<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent', window );">Operating leases, weighted average discount rate</a></td>
<td class="nump">7.60%<span></span>
</td>
<td class="nump">8.00%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent', window );">Finance leases, weighted average discount rate</a></td>
<td class="nump">6.20%<span></span>
</td>
<td class="nump">7.30%<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DisclosureLeasesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DisclosureLeasesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average discount rate for finance lease calculated at point in time.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (g)(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918686-209980<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 55<br> -Paragraph 53<br> -URI http://asc.fasb.org/extlink&amp;oid=123414884&amp;loc=SL77918982-209971<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (g)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918686-209980<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 55<br> -Paragraph 53<br> -URI http://asc.fasb.org/extlink&amp;oid=123414884&amp;loc=SL77918982-209971<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average discount rate for operating lease calculated at point in time.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (g)(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918686-209980<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 55<br> -Paragraph 53<br> -URI http://asc.fasb.org/extlink&amp;oid=123414884&amp;loc=SL77918982-209971<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 55<br> -Paragraph 53<br> -URI http://asc.fasb.org/extlink&amp;oid=123414884&amp;loc=SL77918982-209971<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (g)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918686-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>67
<FILENAME>R51.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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							e.nextSibling.style.display='block';
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</head>
<body>
<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374703243656">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>SCHEDULE OF OPERATING AND FINANCE LEASE LIABILITY MATURITY (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DisclosureLeasesAbstract', window );"><strong>Leases</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths', window );">Operating Leases 2022</a></td>
<td class="nump">$ 576<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths', window );">Finance Leases 2022</a></td>
<td class="nump">398<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo', window );">Operating Leases 2023</a></td>
<td class="nump">560<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo', window );">Finance Leases 2023</a></td>
<td class="nump">314<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree', window );">Operating Leases 2024</a></td>
<td class="nump">419<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree', window );">Finance Leases 2024</a></td>
<td class="nump">310<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour', window );">Operating Leases 2025</a></td>
<td class="nump">327<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour', window );">Finance Leases 2025</a></td>
<td class="nump">299<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive', window );">Operating Leases 2026</a></td>
<td class="nump">305<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive', window );">Finance Leases 2026</a></td>
<td class="nump">82<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive', window );">Operating Leases 2027 and thereafter</a></td>
<td class="nump">955<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive', window );">2027 and thereafter Finance Leases</a></td>
<td class="text"> <span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue', window );">Operating Leases Total undiscounted lease payments</a></td>
<td class="nump">3,142<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeaseLiabilityPaymentsDue', window );">Finance Leases Total undiscounted lease payments</a></td>
<td class="nump">1,403<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount', window );">Operating Leases Less: Imputed interest</a></td>
<td class="num">(707)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount', window );">Finance Leases Less: Imputed interest</a></td>
<td class="num">(186)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiability', window );">Operating Leases Present value of lease payments</a></td>
<td class="nump">2,435<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeaseLiability', window );">Finance Leases Present value of lease payments</a></td>
<td class="nump">1,217<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiabilityCurrent', window );">Current portion of operating lease obligations</a></td>
<td class="nump">406<span></span>
</td>
<td class="nump">$ 273<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiabilityNoncurrent', window );">Long-term operating lease obligations, less current portion</a></td>
<td class="nump">2,029<span></span>
</td>
<td class="nump">2,070<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeaseLiabilityCurrent', window );">Current portion of finance lease obligations</a></td>
<td class="nump">333<span></span>
</td>
<td class="nump">525<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeaseLiabilityNoncurrent', window );">Long-term finance lease obligations, less current portion</a></td>
<td class="nump">$ 884<span></span>
</td>
<td class="nump">$ 662<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DisclosureLeasesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DisclosureLeasesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeaseLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Present value of lessee's discounted obligation for lease payments from finance lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918701-209980<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123391704&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeaseLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeaseLiabilityCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123391704&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeaseLiabilityCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeaseLiabilityNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123391704&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeaseLiabilityNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeaseLiabilityPaymentsDue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payments for finance lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeaseLiabilityPaymentsDue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payment for operating lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Present value of lessee's discounted obligation for lease payments from operating lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123391704&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseLiabilityCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123391704&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseLiabilityCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseLiabilityNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123391704&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseLiabilityNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>68
<FILENAME>R52.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374709293048">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF SUPPLEMENTAL CASH FLOW AND OTHER INFORMATION RELATED TO LEASES (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DisclosureLeasesAbstract', window );"><strong>Leases</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasePayments', window );">Operating cash flow from operating leases</a></td>
<td class="nump">$ 439<span></span>
</td>
<td class="nump">$ 442<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeaseInterestExpense', window );">Operating cash flow from finance leases</a></td>
<td class="nump">97<span></span>
</td>
<td class="nump">143<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinanceLeasePrincipalPayments', window );">Financing cash flow from finance leases</a></td>
<td class="nump">334<span></span>
</td>
<td class="nump">615<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability', window );">Finance liabilities</a></td>
<td class="nump">577<span></span>
</td>
<td class="nump">874<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability', window );">Operating liabilities</a></td>
<td class="nump">491<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_ReductionToRightOfUseAssetsForFinanceLeaseLiability', window );">Finance liabilities</a></td>
<td class="num">$ (364)<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DisclosureLeasesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DisclosureLeasesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_ReductionToRightOfUseAssetsForFinanceLeaseLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Reduction to right of use assets for finance lease liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_ReductionToRightOfUseAssetsForFinanceLeaseLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeaseInterestExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of interest expense on finance lease liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918686-209980<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123391704&amp;loc=SL77918638-209977<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 55<br> -Paragraph 53<br> -URI http://asc.fasb.org/extlink&amp;oid=123414884&amp;loc=SL77918982-209971<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeaseInterestExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeasePrincipalPayments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow for principal payment on finance lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 5<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123391704&amp;loc=SL77918643-209977<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (g)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918686-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinanceLeasePrincipalPayments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeasePayments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 5<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123391704&amp;loc=SL77918643-209977<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (g)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918686-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeasePayments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase in right-of-use asset obtained in exchange for finance lease liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 55<br> -Paragraph 53<br> -URI http://asc.fasb.org/extlink&amp;oid=123414884&amp;loc=SL77918982-209971<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (g)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918686-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase in right-of-use asset obtained in exchange for operating lease liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 55<br> -Paragraph 53<br> -URI http://asc.fasb.org/extlink&amp;oid=123414884&amp;loc=SL77918982-209971<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (g)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918686-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>69
<FILENAME>R53.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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</head>
<body>
<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374710387624">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF INTANGIBLE ASSETS (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract', window );"><strong>Goodwill and Intangible Assets Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_Permits', window );">Permits, beginning balance</a></td>
<td class="nump">$ 8,922<span></span>
</td>
<td class="nump">$ 8,790<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_PermitInProgress', window );">Permits in progress</a></td>
<td class="nump">433<span></span>
</td>
<td class="nump">132<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_PermitRenewal', window );">Permit renewal</a></td>
<td class="nump">121<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_Permits', window );">Permits, ending balance</a></td>
<td class="nump">$ 9,476<span></span>
</td>
<td class="nump">$ 8,922<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_PermitInProgress">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Costs associated with permits in progress.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_PermitInProgress</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_PermitRenewal">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Costs associated with permit renewal.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_PermitRenewal</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_Permits">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount (net of any accumulated depreciation) as of the balance sheet date of operating permits having definite or indefinite lives.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_Permits</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374702851400">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF DEFINITE LIVED INTANGIBLE ASSETS (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsLineItems', window );"><strong>Finite-Lived Intangible Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsGross', window );">Gross Carrying Amount</a></td>
<td class="nump">$ 4,749<span></span>
</td>
<td class="nump">$ 4,530<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization', window );">Accumulated Amortization</a></td>
<td class="num">(3,855)<span></span>
</td>
<td class="num">(3,655)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsNet', window );">Net Carrying Amount</a></td>
<td class="nump">$ 894<span></span>
</td>
<td class="nump">875<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_PatentsMember', window );">Patents [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsLineItems', window );"><strong>Finite-Lived Intangible Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1', window );">Weighted Average Amortization Period (Years)</a></td>
<td class="text">8 years 3 months 18 days<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsGross', window );">Gross Carrying Amount</a></td>
<td class="nump">$ 787<span></span>
</td>
<td class="nump">742<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization', window );">Accumulated Amortization</a></td>
<td class="num">(351)<span></span>
</td>
<td class="num">(334)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsNet', window );">Net Carrying Amount</a></td>
<td class="nump">$ 436<span></span>
</td>
<td class="nump">408<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=PESI_SoftwareMember', window );">Software [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsLineItems', window );"><strong>Finite-Lived Intangible Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1', window );">Weighted Average Amortization Period (Years)</a></td>
<td class="text">3 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsGross', window );">Gross Carrying Amount</a></td>
<td class="nump">$ 592<span></span>
</td>
<td class="nump">418<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization', window );">Accumulated Amortization</a></td>
<td class="num">(415)<span></span>
</td>
<td class="num">(411)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsNet', window );">Net Carrying Amount</a></td>
<td class="nump">$ 177<span></span>
</td>
<td class="nump">7<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember', window );">Customer Relationships [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsLineItems', window );"><strong>Finite-Lived Intangible Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1', window );">Weighted Average Amortization Period (Years)</a></td>
<td class="text">10 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsGross', window );">Gross Carrying Amount</a></td>
<td class="nump">$ 3,370<span></span>
</td>
<td class="nump">3,370<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization', window );">Accumulated Amortization</a></td>
<td class="num">(3,089)<span></span>
</td>
<td class="num">(2,910)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsNet', window );">Net Carrying Amount</a></td>
<td class="nump">$ 281<span></span>
</td>
<td class="nump">$ 460<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 928<br> -SubTopic 340<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6473545&amp;loc=d3e61844-108004<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 926<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=120154696&amp;loc=d3e54445-107959<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 926<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=120154696&amp;loc=d3e54445-107959<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_PatentsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_PatentsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Data Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember</td>
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<head>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374710340072">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>SCHEDULE OF FINITE LIVED INTANGIBLE ASSETS, FUTURE AMORTIZATION EXPENSE (Details)<br> $ in Thousands</strong></div></th>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract', window );"><strong>Goodwill and Intangible Assets Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths', window );">2022</a></td>
<td class="nump">$ 233<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo', window );">2023</a></td>
<td class="nump">192<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree', window );">2024</a></td>
<td class="nump">61<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour', window );">2025</a></td>
<td class="nump">14<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive', window );">2026</a></td>
<td class="nump">$ 11<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths</td>
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<td><strong> Data Type:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374710254072">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>PERMIT AND OTHER INTANGIBLE ASSETS (Details Narrative) - USD ($)<br></strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
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<tr class="re">
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AmortizationOfIntangibleAssets', window );">Amortization expense of intangible asset</a></td>
<td class="nump">$ 211,000<span></span>
</td>
<td class="nump">$ 239,000<span></span>
</td>
</tr>
</table>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=6388964&amp;loc=d3e16225-109274<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374702853368">
<tr>
<th class="tl" colspan="2" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF SHARE-BASED PAYMENT AWARD, STOCK OPTIONS, VALUATION ASSUMPTIONS (Details) - $ / shares<br></strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=PESI_EmployeeStockOptionGrantedMember', window );">Employee Stock Option Granted [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice', window );">Weighted-average fair value per option</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 3.51<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate', window );">Risk -free interest rate</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">1.05%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate', window );">Expected volatility of stock</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="nump">58.61%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate', window );">Dividend yield</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">0.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1', window );">Expected option life</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[3]</sup></td>
<td class="text">5 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=PESI_OutsideDirectorStockOptionsGrantedMember', window );">Outside Director Stock Options Granted [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice', window );">Weighted-average fair value per option</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 3.9<span></span>
</td>
<td class="nump">$ 4.66<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate', window );">Dividend yield</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">0.00%<span></span>
</td>
<td class="nump">0.00%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1', window );">Expected option life</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[3]</sup></td>
<td class="text">10 years<span></span>
</td>
<td class="text">10 years<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=PESI_OutsideDirectorStockOptionsGrantedMember', window );">Outside Director Stock Options Granted [Member] | Minimum [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate', window );">Risk -free interest rate</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">1.23%<span></span>
</td>
<td class="nump">0.59%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate', window );">Expected volatility of stock</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="nump">55.84%<span></span>
</td>
<td class="nump">55.83%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=PESI_OutsideDirectorStockOptionsGrantedMember', window );">Outside Director Stock Options Granted [Member] | Maximum [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate', window );">Risk -free interest rate</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">1.61%<span></span>
</td>
<td class="nump">1.61%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate', window );">Expected volatility of stock</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="nump">55.91%<span></span>
</td>
<td class="nump">56.68%<span></span>
</td>
</tr>
<tr><td colspan="3"></td></tr>
<tr><td colspan="3"><table class="outerFootnotes" width="100%">
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">The risk-free interest rate is based on the U.S. Treasury yield
in effect at the grant date over the expected term of the option.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[2]</td>
<td style="vertical-align: top;" valign="top">The expected volatility is based on historical volatility from
our traded Common Stock over the expected term of the option.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[3]</td>
<td style="vertical-align: top;" valign="top">The expected option life is based on historical exercises and
post-vesting data.</td>
</tr>
</table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (f)(2)(iii)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (f)(2)(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The risk-free interest rate assumption that is used in valuing an option on its own shares.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (f)(2)(iv)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (f)(2)(i)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 14.D.2)<br> -URI http://asc.fasb.org/extlink&amp;oid=122041274&amp;loc=d3e301413-122809<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AwardTypeAxis=PESI_EmployeeStockOptionGrantedMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=PESI_EmployeeStockOptionGrantedMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AwardTypeAxis=PESI_OutsideDirectorStockOptionsGrantedMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=PESI_OutsideDirectorStockOptionsGrantedMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MinimumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MinimumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
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</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>74
<FILENAME>R58.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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							e.nextSibling.style.display='block';
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</head>
<body>
<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374710953128">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF SHARE-BASED COMPENSATION, ALLOCATION OF RECOGNIZED PERIOD COSTS (Details) - USD ($)<br></strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensation', window );">Total</a></td>
<td class="nump">$ 250,000<span></span>
</td>
<td class="nump">$ 236,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember', window );">Share-based Payment Arrangement, Option [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensation', window );">Total</a></td>
<td class="nump">178,000<span></span>
</td>
<td class="nump">132,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=PESI_DirectorStockOptionsMember', window );">Director Stock Options [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensation', window );">Total</a></td>
<td class="nump">$ 72,000<span></span>
</td>
<td class="nump">$ 104,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of noncash expense for share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AwardTypeAxis=PESI_DirectorStockOptionsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=PESI_DirectorStockOptionsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>75
<FILENAME>R59.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374707327336">
<tr>
<th class="tl" colspan="2" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF STOCK OPTIONS ROLL FORWARD (Details) - USD ($)<br></strong></div></th>
<th class="th" colspan="4">12 Months Ended</th>
</tr>
<tr>
<th class="th" colspan="2"><div>Dec. 31, 2021</div></th>
<th class="th" colspan="2"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtSecuritiesHeldtomaturityAllowanceForCreditLossLineItems', window );"><strong>Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross', window );">Shares Options Granted</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">381,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinancialInstrumentAxis=us-gaap_StockOptionMember', window );">Equity Option [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtSecuritiesHeldtomaturityAllowanceForCreditLossLineItems', window );"><strong>Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber', window );">Shares Options Outstanding Beginning</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">658,400<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">681,300<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice', window );">Weighted Average Exercise Price Options Outstanding Beginning</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 3.87<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">$ 3.84<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross', window );">Shares Options Granted</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">381,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">24,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice', window );">Weighted Average Exercise Price Options Granted</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 6.82<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 6.92<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised', window );">Shares Options Exercised</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(500)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(12,500)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice', window );">Weighted Average Exercise Price Options Exercised</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 3.15<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 3.47<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue', window );">Aggregate Intrinsic Value Options Exercised</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="nump">$ 2,175<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 16,060<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod', window );">Shares Options Forfeited/expired</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(19,500)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(34,400)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice', window );">Weighted Average Exercise Price Options Forfeited/expired</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 6.75<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 5.52<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber', window );">Shares Options Outstanding Ending</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">1,019,400<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[3]</sup></td>
<td class="nump">658,400<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice', window );">Weighted Average Exercise Price Options Outstanding Ending</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 4.91<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[3]</sup></td>
<td class="nump">$ 3.87<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2', window );">Weighted Average Remaining Contractual Term (years) Outstanding</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">4 years<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[3]</sup></td>
<td class="text">3 years 6 months<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue', window );">Aggregate Intrinsic Value Options Outstanding</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="nump">$ 1,669,687<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[3]</sup></td>
<td class="nump">$ 1,426,143<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber', window );">Shares Options Exercisable</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">438,400<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[3]</sup></td>
<td class="nump">356,400<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[4]</sup></td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice', window );">Weighted Average Exercise Price Options Exercisable</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 3.95<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[3]</sup></td>
<td class="nump">$ 3.99<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[4]</sup></td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1', window );">Weighted Average Remaining Contractual Term (years) Exercisable</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">2 years 8 months 12 days<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[3]</sup></td>
<td class="text">3 years 3 months 18 days<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[4]</sup></td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1', window );">Aggregate Intrinsic Value Options Exercisable</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="nump">$ 1,064,432<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[3]</sup></td>
<td class="nump">$ 732,163<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
</tr>
<tr><td colspan="5"></td></tr>
<tr><td colspan="5"><table class="outerFootnotes" width="100%">
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Options with exercise prices ranging from $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90A_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionExercisableMember_pdd" title="Stock option exercise price per share lower limit">2.79</span> to $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_907_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionExercisableMember_pdd" title="Stock option exercise price per share upper limit">7.29</span></td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[2]</td>
<td style="vertical-align: top;" valign="top">The intrinsic value of a stock option is the amount by which
the market value of the underlying stock exceeds the exercise price</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[3]</td>
<td style="vertical-align: top;" valign="top">Options with exercise prices ranging from $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90F_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share lower limit">2.79</span> to $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share upper limit">7.50</span></td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[4]</td>
<td style="vertical-align: top;" valign="top">Options with exercise prices ranging from $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90D_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_c20200101__20201231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share lower limit">2.79</span> to $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_c20200101__20201231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share upper limit">7.05</span></td>
</tr>
</table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtSecuritiesHeldtomaturityAllowanceForCreditLossLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtSecuritiesHeldtomaturityAllowanceForCreditLossLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iii)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iii)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (d)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iv)(3)-(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average price of options that were either forfeited or expired.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iv)(3)-(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Gross number of share options (or share units) granted during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of options outstanding, including both vested and non-vested options.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(i)-(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(i)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average price at which option holders acquired shares when converting their stock options into shares.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (e)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of share options (or share units) exercised during the current period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iv)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=d3e21463-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>xbrli:sharesItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinancialInstrumentAxis=us-gaap_StockOptionMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374703691192">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF STOCK OPTIONS ROLL FORWARD (Details) (Paranthetical) - $ / shares<br></strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
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<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtSecuritiesHeldtomaturityAllowanceForCreditLossLineItems', window );"><strong>Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">$ 2.79<span></span>
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<td class="nump">$ 2.79<span></span>
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<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit', window );">Stock option exercise price per share upper limit</a></td>
<td class="nump">7.50<span></span>
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<td class="nump">$ 7.05<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinancialInstrumentAxis=PESI_StockOptionExercisableMember', window );">Stock Option Exercisable [Member]</a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtSecuritiesHeldtomaturityAllowanceForCreditLossLineItems', window );"><strong>Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit', window );">Stock option exercise price per share lower limit</a></td>
<td class="nump">2.79<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit', window );">Stock option exercise price per share upper limit</a></td>
<td class="nump">$ 7.29<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtSecuritiesHeldtomaturityAllowanceForCreditLossLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtSecuritiesHeldtomaturityAllowanceForCreditLossLineItems</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (g)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (g)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinancialInstrumentAxis=PESI_StockOptionOutstandingMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinancialInstrumentAxis=PESI_StockOptionOutstandingMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinancialInstrumentAxis=PESI_StockOptionExercisableMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinancialInstrumentAxis=PESI_StockOptionExercisableMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>77
<FILENAME>R61.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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<body>
<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374703998728">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF NON VESTED OPTIONS (Details)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th">
<div>Dec. 31, 2021 </div>
<div>$ / shares </div>
<div>shares</div>
</th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract', window );"><strong>Share-based Payment Arrangement [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares', window );">Shares non vested options, beginning | shares</a></td>
<td class="nump">302,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue', window );">Weighted average grant date fair value non vested options, beginning | $ / shares</a></td>
<td class="nump">$ 1.94<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross', window );">Shares non vested options, granted | shares</a></td>
<td class="nump">381,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue', window );">Weighted average grant date fair value non vested options, granted | $ / shares</a></td>
<td class="nump">$ 3.59<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares', window );">Shares non vested options, vested | shares</a></td>
<td class="num">(100,500)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue', window );">Weighted average grant date fair value non vested options, Vested | $ / shares</a></td>
<td class="nump">$ 2.44<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares', window );">Shares non vested options, forfeited | shares</a></td>
<td class="num">(1,500)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue', window );">Weighted average grant date fair value non vested options, forfeited | $ / shares</a></td>
<td class="nump">$ 1.42<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares', window );">Shares non vested options, ending | shares</a></td>
<td class="nump">581,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue', window );">Weighted average grant date fair value non vested options, ending | $ / shares</a></td>
<td class="nump">$ 3.13<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Gross number of share options (or share units) granted during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (d)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of non-vested options outstanding.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of non-vested options forfeited.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average grant-date fair value of non-vested options forfeited.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average grant-date fair value of non-vested options outstanding.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of options vested.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average grant-date fair value of options vested.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>78
<FILENAME>R62.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374692649720">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>CAPITAL STOCK, STOCK PLANS, WARRANTS AND STOCK BASED COMPENSATION (Details Narrative) - USD ($)<br></strong></div></th>
<th class="th" colspan="2"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Oct. 14, 2021</div></th>
<th class="th"><div>Oct. 14, 2021</div></th>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 29, 2021</div></th>
<th class="th"><div>Aug. 10, 2021</div></th>
<th class="th"><div>Jul. 22, 2021</div></th>
<th class="th"><div>Jul. 20, 2021</div></th>
<th class="th"><div>May 04, 2021</div></th>
<th class="th"><div>Feb. 04, 2021</div></th>
<th class="th"><div>Apr. 02, 2019</div></th>
<th class="th"><div>Jul. 27, 2017</div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesAuthorized', window );">Common stock, shares authorized</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">30,000,000<span></span>
</td>
<td class="nump">30,000,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockParOrStatedValuePerShare', window );">Common stock, par value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0.001<span></span>
</td>
<td class="nump">$ 0.001<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross', window );">Number of stock option shares granted</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">381,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromStockOptionsExercised', window );">Proceeds from exercise of stock options</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">$ 6,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TypeOfArrangementAxis=PESI_SubscriptionAgreementsMember', window );">Subscription Agreements [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction', window );">Number of sale shares issuance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember', window );">Common Stock [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised', window );">Issuance of common stock from cashless exercise</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">290<span></span>
</td>
<td class="nump">3,884<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues', window );">Issuance of common stock from cashless exercise</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesIssuedForServices', window );">Stock issued during period for services, shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">60,723<span></span>
</td>
<td class="nump">34,135<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance', window );">Number of common shares reserved for future issuance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,019,400<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_StatementScenarioAxis=PESI_SecondMilestoneMember', window );">Second Milestone [Member] | Ferguson Stock Option [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_OptionsToPurchaseSharesOfCommonStock', window );">Options to purchase shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">30,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_StatementScenarioAxis=PESI_ThirdMilestoneMember', window );">Third Milestone [Member] | Ferguson Stock Option [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_OptionsToPurchaseSharesOfCommonStock', window );">Options to purchase shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">60,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=PESI_EmployeeAndDirectorsMember', window );">Employee and Directors [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized', window );">Unrecognized compensation cost related to unvested options consultant</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,389,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_WeightedAverageTermForUnrecognizedAndUnvestedOptionToBeRecognized', window );">Weighted average term for unrecognized and unvested option to be recognized</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">4 years 3 months 18 days<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=PESI_RobertFergusonMember', window );">Robert Ferguson [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized', window );">Unrecognized compensation cost related to unvested options consultant</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 289,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber', window );">Remaining stock option</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">90,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LoansPayable', window );">Loans payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights', window );">Warrant to purchase</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">60,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1', window );">Warrants exercise price</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3.51<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_WarrantExercisableDescription', window );">Warrant exercisable, description</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">The Warrant is exercisable
six months from April 1, 2019 and expires on April 1, 2024 and remains outstanding at December 31, 2021. The loan was paid-in-full by
the Company in December 2020.<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandThreeStockPlanMember', window );">2003 Stock Plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesAuthorized', window );">Common stock, shares authorized</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockParOrStatedValuePerShare', window );">Common stock, par value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0.001<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1', window );">Stock options granted vesting period</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">6 months<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage', window );">Vesting percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">25.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandThreeStockPlanMember', window );">2003 Stock Plan [Member] | Director [Member] | Minimum [Member] | Election [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant', window );">Shares remaining available for issuance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">6,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandThreeStockPlanMember', window );">2003 Stock Plan [Member] | Director [Member] | Minimum [Member] | Reelection [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant', window );">Shares remaining available for issuance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,400<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandThreeStockPlanMember', window );">2003 Stock Plan [Member] | Director [Member] | Maximum [Member] | Election [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant', window );">Shares remaining available for issuance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">20,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandThreeStockPlanMember', window );">2003 Stock Plan [Member] | Director [Member] | Maximum [Member] | Reelection [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant', window );">Shares remaining available for issuance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandThreeOutsideDirectorsStockPlanMember', window );">2003 Outside Directors Stock Plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant', window );">Shares remaining available for issuance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">599,854<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_PercentageOfDirectorsFeesDescription', window );">Percentage of directors fees, description</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">The 2003 Plan continues to provide for the issuance to each Eligible Director a number of shares of the Company&#8217;s Common
Stock in lieu of 65% or 100% (based on option elected by each director) of the fee payable to the Eligible Director for services rendered
as a member of the Board. The number of shares issued is determined at 75% of the market value as defined in the 2003 Plan (the Company
recognizes 100% of the market value of the shares issued).<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandThreeOutsideDirectorsStockPlanMember', window );">2003 Outside Directors Stock Plan [Member] | Common Stock [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized', window );">Number of shares available for issuance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,600,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandAndSeventeenStockOptionPlanMember', window );">2017 Stock Option Plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant', window );">Shares remaining available for issuance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">344,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription', window );">Stock option granted, description</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">The term of each stock option granted under the 2017 Plan shall be fixed by the Compensation Committee, but no stock options will
be exercisable more than ten years after the grant date, or in the case of an ISO granted to a 10% stockholder, five years after the
grant date. The exercise price of any ISO granted under the 2017 Plan to an individual who is not a 10% stockholder at the time of the
grant shall not be less than the fair market value of the shares at the time of the grant, and the exercise price of any ISO granted
to a 10% stockholder shall not be less than 110% of the fair market value at the time of grant.<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandAndSeventeenStockOptionPlanMember', window );">2017 Stock Option Plan [Member] | Officers and Employees [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized', window );">Number of shares available for issuance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,140,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandAndSeventeenStockOptionPlanMember', window );">2017 Stock Option Plan [Member] | Consultant [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross', window );">Number of stock option shares granted</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">100,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice', window );">Stock options, exercise price</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3.65<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandTenStockOptionPlanMember', window );">2010 Stock Option Plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross', window );">Number of stock option shares granted</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">50,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice', window );">Stock options, exercise price</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3.97<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate', window );">Stock options, expiration date</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">May 15,  2022<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandSeventeenStockPlanMember', window );">2017 Stock Plan [Member] | Incentive Stock Option Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1', window );">Stock options granted contractual term</a></td>
<td class="text">6 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights', window );">Vesting, description</a></td>
<td class="text">one-fifth yearly vesting over
a five-year period<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice', window );">Exercise price</a></td>
<td class="nump">$ 7.005<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandSeventeenStockPlanMember', window );">2017 Stock Plan [Member] | Maximum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross', window );">Number of stock option shares granted</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">305,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandSeventeenStockPlanMember', window );">2017 Stock Plan [Member] | Chief Executive Officer [Member] | Incentive Stock Option Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross', window );">Number of stock option shares granted</a></td>
<td class="nump">50,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandSeventeenStockPlanMember', window );">2017 Stock Plan [Member] | Chief Financial Officer [Member] | Incentive Stock Option Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross', window );">Number of stock option shares granted</a></td>
<td class="nump">25,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandSeventeenStockPlanMember', window );">2017 Stock Plan [Member] | EVP of Strategic Initiatives [Member] | Incentive Stock Option Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross', window );">Number of stock option shares granted</a></td>
<td class="nump">20,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandSeventeenStockPlanMember', window );">2017 Stock Plan [Member] | EVP of Waste Treatment Operations [Member] | Incentive Stock Option Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross', window );">Number of stock option shares granted</a></td>
<td class="nump">25,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandSeventeenStockPlanMember', window );">2017 Stock Plan [Member] | EVP of Nuclear and Technical Services [Member] | Incentive Stock Option Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross', window );">Number of stock option shares granted</a></td>
<td class="nump">25,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandAndThreePlanMember', window );">2003 Plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1', window );">Stock options granted vesting period</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">6 months<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross', window );">Number of stock option shares granted</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,400<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice', window );">Stock options, exercise price</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 6.70<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1', window );">Stock options granted contractual term</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">10 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandAndThreePlanMember', window );">2003 Plan [Member] | NQSO [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1', window );">Stock options granted vesting period</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">6 months<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">6 months<span></span>
</td>
<td class="text">6 months<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross', window );">Number of stock option shares granted</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">6,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10,000<span></span>
</td>
<td class="nump">6,000<span></span>
</td>
<td class="nump">6,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice', window );">Stock options, exercise price</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 7.29<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5.93<span></span>
</td>
<td class="nump">$ 7.50<span></span>
</td>
<td class="nump">$ 7.00<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1', window );">Stock options granted contractual term</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">10 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">10 years<span></span>
</td>
<td class="text">10 years<span></span>
</td>
<td class="text">10 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights', window );">Vesting, description</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">one-fourth vesting annually over a four-year period<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandSeventeenStockOptionPlanMember', window );">2017 Stock Option Plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice', window );">Stock options, exercise price</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3.15<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised', window );">Issuance of common stock from cashless exercise</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">290<span></span>
</td>
<td class="nump">2,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromStockOptionsExercised', window );">Proceeds from exercise of stock options</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 6,300<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues', window );">Issuance of common stock from cashless exercise</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,884<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandSeventeenStockOptionPlanMember', window );">2017 Stock Option Plan [Member] | First Separate Options [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice', window );">Stock options, exercise price</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3.60<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised', window );">Issuance of common stock from cashless exercise</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">8,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandSeventeenStockOptionPlanMember', window );">2017 Stock Option Plan [Member] | Second Separate Options [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice', window );">Stock options, exercise price</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3.15<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised', window );">Issuance of common stock from cashless exercise</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,500<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandSeventeenStockOptionPlanMember', window );">2017 Stock Option Plan [Member] | Common Stock [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised', window );">Issuance of common stock from cashless exercise</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">500<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandThreeOutsideDirectorsStockOptionPlanMember', window );">2003 Outside Directors Stock Option Plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_PercentageOfDirectorsFeesDescription', window );">Percentage of directors fees, description</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">As a member of the Board, each director elects to receive either 65% or 100% of the
director&#8217;s fee in shares of our Common Stock. The number of shares received is calculated based on 75% of the fair market value
of our Common Stock determined on the business day immediately preceding the date that the quarterly fee is due.<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandThreeOutsideDirectorsStockOptionPlanMember', window );">2003 Outside Directors Stock Option Plan [Member] | Common Stock [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesIssuedForServices', window );">Stock issued during period for services, shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">60,723<span></span>
</td>
<td class="nump">34,135<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_The2003OutsideDirectorsStockPlanMember', window );">2003 Outside Directors Stock Plan [Member] | Portion of Director Fee Earned in Common Stock [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllocatedShareBasedCompensationExpense', window );">Allocated share-based compensation expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 467,000<span></span>
</td>
<td class="nump">$ 250,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_OptionsToPurchaseSharesOfCommonStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Options to purchase shares of common stock.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_OptionsToPurchaseSharesOfCommonStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_PercentageOfDirectorsFeesDescription">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of directors fees, description.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_PercentageOfDirectorsFeesDescription</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_WarrantExercisableDescription">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Warrant exercisable, description.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_WarrantExercisableDescription</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_WeightedAverageTermForUnrecognizedAndUnvestedOptionToBeRecognized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average term for unrecognized and unvested option to be recognized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_WeightedAverageTermForUnrecognizedAndUnvestedOptionToBeRecognized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AllocatedShareBasedCompensationExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5047-113901<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 14.F)<br> -URI http://asc.fasb.org/extlink&amp;oid=122041274&amp;loc=d3e301413-122809<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (h)(1)(i)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AllocatedShareBasedCompensationExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Exercise price per share or per unit of warrants or rights outstanding.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=d3e21475-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=d3e21475-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate number of common shares reserved for future issuance.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.29)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockCapitalSharesReservedForFutureIssuance</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockParOrStatedValuePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face amount or stated value per share of common stock.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockParOrStatedValuePerShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesAuthorized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The maximum number of common shares permitted to be issued by an entity's charter and bylaws.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesAuthorized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cost not yet recognized for nonvested award under share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LoansPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(16)(a)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LoansPayable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromStockOptionsExercised">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow from exercise of option under share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=SL79508275-113901<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromStockOptionsExercised</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Description of service or performance condition required to be met for earning right to award under share-based payment arrangement. Includes, but is not limited to, combination of market, performance or service condition.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Description of terms of share-based payment arrangement. Includes, but is not limited to, type of award or grantee and reason for issuance.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5047-113901<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Date the equity-based award expires, in YYYY-MM-DD format.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of shares authorized for issuance under share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Gross number of share options (or share units) granted during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of options outstanding, including both vested and non-vested options.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(i)-(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Change in the weighted average exercise price of options outstanding.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of vesting of award under share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (f)(2)(i)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 14.D.2)<br> -URI http://asc.fasb.org/extlink&amp;oid=122041274&amp;loc=d3e301413-122809<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodSharesIssuedForServices">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodSharesIssuedForServices</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of new stock issued during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=d3e21463-112644<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodSharesNewIssues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of share options (or share units) exercised during the current period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iv)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=d3e21463-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TypeOfArrangementAxis=PESI_SubscriptionAgreementsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TypeOfArrangementAxis=PESI_SubscriptionAgreementsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_StatementScenarioAxis=PESI_SecondMilestoneMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementScenarioAxis=PESI_SecondMilestoneMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AwardTypeAxis=PESI_FergusonStockOptionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=PESI_FergusonStockOptionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_StatementScenarioAxis=PESI_ThirdMilestoneMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementScenarioAxis=PESI_ThirdMilestoneMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=PESI_EmployeeAndDirectorsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=PESI_EmployeeAndDirectorsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=PESI_RobertFergusonMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=PESI_RobertFergusonMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PlanNameAxis=PESI_TwoThousandThreeStockPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PlanNameAxis=PESI_TwoThousandThreeStockPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=srt_DirectorMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=srt_DirectorMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MinimumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MinimumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_StatementScenarioAxis=PESI_ElectionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementScenarioAxis=PESI_ElectionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_StatementScenarioAxis=PESI_ReelectionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementScenarioAxis=PESI_ReelectionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PlanNameAxis=PESI_TwoThousandThreeOutsideDirectorsStockPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PlanNameAxis=PESI_TwoThousandThreeOutsideDirectorsStockPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PlanNameAxis=PESI_TwoThousandAndSeventeenStockOptionPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PlanNameAxis=PESI_TwoThousandAndSeventeenStockOptionPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=PESI_OfficersAndEmployeesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=PESI_OfficersAndEmployeesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=PESI_ConsultantMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=PESI_ConsultantMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PlanNameAxis=PESI_TwoThousandTenStockOptionPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PlanNameAxis=PESI_TwoThousandTenStockOptionPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PlanNameAxis=PESI_TwoThousandSeventeenStockPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PlanNameAxis=PESI_TwoThousandSeventeenStockPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TypeOfArrangementAxis=PESI_IncentiveStockOptionAgreementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TypeOfArrangementAxis=PESI_IncentiveStockOptionAgreementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=srt_ChiefExecutiveOfficerMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=srt_ChiefExecutiveOfficerMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=srt_ChiefFinancialOfficerMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=srt_ChiefFinancialOfficerMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=PESI_EVPOfStrategicInitiativesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=PESI_EVPOfStrategicInitiativesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=PESI_EVPofWasteTreatmentOperationsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=PESI_EVPofWasteTreatmentOperationsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=PESI_EVPofNuclearandTechnicalServicesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=PESI_EVPofNuclearandTechnicalServicesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PlanNameAxis=PESI_TwoThousandAndThreePlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PlanNameAxis=PESI_TwoThousandAndThreePlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AwardTypeAxis=PESI_NonQualifiedStockOptionsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=PESI_NonQualifiedStockOptionsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PlanNameAxis=PESI_TwoThousandSeventeenStockOptionPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PlanNameAxis=PESI_TwoThousandSeventeenStockOptionPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AwardTypeAxis=PESI_FirstSeparateOptionsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=PESI_FirstSeparateOptionsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AwardTypeAxis=PESI_SecondSeparateOptionsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=PESI_SecondSeparateOptionsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PlanNameAxis=PESI_TwoThousandThreeOutsideDirectorsStockOptionPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PlanNameAxis=PESI_TwoThousandThreeOutsideDirectorsStockOptionPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PlanNameAxis=PESI_The2003OutsideDirectorsStockPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PlanNameAxis=PESI_The2003OutsideDirectorsStockPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NatureOfExpenseAxis=PESI_PortionOfDirectorFeeEarnedInCommonStockMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NatureOfExpenseAxis=PESI_PortionOfDirectorFeeEarnedInCommonStockMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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</html>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>79
<FILENAME>R63.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374704072072">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>COMMON STOCK SUBSCRIPTION AGREEMENT (Details Narrative) - USD ($)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 23, 2021</div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems', window );"><strong>Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfCommonStock', window );">Proceeds issuance common stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5,765,000<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TypeOfArrangementAxis=PESI_SubscriptionAgreementsMember', window );">Subscription Agreements [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems', window );"><strong>Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction', window );">Shares issued, shares</a></td>
<td class="nump">1,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SaleOfStockPricePerShare', window );">Purchase price per share</a></td>
<td class="nump">$ 6.20<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfCommonStock', window );">Proceeds issuance common stock</a></td>
<td class="nump">$ 6,200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TypeOfArrangementAxis=PESI_PlacementAgencyAgreementMember', window );">Placement Agency Agreement [Member] | Wellington Shieldsand Co [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems', window );"><strong>Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CashFee', window );">Cash fee</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">6.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_PaymentsToOffering', window );">Payment for offering</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 372,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_OfferingCostThreshold', window );">Offering cost</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">50,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfPrivatePlacement', window );">Proceeds from offering</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5,704,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_OfferingCostPaid', window );">Offering cost paid</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">435,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredOfferingCosts', window );">Offering costs</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 496,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_CashFee">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cash fee percentage.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_CashFee</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_OfferingCostPaid">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Offering cost paid.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_OfferingCostPaid</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_OfferingCostThreshold">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Offering cost threshold.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_OfferingCostThreshold</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_PaymentsToOffering">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Agreed upon payment to placement agent in connection with Offering.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_PaymentsToOffering</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredOfferingCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Specific incremental costs directly attributable to a proposed or actual offering of securities which are deferred at the end of the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.8)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 340<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 5.A)<br> -URI http://asc.fasb.org/extlink&amp;oid=122040515&amp;loc=d3e105025-122735<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredOfferingCosts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromIssuanceOfCommonStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from the additional capital contribution to the entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromIssuanceOfCommonStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromIssuanceOfPrivatePlacement">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromIssuanceOfPrivatePlacement</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SaleOfStockPricePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SaleOfStockPricePerShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TypeOfArrangementAxis=PESI_SubscriptionAgreementsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TypeOfArrangementAxis=PESI_SubscriptionAgreementsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TypeOfArrangementAxis=PESI_PlacementAgencyAgreementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TypeOfArrangementAxis=PESI_PlacementAgencyAgreementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=PESI_WellingtonShieldsandCoMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=PESI_WellingtonShieldsandCoMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<head>
<title></title>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374795187944">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF EARNINGS PER SHARE, BASIC AND DILUTED (Details) - USD ($)<br></strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareAbstract', window );"><strong>Earnings Per Share [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest', window );">Income from continuing operations, net of taxes</a></td>
<td class="nump">$ 1,092,000<span></span>
</td>
<td class="nump">$ 3,149,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest', window );">Net loss attributable to non-controlling interest</a></td>
<td class="num">(164,000)<span></span>
</td>
<td class="num">(123,000)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperations', window );">Income from continuing operations attributable to Perma-Fix Environmental Services, Inc. common stockholders</a></td>
<td class="nump">1,256,000<span></span>
</td>
<td class="nump">3,272,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity', window );">Loss from discontinuing operations attributable to Perma-Fix Environmental Services, Inc. common stockholders</a></td>
<td class="num">(421,000)<span></span>
</td>
<td class="num">(412,000)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income attributable to Perma-Fix Environmental Services, Inc. common stockholders</a></td>
<td class="nump">$ 835,000<span></span>
</td>
<td class="nump">$ 2,860,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareBasic', window );">Basic income per share attributable to Perma-Fix Environmental Services, Inc. common stockholders</a></td>
<td class="nump">$ 0.07<span></span>
</td>
<td class="nump">$ 0.24<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareDiluted', window );">Diluted income per share attributable to Perma-Fix Environmental Services, Inc. common stockholders</a></td>
<td class="nump">$ 0.07<span></span>
</td>
<td class="nump">$ 0.23<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic', window );">Basic weighted average shares outstanding</a></td>
<td class="nump">12,433<span></span>
</td>
<td class="nump">12,139<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements', window );">Add: dilutive effect of stock options</a></td>
<td class="nump">211<span></span>
</td>
<td class="nump">184<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants', window );">Add: dilutive effect of warrants</a></td>
<td class="nump">29<span></span>
</td>
<td class="nump">24<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding', window );">Diluted weighted average shares outstanding</a></td>
<td class="nump">12,673<span></span>
</td>
<td class="nump">12,347<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount', window );">Stock options</a></td>
<td class="nump">323<span></span>
</td>
<td class="nump">42<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_AntidilutiveSecuritiesOfWarrantsExcludedFromComputationOfEarningsPerShareAmount', window );">Warrant</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_AntidilutiveSecuritiesOfWarrantsExcludedFromComputationOfEarningsPerShareAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Potential shares excluded from above weighted average share calculations due to their anti-dilutive effect include: Warrant.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_AntidilutiveSecuritiesOfWarrantsExcludedFromComputationOfEarningsPerShareAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.</p></div>
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-Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1337-109256<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 40<br> -Section 65<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123482062&amp;loc=SL123482106-238011<br><br>Reference 9: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 55<br> -Paragraph 52<br> -URI http://asc.fasb.org/extlink&amp;oid=125512782&amp;loc=d3e4984-109258<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 55<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=125512782&amp;loc=d3e3842-109258<br><br>Reference 12: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 7<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22644-107794<br><br>Reference 13: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br><br>Reference 14: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 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http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareDiluted">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareDiluted</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from continuing operations attributable to the parent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 18<br> -URI http://asc.fasb.org/extlink&amp;oid=123454820&amp;loc=SL4613673-111683<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 60B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=SL5780133-109256<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22694-107794<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22595-107794<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.13)<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22694-107794<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22583-107794<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(iii)(A))<br> -URI 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</tr>
<tr>
<td><strong> Data Type:</strong></td>
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</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
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</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of Net Income (Loss) attributable to noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669625-108580<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=109239629&amp;loc=SL4573702-111684<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22658-107794<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669619-108580<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4J<br> -URI http://asc.fasb.org/extlink&amp;oid=120409616&amp;loc=SL4591551-111686<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22663-107794<br><br>Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=124431353&amp;loc=SL124452729-227067<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLossAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 16<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1505-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1448-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfSharesOutstandingBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374705735192">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>SCHEDULE OF DISPOSAL GROUPS, INCLUDING DISCONTINUED OPERATION BALANCE SHEET (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract', window );"><strong>Discontinued Operations and Disposal Groups [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale', window );">Other assets</a></td>
<td class="nump">$ 15<span></span>
</td>
<td class="nump">$ 22<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale', window );">Total current assets</a></td>
<td class="nump">15<span></span>
</td>
<td class="nump">22<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent', window );">Property, plant and equipment, net</a></td>
<td class="nump">81<span></span>
</td>
<td class="nump">81<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent', window );">Total long-term assets</a></td>
<td class="nump">81<span></span>
</td>
<td class="nump">81<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale', window );">Total assets</a></td>
<td class="nump">96<span></span>
</td>
<td class="nump">103<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale', window );">Accounts payable</a></td>
<td class="nump">3<span></span>
</td>
<td class="nump">4<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities', window );">Accrued expenses and other liabilities</a></td>
<td class="nump">154<span></span>
</td>
<td class="nump">150<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities', window );">Environmental liabilities</a></td>
<td class="nump">349<span></span>
</td>
<td class="nump">744<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale', window );">Total current liabilities</a></td>
<td class="nump">506<span></span>
</td>
<td class="nump">898<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale', window );">Closure liabilities</a></td>
<td class="nump">150<span></span>
</td>
<td class="nump">142<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities', window );">Environmental liabilities</a></td>
<td class="nump">527<span></span>
</td>
<td class="nump">110<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale', window );">Total long-term liabilities</a></td>
<td class="nump">677<span></span>
</td>
<td class="nump">252<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale', window );">Total liabilities</a></td>
<td class="nump">$ 1,183<span></span>
</td>
<td class="nump">$ 1,150<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as current assets attributable to discontinued operations not held for sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as environmental liabilities attributable to discontinued operations not held for sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as accounts payable and accrued liabilities attributable to discontinued operations not held for sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as accounts payable attributable to discontinued operations not held for sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as current and noncurrent assets attributable to discontinued operations not held for sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as assets attributable to discontinued operations not held for sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as other assets attributable to discontinued operations not held for sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as property, plant and equipment attributable to discontinued operations not held for sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as liabilities attributable to discontinued operations not held for sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as liabilities attributable to discontinued operations not held for sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as liabilities attributable to discontinued operations not held for sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Represents closure liabilities of discontinued operations not held for sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as environmental liabilities attributable to discontinued operations not held for sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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</table>
</div>
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</html>
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<DOCUMENT>
<TYPE>XML
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<head>
<title></title>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374710268200">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>DISCONTINUED OPERATIONS (Details) (Paranthetical) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract', window );"><strong>Discontinued Operations and Disposal Groups [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization', window );">Accumulated depreciation</a></td>
<td class="nump">$ 10,000<span></span>
</td>
<td class="nump">$ 10,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of depreciation and amortization expense attributable to disposal group, including, but not limited to, discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109222650&amp;loc=SL51721673-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374707349240">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>SCHEDULE OF CURRENT AND LONG TERM ACCRUED ENVIRONMENTAL LIABILITY (Details) - USD ($)<br></strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedEnvironmentalLossContingenciesCurrent', window );">Current Accrual</a></td>
<td class="nump">$ 349,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent', window );">Long-term Accrual</a></td>
<td class="nump">527,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingencies', window );">Total</a></td>
<td class="nump">876,000<span></span>
</td>
<td class="nump">$ 854,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=PESI_PFDMember', window );">PFD [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedEnvironmentalLossContingenciesCurrent', window );">Current Accrual</a></td>
<td class="nump">8,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent', window );">Long-term Accrual</a></td>
<td class="nump">60,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingencies', window );">Total</a></td>
<td class="nump">68,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=PESI_PFMMember', window );">PFM [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedEnvironmentalLossContingenciesCurrent', window );">Current Accrual</a></td>
<td class="text"> <span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent', window );">Long-term Accrual</a></td>
<td class="nump">15,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingencies', window );">Total</a></td>
<td class="nump">15,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=PESI_PFSGMember', window );">PFSG [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedEnvironmentalLossContingenciesCurrent', window );">Current Accrual</a></td>
<td class="nump">341,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent', window );">Long-term Accrual</a></td>
<td class="nump">452,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingencies', window );">Total</a></td>
<td class="nump">$ 793,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccrualForEnvironmentalLossContingencies">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total costs accrued as of the balance sheet date for environmental loss contingencies.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121557415&amp;loc=d3e14326-108349<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 25<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=6395460&amp;loc=d3e13647-108346<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13207-110859<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccrualForEnvironmentalLossContingencies</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccruedEnvironmentalLossContingenciesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13207-110859<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 10<br> -Subparagraph (d)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13237-110859<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121557415&amp;loc=d3e14326-108349<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6911-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccruedEnvironmentalLossContingenciesCurrent</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.24)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13207-110859<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 10<br> -Subparagraph (d)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13237-110859<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121557415&amp;loc=d3e14326-108349<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=PESI_PFDMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
<td></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=PESI_PFMMember</td>
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<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=PESI_PFSGMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=PESI_PFSGMember</td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
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<body>
<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374706331896">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>DISCONTINUED OPERATIONS (Details Narrative) - USD ($)<br></strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity', window );">Loss from discontinued operations</a></td>
<td class="nump">$ 421,000<span></span>
</td>
<td class="nump">$ 412,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal', window );">Tax effect of discontinued operation</a></td>
<td class="nump">139,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation', window );">Tax effect of discontinued operation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease', window );">Increase (decrease) in environmental liability</a></td>
<td class="nump">22,000<span></span>
</td>
<td class="nump">100,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingencies', window );">Accrued environmental remediation liabilities</a></td>
<td class="nump">876,000<span></span>
</td>
<td class="nump">854,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingenciesPayments1', window );">Accrual for Environmental Loss Contingencies, Payments</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">78,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedEnvironmentalLossContingenciesCurrent', window );">Accrued environmental liabilities, current</a></td>
<td class="nump">$ 349,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=PESI_PermaFixOfMemphisIncMember', window );">Perma-Fix of Memphis, Inc. [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease', window );">Increase (decrease) in environmental liability</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 100,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccrualForEnvironmentalLossContingencies">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total costs accrued as of the balance sheet date for environmental loss contingencies.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121557415&amp;loc=d3e14326-108349<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 25<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=6395460&amp;loc=d3e13647-108346<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13207-110859<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccrualForEnvironmentalLossContingencies</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccrualForEnvironmentalLossContingenciesPayments1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow to settle environmental loss contingencies.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 5.Y.Q1)<br> -URI http://asc.fasb.org/extlink&amp;oid=27011672&amp;loc=d3e149879-122751<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 17<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3367-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccrualForEnvironmentalLossContingenciesPayments1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Increase (decrease) in the accrual for environmental loss contingencies during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 5.Y.Q2)<br> -URI http://asc.fasb.org/extlink&amp;oid=27011672&amp;loc=d3e149879-122751<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccruedEnvironmentalLossContingenciesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13207-110859<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 10<br> -Subparagraph (d)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13237-110859<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121557415&amp;loc=d3e14326-108349<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6911-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccruedEnvironmentalLossContingenciesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3B<br> -URI http://asc.fasb.org/extlink&amp;oid=109222160&amp;loc=SL51721525-107759<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123586238&amp;loc=d3e38679-109324<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=109222160&amp;loc=d3e1012-107759<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109222650&amp;loc=d3e1361-107760<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3A<br> -URI http://asc.fasb.org/extlink&amp;oid=109222160&amp;loc=SL51721523-107759<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5C<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=109222650&amp;loc=SL51721675-107760<br><br>Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109222650&amp;loc=SL51721673-107760<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32672-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of tax (expense) benefit on (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5C<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=109222650&amp;loc=SL51721675-107760<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123586238&amp;loc=d3e38679-109324<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109222650&amp;loc=d3e1361-107760<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3B<br> -URI http://asc.fasb.org/extlink&amp;oid=109222160&amp;loc=SL51721525-107759<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=109222160&amp;loc=d3e957-107759<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3A<br> -URI http://asc.fasb.org/extlink&amp;oid=109222160&amp;loc=SL51721523-107759<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3B<br> -URI http://asc.fasb.org/extlink&amp;oid=109222160&amp;loc=SL51721525-107759<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109222650&amp;loc=d3e1361-107760<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5C<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=109222650&amp;loc=SL51721675-107760<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109222650&amp;loc=SL51721673-107760<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=123454820&amp;loc=SL4569616-111683<br><br>Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=109222160&amp;loc=d3e1012-107759<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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</tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=PESI_PermaFixOfMemphisIncMember</td>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374795195096">
<tr>
<th class="tl" colspan="2" rowspan="1"><div style="width: 200px;"><strong>SCHEDULE OF LONG TERM DEBT (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebt', window );">Total debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 993<span></span>
</td>
<td class="nump">$ 6,729<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtCurrent', window );">Less current portion of long-term debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">393<span></span>
</td>
<td class="nump">3,595<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtNoncurrent', window );">Long-term debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">600<span></span>
</td>
<td class="nump">3,134<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=PESI_RevolvingCreditMember', window );">Revolving Credit [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebt', window );">Total debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=PESI_TermLoanMember', window );">Term Loan [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebt', window );">Total debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1],[2]</sup></td>
<td class="nump">954<span></span>
</td>
<td class="nump">1,388<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=PESI_RelatedPartyPromissoryNoteOneMember', window );">Promissory Note [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebt', window );">Total debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[3],[4]</sup></td>
<td class="text"> <span></span>
</td>
<td class="nump">5,318<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=PESI_NotePayableMember', window );">Note Payable [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebt', window );">Total debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 39<span></span>
</td>
<td class="nump">$ 23<span></span>
</td>
</tr>
<tr><td colspan="3"></td></tr>
<tr><td colspan="3"><table class="outerFootnotes" width="100%">
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Our
    revolving credit facility is collateralized by our accounts receivable and our term loan is collateralized by our property, plant,
    and equipment.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[2]</td>
<td style="vertical-align: top;" valign="top">Net
    of debt issuance/debt discount costs of ($<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90B_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20211231_zxv0W3sUClif" title="Debt issuance costs net">112,000</span>) and ($<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20201231_zM0KwtufEN59" title="Debt issuance costs net">105,000</span>) at December 31, 2021 and December 31, 2020, respectively.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[3]</td>
<td style="vertical-align: top;" valign="top">Entered
    into with the Company&#8217;s credit facility lender under the PPP under the CARES Act (see &#8220;PPP Loan&#8221; below for information
    regarding forgiveness on the entire loan balance, along with accrued interest, effective June 15, 2021).</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[4]</td>
<td style="vertical-align: top;" valign="top">Uncollateralized
    note.</td>
</tr>
</table></td></tr>
</table>
<div style="display: none;">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466204&amp;loc=SL6031897-161870<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 55<br> -Paragraph 69C<br> -URI http://asc.fasb.org/extlink&amp;oid=123466577&amp;loc=SL123495737-112612<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 55<br> -Paragraph 69B<br> -URI http://asc.fasb.org/extlink&amp;oid=123466577&amp;loc=SL123495735-112612<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1D<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495340-112611<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebt</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19,20)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=PESI_RevolvingCreditMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=PESI_RevolvingCreditMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=PESI_TermLoanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=PESI_TermLoanMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=PESI_RelatedPartyPromissoryNoteOneMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td></td>
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<td><strong> Period Type:</strong></td>
<td></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=PESI_NotePayableMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374706444904">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>SCHEDULE OF LONG TERM DEBT (Details) (Paranthetical) - USD ($)<br></strong></div></th>
<th class="th"><div>May 08, 2020</div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Apr. 14, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredFinanceCostsNet', window );">Debt issuance costs net</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 112,000<span></span>
</td>
<td class="nump">$ 105,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=PESI_RelatedPartyPromissoryNoteOneMember', window );">Promissory Note [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateEffectivePercentage', window );">Effective interest rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=PESI_NotePayableOneMember', window );">Note Payable to 2023 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateEffectivePercentage', window );">Effective interest rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5.60%<span></span>
</td>
<td class="nump">9.10%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TypeOfArrangementAxis=PESI_RevolvingCreditMember', window );">Revolving Credit [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt due date</a></td>
<td class="text">May 15,  2024<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateEffectivePercentage', window );">Effective interest rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5.30%<span></span>
</td>
<td class="nump">6.10%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TypeOfArrangementAxis=PESI_TermLoanMember', window );">Term Loan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt due date</a></td>
<td class="text">May 15,  2024<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateEffectivePercentage', window );">Effective interest rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4.50%<span></span>
</td>
<td class="nump">5.20%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentInterestRateEffectivePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466204&amp;loc=SL6036836-161870<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=124435984&amp;loc=d3e28551-108399<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=124429444&amp;loc=SL124452920-239629<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentInterestRateEffectivePercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentMaturityDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1B<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495323-112611<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (bbb)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=123874694&amp;loc=d3e19207-110258<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentMaturityDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredFinanceCostsNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1D<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495340-112611<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=124435984&amp;loc=d3e28555-108399<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredFinanceCostsNet</td>
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<td>debit</td>
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<td>instant</td>
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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=PESI_RelatedPartyPromissoryNoteOneMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=PESI_RelatedPartyPromissoryNoteOneMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=PESI_NotePayableOneMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TypeOfArrangementAxis=PESI_RevolvingCreditMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TypeOfArrangementAxis=PESI_RevolvingCreditMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TypeOfArrangementAxis=PESI_TermLoanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TypeOfArrangementAxis=PESI_TermLoanMember</td>
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<tr>
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<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374710315224">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>SCHEDULE OF MATURITIES OF LONG-TERM DEBT (Details)<br> $ in Thousands</strong></div></th>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtDisclosureAbstract', window );"><strong>Debt Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths', window );">2022</a></td>
<td class="nump">$ 441<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo', window );">2023</a></td>
<td class="nump">437<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree', window );">2024</a></td>
<td class="nump">220<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour', window );">2025</a></td>
<td class="nump">7<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total</a></td>
<td class="nump">$ 1,105<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtDisclosureAbstract</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentCarryingAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466204&amp;loc=SL6031897-161870<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentCarryingAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1E<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495348-112611<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.12-04(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e24072-122690<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=123465755&amp;loc=d3e1835-112601<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1E<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495348-112611<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=123465755&amp;loc=d3e1835-112601<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.12-04(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e24072-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1E<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495348-112611<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.12-04(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e24072-122690<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=123465755&amp;loc=d3e1835-112601<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1E<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495348-112611<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.12-04(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e24072-122690<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=123465755&amp;loc=d3e1835-112601<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>88
<FILENAME>R72.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374702286888">
<tr>
<th class="tl" colspan="2" rowspan="2"><div style="width: 200px;"><strong>LONG-TERM DEBT (Details Narrative) - USD ($)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="2">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Aug. 10, 2021</div></th>
<th class="th"><div>Jun. 15, 2021</div></th>
<th class="th"><div>May 08, 2020</div></th>
<th class="th"><div>Apr. 14, 2020</div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>May 04, 2021</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebt', window );">Total debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 993,000<span></span>
</td>
<td class="nump">$ 6,729,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity', window );">Debt instrument, borrowing capacity, amount</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,000,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFeeAmount', window );">Lender fee value</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">15,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LettersOfCreditOutstandingAmount', window );">Letters of credit outstanding, amount</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3,020,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentDecreaseForgiveness', window );">Debt Instrument, Decrease, Forgiveness</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,537,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainsLossesOnExtinguishmentOfDebt', window );">Gain (loss) on extinguishment of debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5,381,000<span></span>
</td>
<td class="num">(27,000)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember', window );">London Interbank Offered Rate (LIBOR) [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1', window );">Debt Instrument, basis spread on variable rate</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.75%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TypeOfArrangementAxis=PESI_LoanAgreementMember', window );">Loan Agreement [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_EligibleExpensesUnderPPPLoan', window );">Eligible expenses incurred in connection with the PPP loan</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5,318,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentDescription', window );">Debt Instrument, Description</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">the quarterly FCCR testing requirement starting for the fourth quarter of 2021 and revises the methodology to be used in calculating
    the FCCR for the quarters ending December 31, 2021, March 31, 2022, and June 30, 2022 (with no change to the minimum 1.15:1 ratio
    requirement for each quarter)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">The
Company may terminate its Loan Agreement, as amended upon 90 days&#8217; prior written notice upon payment in full of our obligations
under the Loan Agreement. The Company agreed to pay PNC 1.0% of the total financing had the Company paid off its obligations on or before
May 7, 2021 and 0.5% of the total financing if the Company pays off its obligations after May 7, 2021 but prior to or on May 7, 2022.
No early termination fee will apply if the Company pays off its obligations under the Loan Agreement after May 7, 2022.<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TypeOfArrangementAxis=PESI_LoanAgreementMember', window );">Loan Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1', window );">Debt Instrument, basis spread on variable rate</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=PESI_TermLoanMember', window );">Term Loan [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebt', window );">Total debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1],[2]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 954,000<span></span>
</td>
<td class="nump">$ 1,388,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=PESI_RevisedLoanAgreementMember', window );">Revised Loan Agreement [Member] | PNC Bank [Member] | Term Loan [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebt', window );">Total debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,742,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentPeriodicPayment', window );">Debt instrument periodic payment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 35,547<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=PESI_PaycheckProtectionProgramMember', window );">Paycheck Protection Program [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_EligibleExpensesUnderPPPLoan', window );">Eligible expenses incurred in connection with the PPP loan</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5,318,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=PESI_CapitalExpenditureMember', window );">Capital Expenditure [Member] | Loan Agreement [Member] | Prime Rate [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1', window );">Debt Instrument, basis spread on variable rate</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2.50%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=PESI_CapitalExpenditureMember', window );">Capital Expenditure [Member] | Loan Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1', window );">Debt Instrument, basis spread on variable rate</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3.50%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=PESI_PaycheckProtectionProgramLoanMember', window );">Paycheck Protection Program Loan [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateDuringPeriod', window );">Debt interest rate</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainsLossesOnExtinguishmentOfDebt', window );">Gain (loss) on extinguishment of debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5,381,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=PESI_PaycheckProtectionProgramLoanMember', window );">Paycheck Protection Program Loan [Member] | Lender [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebt', window );">Total debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5,318,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentDecreaseForgiveness', window );">Debt Instrument, Decrease, Forgiveness</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5,318,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_InterestForgiveness', window );">Interest forgiveness</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 63,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember', window );">Revolving Credit Facility [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity', window );">Debt instrument, borrowing capacity, amount</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">8,692,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity', window );">Line of credit facility, remaining borrowing capacity</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">8,692,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LettersOfCreditOutstandingAmount', window );">Letters of credit outstanding, amount</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,020,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember', window );">Revolving Credit Facility [Member] | Prime Rate [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Interest rate</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3.25%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1', window );">Debt Instrument, basis spread on variable rate</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember', window );">Revolving Credit Facility [Member] | Leander [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity', window );">Debt instrument, borrowing capacity, amount</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember', window );">Revolving Credit Facility [Member] | Revised Loan Agreement [Member] | PNC Bank [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument maturity date</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Mar. 15,  2024<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity', window );">Line of credit facility, maximum borrowing capacity</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 18,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr><td colspan="8"></td></tr>
<tr><td colspan="8"><table class="outerFootnotes" width="100%">
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Net
    of debt issuance/debt discount costs of ($<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90B_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20211231_zxv0W3sUClif" title="Debt issuance costs net">112,000</span>) and ($<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20201231_zM0KwtufEN59" title="Debt issuance costs net">105,000</span>) at December 31, 2021 and December 31, 2020, respectively.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[2]</td>
<td style="vertical-align: top;" valign="top">Our
    revolving credit facility is collateralized by our accounts receivable and our term loan is collateralized by our property, plant,
    and equipment.</td>
</tr>
</table></td></tr>
</table>
<div style="display: none;">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Eligible expenses incurred in connection with the Paycheck Protection Program Loan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_EligibleExpensesUnderPPPLoan</td>
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<td>PESI_</td>
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<tr>
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</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Interest forgiveness.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_InterestForgiveness</td>
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<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage points added to the reference rate to compute the variable rate on the debt instrument.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentBasisSpreadOnVariableRate1</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentDecreaseForgiveness">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Decrease for amounts of indebtedness forgiven by the holder of the debt instrument.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(f))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentDecreaseForgiveness</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentDescription">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Identification of the lender and information about a contractual promise to repay a short-term or long-term obligation, which includes borrowings under lines of credit, notes payable, commercial paper, bonds payable, debentures, and other contractual obligations for payment. This may include rationale for entering into the arrangement, significant terms of the arrangement, which may include amount, repayment terms, priority, collateral required, debt covenants, borrowing capacity, call features, participation rights, conversion provisions, sinking-fund requirements, voting rights, basis for conversion if convertible and remarketing provisions. The description may be provided for individual debt instruments, rational groupings of debt instruments, or by debt in total.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=d3e21475-112644<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(19))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 470<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123599511&amp;loc=d3e64711-112823<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentDescription</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentFeeAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the fee that accompanies borrowing money under the debt instrument.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentFeeAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentInterestRateDuringPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The average effective interest rate during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=124435984&amp;loc=d3e28551-108399<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1F<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495355-112611<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentInterestRateDuringPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Data Type:</strong></td>
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</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentInterestRateStatedPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Contractual interest rate for funds borrowed, under the debt agreement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1B<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495323-112611<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentInterestRateStatedPercentage</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentMaturityDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1B<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495323-112611<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (bbb)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=123874694&amp;loc=d3e19207-110258<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentMaturityDate</td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentPeriodicPayment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the required periodic payments including both interest and principal payments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 470<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123599511&amp;loc=d3e64711-112823<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentPeriodicPayment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GainsLossesOnExtinguishmentOfDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 50<br> -Section 40<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123467658&amp;loc=d3e12355-112629<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 50<br> -Section 40<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467658&amp;loc=d3e12317-112629<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GainsLossesOnExtinguishmentOfDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LettersOfCreditOutstandingAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LettersOfCreditOutstandingAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466204&amp;loc=SL6031897-161870<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 55<br> -Paragraph 69C<br> -URI http://asc.fasb.org/extlink&amp;oid=123466577&amp;loc=SL123495737-112612<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 55<br> -Paragraph 69B<br> -URI http://asc.fasb.org/extlink&amp;oid=123466577&amp;loc=SL123495735-112612<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1D<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495340-112611<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TypeOfArrangementAxis=PESI_LoanAgreementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TypeOfArrangementAxis=PESI_LoanAgreementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=PESI_TermLoanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=PESI_TermLoanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=PESI_RevisedLoanAgreementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=PESI_RevisedLoanAgreementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=PESI_PNCBankMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=PESI_PNCBankMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=PESI_PaycheckProtectionProgramMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=PESI_PaycheckProtectionProgramMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=PESI_CapitalExpenditureMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=PESI_CapitalExpenditureMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_VariableRateAxis=us-gaap_PrimeRateMember">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_VariableRateAxis=us-gaap_PrimeRateMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=PESI_PaycheckProtectionProgramLoanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=PESI_LenderMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=PESI_LeanderMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=PESI_LeanderMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374710767208">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>SCHEDULE OF ACCRUED EXPENSES (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PayablesAndAccrualsAbstract', window );"><strong>Payables and Accruals [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeRelatedLiabilitiesCurrent', window );">Salaries and employee benefits</a></td>
<td class="nump">$ 3,049<span></span>
</td>
<td class="nump">$ 4,203<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TaxesPayableCurrent', window );">Accrued sales, property and other tax</a></td>
<td class="nump">183<span></span>
</td>
<td class="nump">589<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestPayableCurrent', window );">Interest payable</a></td>
<td class="nump">3<span></span>
</td>
<td class="nump">50<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedInsuranceCurrent', window );">Insurance payable</a></td>
<td class="nump">1,209<span></span>
</td>
<td class="nump">1,145<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAccruedLiabilitiesCurrent', window );">Other</a></td>
<td class="nump">634<span></span>
</td>
<td class="nump">394<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedLiabilitiesCurrent', window );">Total accrued expenses</a></td>
<td class="nump">$ 5,078<span></span>
</td>
<td class="nump">$ 6,381<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccruedInsuranceCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities to mitigate potential loss from various risks or to satisfy a promise to provide certain coverage's to employees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6935-107765<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6911-107765<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccruedInsuranceCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccruedLiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccruedLiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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</tr>
</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EmployeeRelatedLiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e7018-107765<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6935-107765<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td>instant</td>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherAccruedLiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6911-107765<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e7018-107765<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6935-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherAccruedLiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
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<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PayablesAndAccrualsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PayablesAndAccrualsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TaxesPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19,20)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TaxesPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>90
<FILENAME>R74.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374708934328">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>ACCRUED EXPENSES (Details Narrative)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($)</div>
</th></tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=PESI_TwoThousandTwentyManagementIncentivePlanMember', window );">2020 Management Incentive Plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OfficersCompensation', window );">Compensation expenses accrued</a></td>
<td class="nump">$ 419,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OfficersCompensation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of expense for salary and wage arising from service rendered by officer. Excludes allocated cost, labor-related nonsalary expense, and direct and overhead labor cost included in cost of good and service sold.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(4))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OfficersCompensation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PlanNameAxis=PESI_TwoThousandTwentyManagementIncentivePlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PlanNameAxis=PESI_TwoThousandTwentyManagementIncentivePlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>91
<FILENAME>R75.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374710449368">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF CHANGE IN ASSET RETIREMENT OBLIGATION (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationDisclosureAbstract', window );"><strong>Asset Retirement Obligation Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligation', window );">Balance at beginning</a></td>
<td class="nump">$ 6,365<span></span>
</td>
<td class="nump">$ 6,041<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationAccretionExpense', window );">Accretion expense</a></td>
<td class="nump">377<span></span>
</td>
<td class="nump">335<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationLiabilitiesSettled', window );">Spending</a></td>
<td class="num">(50)<span></span>
</td>
<td class="num">(11)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_AdditionToClosureLiability', window );">Addition to closure liability.</a></td>
<td class="nump">499<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligation', window );">Balance at end</a></td>
<td class="nump">$ 7,191<span></span>
</td>
<td class="nump">$ 6,365<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_AdditionToClosureLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Addition to closure liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_AdditionToClosureLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetRetirementObligation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6392692&amp;loc=d3e7535-110849<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetRetirementObligationAccretionExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=6392692&amp;loc=d3e7535-110849<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6392676&amp;loc=d3e7480-110848<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligationAccretionExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetRetirementObligationDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligationDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetRetirementObligationLiabilitiesSettled">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=6392692&amp;loc=d3e7535-110849<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligationLiabilitiesSettled</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>92
<FILENAME>R76.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374706483368">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF ASSET RETIREMENT OBLIGATIONS (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationDisclosureAbstract', window );"><strong>Asset Retirement Obligation Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_ClosureAndPostClosureAssets', window );">Balance at beginning</a></td>
<td class="nump">$ 3,348<span></span>
</td>
<td class="nump">$ 3,539<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_AmortizationOfClosureAndPostClosureAsset', window );">Amortization of closure and post-closure asset</a></td>
<td class="num">(250)<span></span>
</td>
<td class="num">(191)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_AdditionToClosureAndPostClosureAsset', window );">Addition to closure and post-closure asset</a></td>
<td class="nump">478<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_ClosureAndPostClosureAssets', window );">Balance at end</a></td>
<td class="nump">$ 3,576<span></span>
</td>
<td class="nump">$ 3,348<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_AdditionToClosureAndPostClosureAsset">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Addition to closure and post closure asset.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_AdditionToClosureAndPostClosureAsset</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_AmortizationOfClosureAndPostClosureAsset">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Represents the amortization for the period in the amount of closure and post-closure asset of disposal facilities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_AmortizationOfClosureAndPostClosureAsset</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_ClosureAndPostClosureAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Represents the carrying amount of closure and post closure assets of disposal facilities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_ClosureAndPostClosureAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligationDisclosureAbstract</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374709002184">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>ACCRUED CLOSURE COSTS AND ARO (Details Narrative) - USD ($)<br></strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationDisclosureAbstract', window );"><strong>Asset Retirement Obligation Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCosts', window );">Accrued closure costs - current</a></td>
<td class="nump">$ 578,000<span></span>
</td>
<td class="nump">$ 75,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of estimated costs accrued as of the balance sheet date to comply with regulatory requirements pertaining to the retirement of a waste management facility (such as a landfill or waste treatment facility). Represents the portion that will be paid within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 25<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=116646717&amp;loc=d3e6290-110844<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6911-107765<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=6392692&amp;loc=d3e7535-110849<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 35<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6392603&amp;loc=d3e7037-110846<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCosts</td>
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<td>xbrli:monetaryItemType</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetRetirementObligationDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligationDisclosureAbstract</td>
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<td>duration</td>
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<html>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374711011048">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF INCOME (LOSS) BEFORE INCOME TAX (BENEFIT) EXPENSE (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
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<tr class="re">
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<td class="num">$ (2,798)<span></span>
</td>
<td class="nump">$ 2,960<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_StatementGeographicalAxis=country_US', window );">UNITED STATES</a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
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<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Income before tax (benefit) expense</a></td>
<td class="num">(1,733)<span></span>
</td>
<td class="nump">4,778<span></span>
</td>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Income before tax (benefit) expense</a></td>
<td class="num">(1,880)<span></span>
</td>
<td class="num">(1,391)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_StatementGeographicalAxis=country_GB', window );">UNITED KINGDOM</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Income before tax (benefit) expense</a></td>
<td class="num">(246)<span></span>
</td>
<td class="num">(121)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_StatementGeographicalAxis=country_PL', window );">POLAND</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Income before tax (benefit) expense</a></td>
<td class="nump">$ 1,061<span></span>
</td>
<td class="num">$ (306)<span></span>
</td>
</tr>
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<div style="display: none;">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8906-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 940<br> -SubTopic 20<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=123384075&amp;loc=d3e41242-110953<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(10))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 235<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-05(b)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399901&amp;loc=d3e537907-122884<br><br>Reference 9: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 31<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8924-108599<br><br>Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(15))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementGeographicalAxis=country_CA</td>
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<tr>
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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementGeographicalAxis=country_GB</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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<head>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374709211448">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF COMPONENTS OF INCOME TAX (BENEFIT) EXPENSE (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th" colspan="2"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureAbstract', window );"><strong>Income Tax Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredFederalIncomeTaxExpenseBenefit', window );">Federal income tax (benefit) expense - deferred</a></td>
<td class="num">$ (3,503)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 4<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CurrentStateAndLocalTaxExpenseBenefit', window );">State income tax benefit - current</a></td>
<td class="num">(56)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(70)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations', window );">Foreign income tax expense - current</a></td>
<td class="nump">26<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit', window );">State income tax benefit - deferred</a></td>
<td class="num">(357)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(123)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Total income tax benefit</a></td>
<td class="num">$ (3,890)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="num">$ (189)<span></span>
</td>
</tr>
<tr><td colspan="4"></td></tr>
<tr><td colspan="4"><table class="outerFootnotes" width="100%"><tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Includes
                                            tax benefit recorded in amount of approximately $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_pid_c20210701__20210930_zPuvB5nPxMnc" title="Income tax benefit valuation allowance">2,351,000</span> resulting from release of valuation
                                            allowance on the Company&#8217;s deferred tax assets (see &#8220;Note 13 Income Taxes&#8221;
                                            for a discussion of this tax benefit).</td>
</tr></table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CurrentStateAndLocalTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h)(1)(Note 1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32639-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CurrentStateAndLocalTaxExpenseBenefit</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h)(1)(Note 1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32639-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredFederalIncomeTaxExpenseBenefit</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32639-109319<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h)(1)(Note 1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current and deferred foreign income tax expense (benefit) attributable to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h)(1)(Note 1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations</td>
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<td>duration</td>
</tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxDisclosureAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32672-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22663-107794<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123586238&amp;loc=d3e38679-109324<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(9))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22658-107794<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefit</td>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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</div>
</body>
</html>
</TEXT>
</DOCUMENT>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374707328456">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF EFFECTIVE INCOME TAX RATE RECONCILIATION (Details) - USD ($)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th" colspan="2"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureAbstract', window );"><strong>Income Tax Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate', window );">Federal tax (benefit) expense at statutory rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (588,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 622,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes', window );">State tax benefit, net of federal benefit</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(412,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(192,000)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_IncomeTaxReconciliationChangeInDeferredTaxAssets', window );">Change in deferred tax rates</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(93,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(71,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxReconciliationNondeductibleExpense', window );">Permanent items</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">62,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">126,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_PppLoanForgiveness', window );">PPP Loan forgiveness</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(1,130,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DebtForgivenessPFMPoland', window );">Debt forgiveness (PFM Poland)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(518,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential', window );">Difference in foreign rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(135,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(68,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_TrueupOfDeferredTaxItems', window );">True-up of deferred tax items</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,058,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(256,000)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxReconciliationOtherAdjustments', window );">Other</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(7,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">117,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance', window );">Decrease in valuation allowance</a></td>
<td class="nump">$ 2,351,000<span></span>
</td>
<td class="num">(2,127,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(467,000)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income tax benefit</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (3,890,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="num">$ (189,000)<span></span>
</td>
</tr>
<tr><td colspan="5"></td></tr>
<tr><td colspan="5"><table class="outerFootnotes" width="100%"><tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Includes
                                            tax benefit recorded in amount of approximately $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_pid_c20210701__20210930_zPuvB5nPxMnc" title="Income tax benefit valuation allowance">2,351,000</span> resulting from release of valuation
                                            allowance on the Company&#8217;s deferred tax assets (see &#8220;Note 13 Income Taxes&#8221;
                                            for a discussion of this tax benefit).</td>
</tr></table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DebtForgivenessPFMPoland">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Debt forgiveness PFM Poland.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DebtForgivenessPFMPoland</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_IncomeTaxReconciliationChangeInDeferredTaxAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the state tax rate to pretax income (loss) from continuing operations attributable to state income tax expense (benefit).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_IncomeTaxReconciliationChangeInDeferredTaxAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_PppLoanForgiveness">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Ppp loan forgiveness.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_PppLoanForgiveness</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_TrueupOfDeferredTaxItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Trueup of deferred tax Items.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_TrueupOfDeferredTaxItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32672-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22663-107794<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123586238&amp;loc=d3e38679-109324<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(9))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22658-107794<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32687-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32687-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32687-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxReconciliationNondeductibleExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32687-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxReconciliationNondeductibleExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxReconciliationOtherAdjustments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32687-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxReconciliationOtherAdjustments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32687-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
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<head>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374707262488">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>SCHEDULE OF DEFERRED TAX ASSETS AND LIABILITIES (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureAbstract', window );"><strong>Income Tax Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards', window );">Net operating losses</a></td>
<td class="nump">$ 10,057<span></span>
</td>
<td class="nump">$ 8,662<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals', window );">Environmental and closure reserves</a></td>
<td class="nump">2,040<span></span>
</td>
<td class="nump">1,839<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DeferredTaxAssetsLeaseLiability', window );">Lease liability</a></td>
<td class="nump">575<span></span>
</td>
<td class="nump">642<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CapitalLossCarryforward', window );">Capital loss carryforward</a></td>
<td class="nump">740<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsOther', window );">Other</a></td>
<td class="nump">1,099<span></span>
</td>
<td class="nump">1,734<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment', window );">Depreciation and amortization</a></td>
<td class="num">(3,362)<span></span>
</td>
<td class="num">(3,447)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_IndefiniteLivedIntangibleAssets', window );">Indefinite lived intangible assets</a></td>
<td class="num">(464)<span></span>
</td>
<td class="num">(471)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DeferredTaxLiabilitiesRightofuseLeaseAsset', window );">Right-of-use lease asset</a></td>
<td class="num">(583)<span></span>
</td>
<td class="num">(627)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DeferredTaxLiabilitiesAdjustment', window );">481(a) adjustment</a></td>
<td class="num">(104)<span></span>
</td>
<td class="num">(209)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxLiabilitiesPrepaidExpenses', window );">Prepaid expenses</a></td>
<td class="num">(24)<span></span>
</td>
<td class="num">(22)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsGross', window );">Deferred tax assets, gross&#160;</a></td>
<td class="nump">9,974<span></span>
</td>
<td class="nump">8,101<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsValuationAllowance', window );">Valuation allowance</a></td>
<td class="num">(6,447)<span></span>
</td>
<td class="num">(8,572)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DeferredTaxAssetsLiabilities', window );">Net deferred income tax asset (liabilities)</a></td>
<td class="nump">$ 3,527<span></span>
</td>
<td class="num">$ (471)<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_CapitalLossCarryforward">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Capital loss carryforward.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_CapitalLossCarryforward</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DeferredTaxAssetsLeaseLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Deferred tax ,lease liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DeferredTaxAssetsLeaseLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DeferredTaxAssetsLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after allocation of valuation allowances and deferred tax asset and liability attributable to deductible differences and carryforwards, without jurisdictional netting.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DeferredTaxAssetsLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DeferredTaxLiabilitiesAdjustment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Deferred tax liabilities, 481 (a) adjustment.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DeferredTaxLiabilitiesAdjustment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DeferredTaxLiabilitiesRightofuseLeaseAsset">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Deferred tax liabilities right-of-use-asset.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DeferredTaxLiabilitiesRightofuseLeaseAsset</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_IndefiniteLivedIntangibleAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indefinite lived intangible assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_IndefiniteLivedIntangibleAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32537-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32632-109319<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32621-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsOperatingLossCarryforwards</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsOther">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32621-109319<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32632-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsOther</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32632-109319<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32621-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsValuationAllowance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32537-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsValuationAllowance</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxLiabilitiesPrepaidExpenses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred tax consequences attributable to taxable temporary differences derived from prepaid expenses.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxLiabilitiesPrepaidExpenses</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32621-109319<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32632-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374702216776">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>INCOME TAXES (Details Narrative) - USD ($)<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th" colspan="2"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwardsLineItems', window );"><strong>Operating Loss Carryforwards [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income Tax Expense (Benefit)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (3,890,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="num">$ (189,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DecommissioningValue', window );">[custom:DecommissioningValue]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">40,000,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance', window );">Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,351,000<span></span>
</td>
<td class="num">$ (2,127,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(467,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_IncomeTaxExpirationDescription', window );">[custom:IncomeTaxExpirationDescription]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">expire
in various amounts starting in 2021<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards', window );">Deferred Tax Assets, Operating Loss Carryforwards</a></td>
<td class="nump">$ 10,057,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 10,057,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">8,662,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecognizedTaxBenefits', window );">Uncertain tax positions</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations', window );">Federal income tax payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember', window );">Domestic Tax Authority [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwardsLineItems', window );"><strong>Operating Loss Carryforwards [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwards', window );">Operating Loss Carryforwards</a></td>
<td class="nump">19,920,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">19,920,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards', window );">Deferred Tax Assets, Operating Loss Carryforwards</a></td>
<td class="nump">19,725,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">19,725,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember', window );">State and Local Jurisdiction [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwardsLineItems', window );"><strong>Operating Loss Carryforwards [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwards', window );">Operating Loss Carryforwards</a></td>
<td class="nump">72,767,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">72,767,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TypeOfArrangementAxis=PESI_PFMPolandMember', window );">PFM Poland [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwardsLineItems', window );"><strong>Operating Loss Carryforwards [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income Tax Expense (Benefit)</a></td>
<td class="nump">$ 2,466,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainOrLossOnSaleOfStockInSubsidiary', window );">Gain (loss) on sale of stock in subsidiary</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,089,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_SalesOfInterestPercentage', window );">Sales Of Interest Percentage.</a></td>
<td class="nump">100.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr><td colspan="6"></td></tr>
<tr><td colspan="6"><table class="outerFootnotes" width="100%"><tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Includes
                                            tax benefit recorded in amount of approximately $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_pid_c20210701__20210930_zPuvB5nPxMnc" title="Income tax benefit valuation allowance">2,351,000</span> resulting from release of valuation
                                            allowance on the Company&#8217;s deferred tax assets (see &#8220;Note 13 Income Taxes&#8221;
                                            for a discussion of this tax benefit).</td>
</tr></table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DecommissioningValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Value of a contract awarded for project work.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DecommissioningValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_IncomeTaxExpirationDescription">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Income tax expiration description.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_IncomeTaxExpirationDescription</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_SalesOfInterestPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sales of interest percentage.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_SalesOfInterestPercentage</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
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<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
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</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32632-109319<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32621-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsOperatingLossCarryforwards</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current and deferred federal income tax expense (benefit) attributable to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32672-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h)(1)(Note 1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GainOrLossOnSaleOfStockInSubsidiary">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of gain (loss) on sale or disposal of equity in securities of subsidiaries.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(b)(9)(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(b)(7)(c))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(13)(g))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br><br>Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(3)(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GainOrLossOnSaleOfStockInSubsidiary</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32672-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22663-107794<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123586238&amp;loc=d3e38679-109324<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(9))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22658-107794<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32687-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLossCarryforwards">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32559-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLossCarryforwards</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
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</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLossCarryforwardsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLossCarryforwardsLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecognizedTaxBenefits">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of unrecognized tax benefits.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10B<br> -URI http://asc.fasb.org/extlink&amp;oid=123427490&amp;loc=SL37586934-109318<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 15A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=SL6600010-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecognizedTaxBenefits</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TypeOfArrangementAxis=PESI_PFMPolandMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TypeOfArrangementAxis=PESI_PFMPolandMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>99
<FILENAME>R83.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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</head>
<body>
<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374709271576">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF LOSS ON DECONSOLIDATION (Details) - USD ($)<br></strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DisclosurePfMedicalAbstract', window );"><strong>Pf Medical</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_NoteReceivableConsiderationReceived', window );">Note receivable consideration received</a></td>
<td class="nump">$ 47,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CarryingAmountOfNoncontrollingInterest', window );">Carrying amount of non-controlling interest</a></td>
<td class="nump">902,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CarryingAmountOfAccumulatedOtherComprehensiveLoss', window );">Carrying amount of accumulated other comprehensive loss</a></td>
<td class="nump">148,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_NetLiabilities', window );">Net liabilities</a></td>
<td class="num">(35,000)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_TransactionCosts', window );">Transaction costs</a></td>
<td class="nump">94,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeconsolidationGainOrLossAmount', window );">Loss on deconsolidation of subsidiary</a></td>
<td class="num">$ (1,062,000)<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_CarryingAmountOfAccumulatedOtherComprehensiveLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount of accumulated other comprehensive loss.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_CarryingAmountOfAccumulatedOtherComprehensiveLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_CarryingAmountOfNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount of noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_CarryingAmountOfNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DisclosurePfMedicalAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DisclosurePfMedicalAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_NetLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Net liabilities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_NetLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_NoteReceivableConsiderationReceived">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Note receivable consideration received.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_NoteReceivableConsiderationReceived</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_TransactionCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Transaction costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_TransactionCosts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeconsolidationGainOrLossAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of gain (loss) from deconsolidation of subsidiary and derecognition of group of assets constituting transfer of business or nonprofit activity, excluding conveyance of oil and gas mineral rights and transfer of good or service in contract with customer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109239629&amp;loc=SL4582445-111684<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeconsolidationGainOrLossAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>100
<FILENAME>R84.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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</head>
<body>
<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374707289752">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>PF MEDICAL (Details Narrative) - USD ($)<br></strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 30, 2021</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems', window );"><strong>Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MinorityInterest', window );">non-controlling interest</a></td>
<td class="text"> <span></span>
</td>
<td class="num">$ (1,742,000)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeconsolidationGainOrLossAmount', window );">Loss on deconsolidation of subsidiary (Note 14)</a></td>
<td class="nump">1,062,000<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_TransactionCosts', window );">Legal and accounting costs</a></td>
<td class="nump">$ 94,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TypeOfArrangementAxis=PESI_SalesAgreementMember', window );">Sales Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems', window );"><strong>Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EquityMethodInvestmentOwnershipPercentage', window );">Equity Method Investment, Ownership Percentage</a></td>
<td class="nump">60.54%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">60.54%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NotesReceivableNet', window );">Notes receivable, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 47,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsPayableTradeCurrent', window );">Trade payables</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,537,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_AcquiredPrice', window );">Acquired price</a></td>
<td class="nump">$ 10<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MinorityInterest', window );">non-controlling interest</a></td>
<td class="nump">1,004,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeconsolidationGainOrLossAmount', window );">Loss on deconsolidation of subsidiary (Note 14)</a></td>
<td class="nump">$ 902,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_AcquiredPrice">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Acquired price.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_AcquiredPrice</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_TransactionCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Transaction costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_TransactionCosts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsPayableTradeCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6935-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsPayableTradeCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeconsolidationGainOrLossAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of gain (loss) from deconsolidation of subsidiary and derecognition of group of assets constituting transfer of business or nonprofit activity, excluding conveyance of oil and gas mineral rights and transfer of good or service in contract with customer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109239629&amp;loc=SL4582445-111684<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeconsolidationGainOrLossAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EquityMethodInvestmentOwnershipPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EquityMethodInvestmentOwnershipPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MinorityInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(4)(i))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442526-122756<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(24))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123596393&amp;loc=d3e14064-108612<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442552-122756<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(4)(iv))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442526-122756<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.31)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442526-122756<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(i))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442552-122756<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br><br>Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 12: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(iv))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442552-122756<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MinorityInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NotesReceivableNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 326<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124255953&amp;loc=SL82919230-210447<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=124259787&amp;loc=d3e4428-111522<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NotesReceivableNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TypeOfArrangementAxis=PESI_SalesAgreementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TypeOfArrangementAxis=PESI_SalesAgreementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>101
<FILENAME>R85.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374702093544">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>COMMITMENTS AND CONTINGENCIES (Details Narrative)<br></strong></div></th>
<th class="th" colspan="1">1 Months Ended</th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2003</div></th>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>CAD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2020 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems', window );"><strong>Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_SelfinsuredRetention', window );">Self-insured retention</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 100,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsReceivableNetCurrent', window );">Accounts Receivable, after Allowance for Credit Loss, Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">11,372,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 9,659,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RestrictedCashNoncurrent', window );">Finite risk sinking fund (restricted cash)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">11,471,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">11,446,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestIncomeOther', window );">Interest income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">26,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">140,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LettersOfCreditOutstandingAmount', window );">Letters of credit outstanding, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3,020,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_BondOutstanding', window );">Bond outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">50,109,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_CounterpartyNameAxis=PESI_AmericanInternationalGroupIncMember', window );">American International Group, Inc [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems', window );"><strong>Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_PeriodOfFiniteRiskInsurancePolicy', window );">Period of finite risk insurance policy</a></td>
<td class="text">25 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_MaximumAllowableCoverageOfInsurancePolicy', window );">Maximum allowable coverage of insurance policy</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">28,177,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CoverageAmountUnderPolicy', window );">Coverage amount under the policy</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">20,403,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestIncomeOther', window );">Interest income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 25,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">139,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_InsurersObligationToEntityOnTerminationOfContract', window );">Insurers obligation to entity on termination of contract</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">100.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_CounterpartyNameAxis=PESI_AmericanInternationalGroupIncMember', window );">American International Group, Inc [Member] | 2003 Closure Policy [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems', window );"><strong>Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RestrictedCashNoncurrent', window );">Finite risk sinking fund (restricted cash)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 11,471,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">11,446,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestIncomeOther', window );">Interest income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,975,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=PESI_CanadianNuclearLaboratoriesLTDMember', window );">Canadian Nuclear Laboratories LTD [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems', window );"><strong>Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_UnpaidReceivablesAndUnbilledCosts', window );">[custom:UnpaidReceivablesAndUnbilledCosts]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,640,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsReceivableNetCurrent', window );">Accounts Receivable, after Allowance for Credit Loss, Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 871,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_BondSecuringAmount', window );">[custom:BondSecuringAmount]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,900,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_BondOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The total amount of the bonds outstanding as of the reporting date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_BondOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_BondSecuringAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Bond securing amount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_BondSecuringAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_CoverageAmountUnderPolicy">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Coverage amount under the policy.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_CoverageAmountUnderPolicy</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_InsurersObligationToEntityOnTerminationOfContract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Insurer's obligation to entity on termination of contract in terms of percentage of sinking fund.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_InsurersObligationToEntityOnTerminationOfContract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_MaximumAllowableCoverageOfInsurancePolicy">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Maximum allowable coverage of insurance policy against annual inflation and other performance and surety bond requirements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_MaximumAllowableCoverageOfInsurancePolicy</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_PeriodOfFiniteRiskInsurancePolicy">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Represents the period of finite risk insurance policy.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_PeriodOfFiniteRiskInsurancePolicy</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_SelfinsuredRetention">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Self-insured retention.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_SelfinsuredRetention</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_UnpaidReceivablesAndUnbilledCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Unpaid receivables and unbilled costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_UnpaidReceivablesAndUnbilledCosts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsReceivableNetCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=124259787&amp;loc=d3e4428-111522<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6676-107765<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124259787&amp;loc=d3e4531-111522<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsReceivableNetCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestIncomeOther">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of interest income earned from interest bearing assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestIncomeOther</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LettersOfCreditOutstandingAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LettersOfCreditOutstandingAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RestrictedCashNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6812-107765<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(17))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=SL98516268-108586<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 954<br> -SubTopic 210<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=120413173&amp;loc=SL116631458-115580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RestrictedCashNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_CounterpartyNameAxis=PESI_AmericanInternationalGroupIncMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_CounterpartyNameAxis=PESI_AmericanInternationalGroupIncMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TypeOfArrangementAxis=PESI_ThousandandThreeClosurePolicyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TypeOfArrangementAxis=PESI_ThousandandThreeClosurePolicyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=PESI_CanadianNuclearLaboratoriesLTDMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=PESI_CanadianNuclearLaboratoriesLTDMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
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<head>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374709202344">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>PROFIT SHARING PLAN (Details Narrative)<br></strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($) </div>
<div>Integer</div>
</th>
<th class="th">
<div>Dec. 31, 2020 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CompensationAndRetirementDisclosureAbstract', window );"><strong>Retirement Benefits [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_MinimumAgeForFullTimeEmployeesToParticipateInPlan', window );">Minimum age for full time employees to participate in plan</a></td>
<td class="nump">18<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_NumberOfQuarterlyOpenPeriodsForEnrollment', window );">Number of quarterly open periods for enrollment</a></td>
<td class="nump">4<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent', window );">Defined contribution plan, maximum annual contributions per employee, percent</a></td>
<td class="nump">100.00%<span></span>
</td>
<td class="text">&#160;<span></span>
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</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent', window );">Defined contribution plan, employer matching contribution, percent of employees' gross pay</a></td>
<td class="nump">25.00%<span></span>
</td>
<td class="text">&#160;<span></span>
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</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_DefinedContributionPlanEmployersContributionVestingPeriod', window );">Defined contribution plan employers contribution vesting period</a></td>
<td class="text">5 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount', window );">Defined contribution plan, employer discretionary contribution amount | $</a></td>
<td class="nump">$ 589,000<span></span>
</td>
<td class="nump">$ 594,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_DefinedContributionPlanEmployersContributionVestingPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Refers to vesting period of employers contribution.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_DefinedContributionPlanEmployersContributionVestingPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_MinimumAgeForFullTimeEmployeesToParticipateInPlan">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Refers to minimum age for full time employees to participate in the plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_MinimumAgeForFullTimeEmployeesToParticipateInPlan</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:integerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_NumberOfQuarterlyOpenPeriodsForEnrollment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Represents the number of quarterly open periods for enrollment in the Company's 401(k) Plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_NumberOfQuarterlyOpenPeriodsForEnrollment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:integerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CompensationAndRetirementDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CompensationAndRetirementDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of discretionary contributions made by an employer to a defined contribution plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
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<head>
<title></title>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374702883272">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>RELATED PARTY TRANSACTIONS (Details Narrative) - USD ($)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jan. 21, 2021</div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TypeOfArrangementAxis=PESI_ChairmanOfCompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember', window );">Chairman of Compensation Committee, Nominating Committee and the Strategic Committee [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionLineItems', window );"><strong>Related Party Transaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_BoardChairmanCommitteeFees', window );">Board chairman committee fees</a></td>
<td class="nump">$ 3,125<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TypeOfArrangementAxis=PESI_CompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember', window );">Compensation Committee, Nominating Committee and the Strategic Committee [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionLineItems', window );"><strong>Related Party Transaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CommitteeMemberFees', window );">Committee member fees</a></td>
<td class="nump">$ 500<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TypeOfArrangementAxis=PESI_NonEmployeeBoardMemberMember', window );">Non-Employee Board Member [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionLineItems', window );"><strong>Related Party Transaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_BoardMeetingAttendanceDescription', window );">Board meeting attendance description</a></td>
<td class="text">Each
non-employee Board member continues to receive $1,000 for each in-person board meeting attendance and a $500 fee for meeting attendance
via conference call<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_BoardAttendanceFees', window );">Board attendance fees</a></td>
<td class="nump">$ 500<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TypeOfArrangementAxis=PESI_NonEmployeeDirectorMember', window );">Non-Employee Director [Member] | 2003 Plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionLineItems', window );"><strong>Related Party Transaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_FeesPayableDescripton', window );">Fees payable description</a></td>
<td class="text">Each
non-employee director may continue to elect to have either 65% or 100% of such fees payable in Common Stock under the 2003 Plan, with
the balance, if any, payable in cash (see &#8220;Note 6 &#8211; Capital Stock, Stock Plans, Warrants, and Stock Based Compensation &#8211;
Stock Option Plans&#8221; for a discussion of the 2003 Plan)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=PESI_VicePresidentOfInformationSystemsMember', window );">Vice President of Information Systems [Member] | Dr. David Centofanti [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionLineItems', window );"><strong>Related Party Transaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SalariesAndWages', window );">Compensation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 184,000<span></span>
</td>
<td class="nump">$ 181,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=PESI_CEOMember', window );">CEO [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionLineItems', window );"><strong>Related Party Transaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage', window );">Compensation arrangement with individual, cash awards, minimum, percentage</a></td>
<td class="nump">5.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage', window );">Compensation arrangement with individual, cash awards, maximum, percentage</a></td>
<td class="nump">150.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount', window );">Compensation arrangement with individual, cash awards, minimum, amount</a></td>
<td class="nump">$ 17,220<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount', window );">Compensation arrangement with individual, cash awards, maximum, amount</a></td>
<td class="nump">$ 516,600<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=srt_ChiefFinancialOfficerMember', window );">Chief Financial Officer [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionLineItems', window );"><strong>Related Party Transaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage', window );">Compensation arrangement with individual, cash awards, minimum, percentage</a></td>
<td class="nump">5.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage', window );">Compensation arrangement with individual, cash awards, maximum, percentage</a></td>
<td class="nump">100.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount', window );">Compensation arrangement with individual, cash awards, minimum, amount</a></td>
<td class="nump">$ 14,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount', window );">Compensation arrangement with individual, cash awards, maximum, amount</a></td>
<td class="nump">$ 280,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=PESI_ExecutiveVicePresidentOfStrategicInitiativesMember', window );">EVP of Strategic Initiatives [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionLineItems', window );"><strong>Related Party Transaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage', window );">Compensation arrangement with individual, cash awards, minimum, percentage</a></td>
<td class="nump">5.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage', window );">Compensation arrangement with individual, cash awards, maximum, percentage</a></td>
<td class="nump">100.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount', window );">Compensation arrangement with individual, cash awards, minimum, amount</a></td>
<td class="nump">$ 11,667<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount', window );">Compensation arrangement with individual, cash awards, maximum, amount</a></td>
<td class="nump">$ 233,336<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=PESI_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember', window );">EVP of Nuclear And Technical Services [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionLineItems', window );"><strong>Related Party Transaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage', window );">Compensation arrangement with individual, cash awards, minimum, percentage</a></td>
<td class="nump">5.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage', window );">Compensation arrangement with individual, cash awards, maximum, percentage</a></td>
<td class="nump">100.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount', window );">Compensation arrangement with individual, cash awards, minimum, amount</a></td>
<td class="nump">$ 14,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount', window );">Compensation arrangement with individual, cash awards, maximum, amount</a></td>
<td class="nump">$ 280,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=PESI_ExecutiveVicePresidentOfWasteTreatmentOperationsMember', window );">EVP of Waste Treatment Operations [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionLineItems', window );"><strong>Related Party Transaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage', window );">Compensation arrangement with individual, cash awards, minimum, percentage</a></td>
<td class="nump">5.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage', window );">Compensation arrangement with individual, cash awards, maximum, percentage</a></td>
<td class="nump">100.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount', window );">Compensation arrangement with individual, cash awards, minimum, amount</a></td>
<td class="nump">$ 12,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount', window );">Compensation arrangement with individual, cash awards, maximum, amount</a></td>
<td class="nump">240,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=srt_DirectorMember', window );">Director [Member] | Revised [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionLineItems', window );"><strong>Related Party Transaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_QuarterlyFee', window );">Quarterly fee</a></td>
<td class="nump">11,500<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=srt_DirectorMember', window );">Director [Member] | Prior to Revision [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionLineItems', window );"><strong>Related Party Transaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_QuarterlyFee', window );">Quarterly fee</a></td>
<td class="nump">8,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=PESI_ChairmanOfTheBoardMember', window );">Chairman of the Board [Member] | Revised [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionLineItems', window );"><strong>Related Party Transaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_QuarterlyFee', window );">Quarterly fee</a></td>
<td class="nump">8,750<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=PESI_ChairmanOfTheBoardMember', window );">Chairman of the Board [Member] | Prior to Revision [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionLineItems', window );"><strong>Related Party Transaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_QuarterlyFee', window );">Quarterly fee</a></td>
<td class="nump">7,500<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=PESI_ChairmanOfTheAuditCommitteeMember', window );">Chairman of the Audit Committee [Member] | Revised [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionLineItems', window );"><strong>Related Party Transaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_QuarterlyFee', window );">Quarterly fee</a></td>
<td class="nump">6,250<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=PESI_ChairmanOfTheAuditCommitteeMember', window );">Chairman of the Audit Committee [Member] | Prior to Revision [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionLineItems', window );"><strong>Related Party Transaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_QuarterlyFee', window );">Quarterly fee</a></td>
<td class="nump">5,500<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=PESI_AuditCommitteeMemberMember', window );">Audit Committee Member [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionLineItems', window );"><strong>Related Party Transaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_AuditCommitteeMemberFees', window );">Audit committee member fees</a></td>
<td class="nump">$ 1,250<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_AuditCommitteeMemberFees">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fees payable to audit committee member.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_AuditCommitteeMemberFees</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_BoardAttendanceFees">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fees payable for telephonic board attendance.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_BoardAttendanceFees</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_BoardChairmanCommitteeFees">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fees payable to board committee chairman.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_BoardChairmanCommitteeFees</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_BoardMeetingAttendanceDescription">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Board meeting attendance description.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_BoardMeetingAttendanceDescription</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_CommitteeMemberFees">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fees payable as member of committee.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_CommitteeMemberFees</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Maximum cash incentive payable under Management Incentive Plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Compensation arrangement with individual, cash awards, maximum, percentage.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Compensation arrangement with individual, cash awards, minimum, amount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Compensation arrangement with individual, cash awards, minimum, percentage.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_FeesPayableDescripton">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fees payable descripton.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_FeesPayableDescripton</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_QuarterlyFee">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fees payable to company's outside director for services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_QuarterlyFee</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RelatedPartyTransactionLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RelatedPartyTransactionLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SalariesAndWages">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of expense for salary and wage arising from service rendered by nonofficer employee. Excludes allocated cost, labor-related nonsalary expense, and direct and overhead labor cost included in cost of good and service sold.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(4))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SalariesAndWages</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TypeOfArrangementAxis=PESI_ChairmanOfCompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TypeOfArrangementAxis=PESI_ChairmanOfCompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TypeOfArrangementAxis=PESI_CompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TypeOfArrangementAxis=PESI_CompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TypeOfArrangementAxis=PESI_NonEmployeeBoardMemberMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TypeOfArrangementAxis=PESI_NonEmployeeBoardMemberMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TypeOfArrangementAxis=PESI_NonEmployeeDirectorMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TypeOfArrangementAxis=PESI_NonEmployeeDirectorMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PlanNameAxis=PESI_TwoThousandAndThreePlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PlanNameAxis=PESI_TwoThousandAndThreePlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=PESI_VicePresidentOfInformationSystemsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=PESI_VicePresidentOfInformationSystemsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=PESI_DrDavidCentofantiMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=PESI_DrDavidCentofantiMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=PESI_CEOMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=PESI_CEOMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=srt_ChiefFinancialOfficerMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=srt_ChiefFinancialOfficerMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=PESI_ExecutiveVicePresidentOfStrategicInitiativesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=PESI_ExecutiveVicePresidentOfStrategicInitiativesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=PESI_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=PESI_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=PESI_ExecutiveVicePresidentOfWasteTreatmentOperationsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=PESI_ExecutiveVicePresidentOfWasteTreatmentOperationsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=srt_DirectorMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=srt_DirectorMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_StatementScenarioAxis=PESI_RevisedMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementScenarioAxis=PESI_RevisedMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_StatementScenarioAxis=PESI_PriorToRevisionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementScenarioAxis=PESI_PriorToRevisionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=PESI_ChairmanOfTheBoardMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=PESI_ChairmanOfTheBoardMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=PESI_ChairmanOfTheAuditCommitteeMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=PESI_ChairmanOfTheAuditCommitteeMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=PESI_AuditCommitteeMemberMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=PESI_AuditCommitteeMemberMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>104
<FILENAME>R88.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374692275544">
<tr>
<th class="tl" colspan="2" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF SEGMENT REPORTING INFORMATION (Details) - USD ($)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th" colspan="2"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from external customers</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 1,286,000<span></span>
</td>
<td class="nump">$ 72,191,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 105,426,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_IntercompanyRevenues', window );">Intercompany revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GrossProfit', window );">Gross profit</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">6,824,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">15,893,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ResearchAndDevelopmentExpense', window );">Research and development</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">746,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">762,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestIncomeOther', window );">Interest income</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">26,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">140,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(247,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(398,000)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinancingInterestExpense', window );">Interest expense-financing fees</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(41,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(294,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationAndAmortization', window );">Depreciation and amortization</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,687,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">1,596,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Segment income (loss) before income taxes</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(2,798,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">2,960,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income tax benefit</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(3,890,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="num">(189,000)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest', window );">Segment income (loss)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,092,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">3,149,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Segment assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">77,301,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">78,919,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment', window );">Expenditures for segment assets (net)</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[3]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,577,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">1,715,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtAndCapitalLeaseObligations', window );">Total debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[4]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">993,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">6,729,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=PESI_TreatmentMember', window );">Treatment [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from external customers</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">32,992,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">30,143,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_IntercompanyRevenues', window );">Intercompany revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,265,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">1,493,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GrossProfit', window );">Gross profit</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">6,718,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">5,491,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ResearchAndDevelopmentExpense', window );">Research and development</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">221,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">243,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestIncomeOther', window );">Interest income</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">1,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(100,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(115,000)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinancingInterestExpense', window );">Interest expense-financing fees</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationAndAmortization', window );">Depreciation and amortization</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,306,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">1,204,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Segment income (loss) before income taxes</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,283,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">1,494,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income tax benefit</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(150,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(264,000)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest', window );">Segment income (loss)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,433,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">1,758,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Segment assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">37,050,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">32,324,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment', window );">Expenditures for segment assets (net)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,363,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">1,264,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtAndCapitalLeaseObligations', window );">Total debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">25,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=PESI_ServicesMember', window );">Services [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from external customers</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">39,199,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">75,283,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_IntercompanyRevenues', window );">Intercompany revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">47,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">25,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GrossProfit', window );">Gross profit</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">106,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">10,402,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ResearchAndDevelopmentExpense', window );">Research and development</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">71,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">132,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestIncomeOther', window );">Interest income</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(10,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(27,000)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinancingInterestExpense', window );">Interest expense-financing fees</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(1,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationAndAmortization', window );">Depreciation and amortization</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">353,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">354,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Segment income (loss) before income taxes</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(3,044,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">7,826,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income tax benefit</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(962,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">6,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest', window );">Segment income (loss)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(2,082,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">7,820,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Segment assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[2],[5]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">15,244,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">22,368,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment', window );">Expenditures for segment assets (net)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">205,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">451,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtAndCapitalLeaseObligations', window );">Total debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">14,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">23,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=PESI_MedicalMember', window );">Medical [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from external customers</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_IntercompanyRevenues', window );">Intercompany revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GrossProfit', window );">Gross profit</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ResearchAndDevelopmentExpense', window );">Research and development</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">414,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">311,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestIncomeOther', window );">Interest income</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinancingInterestExpense', window );">Interest expense-financing fees</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationAndAmortization', window );">Depreciation and amortization</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Segment income (loss) before income taxes</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(1,476,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[6],[7]</sup></td>
<td class="num">(311,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income tax benefit</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">26,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest', window );">Segment income (loss)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(1,502,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(311,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Segment assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">48,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">17,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment', window );">Expenditures for segment assets (net)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtAndCapitalLeaseObligations', window );">Total debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=PESI_SegmentsTotalMember', window );">Segments Total [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from external customers</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[8],[9]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">72,191,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">105,426,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_IntercompanyRevenues', window );">Intercompany revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,312,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">1,518,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GrossProfit', window );">Gross profit</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">6,824,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">15,893,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ResearchAndDevelopmentExpense', window );">Research and development</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">706,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">686,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestIncomeOther', window );">Interest income</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">1,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(110,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(142,000)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinancingInterestExpense', window );">Interest expense-financing fees</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(1,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationAndAmortization', window );">Depreciation and amortization</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,659,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">1,558,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Segment income (loss) before income taxes</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(2,237,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">9,009,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income tax benefit</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(1,086,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(258,000)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest', window );">Segment income (loss)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(1,151,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">9,267,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Segment assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">52,342,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">54,709,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment', window );">Expenditures for segment assets (net)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,568,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">1,715,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtAndCapitalLeaseObligations', window );">Total debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">39,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">23,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=us-gaap_CorporateAndOtherMember', window );">Corporate and Other [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from external customers</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[10]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_IntercompanyRevenues', window );">Intercompany revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[10]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GrossProfit', window );">Gross profit</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[10]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ResearchAndDevelopmentExpense', window );">Research and development</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[10]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">40,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">76,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestIncomeOther', window );">Interest income</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[10]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">25,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">139,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[10]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(137,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(256,000)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinancingInterestExpense', window );">Interest expense-financing fees</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[10]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(40,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(294,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationAndAmortization', window );">Depreciation and amortization</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[10]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">28,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">38,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Segment income (loss) before income taxes</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[10]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(561,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[7],[11]</sup></td>
<td class="num">(6,049,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income tax benefit</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[10]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(2,804,000)<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">69,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest', window );">Segment income (loss)</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[10]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,243,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="num">(6,118,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Segment assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[2],[10],[12]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">24,959,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">24,210,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment', window );">Expenditures for segment assets (net)</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[10]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">9,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtAndCapitalLeaseObligations', window );">Total debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[10]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 954,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 6,706,000<span></span>
</td>
</tr>
<tr><td colspan="5"></td></tr>
<tr><td colspan="5"><table class="outerFootnotes" width="100%">
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Includes
                                            tax benefit recorded in amount of approximately $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_pid_c20210701__20210930_zPuvB5nPxMnc" title="Income tax benefit valuation allowance">2,351,000</span> resulting from release of valuation
                                            allowance on the Company&#8217;s deferred tax assets (see &#8220;Note 13 Income Taxes&#8221;
                                            for a discussion of this tax benefit).</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[2]</td>
<td style="vertical-align: top;" valign="top">Segment assets have been adjusted for intercompany accounts
to reflect actual assets for each segment.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[3]</td>
<td style="vertical-align: top;" valign="top">Net
                                            of financed amount of $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20210101__20211231_z27nqqcMuVg1" title="Financed portion amount in the purchase of capital expenditure">585,000</span> and $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90C_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20200101__20201231_zeM5sHuj1x03" title="Financed portion amount in the purchase of capital expenditure">883,000</span> for the year ended December 31, 2021 and 2020,
                                            respectively.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[4]</td>
<td style="vertical-align: top;" valign="top">Net
                                            of debt discount/debt issuance costs of ($<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_906_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20211231_zOUUwwU4N4La" title="Debt issuance costs">112,000</span>) and ($<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90F_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20201231_zqflA2cGoJya" title="Debt issuance costs">105,000</span>) for 2021 and 2020, respectively
                                            (see &#8220;Note 10 &#8211; &#8220;Long-Term Debt&#8221; for additional information).</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[5]</td>
<td style="vertical-align: top;" valign="top">Includes
                                            long-lived asset (net) for our PF Canada, Inc. subsidiary of $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90D_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20211231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_zbjdNmwS4S87" title="Long-lived asset (net)">25,000</span> and $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_906_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20201231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_z668KDn1vrw8" title="Long-lived asset (net)">33,000</span> for the
                                            year ended December 31, 2021 and 2020, respectively.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[6]</td>
<td style="vertical-align: top;" valign="top">Amount
                                            includes a &#8220;Loss on deconsolidation of subsidiary&#8221; recorded in the amount of
                                            approximately $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--DeconsolidationGainOrLossAmount_iN_pip0_di_c20210101__20211231_zi540Q0xidPi" title="Deconsolidation, gain  (Loss),  amount">1,062,000</span> resulting from the sale of PFM Poland (see &#8220;Note 14 &#8211;
                                            PF Medical for a discussion of this loss).</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[7]</td>
<td style="vertical-align: top;" valign="top">Includes
                                            elimination of gain/loss of $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_907_eus-gaap--DebtInstrumentDecreaseForgiveness_pid_c20210101__20211231_z5joKvpaezbj" title="Debt instrument, decrease, forgivenes">2,537,000</span> in debt forgiveness between PFM Poland and the Company
                                            (see &#8220;Note 14 &#8211; PF Medical for a discussion of this debt forgiveness.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[8]</td>
<td style="vertical-align: top;" valign="top">The
                                            following table reflects revenue based on customer location:</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[9]</td>
<td style="vertical-align: top;" valign="top">The
    Company performed services relating to waste generated by government clients (domestic and foreign (primarily Canadian)), either
    directly as a prime contractor or indirectly for others as a subcontractor to government entities, representing approximately <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_908_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pid_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember_zrNlgpKXyT8g" title="Net revenues">60,812,000</span>
    or <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_908_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember_z3BoNprriHDa" title="Concentration risk, percentage">84.2%</span>
    of total revenue for 2021 and <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pid_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember_z6dAUDyJrxd2" title="Net revenues">96,582,000</span>
    or <span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember_zGAoZGR5xSP4" title="Concentration risk, percentage">91.6%</span>
    of total revenue for 2020. The following reflects such revenue generated by our two segments:</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[10]</td>
<td style="vertical-align: top;" valign="top">Amounts reflect the activity for corporate headquarters not
included in the segment information.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[11]</td>
<td style="vertical-align: top;" valign="top">Amount
                                            includes approximately $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pid_c20210101__20211231__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zBqzi4Gl24wf" title="Gain on extinguishment of debt">5,381,000</span> of &#8220;Gain on extinguishment of debt&#8221; recorded
                                            in connection with the Company&#8217;s PPP Loan which was forgiven by the SBA effective June
                                            15, 2021 (see &#8220;Note 10 &#8211; Long Term Debt &#8211; PPP Loan&#8221; for information
                                            of this loan forgiveness).</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[12]</td>
<td style="vertical-align: top;" valign="top">Amount
                                            includes assets from our discontinued operations of $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90C_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20211231_zMxArjQKn737" title="Assets of disposal group including discontinued operation including not held for sale">96,000</span> and $<span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_900_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20201231_zyIYQYgdGwXd" title="Assets of disposal group including discontinued operation including not held for sale">103,000</span> at December 31,
                                            2021 and 2020, respectively.</td>
</tr>
</table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_IntercompanyRevenues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The intercompany revenue reported for the transaction within the fellow concerns of the entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_IntercompanyRevenues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Assets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(iii)(A))<br> -URI 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23: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8906-108599<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Assets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtAndCapitalLeaseObligations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of short-term and long-term debt and lease obligation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03.13,16)<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03.16)<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtAndCapitalLeaseObligations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DepreciationAndAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DepreciationAndAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinancingInterestExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>This element represents interest incurred for borrowed money which was used to produce goods or render services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.2)<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FinancingInterestExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GrossProfit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 31<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8924-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8906-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 4: 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-Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(4)(i))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442526-122756<br><br>Reference 12: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(i))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442552-122756<br><br>Reference 13: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GrossProfit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8906-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 940<br> -SubTopic 20<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=123384075&amp;loc=d3e41242-110953<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(10))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 235<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-05(b)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399901&amp;loc=d3e537907-122884<br><br>Reference 9: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 31<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8924-108599<br><br>Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(15))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(iii)(A))<br> -URI 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32672-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22663-107794<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123586238&amp;loc=d3e38679-109324<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(9))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22658-107794<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the cost of borrowed funds accounted for as interest expense.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6450988&amp;loc=d3e26243-108391<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=124435984&amp;loc=d3e28555-108399<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (210.5-03(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestIncomeOther">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of interest income earned from interest bearing assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestIncomeOther</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 13<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3213-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsToAcquirePropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ResearchAndDevelopmentExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 912<br> -SubTopic 730<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6472174&amp;loc=d3e58812-109433<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 985<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6501960&amp;loc=d3e128462-111756<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 730<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6420194&amp;loc=d3e21568-108373<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ResearchAndDevelopmentExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8906-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 40<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9031-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 41<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9038-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130543-203045<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 42<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9054-108599<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130545-203045<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 924<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 11.L)<br> -URI http://asc.fasb.org/extlink&amp;oid=6472922&amp;loc=d3e499488-122856<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SegmentReportingInformationLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SegmentReportingInformationLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=PESI_TreatmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=PESI_TreatmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=PESI_ServicesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=PESI_ServicesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=PESI_MedicalMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=PESI_MedicalMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=PESI_SegmentsTotalMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=PESI_SegmentsTotalMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=us-gaap_CorporateAndOtherMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374702103896">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF SEGMENT REPORTING INFORMATION (Details) (Paranthetical) - USD ($)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EntityWideRevenueMajorCustomerLineItems', window );"><strong>Revenue, Major Customer [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="nump">$ 1,286,000<span></span>
</td>
<td class="nump">$ 72,191,000<span></span>
</td>
<td class="nump">$ 105,426,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale', window );">Assets of disposal group including discontinued operation including not held for sale</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">96,000<span></span>
</td>
<td class="nump">103,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredFinanceCostsNet', window );">Debt issuance costs</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">112,000<span></span>
</td>
<td class="nump">105,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_FinancedPortionAmountInPurchaseOfCapitalExpenditure', window );">Financed portion amount in the purchase of capital expenditure</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">585,000<span></span>
</td>
<td class="nump">883,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentNet', window );">Long-lived asset (net)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">18,609,000<span></span>
</td>
<td class="nump">17,783,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainsLossesOnExtinguishmentOfDebt', window );">Gain on extinguishment of debt</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5,381,000<span></span>
</td>
<td class="num">(27,000)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance', window );">Income tax benefit valuation allowance</a></td>
<td class="nump">$ 2,351,000<span></span>
</td>
<td class="num">(2,127,000)<span></span>
</td>
<td class="num">(467,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentDecreaseForgiveness', window );">Debt instrument, decrease, forgivenes</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,537,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeconsolidationGainOrLossAmount', window );">Deconsolidation, gain (Loss), amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,062,000<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=PESI_PaycheckProtectionProgramLoanMember', window );">Paycheck Protection Program Loan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EntityWideRevenueMajorCustomerLineItems', window );"><strong>Revenue, Major Customer [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainsLossesOnExtinguishmentOfDebt', window );">Gain on extinguishment of debt</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5,381,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember', window );">Parent Company [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EntityWideRevenueMajorCustomerLineItems', window );"><strong>Revenue, Major Customer [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentNet', window );">Long-lived asset (net)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">25,000<span></span>
</td>
<td class="nump">33,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember', window );">Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Domestic and Foreign Government [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EntityWideRevenueMajorCustomerLineItems', window );"><strong>Revenue, Major Customer [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 60,812,000<span></span>
</td>
<td class="nump">$ 96,582,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskPercentage1', window );">Concentration risk, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">84.20%<span></span>
</td>
<td class="nump">91.60%<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as assets attributable to disposal group held for sale, disposed of, including assets not held for sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_FinancedPortionAmountInPurchaseOfCapitalExpenditure">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Financed portion amount in the purchase of capital expenditure.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_FinancedPortionAmountInPurchaseOfCapitalExpenditure</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConcentrationRiskPercentage1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 42<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9054-108599<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 18<br> -URI http://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6351-108592<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=123594938&amp;loc=d3e13531-108611<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 21<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123594938&amp;loc=d3e13537-108611<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6404-108592<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConcentrationRiskPercentage1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentDecreaseForgiveness">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Decrease for amounts of indebtedness forgiven by the holder of the debt instrument.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(f))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentDecreaseForgiveness</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeconsolidationGainOrLossAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of gain (loss) from deconsolidation of subsidiary and derecognition of group of assets constituting transfer of business or nonprofit activity, excluding conveyance of oil and gas mineral rights and transfer of good or service in contract with customer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109239629&amp;loc=SL4582445-111684<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeconsolidationGainOrLossAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredFinanceCostsNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1D<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495340-112611<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=124435984&amp;loc=d3e28555-108399<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredFinanceCostsNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EntityWideRevenueMajorCustomerLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EntityWideRevenueMajorCustomerLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GainsLossesOnExtinguishmentOfDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 50<br> -Section 40<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123467658&amp;loc=d3e12355-112629<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 50<br> -Section 40<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467658&amp;loc=d3e12317-112629<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GainsLossesOnExtinguishmentOfDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32687-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(14))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 360<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=124429447&amp;loc=SL124453093-239630<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 6: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8906-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 40<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9031-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 41<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9038-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130543-203045<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 42<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9054-108599<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130545-203045<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 924<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 11.L)<br> -URI http://asc.fasb.org/extlink&amp;oid=6472922&amp;loc=d3e499488-122856<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=PESI_PaycheckProtectionProgramLoanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=PESI_PaycheckProtectionProgramLoanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_MajorCustomersAxis=PESI_DomesticAndForeignGovernmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_MajorCustomersAxis=PESI_DomesticAndForeignGovernmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374702077432">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF REVENUE BY MAJOR CUSTOMERS BY REPORTING SEGMENTS (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EntityWideRevenueMajorCustomerLineItems', window );"><strong>Revenue, Major Customer [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Total</a></td>
<td class="nump">$ 60,812<span></span>
</td>
<td class="nump">$ 96,582<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=PESI_TreatmentMember', window );">Treatment [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EntityWideRevenueMajorCustomerLineItems', window );"><strong>Revenue, Major Customer [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Total</a></td>
<td class="nump">23,115<span></span>
</td>
<td class="nump">23,210<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=PESI_ServicesMember', window );">Services [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EntityWideRevenueMajorCustomerLineItems', window );"><strong>Revenue, Major Customer [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Total</a></td>
<td class="nump">37,697<span></span>
</td>
<td class="nump">73,372<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=PESI_DomesticGovernmentMember', window );">Domestic Government [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EntityWideRevenueMajorCustomerLineItems', window );"><strong>Revenue, Major Customer [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Total</a></td>
<td class="nump">51,551<span></span>
</td>
<td class="nump">91,032<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=PESI_DomesticGovernmentMember', window );">Domestic Government [Member] | Treatment [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EntityWideRevenueMajorCustomerLineItems', window );"><strong>Revenue, Major Customer [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Total</a></td>
<td class="nump">22,538<span></span>
</td>
<td class="nump">22,795<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=PESI_DomesticGovernmentMember', window );">Domestic Government [Member] | Services [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EntityWideRevenueMajorCustomerLineItems', window );"><strong>Revenue, Major Customer [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Total</a></td>
<td class="nump">29,013<span></span>
</td>
<td class="nump">68,237<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=PESI_ForeignGovernmentMember', window );">Foreign Government [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EntityWideRevenueMajorCustomerLineItems', window );"><strong>Revenue, Major Customer [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Total</a></td>
<td class="nump">9,261<span></span>
</td>
<td class="nump">5,550<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=PESI_ForeignGovernmentMember', window );">Foreign Government [Member] | Treatment [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EntityWideRevenueMajorCustomerLineItems', window );"><strong>Revenue, Major Customer [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Total</a></td>
<td class="nump">577<span></span>
</td>
<td class="nump">415<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=PESI_ForeignGovernmentMember', window );">Foreign Government [Member] | Services [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EntityWideRevenueMajorCustomerLineItems', window );"><strong>Revenue, Major Customer [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Total</a></td>
<td class="nump">$ 8,684<span></span>
</td>
<td class="nump">$ 5,135<span></span>
</td>
</tr>
</table>
<div style="display: none;">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EntityWideRevenueMajorCustomerLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Revenues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=PESI_TreatmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=PESI_TreatmentMember</td>
</tr>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=PESI_ServicesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=PESI_ServicesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td></td>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_MajorCustomersAxis=PESI_DomesticGovernmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_MajorCustomersAxis=PESI_DomesticGovernmentMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_MajorCustomersAxis=PESI_ForeignGovernmentMember</td>
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<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374704053480">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SCHEDULE OF REVENUE BASED ON CUSTOMER LOCATION (Details) - USD ($)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems', window );"><strong>Revenues from External Customers and Long-Lived Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="nump">$ 1,286,000<span></span>
</td>
<td class="nump">$ 72,191,000<span></span>
</td>
<td class="nump">$ 105,426,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_StatementGeographicalAxis=country_US', window );">UNITED STATES</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems', window );"><strong>Revenues from External Customers and Long-Lived Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">62,257,000<span></span>
</td>
<td class="nump">99,790,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_StatementGeographicalAxis=country_CA', window );">CANADA</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems', window );"><strong>Revenues from External Customers and Long-Lived Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">9,277,000<span></span>
</td>
<td class="nump">5,550,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_StatementGeographicalAxis=country_DE', window );">GERMANY</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems', window );"><strong>Revenues from External Customers and Long-Lived Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">567,000<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_StatementGeographicalAxis=country_GB', window );">UNITED KINGDOM</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems', window );"><strong>Revenues from External Customers and Long-Lived Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Net revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 90,000<span></span>
</td>
<td class="nump">$ 86,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8906-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 40<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9031-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 41<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9038-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130543-203045<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 42<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9054-108599<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130545-203045<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 924<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 11.L)<br> -URI http://asc.fasb.org/extlink&amp;oid=6472922&amp;loc=d3e499488-122856<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementGeographicalAxis=country_US</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementGeographicalAxis=country_CA</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_StatementGeographicalAxis=country_DE">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementGeographicalAxis=country_DE</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_StatementGeographicalAxis=country_GB">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementGeographicalAxis=country_GB</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<FILENAME>R92.htm
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<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374709004680">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SEGMENT REPORTING (Details Narrative)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th">
<div>Dec. 31, 2021 </div>
<div>Integer</div>
</th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingAbstract', window );"><strong>Segment Reporting [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
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<td class="nump">3<span></span>
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<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_SalePercentage', window );">Sale percentage</a></td>
<td class="nump">100.00%<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_SalePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sales percentage.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_SalePercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NumberOfReportableSegments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 18<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8672-108599<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NumberOfReportableSegments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:integerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SegmentReportingAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SegmentReportingAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>109
<FILENAME>R93.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
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</head>
<body>
<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374701992264">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>DEFERRAL OF EMPLOYMENT TAX DEPOSITS (Details Narrative)<br></strong></div></th>
<th class="th" colspan="1">1 Months Ended</th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_PaymentOfSocialSecurityTaxesAmount', window );">Payment of social security taxes amount</a></td>
<td class="nump">$ 626,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_RemainingPaymentOfSocialSecurityTaxesAmount', window );">Remaining payment of social security taxes amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 626,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TypeOfArrangementAxis=PESI_DeferralofEmploymentTaxDepositsMember', window );">Deferral of Employment Tax Deposits [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_SocialSecurityTaxesAmountPayable', window );">Social security taxes amount payable</a></td>
<td class="nump">$ 1,252,000<span></span>
</td>
<td class="nump">$ 1,252,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardDateAxis=PESI_DecemberThirtyOneTwoThousandAndTwentyOneMember', window );">December 31, 2021 [Member] | Deferral of Employment Tax Deposits [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_PercentageOfSocialSecurityTaxesDeferredPayable', window );">Percentage of social security taxes deferred payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">50.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardDateAxis=PESI_DecemberThirtyOneTwoThousandAndTwentyTwoMember', window );">December 31, 2022 [Member] | Deferral of Employment Tax Deposits [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_PercentageOfSocialSecurityTaxesDeferredPayable', window );">Percentage of social security taxes deferred payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">50.00%<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_PaymentOfSocialSecurityTaxesAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Payment of social security taxes amount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_PaymentOfSocialSecurityTaxesAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_PercentageOfSocialSecurityTaxesDeferredPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of company's social security taxes deferred for fiscal year 2020 that is due in future period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_PercentageOfSocialSecurityTaxesDeferredPayable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_RemainingPaymentOfSocialSecurityTaxesAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Remaining payment of social security taxes amount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_RemainingPaymentOfSocialSecurityTaxesAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_SocialSecurityTaxesAmountPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Social security taxes amount payable.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_SocialSecurityTaxesAmountPayable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TypeOfArrangementAxis=PESI_DeferralofEmploymentTaxDepositsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TypeOfArrangementAxis=PESI_DeferralofEmploymentTaxDepositsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AwardDateAxis=PESI_DecemberThirtyOneTwoThousandAndTwentyOneMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardDateAxis=PESI_DecemberThirtyOneTwoThousandAndTwentyOneMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AwardDateAxis=PESI_DecemberThirtyOneTwoThousandAndTwentyTwoMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardDateAxis=PESI_DecemberThirtyOneTwoThousandAndTwentyTwoMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>110
<FILENAME>R94.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
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</head>
<body>
<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374707279192">
<tr>
<th class="tl" colspan="2" rowspan="2"><div style="width: 200px;"><strong>VARIABLE INTEREST ENTITIES (&#8220;VIE&#8221;) (Details Narrative) - USD ($)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_VariableInterestEntityOwnershipPercentage', window );">Partnership interest rate</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">51.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Total assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">$ 77,301,000<span></span>
</td>
<td class="nump">$ 78,919,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Liabilities', window );">Total liabilities</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 36,717,000<span></span>
</td>
<td class="nump">$ 46,468,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=PESI_EngineeringRemediationResourcesGroupIncMember', window );">Engineering/Remediation Resources Group, Inc [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_VariableInterestEntityOwnershipPercentage', window );">Partnership interest rate</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">49.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=PESI_PermaFixERRGMember', window );">Perma-Fix ERRG [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Total assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 1,423,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Liabilities', window );">Total liabilities</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 1,423,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr><td colspan="3"></td></tr>
<tr><td colspan="3"><table class="outerFootnotes" width="100%"><tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Segment assets have been adjusted for intercompany accounts
to reflect actual assets for each segment.</td>
</tr></table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Assets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(iii)(A))<br> -URI 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Assets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Liabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19-26)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 50<br> -Paragraph 7<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124433192&amp;loc=SL2890621-112765<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (d)<br> -URI 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Liabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_VariableInterestEntityOwnershipPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5A<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123419778&amp;loc=SL6759159-111685<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_VariableInterestEntityOwnershipPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=PESI_EngineeringRemediationResourcesGroupIncMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=PESI_EngineeringRemediationResourcesGroupIncMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=PESI_PermaFixERRGMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=PESI_PermaFixERRGMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>111
<FILENAME>R95.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.22.1</span><table class="report" border="0" cellspacing="2" id="idm140374691027992">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>SUBSEQUENT EVENTS (Details Narrative)<br></strong></div></th>
<th class="th">
<div>Mar. 29, 2022 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Jan. 20, 2022 </div>
<div>USD ($)</div>
</th>
<th class="th"><div>Jan. 02, 2022</div></th>
<th class="th">
<div>Jan. 21, 2021 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Jun. 30, 2022 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>May 04, 2021 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventLineItems', window );"><strong>Subsequent Event [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity', window );">Line of credit facility, equipment line</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,000,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFeeAmount', window );">Debt instrument fees</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 15,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember', window );">Revolving Credit Facility [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventLineItems', window );"><strong>Subsequent Event [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity', window );">Line of credit facility, equipment line</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 8,692,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_StatementScenarioAxis=srt_ScenarioForecastMember', window );">Forecast [Member] | Revolving Credit Facility [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventLineItems', window );"><strong>Subsequent Event [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity', window );">Line of credit facility, equipment line</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember', window );">Subsequent Event [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventLineItems', window );"><strong>Subsequent Event [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityDescription', window );">Credit facility, description</a></td>
<td class="text">the quarterly FCCR testing requirement starting for the second quarter of 2022 and revises the methodology to be used in calculating
    the FCCR for the quarters ending June 30, 2022, September 30, 2022, and December 31, 2022 (with no change to the minimum 1.15:1 ratio
    requirement for each quarter)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod', window );">Interest rate</a></td>
<td class="nump">0.375%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember', window );">Subsequent Event [Member] | Minimum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventLineItems', window );"><strong>Subsequent Event [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage', window );">Percentage of unused line fees</a></td>
<td class="nump">0.375%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember', window );">Subsequent Event [Member] | Maximum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventLineItems', window );"><strong>Subsequent Event [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage', window );">Percentage of unused line fees</a></td>
<td class="nump">0.50%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=srt_ExecutiveOfficerMember', window );">Executive Officer [Member] | Subsequent Event [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventLineItems', window );"><strong>Subsequent Event [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_PercentageIncreaseInAnnualCompensation', window );">Increase in annual compensation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.064<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=PESI_CEOMember', window );">CEO [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventLineItems', window );"><strong>Subsequent Event [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage', window );">Compensation arrangement with individual, cash awards, minimum, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage', window );">Compensation arrangement with individual, cash awards, maximum, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">150.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount', window );">Compensation arrangement with individual, cash awards, minimum, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 17,220<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount', window );">Compensation arrangement with individual, cash awards, maximum, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 516,600<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=PESI_CEOMember', window );">CEO [Member] | Subsequent Event [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventLineItems', window );"><strong>Subsequent Event [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage', window );">Compensation arrangement with individual, cash awards, minimum, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">25.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage', window );">Compensation arrangement with individual, cash awards, maximum, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">150.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount', window );">Compensation arrangement with individual, cash awards, minimum, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 93,717<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount', window );">Compensation arrangement with individual, cash awards, maximum, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 562,304<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=srt_ChiefFinancialOfficerMember', window );">Chief Financial Officer [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventLineItems', window );"><strong>Subsequent Event [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage', window );">Compensation arrangement with individual, cash awards, minimum, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage', window );">Compensation arrangement with individual, cash awards, maximum, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">100.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount', window );">Compensation arrangement with individual, cash awards, minimum, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 14,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount', window );">Compensation arrangement with individual, cash awards, maximum, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 280,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=srt_ChiefFinancialOfficerMember', window );">Chief Financial Officer [Member] | Subsequent Event [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventLineItems', window );"><strong>Subsequent Event [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage', window );">Compensation arrangement with individual, cash awards, minimum, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">25.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage', window );">Compensation arrangement with individual, cash awards, maximum, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">100.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount', window );">Compensation arrangement with individual, cash awards, minimum, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 76,193<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount', window );">Compensation arrangement with individual, cash awards, maximum, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 304,772<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=PESI_ExecutiveVicePresidentOfStrategicInitiativesMember', window );">EVP of Strategic Initiatives [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventLineItems', window );"><strong>Subsequent Event [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage', window );">Compensation arrangement with individual, cash awards, minimum, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage', window );">Compensation arrangement with individual, cash awards, maximum, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">100.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount', window );">Compensation arrangement with individual, cash awards, minimum, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 11,667<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount', window );">Compensation arrangement with individual, cash awards, maximum, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 233,336<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=PESI_ExecutiveVicePresidentOfStrategicInitiativesMember', window );">EVP of Strategic Initiatives [Member] | Subsequent Event [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventLineItems', window );"><strong>Subsequent Event [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage', window );">Compensation arrangement with individual, cash awards, minimum, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">25.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage', window );">Compensation arrangement with individual, cash awards, maximum, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">100.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount', window );">Compensation arrangement with individual, cash awards, minimum, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 63,495<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount', window );">Compensation arrangement with individual, cash awards, maximum, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 253,980<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=PESI_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember', window );">EVP of Nuclear And Technical Services [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventLineItems', window );"><strong>Subsequent Event [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage', window );">Compensation arrangement with individual, cash awards, minimum, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage', window );">Compensation arrangement with individual, cash awards, maximum, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">100.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount', window );">Compensation arrangement with individual, cash awards, minimum, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 14,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount', window );">Compensation arrangement with individual, cash awards, maximum, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 280,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=PESI_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember', window );">EVP of Nuclear And Technical Services [Member] | Subsequent Event [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventLineItems', window );"><strong>Subsequent Event [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage', window );">Compensation arrangement with individual, cash awards, minimum, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">25.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage', window );">Compensation arrangement with individual, cash awards, maximum, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">100.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount', window );">Compensation arrangement with individual, cash awards, minimum, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 76,193<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount', window );">Compensation arrangement with individual, cash awards, maximum, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 304,772<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=PESI_ExecutiveVicePresidentOfWasteTreatmentOperationsMember', window );">EVP of Waste Treatment Operations [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventLineItems', window );"><strong>Subsequent Event [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage', window );">Compensation arrangement with individual, cash awards, minimum, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage', window );">Compensation arrangement with individual, cash awards, maximum, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">100.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount', window );">Compensation arrangement with individual, cash awards, minimum, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 12,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount', window );">Compensation arrangement with individual, cash awards, maximum, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 240,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=PESI_ExecutiveVicePresidentOfWasteTreatmentOperationsMember', window );">EVP of Waste Treatment Operations [Member] | Subsequent Event [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventLineItems', window );"><strong>Subsequent Event [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage', window );">Compensation arrangement with individual, cash awards, minimum, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">25.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage', window );">Compensation arrangement with individual, cash awards, maximum, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">100.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount', window );">Compensation arrangement with individual, cash awards, minimum, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 65,308<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount', window );">Compensation arrangement with individual, cash awards, maximum, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 261,233<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_TitleOfIndividualAxis=PESI_LenderMember', window );">Lender [Member] | Subsequent Event [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventLineItems', window );"><strong>Subsequent Event [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFeeAmount', window );">Debt instrument fees</a></td>
<td class="nump">$ 15,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Maximum cash incentive payable under Management Incentive Plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_CompensationArrangementWithIndividualCashAwardsMaximumAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Compensation arrangement with individual, cash awards, maximum, percentage.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_CompensationArrangementWithIndividualCashAwardsMaximumPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Compensation arrangement with individual, cash awards, minimum, amount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_CompensationArrangementWithIndividualCashAwardsMinimumAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Compensation arrangement with individual, cash awards, minimum, percentage.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_CompensationArrangementWithIndividualCashAwardsMinimumPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_PESI_PercentageIncreaseInAnnualCompensation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage increase in annual compensation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">PESI_PercentageIncreaseInAnnualCompensation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>PESI_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:pureItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentFeeAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the fee that accompanies borrowing money under the debt instrument.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentFeeAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityDescription">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Description of the terms of a credit facility arrangement. Terms typically include interest rate, collateral required, guarantees required, repayment requirements, and restrictions on use of assets and activities of the entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityDescription</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The effective interest rate during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityInterestRateDuringPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SubsequentEventLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SubsequentEventLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_StatementScenarioAxis=srt_ScenarioForecastMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementScenarioAxis=srt_ScenarioForecastMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MinimumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MinimumMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=srt_ExecutiveOfficerMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=srt_ExecutiveOfficerMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=PESI_CEOMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=PESI_CEOMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_TitleOfIndividualAxis=srt_ChiefFinancialOfficerMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=srt_ChiefFinancialOfficerMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
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<td></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=PESI_ExecutiveVicePresidentOfStrategicInitiativesMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=PESI_ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=PESI_ExecutiveVicePresidentOfWasteTreatmentOperationsMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td style="white-space:nowrap;">srt_TitleOfIndividualAxis=PESI_LenderMember</td>
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    <PESI:Vehicles contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">443000</PESI:Vehicles>
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    <us-gaap:BusinessDescriptionAndBasisOfPresentationTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_808_eus-gaap--BusinessDescriptionAndBasisOfPresentationTextBlock_zHNzVv7sIPg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;NOTE
1&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_825_zbhraiPNRFa5"&gt;DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 15pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Perma-Fix
Environmental Services, Inc. (the Company, which may be referred to as we, us, or our), an environmental and technology know-how company,
is a Delaware corporation, engaged through its subsidiaries, in three reportable segments:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;TREATMENT
SEGMENT, which includes:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify; text-indent: -0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

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    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;-&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;nuclear,
    low-level radioactive, mixed waste (containing both hazardous and low-level radioactive constituents), hazardous and non-hazardous
    waste treatment, processing and disposal services primarily through four uniquely licensed and permitted treatment and storage facilities;
    and&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
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    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;-&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;R&amp;amp;D
    activities to identify, develop and implement innovative waste processing techniques for problematic waste streams.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
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&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;SERVICES
SEGMENT, which includes:&lt;/span&gt;&lt;/p&gt;

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    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;-&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Technical
    services, which include:&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
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    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: justify"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
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    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cb;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;professional
    radiological measurement and site survey of large government and commercial installations using advanced methods, technology and
    engineering;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cb;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;integrated
    Occupational Safety and Health services including IH assessments; hazardous materials surveys, e.g., exposure monitoring; lead and
    asbestos management/abatement oversight; indoor air quality evaluations; health risk and exposure assessments; health &amp;amp; safety
    plan/program development, compliance auditing and training services; and OSHA citation assistance;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cb;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;global
    technical services providing consulting, engineering, project management, waste management, environmental, and decontamination and
    decommissioning field, technical, and management personnel and services to commercial and government customers; and&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cb;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;on-site
    waste management services to commercial and governmental customers.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: justify"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;-&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Nuclear
    services, which include:&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: justify"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cb;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;technology-based
    services including engineering, D&amp;amp;D, specialty services and construction, logistics, transportation, processing and disposal;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cb;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;remediation
    of nuclear licensed and federal facilities and the remediation cleanup of nuclear legacy sites. Such services capability includes:
    project investigation; radiological engineering; partial and total plant D&amp;amp;D; facility decontamination, dismantling, demolition,
    and planning; site restoration; logistics; transportation; and emergency response; and&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: justify"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;-&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;A
    company owned equipment calibration and maintenance laboratory that services, maintains, calibrates, and sources (i.e., rental) health
    physics, IH and customized NEOSH instrumentation.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;
&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0.5in; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;MEDICAL
SEGMENT, which included: R&amp;amp;D of the Company&#x2019;s medical isotope production technology by the Company&#x2019;s majority-owned (approximately
&lt;span id="xdx_905_eus-gaap--EquityMethodInvestmentOwnershipPercentage_iI_pid_dp_c20211231__us-gaap--TypeOfArrangementAxis__custom--SalesAgreementMember_zk4NrQyXcNQd"&gt;60.54&lt;/span&gt;%) Polish subsidiary, Perma-Fix Medical S.A (&#x201c;PFM Poland&#x201d;), and PFM Poland&#x2019;s wholly-owned subsidiary, Perma-Fix
Medical Corporation (&#x201c;PFMC&#x201d;). The Company&#x2019;s Medical Segment (or &#x201c;PF Medical&#x201d;) had not generated any revenue.
During December 2021, the Company made the strategic decision to cease all R&amp;amp;D activities under the Medical Segment which resulted
in the sale of &lt;span id="xdx_905_ecustom--SalesOfInterestPercentage_pid_dp_c20210101__20211231__srt--ConsolidatedEntitiesAxis__custom--PFMPolandMember_z4U6tuXcyzQ" title="Sale of interest in subsidiaries"&gt;100&lt;/span&gt;% of PFM Poland (See &#x201c;Note 14 &#x2013; PF Medical&#x201d; for a discussion of this sale).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company&#x2019;s continuing operations consist of the operations of our subsidiaries/facilities as follow: Diversified Scientific Services,
Inc. (&#x201c;DSSI&#x201d;), Perma-Fix of Florida, Inc. (&#x201c;PFF&#x201d;), Perma-Fix of Northwest Richland, Inc. (&#x201c;PFNWR&#x201d;),
Safety &amp;amp; Ecology Corporation (&#x201c;SEC&#x201d;), Perma-Fix Environmental Services UK Limited (&#x201c;PF UK Limited&#x201d;), Perma-Fix
of Canada, Inc. (&#x201c;PF Canada&#x201d;), PF Medical, East Tennessee Materials &amp;amp; Energy Corporation (&#x201c;M&amp;amp;EC&#x201d;) (facility
closure completed in 2019), Oak Ridge Environmental Waste Operations Center (&#x201c;EWOC&#x201d;) and Perma-Fix ERRG, a variable interest
entity (&#x201c;VIE&#x201d;) for which we are the primary beneficiary (See &#x201c;Note 20 - Variable Interest Entities (&#x201c;VIE&#x201d;)&#x201d;
for a discussion of this VIE).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company&#x2019;s discontinued operations (see Note 9) consist of operations of all our subsidiaries included in our Industrial Segment
which encompasses subsidiaries divested in 2011 and prior and three previously closed locations.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Financial
Positions and Liquidity&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company&#x2019;s 2021 financial results continued to be impacted by COVID-19 where we experienced continued waste shipment delays from
certain customers within our Treatment Segment. However, the Company expects to see a gradual return in waste receipts from these customers
starting in the second quarter of 2022 as the Company expects these customers to start easing up on COVID-19 restrictions, including
reinstating return-to-work schedule in the upcoming months. Additionally, as a result of the constraint in supply chain, our Treatment
Segment experienced a delay in the delivery of a new technology waste processing unit from our supplier which negatively impacted our
revenue as the associated revenue was not able to be generated. Delivery of this unit had been expected during the third quarter of 2021
but did not occur until the first quarter of 2022. The Company&#x2019;s Services Segment experienced delays in procurement actions and
contract awards resulting primarily from the impact of COVID-19 in the first half of 2021. Since the end of the second quarter of 2021,
the Services Segment was awarded a number of new contracts but due to customer administrative delay and/or continued COVID-19 impact
experienced by certain customers, work under certain of these new awards was temporarily curtailed/delayed which negatively impacted
our revenue. We expect to see a ramp-up in activities from certain of these new projects starting in the second quarter
of 2022.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company&#x2019;s cash flow requirements during the twelve months ended December 31, 2021 were primarily financed by our operations, our
credit facility availability and an equity raise that the Company consummated at the end of the third quarter of 2021. The Company received
approximately $&lt;span id="xdx_90F_eus-gaap--ProceedsFromIssuanceOfCommonStock_pp0p0_c20210101__20211231__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember_zfgabJ6CdP3g" title="Proceeds from issuance of common stock"&gt;6,200,000&lt;/span&gt; in gross proceeds from this equity raise for the sale and issuance of &lt;span id="xdx_904_eus-gaap--StockIssuedDuringPeriodSharesNewIssues_pid_c20210101__20211231__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember_z5cjl4nqZ9ab" title="Shares issued during period, new issue"&gt;1,000,000&lt;/span&gt; shares of the Company&#x2019;s
Common Stock (see &#x201c;Note 7 &#x2013; Common Stock Subscription Agreement&#x201d; for a discussing of this equity raise). At December
31, 2021, the Company had borrowing availability under its revolving credit facility of approximately $&lt;span id="xdx_904_eus-gaap--LineOfCreditFacilityCurrentBorrowingCapacity_iI_pp0p0_c20211231__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zPunkl59IJyf" title="Line of credit, borrowing capacity"&gt;8,692,000&lt;/span&gt; which was based on a
percentage of eligible receivables and subject to certain reserves and included its cash on hand of approximately $&lt;span id="xdx_90A_eus-gaap--Cash_iI_pp0p0_c20211231__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zwGadfhyRmej" title="Cash on hand"&gt;4,440,000&lt;/span&gt;. The Company
has ceased all R&amp;amp;D activities under its Medical Segment and sold its majority-owned subsidiary, PFM Poland (see &#x201c;Note 14 &#x2013;
PF Medical&#x201d; for a discussion of the sale of PFM Poland). The Company&#x2019;s cash flow requirements for the next twelve months
will consist primarily of general working capital needs, scheduled principal payments on our debt obligations, remediation projects,
and planned capital expenditures. We plan to fund these requirements from our operations, credit facility availability, our capital expenditure
line, and cash on hand. We are continually reviewing operating costs and reviewing the possibility of further reducing operating costs
and non-essential expenditures to bring them in line with revenue levels, when necessary. At this time, we believe that our cash flows
from operations, our available liquidity from our credit facility, our capital expenditure line and our cash on hand should be sufficient
to fund our operations for the next twelve months.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;As
the situations surrounding COVID-19 continues to remain fluid, the full impact and extent of the pandemic on our financial results and
liquidity cannot be estimated with any degree of certainty. We continue to closely monitor the impact of the COVID-19 pandemic on all
aspects of our business.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

</us-gaap:BusinessDescriptionAndBasisOfPresentationTextBlock>
    <us-gaap:EquityMethodInvestmentOwnershipPercentage
      contextRef="AsOf2021-12-31_custom_SalesAgreementMember"
      decimals="INF"
      unitRef="Pure">0.6054</us-gaap:EquityMethodInvestmentOwnershipPercentage>
    <PESI:SalesOfInterestPercentage
      contextRef="From2021-01-012021-12-31_custom_PFMPolandMember"
      decimals="INF"
      unitRef="Pure">1</PESI:SalesOfInterestPercentage>
    <us-gaap:ProceedsFromIssuanceOfCommonStock
      contextRef="From2021-01-012021-12-31_us-gaap_CommonStockMember"
      decimals="0"
      unitRef="USD">6200000</us-gaap:ProceedsFromIssuanceOfCommonStock>
    <us-gaap:StockIssuedDuringPeriodSharesNewIssues
      contextRef="From2021-01-012021-12-31_us-gaap_CommonStockMember"
      decimals="INF"
      unitRef="Shares">1000000</us-gaap:StockIssuedDuringPeriodSharesNewIssues>
    <us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity
      contextRef="AsOf2021-12-31_us-gaap_RevolvingCreditFacilityMember"
      decimals="0"
      unitRef="USD">8692000</us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity>
    <us-gaap:Cash
      contextRef="AsOf2021-12-31_us-gaap_RevolvingCreditFacilityMember"
      decimals="0"
      unitRef="USD">4440000</us-gaap:Cash>
    <us-gaap:SignificantAccountingPoliciesTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_805_eus-gaap--SignificantAccountingPoliciesTextBlock_zv9bMTKY4M6e" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;NOTE
2&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_823_znauXrlqTCnd"&gt;SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_842_eus-gaap--ConsolidationPolicyTextBlock_zGFRvVTICWz3" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_86A_z3HznYA4tfae"&gt;Principles
of Consolidation&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company&#x2019;s consolidated financial statements include our accounts, those of our wholly-owned subsidiaries, our majority-owned Polish
subsidiary (see &#x201c;Note 15 &#x2013; PF Medical&#x201d; for a discussion on the sale of PFM Poland in December 2021), and Perma-Fix
ERRG, a VIE for which we are the primary beneficiary as discussed above, after elimination of all significant intercompany accounts and
transactions.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_84C_eus-gaap--UseOfEstimates_zU7Dg9Gv3D3c" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_86B_zjrOzG4O05Zf"&gt;Use
of Estimates&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company prepares financial statements in conformity with accounting standards generally accepted in the United States (&#x201c;U.S.
GAAP&#x201d;), which may require estimates of future cash flows and assumptions that affect the reported amounts of assets and liabilities
and disclosures of contingent assets and liabilities at the date of the financial statements, as well as, the reported amounts of revenues
and expenses during the reporting period. Due to the inherent uncertainty involved in making estimates, actual results could differ from
those estimates.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_843_eus-gaap--CashAndCashEquivalentsPolicyTextBlock_zgy44TNKXiMk" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_86D_zH6r9bToncM7"&gt;Cash
and Finite Risk Sinking Fund (Restricted Cash)&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;At
December 31, 2021, the Company had cash on hand of approximately $&lt;span id="xdx_902_eus-gaap--Cash_iI_pp0d_c20211231_zUp4JFrCEtNf" title="Cash on hand"&gt;4,444,000&lt;/span&gt;, which included account balances of our foreign subsidiaries
totaling approximately $&lt;span id="xdx_909_eus-gaap--Cash_iI_pp0d_c20211231__srt--ConsolidatedEntitiesAxis__custom--ForeignSubsidiariesMember_zwGsrQDOJQ12" title="Cash on hand"&gt;26,000&lt;/span&gt;. At December 31, 2020, the Company had cash on hand of approximately $&lt;span&gt;&lt;span id="xdx_90D_eus-gaap--Cash_iI_pp0p0_c20201231_zg5J8pg9uSx7" title="Cash on hand"&gt;7,924,000&lt;/span&gt;&lt;/span&gt;, which included account
balances of our foreign subsidiaries totaling approximately $&lt;span id="xdx_905_eus-gaap--Cash_iI_pp0p0_c20201231__srt--ConsolidatedEntitiesAxis__custom--ForeignSubsidiariesMember_z5rzkn2Kr7Pg" title="Cash on hand"&gt;377,000&lt;/span&gt;. At December 31, 2021 and 2020, the Company had finite risk sinking
funds of approximately $&lt;span id="xdx_906_eus-gaap--RestrictedCashNoncurrent_iI_c20211231_zKmvDKKBmHU6" title="Finite risk sinking fund"&gt;11,471,000&lt;/span&gt; and $&lt;span id="xdx_90D_eus-gaap--RestrictedCashNoncurrent_iI_pp0p0_c20201231_zhDJiSHwusab" title="Finite risk sinking fund"&gt;11,446,000&lt;/span&gt;, respectively, which represented cash held as collateral under the Company&#x2019;s
financial assurance policy (see &#x201c;Note 15 &#x2013; Commitment and Contingencies &#x2013; Insurance&#x201d; for a discussion of this
fund).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_841_eus-gaap--TradeAndOtherAccountsReceivablePolicy_zdyToPK9JXI6" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_867_zXRqhrFr8bpj"&gt;Accounts
Receivable&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Accounts
receivable are customer obligations due under normal trade terms requiring payment within 30 or 60 days from the invoice date based on
the customer type (government, broker, or commercial). The carrying amount of accounts receivable is reduced by an allowance for doubtful
accounts, which is a valuation allowance that reflects management&#x2019;s best estimate of the amounts that will not be collected. The
Company regularly reviews all accounts receivable balances that exceed 60 days from the invoice date and based on an assessment of current
credit worthiness, estimates the portion, if any, of the balance that will not be collected. This analysis excludes government related
receivables due to our past successful experience in their collectability. Specific accounts that are deemed to be uncollectible are
reserved at 100% of their outstanding balance. The remaining balances aged over 60 days have a percentage applied by aging category,
based on historical experience that allows us to calculate the total allowance required. Once the Company has exhausted all options in
the collection of a delinquent accounts receivable balance, which includes collection letters, demands for payment, collection agencies
and attorneys, the account is deemed uncollectible and subsequently written off. The write off process involves approvals from senior
management based on required approval thresholds.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_89F_eus-gaap--ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock_z4sw87g0uqFi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
following table sets forth the activity in the allowance for doubtful accounts for the years ended December 31, 2021 and 2020 (in thousands):&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8B1_zdmDforkxnn" style="display: none"&gt;SCHEDULE OF CREDIT LOSSES FOR FINANCING RECEIVABLES, CURRENT&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 80%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Year
    Ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Allowance for doubtful accounts
    - beginning of year&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iS_pn3n3_c20210101__20211231_z2thEoh3Mzp9" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Allowance for doubtful accounts - beginning of year"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;404&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iS_pn3n3_c20200101__20201231_zRPwk5XbXdU" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Allowance for doubtful accounts - beginning of year"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;487&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Provision for (recovery of) bad debt reserve&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesProvision_pn3n3_c20210101__20211231_zJyNnKlPRBE4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Provision for (recovery of) bad debt reserve"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;41&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesProvision_pn3n3_c20200101__20201231_ztv2F2jlaDt3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Provision for (recovery of) bad debt reserve"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(101&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(Write-off) recovery of
    write-off&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff_pn3n3_c20210101__20211231_zuMyec4YCrvf" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="(Write-off) recovery of write-off"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(360&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff_pn3n3_c20200101__20201231_zJJk0KGtQ3tb" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="(Write-off) recovery of write-off"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;18&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Allowance for doubtful
    accounts - end of year&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iE_pn3n3_c20210101__20211231_zc0iClrFaLTa" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Allowance for doubtful accounts - end of year"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;85&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iE_pn3n3_c20200101__20201231_z4BG1uoVYgTc" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Allowance for doubtful accounts - end of year"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;404&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8AF_z5HgxIomnts8" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_848_eus-gaap--TradeAndOtherAccountsReceivableUnbilledReceivablesPolicy_zaxQKDblktMb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_86B_zKUTA4Hjdb3f"&gt;Unbilled
Receivables&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Unbilled
receivables are generated by differences between invoicing timing and our over time revenue recognition methodology used for revenue
recognition purposes. As major processing and contract completion phases are completed and the costs are incurred, the Company recognizes
the corresponding percentage of revenue. Within our Treatment Segment, the facilities experience delays in processing invoices due to
the complexity of the documentation that is required for invoicing, as well as the difference between completion of revenue recognition
milestones and agreed upon invoicing terms, which results in unbilled receivables. The timing differences occur for several reasons which
include: partially from delays in the final processing of all wastes associated with certain work orders and partially from delays for
analytical testing that is required after the facilities have processed waste but prior to our release of waste for disposal. The tasks
relating to these delays can take months to complete but are generally completed within twelve months.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Unbilled
receivables within our Services Segment can result from work performed under contracts but invoice milestones have not yet been met and/or
contract claims and pending change orders, including REA when work has been performed and collection of revenue is reasonably assured.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_848_eus-gaap--InventoryPolicyTextBlock_zWdmkqso8Mxf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_869_zyGMoeorfYJ6"&gt;Inventories&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Inventories
consist of treatment chemicals, saleable used oils, and certain supplies. Additionally, the Company has replacement parts in inventory,
which are deemed critical to the operating equipment and may also have extended lead times should the part fail and need to be replaced.
Inventories are valued at the lower of cost or net realizable value with cost determined by the first-in, first-out method.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_84D_eus-gaap--CostOfSalesPolicyTextBlock_ze7egpn2wqTg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_86A_zNF4ri5sjEI8"&gt;Disposal
and Transportation Costs&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company accrues for waste disposal based upon a physical count of the waste at each facility at the end of each accounting period. Current
market prices for transportation and disposal costs are applied to the end of period waste inventories to calculate for the transportation
and disposal accruals.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_841_eus-gaap--PropertyPlantAndEquipmentPolicyTextBlock_zSCrUWPvFnz6" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_869_zf2VpvQOSPy5"&gt;Property
and Equipment&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Property
and equipment expenditures are capitalized and depreciated using the straight-line method over the estimated useful lives of the assets
for financial statement purposes, while accelerated depreciation methods are principally used for income tax purposes. Generally, asset
lives range from &lt;span id="xdx_90C_eus-gaap--PropertyPlantAndEquipmentUsefulLife_dtYxL_c20210101__20211231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--BuildingMember__srt--RangeAxis__srt--MinimumMember_zRFVymWivwj" title="Property, plant and equipment, useful life::XDX::10"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0765"&gt;ten&lt;/span&gt;&lt;/span&gt; to &lt;span id="xdx_904_eus-gaap--PropertyPlantAndEquipmentUsefulLife_dc_c20210101__20211231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--BuildingMember__srt--RangeAxis__srt--MaximumMember_zQCk22aJrcq4"&gt;forty years&lt;/span&gt; for buildings (including improvements and asset retirement costs) and &lt;span id="xdx_904_eus-gaap--PropertyPlantAndEquipmentUsefulLife_dtYxL_c20210101__20211231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--OfficeFurnitureAndEquipmentMember__srt--RangeAxis__srt--MinimumMember_zydfL9JiDPFd" title="::XDX::3"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0767"&gt;three&lt;/span&gt;&lt;/span&gt; to &lt;span id="xdx_90A_eus-gaap--PropertyPlantAndEquipmentUsefulLife_dc_c20210101__20211231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--OfficeFurnitureAndEquipmentMember__srt--RangeAxis__srt--MaximumMember_zKPjPtNramEk"&gt;seven years&lt;/span&gt; for office
furniture and equipment, vehicles, and decontamination and processing equipment. Leasehold improvements are capitalized and amortized
over the lesser of the term of the lease or the life of the asset. Maintenance and repairs are charged directly to expense as incurred.
The cost and accumulated depreciation of assets sold or retired are removed from the respective accounts, and any gain or loss from sale
or retirement is recognized in the accompanying Consolidated Statements of Operations. Renewals and improvements, which extend the useful
lives of the assets, are capitalized.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Certain
property and equipment expenditures are financed through leases. Amortization of financed leased assets is computed using the straight-line
method over the estimated useful lives of the assets. At December 31, 2021, assets recorded under finance leases were $&lt;span id="xdx_90A_eus-gaap--FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_iI_pp0p0_c20211231_zGlJrZHAZ7j4" title="Finance leases assets recorded"&gt;2,409,000&lt;/span&gt; less
accumulated depreciation of $&lt;span id="xdx_90B_eus-gaap--FinanceLeaseRightOfUseAssetAccumulatedAmortization_iI_pp0p0_c20211231_ztcQaxiTS5pl" title="Finance leases accumulated depreciation"&gt;475,000&lt;/span&gt;, resulting in net fixed assets under finance leases of $&lt;span id="xdx_90C_ecustom--FixedAssetsOfFinanceLease_iI_pp0p0_c20211231_zCUDBTdQi19d" title="Finance leases net fixed asset"&gt;1,934,000&lt;/span&gt;. At December 31, 2020, assets
recorded under finance leases were $&lt;span id="xdx_904_eus-gaap--FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_iI_pp0p0_c20201231_zOwPpOkJAQ22" title="Finance leases assets recorded"&gt;2,285,000&lt;/span&gt; less accumulated depreciation of $&lt;span id="xdx_90F_eus-gaap--FinanceLeaseRightOfUseAssetAccumulatedAmortization_iI_pp0p0_c20201231_zVutUEBKPoSd" title="Finance leases accumulated depreciation"&gt;291,000&lt;/span&gt;, resulting in net fixed assets under finance
leases of $&lt;span id="xdx_90C_ecustom--FixedAssetsOfFinanceLease_iI_pp0p0_c20201231_zp6EbtE93qW6" title="Finance leases net fixed asset"&gt;1,994,000&lt;/span&gt;. These assets are recorded within net property and equipment on the Consolidated Balance Sheets.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Long-lived
assets, such as property, plant and equipment, are reviewed for impairment whenever events or changes in circumstances indicate that
the carrying amount of an asset may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the
carrying amount of an asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount
of an asset exceeds its estimated future cash flows, an impairment charge is recognized in the amount by which the carrying amount of
the asset exceeds the fair value of the asset. Assets to be disposed of are separately presented in the balance sheet and reported at
the lower of the carrying amount or fair value less costs to sell, and are no longer depreciated.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Our
depreciation expense totaled approximately $&lt;span id="xdx_905_eus-gaap--Depreciation_pp0p0_c20210101__20211231_zaqvdAjuFyv3" title="Depreciation expense"&gt;1,476,000&lt;/span&gt; and $&lt;span id="xdx_904_eus-gaap--Depreciation_pp0p0_c20200101__20201231_zlxjC2qzlDs1" title="Depreciation"&gt;1,357,000&lt;/span&gt; in 2021 and 2020, respectively.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_842_eus-gaap--LesseeLeasesPolicyTextBlock_zcdVbRJ3NTkb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_86F_zlUdbXGrMvhg"&gt;Leases&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company accounts for leases in accordance with FASB&#x2019;s ASU 2016-02, &#x201c;Leases (Topic 842).&#x201d; At the inception of an arrangement,
the Company determines if an arrangement is, or contains, a lease based on facts and circumstances present in that arrangement. Lease
classifications, recognition, and measurement are then determined at the lease commencement date.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company&#x2019;s operating lease right-of-use (&#x201c;ROU&#x201d;) assets and operating lease liabilities represent primarily leases for
office and warehouse spaces used to conduct our business. These leases have remaining terms of approximately two to eight years which
include additional options to renew. The Company includes renewal options in valuing its ROU assets and liabilities when it determines
that it is reasonably certain to exercise these renewal options. As most of our operating leases do not provide an implicit rate, the
Company uses its incremental borrowing rate as the discount rate when determining the present value of the lease payments. The incremental
borrowing rate is determined based on the Company&#x2019;s secured borrowing rate, lease terms and current economic environment. Some
of our operating leases include both lease (rent payments) and non-lease components (maintenance costs such as cleaning and landscaping
services). The Company has elected the practical expedient to account for lease component and non-lease component as a single component
for all leases under ASU 2016-02. Lease expense for operating leases is recognized on a straight-line basis over the lease term.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Finance
leases primarily consist of processing and transport equipment used by our facilities&#x2019; operations. The Company&#x2019;s finance
leases also included a building with land utilized for our waste treatment operations which included a purchase option. During the third
quarter of 2021, the Company concluded that it was more likely than not that it would not exercise this purchase option but will continue
to lease the property. Accordingly, a reassessment of this lease was performed which resulted in reclassification of this lease to an
operating lease. The Company&#x2019;s finance leases have remaining terms of approximately one to four years and some of the leases include
options to purchase the underlying assets at fair market value at the conclusion of the lease term. See &#x201c;Property and Equipment&#x201d;
above for assets recorded under financed leases. Borrowing rates for our finance leases are either explicitly stated in the lease agreements
or implicitly determined from available terms in the lease agreements.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company adopted the policy to not recognize ROU assets and liabilities for short term leases.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_84E_eus-gaap--GoodwillAndIntangibleAssetsPolicyTextBlock_zMHJAcx1vUh8" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_868_zQ8LslH3BMt6"&gt;Intangible
Assets&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Intangible
assets consist primarily of the recognized value of the permits required to operate our business. Indefinite-lived intangible assets
are not amortized but are reviewed for impairment annually as of October 1, or when events or changes in the business environment indicate
that the carrying value may be impaired. If the fair value of the asset is less than the carrying amount, a quantitative test is performed
to determine the fair value. The impairment loss, if any, is measured as the excess of the carrying value of the asset over its fair
value. Judgments and estimates are inherent in these analyses and include assumptions for, among other factors, forecasted revenue, gross
margin, growth rate, operating income, timing of expected future cash flows, and the determination of appropriate long-term discount
rates. Impairment testing of our indefinite-lived permits related to our Treatment reporting unit as of October 1, 2021 and 2020 resulted
in no impairment charges.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Intangible
assets that have definite useful lives are amortized using the straight-line method over the estimated useful lives (with the exception
of customer relationships which are amortized using an accelerated method) and are excluded from our annual intangible asset valuation
review as of October 1. Definite-lived intangible assets are also tested for impairment whenever events or changes in circumstances suggest
impairment might exist.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_84B_eus-gaap--ResearchAndDevelopmentExpensePolicy_zXHCLr8Iyoia" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_86A_zcMGIrM1cauh"&gt;R&amp;amp;D&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Operational
innovation and technical know-how are very important to the success of our business. Our goal is to discover, develop, and bring to market
innovative ways to process waste that address unmet environmental needs and to develop new company service offerings. The Company conducts
research internally and also through collaborations with other third parties. R&amp;amp;D costs consist primarily of employee salaries and
benefits, laboratory costs, third party fees, and other related costs associated with the development and enhancement of new potential
waste treatment processes and new technology and are charged to expense when incurred in accordance with ASC Topic 730, &#x201c;Research
and Development.&#x201d;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_845_eus-gaap--AssetRetirementObligationsPolicy_zZQaogrcIlZi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_868_zgOMvZiQ94f7"&gt;Accrued
Closure Costs and ARO&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Accrued
closure costs represent our estimated environmental liability to clean up our facilities, as required by our permits, in the event of
closure. ASC 410, &#x201c;Asset Retirement and Environmental Obligations&#x201d; requires that the discounted fair value of a liability
for an ARO be recognized in the period in which it is incurred with the associated ARO capitalized as part of the carrying cost of the
asset. The recognition of an ARO requires that management make numerous estimates, assumptions and judgments regarding such factors as
estimated probabilities, timing of settlements, material and service costs, current technology, laws and regulations, and credit adjusted
risk-free rate to be used. This estimate is inflated, using an inflation rate, to the expected time at which the closure will occur,
and then discounted back, using a credit adjusted risk free rate, to the present value. ARO&#x2019;s are included within buildings as
part of property and equipment and are depreciated over the estimated useful life of the property. In periods subsequent to initial measurement
of the ARO, the Company must recognize period-to-period changes in the liability resulting from the passage of time and revisions to
either the timing or the amount of the original estimate of undiscounted cash flows. Increases in the ARO liability due to passage of
time impact net income as accretion expense, which is included in cost of goods sold. Changes in costs resulting from changes or expansion
at the facilities require adjustment to the ARO liability and are capitalized and charged as depreciation expense, in accordance with
the Company&#x2019;s depreciation policy.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_84A_eus-gaap--IncomeTaxPolicyTextBlock_zYQJugLOWcAf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_863_zxTwsH0WguNe"&gt;Income
Taxes&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Income
taxes are accounted for in accordance with ASC 740, &#x201c;Income Taxes.&#x201d; Under ASC 740, the provision for income taxes is comprised
of taxes that are currently payable and deferred taxes that relate to the temporary differences between financial reporting carrying
values and tax bases of assets and liabilities. Deferred tax assets and liabilities are measured using enacted income tax rates expected
to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. Any effect on deferred
tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;ASC
740 requires that deferred income tax assets be reduced by a valuation allowance if it is more likely than not that some portion or all
of the deferred income tax assets will not be realized. The Company regularly assesses the likelihood that the deferred tax asset will
be recovered from future taxable income. The Company considers projected future taxable income and ongoing tax planning strategies, then
records a valuation allowance to reduce the carrying value of the net deferred income taxes to an amount that is more likely than not
to be realized. (See &#x201c;Note 13 &#x2013; Income Taxes&#x201d; for a discussion of the release of valuation allowance on deferred tax
assets made by the Company in the third quarter of 2021).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;ASC
740 sets out a consistent framework for preparers to use to determine the appropriate recognition and measurement of uncertain tax positions.
ASC 740 uses a two-step approach wherein a tax benefit is recognized if a position is more-likely-than-not to be sustained. The amount
of the benefit is then measured to be the highest tax benefit which is greater than 50% likely to be realized. ASC 740 also sets out
disclosure requirements to enhance transparency of an entity&#x2019;s tax reserves. The Company recognizes accrued interest and income
tax penalties related to unrecognized tax benefits as a component of income tax expense.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company reassesses the validity of our conclusions regarding uncertain income tax positions on a quarterly basis to determine if facts
or circumstances have arisen that might cause us to change our judgment regarding the likelihood of a tax position&#x2019;s sustainability
under audit.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_847_eus-gaap--ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_zgbR2zZWy2Bj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_86C_zBUWCLFxqK0l"&gt;Foreign
Currency&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company&#x2019;s foreign subsidiaries include PF UK Limited and PF Canada and also included PF Medical. Assets and liabilities
are translated to U.S. dollars at the exchange rate in effect at the balance sheet date and revenue and expenses at the average exchange
rate for the period. Foreign currency translation adjustments for these subsidiaries are accumulated as a separate component of accumulated
other comprehensive income (loss) in stockholders&#x2019; equity. Gains and losses resulting from foreign currency transactions are recognized
in the Consolidated Statements of Operations.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;&#160;&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_846_eus-gaap--ConcentrationRiskCreditRisk_zF6hNojxV1v9" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_86B_zeK1YQ8KsLt9"&gt;Concentration
Risk&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company performed services relating to waste generated by government clients (domestic and foreign (primarily Canadian)), either indirectly
for others as a subcontractor to government entities or directly as a prime contractor, representing approximately $&lt;span id="xdx_901_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zVr5CjsV0Sh3"&gt;60,812,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;,
&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;or &lt;span id="xdx_903_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_z89lMpccT1Pg"&gt;84.2&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%,
&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;of our total revenue during 2021, as compared to
$&lt;span id="xdx_90C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zp8dLn8NNaHd"&gt;96,582,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;,
or &lt;span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zLPkLVStwqO1"&gt;91.6&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%,
of our total revenue during 2020.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Revenue
generated by the Company as a subcontractor to a customer for a remediation project performed for a government entity (the DOE) within
our Services Segment in 2021 and 2020 accounted for approximately $&lt;span id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesSegmentMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zyY8J9Oiezei"&gt;8,526,000
&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;or &lt;span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesSegmentMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zps7gZVZFlod"&gt;11.8&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%
&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;and $&lt;span id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesSegmentMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zB4Xg1hmwnW9"&gt;41,011,000
&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;or &lt;span id="xdx_901_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesSegmentMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zg4sC9OHrzc3"&gt;38.9&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%
(included in revenues generated relating to government clients above) of the Company&#x2019;s total revenue for 2021 and 2020, respectively.
This remediation project included among other things, decontamination support of a building. This project was completed in the second
quarter of 2021.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;As
our revenues are project/event based where the completion of one contract with a specific customer may be replaced by another contract
with a different customer from year to year, the Company does not believe the loss of one specific customer from one year to the next
will generally have a material adverse effect on our operations and financial condition.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Financial
instruments that potentially subject the Company to significant concentrations of credit risk consist principally of cash and accounts
receivable. The Company maintains cash with high quality financial institutions, which may exceed Federal Deposit Insurance Corporation
(&#x201c;FDIC&#x201d;) insured amounts from time to time. Concentration of credit risk with respect to accounts receivable is limited due
to the Company&#x2019;s large number of customers and their dispersion throughout the United States as well as with the significant amount
of work that we perform for government entities.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company had two government related customers whose total unbilled and net outstanding receivable balances represented &lt;span id="xdx_905_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerOneMember_zglrCbsZWlZ5"&gt;18.2&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%
&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;and &lt;span id="xdx_900_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerTwoMember_zmkRKuIlFsc1"&gt;23.5&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%
&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;of the Company&#x2019;s total consolidated unbilled
and net accounts receivable at December 31, 2021. The Company had three government related customers whose total unbilled and net outstanding
receivable balances represented &lt;span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerOneMember_z8asSgCsEFBg"&gt;41.1&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%,
&lt;span id="xdx_90D_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerTwoMember_zStgEcZD7Gia"&gt;19.0&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%
and &lt;span id="xdx_908_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerThreeMember_zvjee5VvMBTl"&gt;12.5&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%
of the Company&#x2019;s total consolidated unbilled and net accounts receivable at December 31, 2020.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_841_eus-gaap--RevenueRecognitionPolicyTextBlock_z2XixP5DCqph" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_861_zsDlsj3pxPG6"&gt;Revenue
Recognition and Related Policies&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company recognizes revenue in accordance with FASB&#x2019;s ASC 606, &#x201c;Revenue from Contracts with Customers.&#x201d; ASC 606 provides
a single, comprehensive revenue recognition model for all contracts with customers. Under ASC 606, a five-step process is utilized in
order to determine revenue recognition, depicting the transfer of goods or services to a customer at an amount that reflects the consideration
it expects to receive in exchange for those goods or services. Under ASC 606, a performance obligation is a promise in a contract to
transfer a distinct good or service to the customer and is the unit of account. A contract transaction price is allocated to each distinct
performance obligation and recognized as revenues as the performance obligation is satisfied.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;Treatment
Segment Revenues:&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Contracts
in our Treatment Segment primarily have a single performance obligation as the promise to receive, treat and dispose of waste is not
separately identifiable in the contract and, therefore, not distinct. Performance obligations are generally satisfied over time using
the input method. Under the input method, the Company uses a measure of progress divided into major phases which include receipt (ranging
from &lt;span id="xdx_90E_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--ReceiptMember__srt--RangeAxis__srt--MinimumMember_zQjzGbVE8dui"&gt;9.0&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%
to &lt;span id="xdx_909_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--ReceiptMember__srt--RangeAxis__srt--MaximumMember_zNit39EsWWg1"&gt;33&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%),
&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;treatment/processing (ranging from &lt;span id="xdx_90F_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--TreatmentOrProcessingMember__srt--RangeAxis__srt--MinimumMember_z3tTKMzhIqjj"&gt;15&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%
to &lt;span id="xdx_902_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--TreatmentOrProcessingMember__srt--RangeAxis__srt--MaximumMember_z3NvBeyc1K77"&gt;79&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%)
&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;and shipment/final disposal (ranging from &lt;span id="xdx_902_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--ShipmentOrFinalDisposalMember__srt--RangeAxis__srt--MinimumMember_zwJSRIJ27pV5"&gt;9.0&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%
&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;to &lt;span id="xdx_903_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--ShipmentOrFinalDisposalMember__srt--RangeAxis__srt--MaximumMember_zngmvGFCj4A1"&gt;52&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%).
As major processing phases are completed and the costs are incurred, the proportional percentage of revenue is recognized. Transaction
price for Treatment Segment contracts are determined by the stated fixed rate per unit price as stipulated in the contract.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;&#160;&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;Services
Segment Revenues:&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Revenues
for our Services Segment are generated from time and materials or fixed price arrangements:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company&#x2019;s primary obligation to customers in time and materials contracts relate to the provision of services to the customer at
the direction of the customer. This provision of services at the request of the customer is the performance obligation, which is satisfied
over time. Revenue earned from time and materials contracts is determined using the input method and is based on contractually defined
billing rates applied to services performed and materials delivered.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Under
fixed price contracts, the objective of the project is not attained unless all scope items within the contract are completed and all
of the services promised within fixed fee contracts constitute a single performance obligation. Transaction price is estimated based
upon the estimated cost to complete the overall project. Revenue from fixed price contracts is recognized over time primarily using the
input method. For the input method, revenue is recognized based on costs incurred on the project relative to the total estimated costs
of the project.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
majority of our contracts with our customers are short term with an original expected length of one year or less. The Company&#x2019;s
contracts and subcontracts relating to activities at governmental sites (both U.S. and Canadian) generally allow for termination for
convenience at any time at the government&#x2019;s option without payment of a substantial penalty.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;Variable
Consideration&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company&#x2019;s contracts generally do not give rise to variable consideration. However, during the third quarter of 2021, the Company
recognized approximately $&lt;span id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20210701__20210930_z8Ko2MNDgpsd" title="Revenue"&gt;1,286,000&lt;/span&gt; in revenue from a REA under one of the Company&#x2019;s Treatment Services contracts that resulted
in cumulative catch-up adjustment in the transaction price that had been constrained in prior periods.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;Significant
Payment Terms&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Invoicing
is based on schedules established in customer contracts. Payment terms vary by customers but are generally established at 30 days from
invoicing.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;Incremental
Costs to Obtain a Contract&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Costs
incurred to obtain contracts with our customers are immaterial and as a result, the Company expenses (within selling, general and administration
expenses (&#x201c;SG&amp;amp;A&#x201d;)) incremental costs incurred in obtaining contracts with our customer as incurred.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;Remaining
Performance Obligations&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company applies the practical expedient in ASC 606-10-50-14 and does not disclose information about remaining performance obligations
that have original expected durations of one year or less.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Within
our Services Segment, there are service contracts which provide that the Company has a right to consideration from a customer in an amount
that corresponds directly with the value to the customer of our performance completed to date. For those contracts, the Company has utilized
the practical expedient in ASC 606-10-55-18, which allows the Company to recognize revenue in the amount for which we have the right
to invoice; accordingly, the Company does not disclose the value of remaining performance obligations for those contracts.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company&#x2019;s contracts and subcontracts relating to activities at governmental sites generally allow for termination for convenience
at any time at the government&#x2019;s option without payment of a substantial penalty. The Company does not disclose remaining performance
obligations on these contracts.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_84C_eus-gaap--ShareBasedCompensationOptionAndIncentivePlansPolicy_z2XOCMi2zSSj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_865_zNAzUOtbJQ4g"&gt;Stock-Based
Compensation&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Stock-based
compensation granted to employees are accounted for in accordance with ASC 718, &#x201c;Compensation &#x2013; Stock Compensation.&#x201d;
Stock-based payment transactions for acquiring goods and services from nonemployees are also accounted for under ASC 718. ASC 718 requires
stock-based payments to employees and nonemployees, including grant of options, to be recognized in the Statement of Operations based
on their fair values. The Company uses the Black-Scholes option-pricing model to determine the fair-value of stock-based awards which
requires subjective assumptions. Assumptions used to estimate the fair value of stock-based awards include the exercise price of the
award, the expected term, the expected volatility of our stock over the stock-based award&#x2019;s expected term, the risk-free interest
rate over the award&#x2019;s expected term, and the expected annual dividend yield. The Company accounts for forfeitures when they occur.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_84A_eus-gaap--ComprehensiveIncomePolicyPolicyTextBlock_z87QLDUFkqpd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_86E_zznCQdlYtPCl"&gt;Comprehensive
Income (Loss)&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
components of comprehensive income (loss) are net income (loss) and the effects of foreign currency translation adjustments.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_84A_eus-gaap--EarningsPerSharePolicyTextBlock_z139BlnYUEvh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_860_zhO0cBAfs6a3"&gt;Income
(Loss) Per Share&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Basic
income (loss) per share is calculated based on the weighted-average number of outstanding common shares during the applicable period.
Diluted income (loss) per share is based on the weighted-average number of outstanding common shares plus the weighted-average number
of potential outstanding common shares. In periods where they are anti-dilutive, such amounts are excluded from the calculations of dilutive
earnings per share. Income (loss) per share is computed separately for each period presented.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_843_eus-gaap--FairValueMeasurementPolicyPolicyTextBlock_zURtsU9GkArk" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_86B_zFhbBrHWDiCc"&gt;Fair
Value of Financial Instruments&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Certain
assets and liabilities are required to be recorded at fair value on a recurring basis, while other assets and liabilities are recorded
at fair value on a nonrecurring basis. Fair value is determined based on the exchange price that would be received for an asset or paid
to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction
between market participants. The three-tier value hierarchy, which prioritizes the inputs used in the valuation methodologies, is:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Level
1&lt;/b&gt;&lt;i&gt;&#x2014;&lt;/i&gt;Valuations based on quoted prices for identical assets and liabilities in active markets.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Level
2&lt;/b&gt;&lt;i&gt;&#x2014;&lt;/i&gt;Valuations based on observable inputs other than quoted prices included in Level 1, such as quoted prices for similar
assets and liabilities in active markets, quoted prices for identical or similar assets and liabilities in markets that are not active,
or other inputs that are observable or can be corroborated by observable market data.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Level
3&lt;/b&gt;&lt;i&gt;&#x2014;&lt;/i&gt;Valuations based on unobservable inputs reflecting the Company&#x2019;s own assumptions, consistent with reasonably
available assumptions made by other market participants.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Financial
instruments include cash (Level 1), accounts receivable, accounts payable, and debt obligations (Level 3). &lt;span style="background-color: white"&gt;Credit
is extended to customers based on an evaluation of a customer&#x2019;s financial condition and, generally, collateral is not required.
&lt;/span&gt;At December 31, 2021 and December 31, 2020, the fair value of the Company&#x2019;s financial instruments approximated their carrying
values. The fair value of the Company&#x2019;s revolving credit and term loan approximate its carrying value due to the variable interest
rate.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_842_eus-gaap--NewAccountingPronouncementsPolicyPolicyTextBlock_zNpGcH4N7Ix" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_865_zkuhuOZ0IhCb"&gt;Recently
Adopted Accounting Standards&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;In
December 2019, the FASB issued ASU No. 2019-12, &#x201c;Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes,&#x201d;
which is intended to simplify various aspects related to accounting for income taxes. ASU 2019-12 removes certain exceptions to the general
principles in Topic 740 and also clarifies and amends existing guidance to improve consistent application. This guidance is effective
for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2020, with early adoption permitted. The
adoption of ASU No. 2019-12 by the Company effective January 1, 2021 did not have a material impact on the Company&#x2019;s financial
statements.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; background-color: white"&gt;In
January 2020, the FASB issued ASU 2020-01, &#x201c;Investments - Equity Securities (Topic 321), Investments - Equity Method and Joint
Ventures (Topic 323), and Derivatives and Hedging (Topic 815), clarifying the Interactions between Topic 321, Topic 323, and Topic 815.&#x201d;
&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;This guidance addresses accounting for the transition
into and out of the equity method and provides clarification of the interaction of rules for equity securities, the equity method of
accounting, and forward contracts and purchase options on certain types of securities. This standard is effective for fiscal years and
interim periods within those fiscal years beginning after December 15, 2020. Early adoption is permitted. The adoption of ASU No. 2020-01
by the Company effective January 1, 2021 did not have a material impact on the Company&#x2019;s financial statements.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;In
October 2020, the FASB issued ASU No 2020-10, &#x201c;Codification Improvements.&#x201d; ASU 2020-10 updates various codification topics
by clarifying or improving disclosure requirements. ASU 2020-10 is effective for public entities for fiscal years beginning after December
15, 2020, with early adoption permitted. The adoption of ASU No. 2020-01 by the Company effective January 1, 2021 did not have a material
impact on the Company&#x2019;s financial statements or disclosures.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_843_ecustom--NewAccountingPronouncementsNotYetAdoptedPolicyPolicyTextBlock_z4MpRCjRR3Fa" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_863_zWYZdktpazde"&gt;Recently
Issued Accounting Standards &#x2013; Not Yet Adopted&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;In
June 2016, the FASB issued ASU No. 2016-13, &#x201c;Credit Losses (Topic 326) - Measurement of Credit Losses on Financial Instruments,&#x201d;
and various subsequent amendments to the initial guidance (collectively, &#x201c;Topic 326&#x201d;). Topic 326 introduces an approach,
based on expected losses, to estimate credit losses on certain types of financial instruments and modifies the impairment model for available-for-sale
debt securities. The new approach to estimating credit losses (referred to as the current expected credit losses model) applies to most
financial assets measured at amortized cost and certain other instruments, including trade and other receivables and loans. Entities
are required to apply the standard&#x2019;s provisions as a cumulative-effect adjustment to retained earnings as of the beginning of the
first reporting period in which the guidance is adopted. In November 2019, FASB issued ASU 2019-10, &#x201c;Financial Instruments &#x2013;
Credit Losses (Topic 326), Derivatives and Hedging (Topic 815), and Leases (Topic 842),&#x201d; which defers the effective date of ASU
2016-13 for public companies that are considered smaller reporting companies (&#x201c;SRC&#x201d;) as defined by the Commission to fiscal
years beginning after December 15, 2022, including interim periods within those fiscal years. These ASUs are effective January 1, 2023
for the Company as an SRC. Under new guidance issued by the Commission in March 2020, the Company continues to qualify as a smaller reporting
company but has become an accelerated filer for all filings with the Commission starting with this Form 10-K filing and all subsequent
filings. The Company is currently evaluating the impact of these ASU on its consolidated financial statements.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;In
August 2020, the FASB issued ASU No. 2020-06, &#x201c;Debt &#x2013; Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives
and Hedging &#x2013; Contracts in Entity&#x2019;s Own Equity.&#x201d; ASU 2020-06 simplifies the accounting for convertible instruments
by removing major separation models and removing certain settlement condition qualifiers for the derivatives scope exception for contracts
in an entity&#x2019;s own equity, and simplifies the related diluted net income per share calculation for both Subtopics. ASU 2020-06
is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2023, for the Company as an
SRC. Early adoption is permitted, but no earlier than fiscal years beginning after December 15, 2020, including interim periods within
those fiscal years. The Company is currently evaluating the impact of this ASU on its consolidated financial statements and disclosures.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;In
May 2021, the FASB issued ASU No. 2021-04, &#x201c;Earnings Per Share (Topic 206), Debt-Modifications and Extinguishments (Subtopic 470-50),
Compensation-Stock Compensation (Topic 718), and Derivatives and Hedging-Contracts in Entity&#x2019;s Own Equity (Subtopic 815-40): Issuer&#x2019;s
Accounting for Certain Modifications or Exchanges of Freestanding Equity-Classified Written Call Options (a consensus of the FASB Emerging
Issues Task Force).&#x201d; ASU 2021-04 addresses issuer&#x2019;s accounting for certain modifications or exchanges of freestanding equity-classified
written call options. This ASU is effective for all entities, for fiscal years beginning after December 15, 2021, including interim periods
within those fiscal years. Early adoption is permitted. This ASU is effective January 1, 2022 for the Company. The Company does not expect
the adoption of this ASU will have a material impact on its financial statements.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

</us-gaap:SignificantAccountingPoliciesTextBlock>
    <us-gaap:ConsolidationPolicyTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_842_eus-gaap--ConsolidationPolicyTextBlock_zGFRvVTICWz3" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_86A_z3HznYA4tfae"&gt;Principles
of Consolidation&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company&#x2019;s consolidated financial statements include our accounts, those of our wholly-owned subsidiaries, our majority-owned Polish
subsidiary (see &#x201c;Note 15 &#x2013; PF Medical&#x201d; for a discussion on the sale of PFM Poland in December 2021), and Perma-Fix
ERRG, a VIE for which we are the primary beneficiary as discussed above, after elimination of all significant intercompany accounts and
transactions.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

</us-gaap:ConsolidationPolicyTextBlock>
    <us-gaap:UseOfEstimates contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_84C_eus-gaap--UseOfEstimates_zU7Dg9Gv3D3c" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_86B_zjrOzG4O05Zf"&gt;Use
of Estimates&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company prepares financial statements in conformity with accounting standards generally accepted in the United States (&#x201c;U.S.
GAAP&#x201d;), which may require estimates of future cash flows and assumptions that affect the reported amounts of assets and liabilities
and disclosures of contingent assets and liabilities at the date of the financial statements, as well as, the reported amounts of revenues
and expenses during the reporting period. Due to the inherent uncertainty involved in making estimates, actual results could differ from
those estimates.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:UseOfEstimates>
    <us-gaap:CashAndCashEquivalentsPolicyTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_843_eus-gaap--CashAndCashEquivalentsPolicyTextBlock_zgy44TNKXiMk" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_86D_zH6r9bToncM7"&gt;Cash
and Finite Risk Sinking Fund (Restricted Cash)&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;At
December 31, 2021, the Company had cash on hand of approximately $&lt;span id="xdx_902_eus-gaap--Cash_iI_pp0d_c20211231_zUp4JFrCEtNf" title="Cash on hand"&gt;4,444,000&lt;/span&gt;, which included account balances of our foreign subsidiaries
totaling approximately $&lt;span id="xdx_909_eus-gaap--Cash_iI_pp0d_c20211231__srt--ConsolidatedEntitiesAxis__custom--ForeignSubsidiariesMember_zwGsrQDOJQ12" title="Cash on hand"&gt;26,000&lt;/span&gt;. At December 31, 2020, the Company had cash on hand of approximately $&lt;span&gt;&lt;span id="xdx_90D_eus-gaap--Cash_iI_pp0p0_c20201231_zg5J8pg9uSx7" title="Cash on hand"&gt;7,924,000&lt;/span&gt;&lt;/span&gt;, which included account
balances of our foreign subsidiaries totaling approximately $&lt;span id="xdx_905_eus-gaap--Cash_iI_pp0p0_c20201231__srt--ConsolidatedEntitiesAxis__custom--ForeignSubsidiariesMember_z5rzkn2Kr7Pg" title="Cash on hand"&gt;377,000&lt;/span&gt;. At December 31, 2021 and 2020, the Company had finite risk sinking
funds of approximately $&lt;span id="xdx_906_eus-gaap--RestrictedCashNoncurrent_iI_c20211231_zKmvDKKBmHU6" title="Finite risk sinking fund"&gt;11,471,000&lt;/span&gt; and $&lt;span id="xdx_90D_eus-gaap--RestrictedCashNoncurrent_iI_pp0p0_c20201231_zhDJiSHwusab" title="Finite risk sinking fund"&gt;11,446,000&lt;/span&gt;, respectively, which represented cash held as collateral under the Company&#x2019;s
financial assurance policy (see &#x201c;Note 15 &#x2013; Commitment and Contingencies &#x2013; Insurance&#x201d; for a discussion of this
fund).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:CashAndCashEquivalentsPolicyTextBlock>
    <us-gaap:Cash contextRef="AsOf2021-12-31" decimals="0" unitRef="USD">4444000</us-gaap:Cash>
    <us-gaap:Cash
      contextRef="AsOf2021-12-31_custom_ForeignSubsidiariesMember"
      decimals="0"
      unitRef="USD">26000</us-gaap:Cash>
    <us-gaap:Cash contextRef="AsOf2020-12-31" decimals="0" unitRef="USD">7924000</us-gaap:Cash>
    <us-gaap:Cash
      contextRef="AsOf2020-12-31_custom_ForeignSubsidiariesMember"
      decimals="0"
      unitRef="USD">377000</us-gaap:Cash>
    <us-gaap:RestrictedCashNoncurrent contextRef="AsOf2021-12-31" decimals="0" unitRef="USD">11471000</us-gaap:RestrictedCashNoncurrent>
    <us-gaap:RestrictedCashNoncurrent contextRef="AsOf2020-12-31" decimals="0" unitRef="USD">11446000</us-gaap:RestrictedCashNoncurrent>
    <us-gaap:TradeAndOtherAccountsReceivablePolicy contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_841_eus-gaap--TradeAndOtherAccountsReceivablePolicy_zdyToPK9JXI6" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_867_zXRqhrFr8bpj"&gt;Accounts
Receivable&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Accounts
receivable are customer obligations due under normal trade terms requiring payment within 30 or 60 days from the invoice date based on
the customer type (government, broker, or commercial). The carrying amount of accounts receivable is reduced by an allowance for doubtful
accounts, which is a valuation allowance that reflects management&#x2019;s best estimate of the amounts that will not be collected. The
Company regularly reviews all accounts receivable balances that exceed 60 days from the invoice date and based on an assessment of current
credit worthiness, estimates the portion, if any, of the balance that will not be collected. This analysis excludes government related
receivables due to our past successful experience in their collectability. Specific accounts that are deemed to be uncollectible are
reserved at 100% of their outstanding balance. The remaining balances aged over 60 days have a percentage applied by aging category,
based on historical experience that allows us to calculate the total allowance required. Once the Company has exhausted all options in
the collection of a delinquent accounts receivable balance, which includes collection letters, demands for payment, collection agencies
and attorneys, the account is deemed uncollectible and subsequently written off. The write off process involves approvals from senior
management based on required approval thresholds.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_89F_eus-gaap--ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock_z4sw87g0uqFi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
following table sets forth the activity in the allowance for doubtful accounts for the years ended December 31, 2021 and 2020 (in thousands):&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8B1_zdmDforkxnn" style="display: none"&gt;SCHEDULE OF CREDIT LOSSES FOR FINANCING RECEIVABLES, CURRENT&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 80%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Year
    Ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Allowance for doubtful accounts
    - beginning of year&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iS_pn3n3_c20210101__20211231_z2thEoh3Mzp9" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Allowance for doubtful accounts - beginning of year"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;404&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iS_pn3n3_c20200101__20201231_zRPwk5XbXdU" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Allowance for doubtful accounts - beginning of year"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;487&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Provision for (recovery of) bad debt reserve&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesProvision_pn3n3_c20210101__20211231_zJyNnKlPRBE4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Provision for (recovery of) bad debt reserve"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;41&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesProvision_pn3n3_c20200101__20201231_ztv2F2jlaDt3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Provision for (recovery of) bad debt reserve"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(101&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(Write-off) recovery of
    write-off&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff_pn3n3_c20210101__20211231_zuMyec4YCrvf" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="(Write-off) recovery of write-off"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(360&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff_pn3n3_c20200101__20201231_zJJk0KGtQ3tb" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="(Write-off) recovery of write-off"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;18&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Allowance for doubtful
    accounts - end of year&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iE_pn3n3_c20210101__20211231_zc0iClrFaLTa" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Allowance for doubtful accounts - end of year"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;85&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iE_pn3n3_c20200101__20201231_z4BG1uoVYgTc" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Allowance for doubtful accounts - end of year"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;404&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8AF_z5HgxIomnts8" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:TradeAndOtherAccountsReceivablePolicy>
    <us-gaap:ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_89F_eus-gaap--ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock_z4sw87g0uqFi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
following table sets forth the activity in the allowance for doubtful accounts for the years ended December 31, 2021 and 2020 (in thousands):&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8B1_zdmDforkxnn" style="display: none"&gt;SCHEDULE OF CREDIT LOSSES FOR FINANCING RECEIVABLES, CURRENT&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 80%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Year
    Ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Allowance for doubtful accounts
    - beginning of year&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iS_pn3n3_c20210101__20211231_z2thEoh3Mzp9" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Allowance for doubtful accounts - beginning of year"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;404&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iS_pn3n3_c20200101__20201231_zRPwk5XbXdU" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Allowance for doubtful accounts - beginning of year"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;487&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Provision for (recovery of) bad debt reserve&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesProvision_pn3n3_c20210101__20211231_zJyNnKlPRBE4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Provision for (recovery of) bad debt reserve"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;41&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesProvision_pn3n3_c20200101__20201231_ztv2F2jlaDt3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Provision for (recovery of) bad debt reserve"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(101&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(Write-off) recovery of
    write-off&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff_pn3n3_c20210101__20211231_zuMyec4YCrvf" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="(Write-off) recovery of write-off"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(360&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_ecustom--AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff_pn3n3_c20200101__20201231_zJJk0KGtQ3tb" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="(Write-off) recovery of write-off"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;18&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Allowance for doubtful
    accounts - end of year&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iE_pn3n3_c20210101__20211231_zc0iClrFaLTa" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Allowance for doubtful accounts - end of year"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;85&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--AllowanceForDoubtfulAccountsReceivableCurrent_iE_pn3n3_c20200101__20201231_z4BG1uoVYgTc" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Allowance for doubtful accounts - end of year"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;404&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</us-gaap:ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">404000</us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent contextRef="AsOf2019-12-31" decimals="-3" unitRef="USD">487000</us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent>
    <PESI:AllowanceForDoubtfulAccountsReceivableRecoveriesProvision
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">41000</PESI:AllowanceForDoubtfulAccountsReceivableRecoveriesProvision>
    <PESI:AllowanceForDoubtfulAccountsReceivableRecoveriesProvision
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">-101000</PESI:AllowanceForDoubtfulAccountsReceivableRecoveriesProvision>
    <PESI:AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">-360000</PESI:AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff>
    <PESI:AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">18000</PESI:AllowanceForDoubtfulAccountsReceivableRecoveriesWriteOffsOrWriteOff>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">85000</us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">404000</us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent>
    <us-gaap:TradeAndOtherAccountsReceivableUnbilledReceivablesPolicy contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_848_eus-gaap--TradeAndOtherAccountsReceivableUnbilledReceivablesPolicy_zaxQKDblktMb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_86B_zKUTA4Hjdb3f"&gt;Unbilled
Receivables&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Unbilled
receivables are generated by differences between invoicing timing and our over time revenue recognition methodology used for revenue
recognition purposes. As major processing and contract completion phases are completed and the costs are incurred, the Company recognizes
the corresponding percentage of revenue. Within our Treatment Segment, the facilities experience delays in processing invoices due to
the complexity of the documentation that is required for invoicing, as well as the difference between completion of revenue recognition
milestones and agreed upon invoicing terms, which results in unbilled receivables. The timing differences occur for several reasons which
include: partially from delays in the final processing of all wastes associated with certain work orders and partially from delays for
analytical testing that is required after the facilities have processed waste but prior to our release of waste for disposal. The tasks
relating to these delays can take months to complete but are generally completed within twelve months.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Unbilled
receivables within our Services Segment can result from work performed under contracts but invoice milestones have not yet been met and/or
contract claims and pending change orders, including REA when work has been performed and collection of revenue is reasonably assured.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

</us-gaap:TradeAndOtherAccountsReceivableUnbilledReceivablesPolicy>
    <us-gaap:InventoryPolicyTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_848_eus-gaap--InventoryPolicyTextBlock_zWdmkqso8Mxf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_869_zyGMoeorfYJ6"&gt;Inventories&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Inventories
consist of treatment chemicals, saleable used oils, and certain supplies. Additionally, the Company has replacement parts in inventory,
which are deemed critical to the operating equipment and may also have extended lead times should the part fail and need to be replaced.
Inventories are valued at the lower of cost or net realizable value with cost determined by the first-in, first-out method.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:InventoryPolicyTextBlock>
    <us-gaap:CostOfSalesPolicyTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_84D_eus-gaap--CostOfSalesPolicyTextBlock_ze7egpn2wqTg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_86A_zNF4ri5sjEI8"&gt;Disposal
and Transportation Costs&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company accrues for waste disposal based upon a physical count of the waste at each facility at the end of each accounting period. Current
market prices for transportation and disposal costs are applied to the end of period waste inventories to calculate for the transportation
and disposal accruals.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:CostOfSalesPolicyTextBlock>
    <us-gaap:PropertyPlantAndEquipmentPolicyTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_841_eus-gaap--PropertyPlantAndEquipmentPolicyTextBlock_zSCrUWPvFnz6" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_869_zf2VpvQOSPy5"&gt;Property
and Equipment&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Property
and equipment expenditures are capitalized and depreciated using the straight-line method over the estimated useful lives of the assets
for financial statement purposes, while accelerated depreciation methods are principally used for income tax purposes. Generally, asset
lives range from &lt;span id="xdx_90C_eus-gaap--PropertyPlantAndEquipmentUsefulLife_dtYxL_c20210101__20211231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--BuildingMember__srt--RangeAxis__srt--MinimumMember_zRFVymWivwj" title="Property, plant and equipment, useful life::XDX::10"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0765"&gt;ten&lt;/span&gt;&lt;/span&gt; to &lt;span id="xdx_904_eus-gaap--PropertyPlantAndEquipmentUsefulLife_dc_c20210101__20211231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--BuildingMember__srt--RangeAxis__srt--MaximumMember_zQCk22aJrcq4"&gt;forty years&lt;/span&gt; for buildings (including improvements and asset retirement costs) and &lt;span id="xdx_904_eus-gaap--PropertyPlantAndEquipmentUsefulLife_dtYxL_c20210101__20211231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--OfficeFurnitureAndEquipmentMember__srt--RangeAxis__srt--MinimumMember_zydfL9JiDPFd" title="::XDX::3"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0767"&gt;three&lt;/span&gt;&lt;/span&gt; to &lt;span id="xdx_90A_eus-gaap--PropertyPlantAndEquipmentUsefulLife_dc_c20210101__20211231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--OfficeFurnitureAndEquipmentMember__srt--RangeAxis__srt--MaximumMember_zKPjPtNramEk"&gt;seven years&lt;/span&gt; for office
furniture and equipment, vehicles, and decontamination and processing equipment. Leasehold improvements are capitalized and amortized
over the lesser of the term of the lease or the life of the asset. Maintenance and repairs are charged directly to expense as incurred.
The cost and accumulated depreciation of assets sold or retired are removed from the respective accounts, and any gain or loss from sale
or retirement is recognized in the accompanying Consolidated Statements of Operations. Renewals and improvements, which extend the useful
lives of the assets, are capitalized.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Certain
property and equipment expenditures are financed through leases. Amortization of financed leased assets is computed using the straight-line
method over the estimated useful lives of the assets. At December 31, 2021, assets recorded under finance leases were $&lt;span id="xdx_90A_eus-gaap--FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_iI_pp0p0_c20211231_zGlJrZHAZ7j4" title="Finance leases assets recorded"&gt;2,409,000&lt;/span&gt; less
accumulated depreciation of $&lt;span id="xdx_90B_eus-gaap--FinanceLeaseRightOfUseAssetAccumulatedAmortization_iI_pp0p0_c20211231_ztcQaxiTS5pl" title="Finance leases accumulated depreciation"&gt;475,000&lt;/span&gt;, resulting in net fixed assets under finance leases of $&lt;span id="xdx_90C_ecustom--FixedAssetsOfFinanceLease_iI_pp0p0_c20211231_zCUDBTdQi19d" title="Finance leases net fixed asset"&gt;1,934,000&lt;/span&gt;. At December 31, 2020, assets
recorded under finance leases were $&lt;span id="xdx_904_eus-gaap--FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_iI_pp0p0_c20201231_zOwPpOkJAQ22" title="Finance leases assets recorded"&gt;2,285,000&lt;/span&gt; less accumulated depreciation of $&lt;span id="xdx_90F_eus-gaap--FinanceLeaseRightOfUseAssetAccumulatedAmortization_iI_pp0p0_c20201231_zVutUEBKPoSd" title="Finance leases accumulated depreciation"&gt;291,000&lt;/span&gt;, resulting in net fixed assets under finance
leases of $&lt;span id="xdx_90C_ecustom--FixedAssetsOfFinanceLease_iI_pp0p0_c20201231_zp6EbtE93qW6" title="Finance leases net fixed asset"&gt;1,994,000&lt;/span&gt;. These assets are recorded within net property and equipment on the Consolidated Balance Sheets.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Long-lived
assets, such as property, plant and equipment, are reviewed for impairment whenever events or changes in circumstances indicate that
the carrying amount of an asset may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the
carrying amount of an asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount
of an asset exceeds its estimated future cash flows, an impairment charge is recognized in the amount by which the carrying amount of
the asset exceeds the fair value of the asset. Assets to be disposed of are separately presented in the balance sheet and reported at
the lower of the carrying amount or fair value less costs to sell, and are no longer depreciated.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Our
depreciation expense totaled approximately $&lt;span id="xdx_905_eus-gaap--Depreciation_pp0p0_c20210101__20211231_zaqvdAjuFyv3" title="Depreciation expense"&gt;1,476,000&lt;/span&gt; and $&lt;span id="xdx_904_eus-gaap--Depreciation_pp0p0_c20200101__20201231_zlxjC2qzlDs1" title="Depreciation"&gt;1,357,000&lt;/span&gt; in 2021 and 2020, respectively.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:PropertyPlantAndEquipmentPolicyTextBlock>
    <us-gaap:PropertyPlantAndEquipmentUsefulLife contextRef="From2021-01-012021-12-31_us-gaap_BuildingMember_srt_MaximumMember">P40Y</us-gaap:PropertyPlantAndEquipmentUsefulLife>
    <us-gaap:PropertyPlantAndEquipmentUsefulLife contextRef="From2021-01-012021-12-31_custom_OfficeFurnitureAndEquipmentMember_srt_MaximumMember">P7Y</us-gaap:PropertyPlantAndEquipmentUsefulLife>
    <us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization contextRef="AsOf2021-12-31" decimals="0" unitRef="USD">2409000</us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization>
    <us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization contextRef="AsOf2021-12-31" decimals="0" unitRef="USD">475000</us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization>
    <PESI:FixedAssetsOfFinanceLease contextRef="AsOf2021-12-31" decimals="0" unitRef="USD">1934000</PESI:FixedAssetsOfFinanceLease>
    <us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization contextRef="AsOf2020-12-31" decimals="0" unitRef="USD">2285000</us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization>
    <us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization contextRef="AsOf2020-12-31" decimals="0" unitRef="USD">291000</us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization>
    <PESI:FixedAssetsOfFinanceLease contextRef="AsOf2020-12-31" decimals="0" unitRef="USD">1994000</PESI:FixedAssetsOfFinanceLease>
    <us-gaap:Depreciation
      contextRef="From2021-01-01to2021-12-31"
      decimals="0"
      unitRef="USD">1476000</us-gaap:Depreciation>
    <us-gaap:Depreciation
      contextRef="From2020-01-012020-12-31"
      decimals="0"
      unitRef="USD">1357000</us-gaap:Depreciation>
    <us-gaap:LesseeLeasesPolicyTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_842_eus-gaap--LesseeLeasesPolicyTextBlock_zcdVbRJ3NTkb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_86F_zlUdbXGrMvhg"&gt;Leases&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company accounts for leases in accordance with FASB&#x2019;s ASU 2016-02, &#x201c;Leases (Topic 842).&#x201d; At the inception of an arrangement,
the Company determines if an arrangement is, or contains, a lease based on facts and circumstances present in that arrangement. Lease
classifications, recognition, and measurement are then determined at the lease commencement date.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company&#x2019;s operating lease right-of-use (&#x201c;ROU&#x201d;) assets and operating lease liabilities represent primarily leases for
office and warehouse spaces used to conduct our business. These leases have remaining terms of approximately two to eight years which
include additional options to renew. The Company includes renewal options in valuing its ROU assets and liabilities when it determines
that it is reasonably certain to exercise these renewal options. As most of our operating leases do not provide an implicit rate, the
Company uses its incremental borrowing rate as the discount rate when determining the present value of the lease payments. The incremental
borrowing rate is determined based on the Company&#x2019;s secured borrowing rate, lease terms and current economic environment. Some
of our operating leases include both lease (rent payments) and non-lease components (maintenance costs such as cleaning and landscaping
services). The Company has elected the practical expedient to account for lease component and non-lease component as a single component
for all leases under ASU 2016-02. Lease expense for operating leases is recognized on a straight-line basis over the lease term.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Finance
leases primarily consist of processing and transport equipment used by our facilities&#x2019; operations. The Company&#x2019;s finance
leases also included a building with land utilized for our waste treatment operations which included a purchase option. During the third
quarter of 2021, the Company concluded that it was more likely than not that it would not exercise this purchase option but will continue
to lease the property. Accordingly, a reassessment of this lease was performed which resulted in reclassification of this lease to an
operating lease. The Company&#x2019;s finance leases have remaining terms of approximately one to four years and some of the leases include
options to purchase the underlying assets at fair market value at the conclusion of the lease term. See &#x201c;Property and Equipment&#x201d;
above for assets recorded under financed leases. Borrowing rates for our finance leases are either explicitly stated in the lease agreements
or implicitly determined from available terms in the lease agreements.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company adopted the policy to not recognize ROU assets and liabilities for short term leases.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:LesseeLeasesPolicyTextBlock>
    <us-gaap:GoodwillAndIntangibleAssetsPolicyTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_84E_eus-gaap--GoodwillAndIntangibleAssetsPolicyTextBlock_zMHJAcx1vUh8" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_868_zQ8LslH3BMt6"&gt;Intangible
Assets&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Intangible
assets consist primarily of the recognized value of the permits required to operate our business. Indefinite-lived intangible assets
are not amortized but are reviewed for impairment annually as of October 1, or when events or changes in the business environment indicate
that the carrying value may be impaired. If the fair value of the asset is less than the carrying amount, a quantitative test is performed
to determine the fair value. The impairment loss, if any, is measured as the excess of the carrying value of the asset over its fair
value. Judgments and estimates are inherent in these analyses and include assumptions for, among other factors, forecasted revenue, gross
margin, growth rate, operating income, timing of expected future cash flows, and the determination of appropriate long-term discount
rates. Impairment testing of our indefinite-lived permits related to our Treatment reporting unit as of October 1, 2021 and 2020 resulted
in no impairment charges.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Intangible
assets that have definite useful lives are amortized using the straight-line method over the estimated useful lives (with the exception
of customer relationships which are amortized using an accelerated method) and are excluded from our annual intangible asset valuation
review as of October 1. Definite-lived intangible assets are also tested for impairment whenever events or changes in circumstances suggest
impairment might exist.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:GoodwillAndIntangibleAssetsPolicyTextBlock>
    <us-gaap:ResearchAndDevelopmentExpensePolicy contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_84B_eus-gaap--ResearchAndDevelopmentExpensePolicy_zXHCLr8Iyoia" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_86A_zcMGIrM1cauh"&gt;R&amp;amp;D&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Operational
innovation and technical know-how are very important to the success of our business. Our goal is to discover, develop, and bring to market
innovative ways to process waste that address unmet environmental needs and to develop new company service offerings. The Company conducts
research internally and also through collaborations with other third parties. R&amp;amp;D costs consist primarily of employee salaries and
benefits, laboratory costs, third party fees, and other related costs associated with the development and enhancement of new potential
waste treatment processes and new technology and are charged to expense when incurred in accordance with ASC Topic 730, &#x201c;Research
and Development.&#x201d;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

</us-gaap:ResearchAndDevelopmentExpensePolicy>
    <us-gaap:AssetRetirementObligationsPolicy contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_845_eus-gaap--AssetRetirementObligationsPolicy_zZQaogrcIlZi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_868_zgOMvZiQ94f7"&gt;Accrued
Closure Costs and ARO&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Accrued
closure costs represent our estimated environmental liability to clean up our facilities, as required by our permits, in the event of
closure. ASC 410, &#x201c;Asset Retirement and Environmental Obligations&#x201d; requires that the discounted fair value of a liability
for an ARO be recognized in the period in which it is incurred with the associated ARO capitalized as part of the carrying cost of the
asset. The recognition of an ARO requires that management make numerous estimates, assumptions and judgments regarding such factors as
estimated probabilities, timing of settlements, material and service costs, current technology, laws and regulations, and credit adjusted
risk-free rate to be used. This estimate is inflated, using an inflation rate, to the expected time at which the closure will occur,
and then discounted back, using a credit adjusted risk free rate, to the present value. ARO&#x2019;s are included within buildings as
part of property and equipment and are depreciated over the estimated useful life of the property. In periods subsequent to initial measurement
of the ARO, the Company must recognize period-to-period changes in the liability resulting from the passage of time and revisions to
either the timing or the amount of the original estimate of undiscounted cash flows. Increases in the ARO liability due to passage of
time impact net income as accretion expense, which is included in cost of goods sold. Changes in costs resulting from changes or expansion
at the facilities require adjustment to the ARO liability and are capitalized and charged as depreciation expense, in accordance with
the Company&#x2019;s depreciation policy.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:AssetRetirementObligationsPolicy>
    <us-gaap:IncomeTaxPolicyTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_84A_eus-gaap--IncomeTaxPolicyTextBlock_zYQJugLOWcAf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_863_zxTwsH0WguNe"&gt;Income
Taxes&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Income
taxes are accounted for in accordance with ASC 740, &#x201c;Income Taxes.&#x201d; Under ASC 740, the provision for income taxes is comprised
of taxes that are currently payable and deferred taxes that relate to the temporary differences between financial reporting carrying
values and tax bases of assets and liabilities. Deferred tax assets and liabilities are measured using enacted income tax rates expected
to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. Any effect on deferred
tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;ASC
740 requires that deferred income tax assets be reduced by a valuation allowance if it is more likely than not that some portion or all
of the deferred income tax assets will not be realized. The Company regularly assesses the likelihood that the deferred tax asset will
be recovered from future taxable income. The Company considers projected future taxable income and ongoing tax planning strategies, then
records a valuation allowance to reduce the carrying value of the net deferred income taxes to an amount that is more likely than not
to be realized. (See &#x201c;Note 13 &#x2013; Income Taxes&#x201d; for a discussion of the release of valuation allowance on deferred tax
assets made by the Company in the third quarter of 2021).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;ASC
740 sets out a consistent framework for preparers to use to determine the appropriate recognition and measurement of uncertain tax positions.
ASC 740 uses a two-step approach wherein a tax benefit is recognized if a position is more-likely-than-not to be sustained. The amount
of the benefit is then measured to be the highest tax benefit which is greater than 50% likely to be realized. ASC 740 also sets out
disclosure requirements to enhance transparency of an entity&#x2019;s tax reserves. The Company recognizes accrued interest and income
tax penalties related to unrecognized tax benefits as a component of income tax expense.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company reassesses the validity of our conclusions regarding uncertain income tax positions on a quarterly basis to determine if facts
or circumstances have arisen that might cause us to change our judgment regarding the likelihood of a tax position&#x2019;s sustainability
under audit.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:IncomeTaxPolicyTextBlock>
    <us-gaap:ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_847_eus-gaap--ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_zgbR2zZWy2Bj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_86C_zBUWCLFxqK0l"&gt;Foreign
Currency&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company&#x2019;s foreign subsidiaries include PF UK Limited and PF Canada and also included PF Medical. Assets and liabilities
are translated to U.S. dollars at the exchange rate in effect at the balance sheet date and revenue and expenses at the average exchange
rate for the period. Foreign currency translation adjustments for these subsidiaries are accumulated as a separate component of accumulated
other comprehensive income (loss) in stockholders&#x2019; equity. Gains and losses resulting from foreign currency transactions are recognized
in the Consolidated Statements of Operations.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;&#160;&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

</us-gaap:ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock>
    <us-gaap:ConcentrationRiskCreditRisk contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_846_eus-gaap--ConcentrationRiskCreditRisk_zF6hNojxV1v9" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_86B_zeK1YQ8KsLt9"&gt;Concentration
Risk&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company performed services relating to waste generated by government clients (domestic and foreign (primarily Canadian)), either indirectly
for others as a subcontractor to government entities or directly as a prime contractor, representing approximately $&lt;span id="xdx_901_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zVr5CjsV0Sh3"&gt;60,812,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;,
&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;or &lt;span id="xdx_903_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_z89lMpccT1Pg"&gt;84.2&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%,
&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;of our total revenue during 2021, as compared to
$&lt;span id="xdx_90C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zp8dLn8NNaHd"&gt;96,582,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;,
or &lt;span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zLPkLVStwqO1"&gt;91.6&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%,
of our total revenue during 2020.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Revenue
generated by the Company as a subcontractor to a customer for a remediation project performed for a government entity (the DOE) within
our Services Segment in 2021 and 2020 accounted for approximately $&lt;span id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesSegmentMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zyY8J9Oiezei"&gt;8,526,000
&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;or &lt;span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesSegmentMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zps7gZVZFlod"&gt;11.8&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%
&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;and $&lt;span id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesSegmentMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zB4Xg1hmwnW9"&gt;41,011,000
&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;or &lt;span id="xdx_901_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesSegmentMember__srt--MajorCustomersAxis__custom--GovernmentClientsMember_zg4sC9OHrzc3"&gt;38.9&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%
(included in revenues generated relating to government clients above) of the Company&#x2019;s total revenue for 2021 and 2020, respectively.
This remediation project included among other things, decontamination support of a building. This project was completed in the second
quarter of 2021.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;As
our revenues are project/event based where the completion of one contract with a specific customer may be replaced by another contract
with a different customer from year to year, the Company does not believe the loss of one specific customer from one year to the next
will generally have a material adverse effect on our operations and financial condition.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Financial
instruments that potentially subject the Company to significant concentrations of credit risk consist principally of cash and accounts
receivable. The Company maintains cash with high quality financial institutions, which may exceed Federal Deposit Insurance Corporation
(&#x201c;FDIC&#x201d;) insured amounts from time to time. Concentration of credit risk with respect to accounts receivable is limited due
to the Company&#x2019;s large number of customers and their dispersion throughout the United States as well as with the significant amount
of work that we perform for government entities.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company had two government related customers whose total unbilled and net outstanding receivable balances represented &lt;span id="xdx_905_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerOneMember_zglrCbsZWlZ5"&gt;18.2&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%
&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;and &lt;span id="xdx_900_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerTwoMember_zmkRKuIlFsc1"&gt;23.5&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%
&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;of the Company&#x2019;s total consolidated unbilled
and net accounts receivable at December 31, 2021. The Company had three government related customers whose total unbilled and net outstanding
receivable balances represented &lt;span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerOneMember_z8asSgCsEFBg"&gt;41.1&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%,
&lt;span id="xdx_90D_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerTwoMember_zStgEcZD7Gia"&gt;19.0&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%
and &lt;span id="xdx_908_eus-gaap--ConcentrationRiskPercentage1_pid_dp_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--CustomerThreeMember_zvjee5VvMBTl"&gt;12.5&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%
of the Company&#x2019;s total consolidated unbilled and net accounts receivable at December 31, 2020.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

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      unitRef="Pure">0.389</us-gaap:ConcentrationRiskPercentage1>
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      unitRef="Pure">0.125</us-gaap:ConcentrationRiskPercentage1>
    <us-gaap:RevenueRecognitionPolicyTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_841_eus-gaap--RevenueRecognitionPolicyTextBlock_z2XixP5DCqph" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_861_zsDlsj3pxPG6"&gt;Revenue
Recognition and Related Policies&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company recognizes revenue in accordance with FASB&#x2019;s ASC 606, &#x201c;Revenue from Contracts with Customers.&#x201d; ASC 606 provides
a single, comprehensive revenue recognition model for all contracts with customers. Under ASC 606, a five-step process is utilized in
order to determine revenue recognition, depicting the transfer of goods or services to a customer at an amount that reflects the consideration
it expects to receive in exchange for those goods or services. Under ASC 606, a performance obligation is a promise in a contract to
transfer a distinct good or service to the customer and is the unit of account. A contract transaction price is allocated to each distinct
performance obligation and recognized as revenues as the performance obligation is satisfied.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;Treatment
Segment Revenues:&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Contracts
in our Treatment Segment primarily have a single performance obligation as the promise to receive, treat and dispose of waste is not
separately identifiable in the contract and, therefore, not distinct. Performance obligations are generally satisfied over time using
the input method. Under the input method, the Company uses a measure of progress divided into major phases which include receipt (ranging
from &lt;span id="xdx_90E_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--ReceiptMember__srt--RangeAxis__srt--MinimumMember_zQjzGbVE8dui"&gt;9.0&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%
to &lt;span id="xdx_909_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--ReceiptMember__srt--RangeAxis__srt--MaximumMember_zNit39EsWWg1"&gt;33&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%),
&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;treatment/processing (ranging from &lt;span id="xdx_90F_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--TreatmentOrProcessingMember__srt--RangeAxis__srt--MinimumMember_z3tTKMzhIqjj"&gt;15&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%
to &lt;span id="xdx_902_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--TreatmentOrProcessingMember__srt--RangeAxis__srt--MaximumMember_z3NvBeyc1K77"&gt;79&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%)
&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;and shipment/final disposal (ranging from &lt;span id="xdx_902_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--ShipmentOrFinalDisposalMember__srt--RangeAxis__srt--MinimumMember_zwJSRIJ27pV5"&gt;9.0&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%
&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;to &lt;span id="xdx_903_ecustom--PercentageOfRevenueRecognized_iI_pid_dp_c20211231__srt--ProductOrServiceAxis__custom--ShipmentOrFinalDisposalMember__srt--RangeAxis__srt--MaximumMember_zngmvGFCj4A1"&gt;52&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;%).
As major processing phases are completed and the costs are incurred, the proportional percentage of revenue is recognized. Transaction
price for Treatment Segment contracts are determined by the stated fixed rate per unit price as stipulated in the contract.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;&#160;&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;Services
Segment Revenues:&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Revenues
for our Services Segment are generated from time and materials or fixed price arrangements:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company&#x2019;s primary obligation to customers in time and materials contracts relate to the provision of services to the customer at
the direction of the customer. This provision of services at the request of the customer is the performance obligation, which is satisfied
over time. Revenue earned from time and materials contracts is determined using the input method and is based on contractually defined
billing rates applied to services performed and materials delivered.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Under
fixed price contracts, the objective of the project is not attained unless all scope items within the contract are completed and all
of the services promised within fixed fee contracts constitute a single performance obligation. Transaction price is estimated based
upon the estimated cost to complete the overall project. Revenue from fixed price contracts is recognized over time primarily using the
input method. For the input method, revenue is recognized based on costs incurred on the project relative to the total estimated costs
of the project.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
majority of our contracts with our customers are short term with an original expected length of one year or less. The Company&#x2019;s
contracts and subcontracts relating to activities at governmental sites (both U.S. and Canadian) generally allow for termination for
convenience at any time at the government&#x2019;s option without payment of a substantial penalty.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;Variable
Consideration&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company&#x2019;s contracts generally do not give rise to variable consideration. However, during the third quarter of 2021, the Company
recognized approximately $&lt;span id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pp0p0_c20210701__20210930_z8Ko2MNDgpsd" title="Revenue"&gt;1,286,000&lt;/span&gt; in revenue from a REA under one of the Company&#x2019;s Treatment Services contracts that resulted
in cumulative catch-up adjustment in the transaction price that had been constrained in prior periods.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;Significant
Payment Terms&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Invoicing
is based on schedules established in customer contracts. Payment terms vary by customers but are generally established at 30 days from
invoicing.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;Incremental
Costs to Obtain a Contract&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Costs
incurred to obtain contracts with our customers are immaterial and as a result, the Company expenses (within selling, general and administration
expenses (&#x201c;SG&amp;amp;A&#x201d;)) incremental costs incurred in obtaining contracts with our customer as incurred.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;Remaining
Performance Obligations&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company applies the practical expedient in ASC 606-10-50-14 and does not disclose information about remaining performance obligations
that have original expected durations of one year or less.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Within
our Services Segment, there are service contracts which provide that the Company has a right to consideration from a customer in an amount
that corresponds directly with the value to the customer of our performance completed to date. For those contracts, the Company has utilized
the practical expedient in ASC 606-10-55-18, which allows the Company to recognize revenue in the amount for which we have the right
to invoice; accordingly, the Company does not disclose the value of remaining performance obligations for those contracts.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company&#x2019;s contracts and subcontracts relating to activities at governmental sites generally allow for termination for convenience
at any time at the government&#x2019;s option without payment of a substantial penalty. The Company does not disclose remaining performance
obligations on these contracts.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

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Compensation&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Stock-based
compensation granted to employees are accounted for in accordance with ASC 718, &#x201c;Compensation &#x2013; Stock Compensation.&#x201d;
Stock-based payment transactions for acquiring goods and services from nonemployees are also accounted for under ASC 718. ASC 718 requires
stock-based payments to employees and nonemployees, including grant of options, to be recognized in the Statement of Operations based
on their fair values. The Company uses the Black-Scholes option-pricing model to determine the fair-value of stock-based awards which
requires subjective assumptions. Assumptions used to estimate the fair value of stock-based awards include the exercise price of the
award, the expected term, the expected volatility of our stock over the stock-based award&#x2019;s expected term, the risk-free interest
rate over the award&#x2019;s expected term, and the expected annual dividend yield. The Company accounts for forfeitures when they occur.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

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Income (Loss)&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
components of comprehensive income (loss) are net income (loss) and the effects of foreign currency translation adjustments.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

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(Loss) Per Share&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Basic
income (loss) per share is calculated based on the weighted-average number of outstanding common shares during the applicable period.
Diluted income (loss) per share is based on the weighted-average number of outstanding common shares plus the weighted-average number
of potential outstanding common shares. In periods where they are anti-dilutive, such amounts are excluded from the calculations of dilutive
earnings per share. Income (loss) per share is computed separately for each period presented.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

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Value of Financial Instruments&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Certain
assets and liabilities are required to be recorded at fair value on a recurring basis, while other assets and liabilities are recorded
at fair value on a nonrecurring basis. Fair value is determined based on the exchange price that would be received for an asset or paid
to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction
between market participants. The three-tier value hierarchy, which prioritizes the inputs used in the valuation methodologies, is:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Level
1&lt;/b&gt;&lt;i&gt;&#x2014;&lt;/i&gt;Valuations based on quoted prices for identical assets and liabilities in active markets.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Level
2&lt;/b&gt;&lt;i&gt;&#x2014;&lt;/i&gt;Valuations based on observable inputs other than quoted prices included in Level 1, such as quoted prices for similar
assets and liabilities in active markets, quoted prices for identical or similar assets and liabilities in markets that are not active,
or other inputs that are observable or can be corroborated by observable market data.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Level
3&lt;/b&gt;&lt;i&gt;&#x2014;&lt;/i&gt;Valuations based on unobservable inputs reflecting the Company&#x2019;s own assumptions, consistent with reasonably
available assumptions made by other market participants.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 26.4pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Financial
instruments include cash (Level 1), accounts receivable, accounts payable, and debt obligations (Level 3). &lt;span style="background-color: white"&gt;Credit
is extended to customers based on an evaluation of a customer&#x2019;s financial condition and, generally, collateral is not required.
&lt;/span&gt;At December 31, 2021 and December 31, 2020, the fair value of the Company&#x2019;s financial instruments approximated their carrying
values. The fair value of the Company&#x2019;s revolving credit and term loan approximate its carrying value due to the variable interest
rate.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:FairValueMeasurementPolicyPolicyTextBlock>
    <us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_842_eus-gaap--NewAccountingPronouncementsPolicyPolicyTextBlock_zNpGcH4N7Ix" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_865_zkuhuOZ0IhCb"&gt;Recently
Adopted Accounting Standards&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;In
December 2019, the FASB issued ASU No. 2019-12, &#x201c;Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes,&#x201d;
which is intended to simplify various aspects related to accounting for income taxes. ASU 2019-12 removes certain exceptions to the general
principles in Topic 740 and also clarifies and amends existing guidance to improve consistent application. This guidance is effective
for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2020, with early adoption permitted. The
adoption of ASU No. 2019-12 by the Company effective January 1, 2021 did not have a material impact on the Company&#x2019;s financial
statements.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; background-color: white"&gt;In
January 2020, the FASB issued ASU 2020-01, &#x201c;Investments - Equity Securities (Topic 321), Investments - Equity Method and Joint
Ventures (Topic 323), and Derivatives and Hedging (Topic 815), clarifying the Interactions between Topic 321, Topic 323, and Topic 815.&#x201d;
&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;This guidance addresses accounting for the transition
into and out of the equity method and provides clarification of the interaction of rules for equity securities, the equity method of
accounting, and forward contracts and purchase options on certain types of securities. This standard is effective for fiscal years and
interim periods within those fiscal years beginning after December 15, 2020. Early adoption is permitted. The adoption of ASU No. 2020-01
by the Company effective January 1, 2021 did not have a material impact on the Company&#x2019;s financial statements.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;In
October 2020, the FASB issued ASU No 2020-10, &#x201c;Codification Improvements.&#x201d; ASU 2020-10 updates various codification topics
by clarifying or improving disclosure requirements. ASU 2020-10 is effective for public entities for fiscal years beginning after December
15, 2020, with early adoption permitted. The adoption of ASU No. 2020-01 by the Company effective January 1, 2021 did not have a material
impact on the Company&#x2019;s financial statements or disclosures.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

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Issued Accounting Standards &#x2013; Not Yet Adopted&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;In
June 2016, the FASB issued ASU No. 2016-13, &#x201c;Credit Losses (Topic 326) - Measurement of Credit Losses on Financial Instruments,&#x201d;
and various subsequent amendments to the initial guidance (collectively, &#x201c;Topic 326&#x201d;). Topic 326 introduces an approach,
based on expected losses, to estimate credit losses on certain types of financial instruments and modifies the impairment model for available-for-sale
debt securities. The new approach to estimating credit losses (referred to as the current expected credit losses model) applies to most
financial assets measured at amortized cost and certain other instruments, including trade and other receivables and loans. Entities
are required to apply the standard&#x2019;s provisions as a cumulative-effect adjustment to retained earnings as of the beginning of the
first reporting period in which the guidance is adopted. In November 2019, FASB issued ASU 2019-10, &#x201c;Financial Instruments &#x2013;
Credit Losses (Topic 326), Derivatives and Hedging (Topic 815), and Leases (Topic 842),&#x201d; which defers the effective date of ASU
2016-13 for public companies that are considered smaller reporting companies (&#x201c;SRC&#x201d;) as defined by the Commission to fiscal
years beginning after December 15, 2022, including interim periods within those fiscal years. These ASUs are effective January 1, 2023
for the Company as an SRC. Under new guidance issued by the Commission in March 2020, the Company continues to qualify as a smaller reporting
company but has become an accelerated filer for all filings with the Commission starting with this Form 10-K filing and all subsequent
filings. The Company is currently evaluating the impact of these ASU on its consolidated financial statements.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;In
August 2020, the FASB issued ASU No. 2020-06, &#x201c;Debt &#x2013; Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives
and Hedging &#x2013; Contracts in Entity&#x2019;s Own Equity.&#x201d; ASU 2020-06 simplifies the accounting for convertible instruments
by removing major separation models and removing certain settlement condition qualifiers for the derivatives scope exception for contracts
in an entity&#x2019;s own equity, and simplifies the related diluted net income per share calculation for both Subtopics. ASU 2020-06
is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2023, for the Company as an
SRC. Early adoption is permitted, but no earlier than fiscal years beginning after December 15, 2020, including interim periods within
those fiscal years. The Company is currently evaluating the impact of this ASU on its consolidated financial statements and disclosures.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;In
May 2021, the FASB issued ASU No. 2021-04, &#x201c;Earnings Per Share (Topic 206), Debt-Modifications and Extinguishments (Subtopic 470-50),
Compensation-Stock Compensation (Topic 718), and Derivatives and Hedging-Contracts in Entity&#x2019;s Own Equity (Subtopic 815-40): Issuer&#x2019;s
Accounting for Certain Modifications or Exchanges of Freestanding Equity-Classified Written Call Options (a consensus of the FASB Emerging
Issues Task Force).&#x201d; ASU 2021-04 addresses issuer&#x2019;s accounting for certain modifications or exchanges of freestanding equity-classified
written call options. This ASU is effective for all entities, for fiscal years beginning after December 15, 2021, including interim periods
within those fiscal years. Early adoption is permitted. This ASU is effective January 1, 2022 for the Company. The Company does not expect
the adoption of this ASU will have a material impact on its financial statements.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

</PESI:NewAccountingPronouncementsNotYetAdoptedPolicyPolicyTextBlock>
    <us-gaap:RevenueFromContractWithCustomerTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_80E_eus-gaap--RevenueFromContractWithCustomerTextBlock_zkCUB5Q6CG8b" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;NOTE
3&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_820_zte3clBDoqU9"&gt;REVENUE&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Disaggregation
of Revenue&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_89E_eus-gaap--DisaggregationOfRevenueTableTextBlock_zo7tYD6gyGXh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;In
general, the Company&#x2019;s business segmentation is aligned according to the nature and economic characteristics of our services and
provides meaningful disaggregation of each business segment&#x2019;s results of operations. The following tables present further disaggregation
of our revenues by different categories for our Services and Treatment Segments:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8B0_zjtUKy0d2kYk" style="display: none"&gt;SCHEDULE OF DISAGGREGATION OF REVENUE&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Revenue by Contract Type&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Twelve
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Twelve
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Treatment&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Services&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Treatment&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Services&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 40%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Fixed price&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z7Z4nnFUuqg9" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;32,992&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z1kVSmjYu86g" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;11,236&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember_zUwbot7nqwmi" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;44,228&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_znVOa9T0D5sc" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;30,143&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z8MhSdsRh5Pd" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;8,970&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember_zV51b4LAPyc2" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;39,113&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Time and materials&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zgdkj5N9inSl" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0851"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zy5XcQewP9I2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;27,963&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember_zI3rqz6iOWF5" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;27,963&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zjEO3Ockcwqa" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0857"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_ziGd7VnYdrd9" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;66,313&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember_ziAk732hcdi3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;66,313&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zUNGBUS86Sil" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;32,992&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zvW07rho2AT2" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;39,199&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231_zz73cGLOn094" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;72,191&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z3njenhIcUL7" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;30,143&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zTGg8MuWRLik" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;75,283&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231_zMqR4P9zHvlb" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;105,426&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Revenue by generator&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Twelve
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Twelve
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Treatment&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Services&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Treatment&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Services&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 40%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Domestic government&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zszD1EacQHeh" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;22,538&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zmxZRLHGnTYd" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;29,013&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zaM3HkIDvO34" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;51,551&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z23weyAIRdbf" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;22,795&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zGwUjZbBVlG8" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;68,237&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zrfsTf5Oiumi" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;91,032&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Domestic commercial&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_ziF47cGe2mNa" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;9,294&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zcMaW0nG1Xbf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,412&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticCommercialMember_z48Zu4tqPrC6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;10,706&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z92mSFpbmohe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;6,933&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zFKCTtsqc0Dc" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,825&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticCommercialMember_zhM0TcKV8qs8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;8,758&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Foreign government&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zps7Ll32f344" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;577&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zQ4guH41zCsh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;8,684&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zOwYValUHaid" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;9,261&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zhIXqo2dWBHd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;415&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zSpisHgaBsBe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;5,135&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zAtmLWc1qcXj" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;5,550&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Foreign commercial&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zQgyNtNzhM5j" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;583&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zkNniQMDA1y6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;90&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignCommercialMember_zCMIO554af54" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;673&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zKP6aOLGfT3d" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0917"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zSFC2arx9wng" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;86&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignCommercialMember_zXZsLywb9qlc" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;86&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zj9N9zmJZ2Oa" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;32,992&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zlG9aTmxyOmb" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;39,199&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231_zcCaYHniXj3a" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;72,191&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zAYd7JBCoB2k" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;30,143&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zxLqeS6a7EOa" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;75,283&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231_zlfy8wWTDUng" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;105,426&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8A4_zlEsmlMAXTU8" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Contract
Balances&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
timing of revenue recognition, billings, and cash collections results in accounts receivable and unbilled receivables (contract assets).
The Company&#x2019;s contract liabilities consist of deferred revenues which represents advance payment from customers in advance of the
completion of our performance obligation.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_89D_eus-gaap--ContractWithCustomerAssetAndLiabilityTableTextBlock_zQQiUJnA2AAd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
following table represents changes in our contract assets and contract liabilities balances:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8BD_zkEgi9JLdwna" style="display: none"&gt;SCHEDULE OF CONTRACT ASSETS AND LIABILITIES&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Year-to-date&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Year-to-date&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Change
    ($)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Change
    (%)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Contract assets&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 36%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Account receivables, net of allowance&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--AccountsReceivableNetCurrent_iI_pn3n3_c20211231_z4SWamztaR64" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right" title="Account receivables, net of allowance"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;11,372&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--AccountsReceivableNetCurrent_iI_pn3n3_c20201231_zjlZuefJewib" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right" title="Account receivables, net of allowance"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;9,659&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease_pn3n3_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_z56xOnuG0Pv" style="font-family: Times New Roman, Times, Serif; width: 10%; text-align: right" title="Change in account receivable, net of allowances"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,713&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_ecustom--ChangesInAccountReceivablesNetOfAllowancePercentage_pid_dp_uPure_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_zDAi2BEHU1V" style="font-family: Times New Roman, Times, Serif; width: 10%; text-align: right" title="Changes in account receivables, net of allowances, percentage"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;17.7&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Unbilled receivables - current&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--UnbilledReceivablesCurrent_iI_pn3n3_c20211231_zdcuHTO5zymd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Unbilled receivables - current"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;8,995&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--UnbilledReceivablesCurrent_iI_pn3n3_c20201231_zCEHc4v4ZLhf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Unbilled receivables - current"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;14,453&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_ecustom--IncreaseDecreaseInUnbilledReceivable_pn3n3_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_zcbPcxeUAgRf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Changes in unbilled receivables - current"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(5,458&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_ecustom--ChangeInUnbilledReceivablesCurrentPercentage_pid_dp_uPure_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_zO0IzuUiWsT4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Changes in unbilled receivables - current, percentage"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(37.8&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Contract liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Deferred revenue&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--DeferredRevenueCurrent_iI_pn3n3_c20211231_zQsJfu1FiEhd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Deferred revenue"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;5,580&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--DeferredRevenueCurrent_iI_pn3n3_c20201231_zDn5U1tRCvi5" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Deferred revenue"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;4,614&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--IncreaseDecreaseInContractWithCustomerLiability_pn3n3_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_zAsxse5mjsn9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Changes in deferred revenue"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;966&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_ecustom--ChangesInDeferredRevenuePercentage_pid_dp_uPure_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_zYyidq0CDfMk" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Changes in deferred revenue, percentage"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;20.9&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8A6_z5FzbAwFgOB1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"/&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
decrease in unbilled receivables was primarily within our Services Segment due to invoicing and collection of accounts receivable on
certain large projects which have been completed or are near completion.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;During
the twelve months ended December 31, 2021 and 2020, the Company recognized revenue of $&lt;span id="xdx_902_eus-gaap--ContractWithCustomerLiabilityRevenueRecognized_pp0p0_c20210101__20211231_zSL2JxwP02W7" title="Revenue recognized"&gt;7,196,000&lt;/span&gt; and $&lt;span id="xdx_90A_eus-gaap--ContractWithCustomerLiabilityRevenueRecognized_pp0p0_c20200101__20201231_zgoF4jmJXU5c" title="Revenue recognized"&gt;8,094,000&lt;/span&gt;, respectively, related
to untreated waste that was in the Company&#x2019;s control as of the beginning of each respective year. Revenue recognized in each period
related to performance obligations satisfied within the respective period.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

</us-gaap:RevenueFromContractWithCustomerTextBlock>
    <us-gaap:DisaggregationOfRevenueTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_89E_eus-gaap--DisaggregationOfRevenueTableTextBlock_zo7tYD6gyGXh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;In
general, the Company&#x2019;s business segmentation is aligned according to the nature and economic characteristics of our services and
provides meaningful disaggregation of each business segment&#x2019;s results of operations. The following tables present further disaggregation
of our revenues by different categories for our Services and Treatment Segments:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8B0_zjtUKy0d2kYk" style="display: none"&gt;SCHEDULE OF DISAGGREGATION OF REVENUE&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Revenue by Contract Type&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Twelve
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Twelve
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Treatment&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Services&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Treatment&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Services&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 40%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Fixed price&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z7Z4nnFUuqg9" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;32,992&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z1kVSmjYu86g" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;11,236&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember_zUwbot7nqwmi" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;44,228&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_znVOa9T0D5sc" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;30,143&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z8MhSdsRh5Pd" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;8,970&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--FixedPriceMember_zV51b4LAPyc2" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;39,113&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Time and materials&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zgdkj5N9inSl" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0851"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zy5XcQewP9I2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;27,963&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember_zI3rqz6iOWF5" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;27,963&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zjEO3Ockcwqa" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0857"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_ziGd7VnYdrd9" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;66,313&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__custom--TimeandMaterialsMember_ziAk732hcdi3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;66,313&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zUNGBUS86Sil" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;32,992&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zvW07rho2AT2" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;39,199&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231_zz73cGLOn094" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;72,191&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z3njenhIcUL7" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;30,143&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zTGg8MuWRLik" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;75,283&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231_zMqR4P9zHvlb" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;105,426&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Revenue by generator&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Twelve
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Twelve
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Treatment&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Services&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Treatment&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Services&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 40%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Domestic government&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zszD1EacQHeh" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;22,538&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zmxZRLHGnTYd" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;29,013&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zaM3HkIDvO34" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;51,551&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z23weyAIRdbf" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;22,795&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zGwUjZbBVlG8" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;68,237&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zrfsTf5Oiumi" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;91,032&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Domestic commercial&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_ziF47cGe2mNa" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;9,294&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zcMaW0nG1Xbf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,412&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticCommercialMember_z48Zu4tqPrC6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;10,706&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z92mSFpbmohe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;6,933&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zFKCTtsqc0Dc" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,825&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticCommercialMember_zhM0TcKV8qs8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;8,758&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Foreign government&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zps7Ll32f344" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;577&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zQ4guH41zCsh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;8,684&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zOwYValUHaid" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;9,261&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zhIXqo2dWBHd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;415&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zSpisHgaBsBe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;5,135&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zAtmLWc1qcXj" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;5,550&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Foreign commercial&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zQgyNtNzhM5j" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;583&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zkNniQMDA1y6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;90&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignCommercialMember_zCMIO554af54" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;673&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zKP6aOLGfT3d" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0917"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignCommercialMember__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zSFC2arx9wng" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;86&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignCommercialMember_zXZsLywb9qlc" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;86&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zj9N9zmJZ2Oa" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;32,992&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zlG9aTmxyOmb" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;39,199&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231_zcCaYHniXj3a" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;72,191&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zAYd7JBCoB2k" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;30,143&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zxLqeS6a7EOa" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;75,283&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231_zlfy8wWTDUng" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;105,426&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

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      contextRef="From2021-01-012021-12-31_custom_FixedPriceMember_custom_TreatmentMember"
      decimals="-3"
      unitRef="USD">32992000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      contextRef="From2021-01-012021-12-31_custom_FixedPriceMember_custom_ServicesMember"
      decimals="-3"
      unitRef="USD">11236000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      contextRef="From2021-01-012021-12-31_custom_FixedPriceMember"
      decimals="-3"
      unitRef="USD">44228000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      contextRef="From2020-01-012020-12-31_custom_FixedPriceMember_custom_TreatmentMember"
      decimals="-3"
      unitRef="USD">30143000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31_custom_FixedPriceMember_custom_ServicesMember"
      decimals="-3"
      unitRef="USD">8970000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      contextRef="From2020-01-012020-12-31_custom_FixedPriceMember"
      decimals="-3"
      unitRef="USD">39113000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      contextRef="From2021-01-012021-12-31_custom_TimeandMaterialsMember_custom_ServicesMember"
      decimals="-3"
      unitRef="USD">27963000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      contextRef="From2021-01-012021-12-31_custom_TimeandMaterialsMember"
      decimals="-3"
      unitRef="USD">27963000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31_custom_TimeandMaterialsMember_custom_ServicesMember"
      decimals="-3"
      unitRef="USD">66313000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31_custom_TimeandMaterialsMember"
      decimals="-3"
      unitRef="USD">66313000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-012021-12-31_custom_TreatmentMember"
      decimals="-3"
      unitRef="USD">32992000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-012021-12-31_custom_ServicesMember"
      decimals="-3"
      unitRef="USD">39199000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">72191000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      contextRef="From2020-01-012020-12-31_custom_TreatmentMember"
      decimals="-3"
      unitRef="USD">30143000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31_custom_ServicesMember"
      decimals="-3"
      unitRef="USD">75283000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">105426000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-012021-12-31_custom_DomesticGovernmentMember_custom_TreatmentMember"
      decimals="-3"
      unitRef="USD">22538000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-012021-12-31_custom_DomesticGovernmentMember_custom_ServicesMember"
      decimals="-3"
      unitRef="USD">29013000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-012021-12-31_custom_DomesticGovernmentMember"
      decimals="-3"
      unitRef="USD">51551000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31_custom_DomesticGovernmentMember_custom_TreatmentMember"
      decimals="-3"
      unitRef="USD">22795000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31_custom_DomesticGovernmentMember_custom_ServicesMember"
      decimals="-3"
      unitRef="USD">68237000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31_custom_DomesticGovernmentMember"
      decimals="-3"
      unitRef="USD">91032000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      contextRef="From2021-01-012021-12-31_custom_DomesticCommercialMember_custom_TreatmentMember"
      decimals="-3"
      unitRef="USD">9294000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-012021-12-31_custom_DomesticCommercialMember_custom_ServicesMember"
      decimals="-3"
      unitRef="USD">1412000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-012021-12-31_custom_DomesticCommercialMember"
      decimals="-3"
      unitRef="USD">10706000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31_custom_DomesticCommercialMember_custom_TreatmentMember"
      decimals="-3"
      unitRef="USD">6933000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31_custom_DomesticCommercialMember_custom_ServicesMember"
      decimals="-3"
      unitRef="USD">1825000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31_custom_DomesticCommercialMember"
      decimals="-3"
      unitRef="USD">8758000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-012021-12-31_custom_ForeignGovernmentMember_custom_TreatmentMember"
      decimals="-3"
      unitRef="USD">577000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-012021-12-31_custom_ForeignGovernmentMember_custom_ServicesMember"
      decimals="-3"
      unitRef="USD">8684000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-012021-12-31_custom_ForeignGovernmentMember"
      decimals="-3"
      unitRef="USD">9261000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      contextRef="From2020-01-012020-12-31_custom_ForeignGovernmentMember_custom_TreatmentMember"
      decimals="-3"
      unitRef="USD">415000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31_custom_ForeignGovernmentMember_custom_ServicesMember"
      decimals="-3"
      unitRef="USD">5135000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31_custom_ForeignGovernmentMember"
      decimals="-3"
      unitRef="USD">5550000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-012021-12-31_custom_ForeignCommercialMember_custom_TreatmentMember"
      decimals="-3"
      unitRef="USD">583000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      contextRef="From2021-01-012021-12-31_custom_ForeignCommercialMember_custom_ServicesMember"
      decimals="-3"
      unitRef="USD">90000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-012021-12-31_custom_ForeignCommercialMember"
      decimals="-3"
      unitRef="USD">673000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31_custom_ForeignCommercialMember_custom_ServicesMember"
      decimals="-3"
      unitRef="USD">86000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31_custom_ForeignCommercialMember"
      decimals="-3"
      unitRef="USD">86000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      contextRef="From2021-01-012021-12-31_custom_TreatmentMember"
      decimals="-3"
      unitRef="USD">32992000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      contextRef="From2021-01-012021-12-31_custom_ServicesMember"
      decimals="-3"
      unitRef="USD">39199000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">72191000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31_custom_TreatmentMember"
      decimals="-3"
      unitRef="USD">30143000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31_custom_ServicesMember"
      decimals="-3"
      unitRef="USD">75283000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">105426000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:ContractWithCustomerAssetAndLiabilityTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_89D_eus-gaap--ContractWithCustomerAssetAndLiabilityTableTextBlock_zQQiUJnA2AAd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
following table represents changes in our contract assets and contract liabilities balances:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8BD_zkEgi9JLdwna" style="display: none"&gt;SCHEDULE OF CONTRACT ASSETS AND LIABILITIES&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Year-to-date&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Year-to-date&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Change
    ($)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Change
    (%)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Contract assets&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 36%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Account receivables, net of allowance&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--AccountsReceivableNetCurrent_iI_pn3n3_c20211231_z4SWamztaR64" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right" title="Account receivables, net of allowance"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;11,372&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--AccountsReceivableNetCurrent_iI_pn3n3_c20201231_zjlZuefJewib" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right" title="Account receivables, net of allowance"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;9,659&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease_pn3n3_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_z56xOnuG0Pv" style="font-family: Times New Roman, Times, Serif; width: 10%; text-align: right" title="Change in account receivable, net of allowances"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,713&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_ecustom--ChangesInAccountReceivablesNetOfAllowancePercentage_pid_dp_uPure_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_zDAi2BEHU1V" style="font-family: Times New Roman, Times, Serif; width: 10%; text-align: right" title="Changes in account receivables, net of allowances, percentage"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;17.7&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Unbilled receivables - current&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--UnbilledReceivablesCurrent_iI_pn3n3_c20211231_zdcuHTO5zymd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Unbilled receivables - current"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;8,995&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--UnbilledReceivablesCurrent_iI_pn3n3_c20201231_zCEHc4v4ZLhf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Unbilled receivables - current"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;14,453&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_ecustom--IncreaseDecreaseInUnbilledReceivable_pn3n3_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_zcbPcxeUAgRf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Changes in unbilled receivables - current"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(5,458&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_ecustom--ChangeInUnbilledReceivablesCurrentPercentage_pid_dp_uPure_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_zO0IzuUiWsT4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Changes in unbilled receivables - current, percentage"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(37.8&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Contract liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Deferred revenue&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--DeferredRevenueCurrent_iI_pn3n3_c20211231_zQsJfu1FiEhd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Deferred revenue"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;5,580&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--DeferredRevenueCurrent_iI_pn3n3_c20201231_zDn5U1tRCvi5" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Deferred revenue"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;4,614&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--IncreaseDecreaseInContractWithCustomerLiability_pn3n3_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_zAsxse5mjsn9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Changes in deferred revenue"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;966&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_ecustom--ChangesInDeferredRevenuePercentage_pid_dp_uPure_c20210101__20211231__us-gaap--AwardDateAxis__custom--YearToDateChangesMember_zYyidq0CDfMk" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Changes in deferred revenue, percentage"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;20.9&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</us-gaap:ContractWithCustomerAssetAndLiabilityTableTextBlock>
    <us-gaap:AccountsReceivableNetCurrent contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">11372000</us-gaap:AccountsReceivableNetCurrent>
    <us-gaap:AccountsReceivableNetCurrent contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">9659000</us-gaap:AccountsReceivableNetCurrent>
    <us-gaap:AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease
      contextRef="From2021-01-012021-12-31_custom_YearToDateChangesMember"
      decimals="-3"
      unitRef="USD">1713000</us-gaap:AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease>
    <PESI:ChangesInAccountReceivablesNetOfAllowancePercentage
      contextRef="From2021-01-012021-12-31_custom_YearToDateChangesMember"
      decimals="INF"
      unitRef="Pure">0.177</PESI:ChangesInAccountReceivablesNetOfAllowancePercentage>
    <us-gaap:UnbilledReceivablesCurrent contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">8995000</us-gaap:UnbilledReceivablesCurrent>
    <us-gaap:UnbilledReceivablesCurrent contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">14453000</us-gaap:UnbilledReceivablesCurrent>
    <PESI:IncreaseDecreaseInUnbilledReceivable
      contextRef="From2021-01-012021-12-31_custom_YearToDateChangesMember"
      decimals="-3"
      unitRef="USD">-5458000</PESI:IncreaseDecreaseInUnbilledReceivable>
    <PESI:ChangeInUnbilledReceivablesCurrentPercentage
      contextRef="From2021-01-012021-12-31_custom_YearToDateChangesMember"
      decimals="INF"
      unitRef="Pure">-0.378</PESI:ChangeInUnbilledReceivablesCurrentPercentage>
    <us-gaap:DeferredRevenueCurrent contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">5580000</us-gaap:DeferredRevenueCurrent>
    <us-gaap:DeferredRevenueCurrent contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">4614000</us-gaap:DeferredRevenueCurrent>
    <us-gaap:IncreaseDecreaseInContractWithCustomerLiability
      contextRef="From2021-01-012021-12-31_custom_YearToDateChangesMember"
      decimals="-3"
      unitRef="USD">966000</us-gaap:IncreaseDecreaseInContractWithCustomerLiability>
    <PESI:ChangesInDeferredRevenuePercentage
      contextRef="From2021-01-012021-12-31_custom_YearToDateChangesMember"
      decimals="INF"
      unitRef="Pure">0.209</PESI:ChangesInDeferredRevenuePercentage>
    <us-gaap:ContractWithCustomerLiabilityRevenueRecognized
      contextRef="From2021-01-01to2021-12-31"
      decimals="0"
      unitRef="USD">7196000</us-gaap:ContractWithCustomerLiabilityRevenueRecognized>
    <us-gaap:ContractWithCustomerLiabilityRevenueRecognized
      contextRef="From2020-01-012020-12-31"
      decimals="0"
      unitRef="USD">8094000</us-gaap:ContractWithCustomerLiabilityRevenueRecognized>
    <PESI:LesseeOperatingAndFinanceLeasesTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_804_ecustom--LesseeOperatingAndFinanceLeasesTextBlock_zr5KRl6b6gK2" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;NOTE
4&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_824_zOOitnK5E0Ja"&gt;LEASES&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_893_eus-gaap--LeaseCostTableTextBlock_zcULGICtTLgj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
components of lease cost for the Company&#x2019;s leases were as follows (in thousands):&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8BD_zYxdlLQM1cfc" style="display: none"&gt;SCHEDULE OF COMPONENTS OF LEASE COST&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"/&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%"&gt;
  &lt;tr style="display: none; font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_497_20210101__20211231_zXNHyxEb6Jh3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_494_20200101__20201231_zQFQ2OyM714c" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;p style="margin-top: 0; margin-bottom: 0"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Twelve Months Ended&lt;/span&gt;&lt;/p&gt;
                                                                                &lt;p style="margin-top: 0; margin-bottom: 0"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December 31,&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Operating Leases:&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--OperatingLeaseCost_pn3n3_maLCzrDO_zNN3nWiR7sa9" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; width: 60%; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Lease
    cost&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;499&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;456&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Finance Leases:&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_402_eus-gaap--FinanceLeaseRightOfUseAssetAmortization_pn3n3_maFLzRjv_zOgt2m1OyJC3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amortization of ROU assets&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;220&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;220&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_403_eus-gaap--FinanceLeaseInterestExpense_pn3n3_maFLzRjv_z4EPKWTwlzs" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Interest
    on lease liability&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;97&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;143&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_404_ecustom--FinanceLease_iT_pn3n3_mtFLzRjv_maLCzrDO_zgh8aJ3sNEz8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;span style="display: none; font-size: 10pt"&gt;Finance
    leases cost&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;317&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;363&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_409_eus-gaap--ShortTermLeaseCost_pn3n3_maLCzrDO_zijg7ZVuxM2g" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Short-term lease rent
    expense&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;13&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;15&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--LeaseCost_iT_pn3n3_mtLCzrDO_zwGcDh5dvlHh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total lease cost&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;829&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;834&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8AE_zM36cCi0Z09g" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"/&gt;

&lt;p id="xdx_896_ecustom--ScheduleOfWeightedAverageLeaseTableTextBlock_z5ph4wWbcBxl" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
weighted average remaining lease term and the weighted average discount rate for operating and finance leases at December 31, 2021 were:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8B2_zvE0rpbBLzlf" style="display: none"&gt;SCHEDULE OF WEIGHTED AVERAGE LEASE&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Operating
    Leases&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Finance
    Leases&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted average remaining lease
    terms (years)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_906_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20211231_zvvsU6eqbNz2" title="Operating leases, weighted average remaining lease terms (years)"&gt;6.9&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_907_eus-gaap--FinanceLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20211231_zBbcZfIcQvd6" title="Finance leases, weighted average remaining lease terms (years)"&gt;4.0&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted average discount rate&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_90C_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20211231_z4J14hfGdC5" title="Operating leases, weighted average discount rate"&gt;7.6&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_90B_eus-gaap--FinanceLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20211231_zkh1OsCXUWX4" title="Finance leases, weighted average discount rate"&gt;6.2&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
weighted average remaining lease term and the weighted average discount rate for operating and finance leases at December 31, 2020 was:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; text-align: center; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Operating Leases&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; text-align: center; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Finance Leases&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted average remaining lease
    terms (years)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_902_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20201231_zer5s9vSx4wf" title="Operating leases, weighted average remaining lease terms (years)"&gt;8.0&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_907_eus-gaap--FinanceLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20201231_zGiXFIC4a5gd" title="Finance leases, weighted average remaining lease terms (years)"&gt;3.5&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted average discount rate&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_907_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20201231_zD1XbyAj1Cl1" title="Operating leases, weighted average discount rate"&gt;8.0&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_903_eus-gaap--FinanceLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20201231_zWyV9RbaaGm3" title="Finance leases, weighted average discount rate"&gt;7.3&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8AB_zptoRxxnn3q9" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_898_ecustom--OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock_zGwaM4zyBPk1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
following table reconciles the undiscounted cash flows for the operating and finance leases at December 31, 2021 to the operating and
finance lease liabilities recorded on the balance sheet (in thousands):&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8B6_zW6Lj4rKrW58" style="display: none"&gt;SCHEDULE OF OPERATING AND FINANCE LEASE LIABILITY MATURITY&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Operating
    Leases&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Finance
    Leases&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_iI_pn3n3_c20211231_z3zAxVgPs7da" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Operating Leases 2022"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;576&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_iI_pn3n3_c20211231_zaosGGXSQMYf" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Finance Leases 2022"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;398&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_iI_pn3n3_c20211231_z2pyED9zP8tf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases 2023"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;560&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearTwo_iI_pn3n3_c20211231_zKmmUhJdrXF6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases 2023"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;314&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearThree_iI_pn3n3_c20211231_z2egUjKSWyah" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases 2024"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;419&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearThree_iI_pn3n3_c20211231_z3purjmH9bv6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases 2024"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;310&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearFour_iI_pn3n3_c20211231_ziyTOTY9Exp5" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases 2025"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;327&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearFour_iI_pn3n3_c20211231_zCqeqWbpwI4d" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases 2025"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;299&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearFive_iI_pn3n3_c20211231_zQay14EEUYb9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases 2026"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;305&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearFive_iI_pn3n3_c20211231_z9343JkReote" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases 2026"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;82&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2027 and thereafter&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_iI_pn3n3_c20211231_zmAYRdFCnaP7" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases 2027 and thereafter"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;955&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--FinanceLeaseLiabilityPaymentsDueAfterYearFive_iI_pn3n3_c20211231_zm8aetqdqmx5" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="2027 and thereafter Finance Leases"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1029"&gt;-&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total undiscounted lease payments&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDue_iI_pn3n3_c20211231_zEhdr6i4qtA" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases Total undiscounted lease payments"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,142&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--FinanceLeaseLiabilityPaymentsDue_c20211231_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases Total undiscounted lease payments"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,403&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Less: Imputed interest&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_iNI_pn3n3_di_c20211231_zz5uKbJVG4le" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases Less: Imputed interest"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(707&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--FinanceLeaseLiabilityUndiscountedExcessAmount_iNI_pn3n3_di_c20211231_zetjldfTHMsb" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases Less: Imputed interest"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(186&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Present value of lease
    payments&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--OperatingLeaseLiability_c20211231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases Present value of lease payments"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2,435&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--FinanceLeaseLiability_c20211231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases Present value of lease payments"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,217&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Current portion of operating lease obligations&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--OperatingLeaseLiabilityCurrent_c20211231_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Current portion of operating lease obligations"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;406&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Long-term operating lease obligations, less
    current portion&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--OperatingLeaseLiabilityNoncurrent_c20211231_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Long-term operating lease obligations, less current portion"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2,029&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Current portion of finance lease obligations&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--FinanceLeaseLiabilityCurrent_c20211231_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Current portion of finance lease obligations"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;333&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Long-term finance lease obligations, less current
    portion&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--FinanceLeaseLiabilityNoncurrent_c20211231_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Long-term finance lease obligations, less current portion"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;884&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8A4_z67RTZhFl6jh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_89D_ecustom--ScheduleOfSupplementalCashFlowAndOtherInformationRelatedToLeasesTableTextBlock_zCUd8CBC9QYf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Supplemental
cash flow and other information related to our leases were as follows (in thousands):&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8BB_z4sLRG5LsH28" style="display: none"&gt;SCHEDULE OF SUPPLEMENTAL CASH FLOW AND OTHER INFORMATION RELATED TO LEASES&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="display: none; font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_493_20210101__20211231_zBK7sSpcSYu8" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_496_20200101__20201231_zNKV3ACRyRV5" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Twelve Months Ended December
    31,&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Cash paid for amounts included in the measurement of lease liabilities:&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--OperatingLeasePayments_pn3n3_zEaui73FcLyb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Operating cash
    flow from operating leases&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;439&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;442&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_400_eus-gaap--FinanceLeaseInterestExpense_pn3n3_zDsEyMYgN9A5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Operating cash flow from
    finance leases&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;97&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;143&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40D_eus-gaap--FinanceLeasePrincipalPayments_pn3n3_zmLXmfTVXOrg" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Financing cash flow from
    finance leases&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;334&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;615&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;ROU assets obtained in exchange for lease obligations
    for:&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_406_eus-gaap--RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_pn3n3_zer0UzmrHjq3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Finance liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;577&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;874&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_pn3n3_zDOvJkSBhfW2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Operating liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;491&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1066"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Reduction to ROU assets resulitng from reassessment
    for&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_408_ecustom--ReductionToRightOfUseAssetsForFinanceLeaseLiability_pn3n3_zjy1SlzArhlj" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Finance liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(364&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1069"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;


&lt;p id="xdx_8AF_zKRweGwKYHP4" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

</PESI:LesseeOperatingAndFinanceLeasesTextBlock>
    <us-gaap:LeaseCostTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_893_eus-gaap--LeaseCostTableTextBlock_zcULGICtTLgj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
components of lease cost for the Company&#x2019;s leases were as follows (in thousands):&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8BD_zYxdlLQM1cfc" style="display: none"&gt;SCHEDULE OF COMPONENTS OF LEASE COST&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"/&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%"&gt;
  &lt;tr style="display: none; font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_497_20210101__20211231_zXNHyxEb6Jh3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_494_20200101__20201231_zQFQ2OyM714c" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;p style="margin-top: 0; margin-bottom: 0"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Twelve Months Ended&lt;/span&gt;&lt;/p&gt;
                                                                                &lt;p style="margin-top: 0; margin-bottom: 0"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December 31,&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Operating Leases:&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--OperatingLeaseCost_pn3n3_maLCzrDO_zNN3nWiR7sa9" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; width: 60%; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Lease
    cost&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;499&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;456&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Finance Leases:&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_402_eus-gaap--FinanceLeaseRightOfUseAssetAmortization_pn3n3_maFLzRjv_zOgt2m1OyJC3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amortization of ROU assets&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;220&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;220&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_403_eus-gaap--FinanceLeaseInterestExpense_pn3n3_maFLzRjv_z4EPKWTwlzs" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Interest
    on lease liability&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;97&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;143&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_404_ecustom--FinanceLease_iT_pn3n3_mtFLzRjv_maLCzrDO_zgh8aJ3sNEz8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;span style="display: none; font-size: 10pt"&gt;Finance
    leases cost&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;317&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;363&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_409_eus-gaap--ShortTermLeaseCost_pn3n3_maLCzrDO_zijg7ZVuxM2g" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Short-term lease rent
    expense&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;13&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;15&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--LeaseCost_iT_pn3n3_mtLCzrDO_zwGcDh5dvlHh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total lease cost&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;829&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;834&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</us-gaap:LeaseCostTableTextBlock>
    <us-gaap:OperatingLeaseCost
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">499000</us-gaap:OperatingLeaseCost>
    <us-gaap:OperatingLeaseCost
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">456000</us-gaap:OperatingLeaseCost>
    <us-gaap:FinanceLeaseRightOfUseAssetAmortization
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">220000</us-gaap:FinanceLeaseRightOfUseAssetAmortization>
    <us-gaap:FinanceLeaseRightOfUseAssetAmortization
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">220000</us-gaap:FinanceLeaseRightOfUseAssetAmortization>
    <us-gaap:FinanceLeaseInterestExpense
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">97000</us-gaap:FinanceLeaseInterestExpense>
    <us-gaap:FinanceLeaseInterestExpense
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">143000</us-gaap:FinanceLeaseInterestExpense>
    <PESI:FinanceLease
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">317000</PESI:FinanceLease>
    <PESI:FinanceLease
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">363000</PESI:FinanceLease>
    <us-gaap:ShortTermLeaseCost
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">13000</us-gaap:ShortTermLeaseCost>
    <us-gaap:ShortTermLeaseCost
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">15000</us-gaap:ShortTermLeaseCost>
    <us-gaap:LeaseCost
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">829000</us-gaap:LeaseCost>
    <us-gaap:LeaseCost
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">834000</us-gaap:LeaseCost>
    <PESI:ScheduleOfWeightedAverageLeaseTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_896_ecustom--ScheduleOfWeightedAverageLeaseTableTextBlock_z5ph4wWbcBxl" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
weighted average remaining lease term and the weighted average discount rate for operating and finance leases at December 31, 2021 were:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8B2_zvE0rpbBLzlf" style="display: none"&gt;SCHEDULE OF WEIGHTED AVERAGE LEASE&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Operating
    Leases&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Finance
    Leases&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted average remaining lease
    terms (years)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_906_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20211231_zvvsU6eqbNz2" title="Operating leases, weighted average remaining lease terms (years)"&gt;6.9&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_907_eus-gaap--FinanceLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20211231_zBbcZfIcQvd6" title="Finance leases, weighted average remaining lease terms (years)"&gt;4.0&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted average discount rate&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_90C_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20211231_z4J14hfGdC5" title="Operating leases, weighted average discount rate"&gt;7.6&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_90B_eus-gaap--FinanceLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20211231_zkh1OsCXUWX4" title="Finance leases, weighted average discount rate"&gt;6.2&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
weighted average remaining lease term and the weighted average discount rate for operating and finance leases at December 31, 2020 was:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; text-align: center; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Operating Leases&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; text-align: center; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Finance Leases&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted average remaining lease
    terms (years)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_902_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20201231_zer5s9vSx4wf" title="Operating leases, weighted average remaining lease terms (years)"&gt;8.0&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_907_eus-gaap--FinanceLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20201231_zGiXFIC4a5gd" title="Finance leases, weighted average remaining lease terms (years)"&gt;3.5&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted average discount rate&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_907_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20201231_zD1XbyAj1Cl1" title="Operating leases, weighted average discount rate"&gt;8.0&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_903_eus-gaap--FinanceLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20201231_zWyV9RbaaGm3" title="Finance leases, weighted average discount rate"&gt;7.3&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</PESI:ScheduleOfWeightedAverageLeaseTableTextBlock>
    <us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1 contextRef="AsOf2021-12-31">P6Y10M24D</us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1>
    <us-gaap:FinanceLeaseWeightedAverageRemainingLeaseTerm1 contextRef="AsOf2021-12-31">P4Y</us-gaap:FinanceLeaseWeightedAverageRemainingLeaseTerm1>
    <us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent contextRef="AsOf2021-12-31" decimals="INF" unitRef="Pure">0.076</us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent>
    <us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent contextRef="AsOf2021-12-31" decimals="INF" unitRef="Pure">0.062</us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent>
    <us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1 contextRef="AsOf2020-12-31">P8Y</us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1>
    <us-gaap:FinanceLeaseWeightedAverageRemainingLeaseTerm1 contextRef="AsOf2020-12-31">P3Y6M</us-gaap:FinanceLeaseWeightedAverageRemainingLeaseTerm1>
    <us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent contextRef="AsOf2020-12-31" decimals="INF" unitRef="Pure">0.080</us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent>
    <us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent contextRef="AsOf2020-12-31" decimals="INF" unitRef="Pure">0.073</us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent>
    <PESI:OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_898_ecustom--OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock_zGwaM4zyBPk1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
following table reconciles the undiscounted cash flows for the operating and finance leases at December 31, 2021 to the operating and
finance lease liabilities recorded on the balance sheet (in thousands):&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8B6_zW6Lj4rKrW58" style="display: none"&gt;SCHEDULE OF OPERATING AND FINANCE LEASE LIABILITY MATURITY&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Operating
    Leases&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Finance
    Leases&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_iI_pn3n3_c20211231_z3zAxVgPs7da" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Operating Leases 2022"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;576&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_iI_pn3n3_c20211231_zaosGGXSQMYf" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Finance Leases 2022"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;398&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_iI_pn3n3_c20211231_z2pyED9zP8tf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases 2023"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;560&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearTwo_iI_pn3n3_c20211231_zKmmUhJdrXF6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases 2023"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;314&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearThree_iI_pn3n3_c20211231_z2egUjKSWyah" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases 2024"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;419&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearThree_iI_pn3n3_c20211231_z3purjmH9bv6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases 2024"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;310&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearFour_iI_pn3n3_c20211231_ziyTOTY9Exp5" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases 2025"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;327&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearFour_iI_pn3n3_c20211231_zCqeqWbpwI4d" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases 2025"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;299&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearFive_iI_pn3n3_c20211231_zQay14EEUYb9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases 2026"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;305&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearFive_iI_pn3n3_c20211231_z9343JkReote" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases 2026"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;82&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2027 and thereafter&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_iI_pn3n3_c20211231_zmAYRdFCnaP7" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases 2027 and thereafter"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;955&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--FinanceLeaseLiabilityPaymentsDueAfterYearFive_iI_pn3n3_c20211231_zm8aetqdqmx5" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="2027 and thereafter Finance Leases"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1029"&gt;-&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total undiscounted lease payments&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDue_iI_pn3n3_c20211231_zEhdr6i4qtA" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases Total undiscounted lease payments"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,142&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--FinanceLeaseLiabilityPaymentsDue_c20211231_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases Total undiscounted lease payments"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,403&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Less: Imputed interest&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_iNI_pn3n3_di_c20211231_zz5uKbJVG4le" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases Less: Imputed interest"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(707&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--FinanceLeaseLiabilityUndiscountedExcessAmount_iNI_pn3n3_di_c20211231_zetjldfTHMsb" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases Less: Imputed interest"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(186&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Present value of lease
    payments&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--OperatingLeaseLiability_c20211231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Operating Leases Present value of lease payments"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2,435&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--FinanceLeaseLiability_c20211231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Finance Leases Present value of lease payments"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,217&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Current portion of operating lease obligations&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--OperatingLeaseLiabilityCurrent_c20211231_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Current portion of operating lease obligations"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;406&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Long-term operating lease obligations, less
    current portion&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--OperatingLeaseLiabilityNoncurrent_c20211231_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Long-term operating lease obligations, less current portion"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2,029&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Current portion of finance lease obligations&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--FinanceLeaseLiabilityCurrent_c20211231_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Current portion of finance lease obligations"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;333&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Long-term finance lease obligations, less current
    portion&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--FinanceLeaseLiabilityNoncurrent_c20211231_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Long-term finance lease obligations, less current portion"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;884&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</PESI:OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">576000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths>
    <us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">398000</us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">560000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo>
    <us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">314000</us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">419000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree>
    <us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">310000</us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">327000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour>
    <us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">299000</us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">305000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive>
    <us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">82000</us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">955000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">3142000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue>
    <us-gaap:FinanceLeaseLiabilityPaymentsDue contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">1403000</us-gaap:FinanceLeaseLiabilityPaymentsDue>
    <us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">707000</us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount>
    <us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">186000</us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount>
    <us-gaap:OperatingLeaseLiability contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">2435000</us-gaap:OperatingLeaseLiability>
    <us-gaap:FinanceLeaseLiability contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">1217000</us-gaap:FinanceLeaseLiability>
    <us-gaap:OperatingLeaseLiabilityCurrent contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">406000</us-gaap:OperatingLeaseLiabilityCurrent>
    <us-gaap:OperatingLeaseLiabilityNoncurrent contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">2029000</us-gaap:OperatingLeaseLiabilityNoncurrent>
    <us-gaap:FinanceLeaseLiabilityCurrent contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">333000</us-gaap:FinanceLeaseLiabilityCurrent>
    <us-gaap:FinanceLeaseLiabilityNoncurrent contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">884000</us-gaap:FinanceLeaseLiabilityNoncurrent>
    <PESI:ScheduleOfSupplementalCashFlowAndOtherInformationRelatedToLeasesTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_89D_ecustom--ScheduleOfSupplementalCashFlowAndOtherInformationRelatedToLeasesTableTextBlock_zCUd8CBC9QYf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Supplemental
cash flow and other information related to our leases were as follows (in thousands):&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8BB_z4sLRG5LsH28" style="display: none"&gt;SCHEDULE OF SUPPLEMENTAL CASH FLOW AND OTHER INFORMATION RELATED TO LEASES&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="display: none; font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_493_20210101__20211231_zBK7sSpcSYu8" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_496_20200101__20201231_zNKV3ACRyRV5" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Twelve Months Ended December
    31,&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Cash paid for amounts included in the measurement of lease liabilities:&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--OperatingLeasePayments_pn3n3_zEaui73FcLyb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Operating cash
    flow from operating leases&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;439&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;442&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_400_eus-gaap--FinanceLeaseInterestExpense_pn3n3_zDsEyMYgN9A5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Operating cash flow from
    finance leases&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;97&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;143&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40D_eus-gaap--FinanceLeasePrincipalPayments_pn3n3_zmLXmfTVXOrg" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Financing cash flow from
    finance leases&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;334&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;615&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;ROU assets obtained in exchange for lease obligations
    for:&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_406_eus-gaap--RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_pn3n3_zer0UzmrHjq3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Finance liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;577&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;874&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_pn3n3_zDOvJkSBhfW2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Operating liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;491&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1066"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Reduction to ROU assets resulitng from reassessment
    for&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_408_ecustom--ReductionToRightOfUseAssetsForFinanceLeaseLiability_pn3n3_zjy1SlzArhlj" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Finance liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(364&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1069"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;


</PESI:ScheduleOfSupplementalCashFlowAndOtherInformationRelatedToLeasesTableTextBlock>
    <us-gaap:OperatingLeasePayments
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">439000</us-gaap:OperatingLeasePayments>
    <us-gaap:OperatingLeasePayments
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">442000</us-gaap:OperatingLeasePayments>
    <us-gaap:FinanceLeaseInterestExpense
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">97000</us-gaap:FinanceLeaseInterestExpense>
    <us-gaap:FinanceLeaseInterestExpense
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">143000</us-gaap:FinanceLeaseInterestExpense>
    <us-gaap:FinanceLeasePrincipalPayments
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">334000</us-gaap:FinanceLeasePrincipalPayments>
    <us-gaap:FinanceLeasePrincipalPayments
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">615000</us-gaap:FinanceLeasePrincipalPayments>
    <us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">577000</us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability>
    <us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">874000</us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability>
    <us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">491000</us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability>
    <PESI:ReductionToRightOfUseAssetsForFinanceLeaseLiability
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">-364000</PESI:ReductionToRightOfUseAssetsForFinanceLeaseLiability>
    <us-gaap:IntangibleAssetsDisclosureTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_804_eus-gaap--IntangibleAssetsDisclosureTextBlock_zEtbEGWHxLah" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;NOTE
5&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_82B_zFMCWXfpLyB6"&gt;PERMIT
AND OTHER INTANGIBLE ASSETS&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_895_eus-gaap--ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock_zp9XYLNCMGc3" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
following table summarizes changes in the carrying value of permits. No permit exists at our Services and Medical Segments.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span&gt;&lt;span id="xdx_8B0_zo1mWzc3A0Gf" style="display: none"&gt;SCHEDULE
OF INTANGIBLE ASSETS&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Permit (amount in thousands)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Treatment&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 78%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Balance as of December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_ecustom--Permits_iS_pn3n3_c20200101__20201231_zmgvndXZRKQ5" style="font-family: Times New Roman, Times, Serif; width: 18%; text-align: right" title="Permits, beginning balance"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;8,790&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="padding-left: 10pt; font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Permit in progress&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_ecustom--PermitInProgress_pn3n3_c20200101__20201231_zgBhfNhRORn3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Permits in progress"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;132&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Balance as of December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_ecustom--Permits_iS_pn3n3_c20210101__20211231_zKywHxEslaUg" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Permits, beginning balance"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;8,922&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="padding-left: 10pt; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Permit renewal&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_ecustom--PermitRenewal_pn3n3_c20210101__20211231_zfTqPOJggB2f" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Permit renewal"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;121&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="padding-left: 10pt; font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Permit in progress&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_ecustom--PermitInProgress_pn3n3_c20210101__20211231_zazRHZdQ7j92" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Permits in progress"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;433&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Balance as of December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_ecustom--Permits_iE_pn3n3_c20210101__20211231_zaP0dbUsdcMl" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Permits, ending balance"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;9,476&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8A2_zUdyDmtAICi1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_891_eus-gaap--ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock_zDAHyonv9cQc" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
following table summarizes information relating to the Company&#x2019;s definite-lived intangible assets:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8BD_zmsTkvkafRbe" style="display: none"&gt;SCHEDULE
OF DEFINITE LIVED INTANGIBLE ASSETS&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted Average&lt;br/&gt;
&lt;/span&gt;Amortization&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Gross&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Net&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Gross&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Net&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;Other Intangibles&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt; Period&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Carrying&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Accumulated&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Carrying&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Carrying&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Accumulated&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Carrying&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt; (amount in thousands)&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(Years)&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amount&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amortization&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amount&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amount&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amortization&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amount&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"/&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 38%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Patent&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_907_eus-gaap--FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_dtY_c20210101__20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_zLgIjmafNb26" title="Weighted Average Amortization Period (Years)"&gt;8.3&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--FiniteLivedIntangibleAssetsGross_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Gross Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;787&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Accumulated Amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(351&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_z1ErxKfaMJcc" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Net Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;436&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--FiniteLivedIntangibleAssetsGross_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Gross Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;742&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Accumulated Amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(334&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_zhU8B5H76Kme" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Net Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;408&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Software&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_902_eus-gaap--FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_dtY_c20210101__20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_zfJaj5pkxgS6" title="Weighted Average Amortization Period (Years)"&gt;3&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--FiniteLivedIntangibleAssetsGross_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_z6G1u4Zg02p7" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;592&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_zAfc5G1VZ3Z7" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(415&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_z2ToihshMog9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;177&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--FiniteLivedIntangibleAssetsGross_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;418&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(411&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_zNXuz1mxhxo9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;7&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Customer relationships&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_904_eus-gaap--FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_dtY_c20210101__20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_zuoRVRXxT7A5" title="Weighted Average Amortization Period (Years)"&gt;10&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--FiniteLivedIntangibleAssetsGross_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Gross Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,370&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(3,089&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_zg6MOWHdZzWl" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;281&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--FiniteLivedIntangibleAssetsGross_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Gross Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,370&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(2,910&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_zPE6qxUhbg9k" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;460&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--FiniteLivedIntangibleAssetsGross_c20211231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Gross Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;4,749&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20211231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(3,855&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20211231_zVbPloqLS6Ic" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;894&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--FiniteLivedIntangibleAssetsGross_c20201231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Gross Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;4,530&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20201231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(3,655&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20201231_zKvvzdPDNnKg" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;875&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8AE_zO7yZsDQeaq2" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
intangible assets noted above were amortized on a straight-line basis over their useful lives with the exception of customer relationships
which were amortized using an accelerated method.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 20pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_89D_eus-gaap--ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_zYkY4XahMZy5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
following table summarizes the expected amortization over the next five years for our definite-lived intangible assets:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;span style="font-size: 10pt"&gt;&lt;span id="xdx_8B8_zKPaHTqyQg78" style="display: none"&gt;SCHEDULE
OF FINITE LIVED INTANGIBLE ASSETS, FUTURE AMORTIZATION EXPENSE&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 40%; margin-right: auto"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_493_20211231_zBDhF3LjvIq6" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amount&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Year&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(In
    thousands)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_404_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 66%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 30%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;233&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40B_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;192&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40C_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;61&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_406_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;14&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;11&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8A3_zYfLPXhWzuxl" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 130.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Amortization
expense recorded for definite-lived intangible assets was approximately $&lt;span id="xdx_902_eus-gaap--AmortizationOfIntangibleAssets_pp0p0_c20210101__20211231_zU93PYHeH8L5" title="Amortization of intangible asset"&gt;211,000&lt;/span&gt; and $&lt;span id="xdx_90C_eus-gaap--AmortizationOfIntangibleAssets_pp0p0_c20200101__20201231_zsYGE8Zrjci5" title="Amortization expense of intangible asset"&gt;239,000&lt;/span&gt;, for the years ended December 31, 2021
and 2020, respectively.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 130.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:IntangibleAssetsDisclosureTextBlock>
    <us-gaap:ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_895_eus-gaap--ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock_zp9XYLNCMGc3" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
following table summarizes changes in the carrying value of permits. No permit exists at our Services and Medical Segments.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span&gt;&lt;span id="xdx_8B0_zo1mWzc3A0Gf" style="display: none"&gt;SCHEDULE
OF INTANGIBLE ASSETS&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Permit (amount in thousands)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Treatment&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 78%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Balance as of December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_ecustom--Permits_iS_pn3n3_c20200101__20201231_zmgvndXZRKQ5" style="font-family: Times New Roman, Times, Serif; width: 18%; text-align: right" title="Permits, beginning balance"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;8,790&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="padding-left: 10pt; font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Permit in progress&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_ecustom--PermitInProgress_pn3n3_c20200101__20201231_zgBhfNhRORn3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Permits in progress"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;132&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Balance as of December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_ecustom--Permits_iS_pn3n3_c20210101__20211231_zKywHxEslaUg" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Permits, beginning balance"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;8,922&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="padding-left: 10pt; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Permit renewal&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_ecustom--PermitRenewal_pn3n3_c20210101__20211231_zfTqPOJggB2f" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Permit renewal"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;121&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="padding-left: 10pt; font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Permit in progress&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_ecustom--PermitInProgress_pn3n3_c20210101__20211231_zazRHZdQ7j92" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Permits in progress"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;433&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Balance as of December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_ecustom--Permits_iE_pn3n3_c20210101__20211231_zaP0dbUsdcMl" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Permits, ending balance"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;9,476&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</us-gaap:ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock>
    <PESI:Permits contextRef="AsOf2019-12-31" decimals="-3" unitRef="USD">8790000</PESI:Permits>
    <PESI:PermitInProgress
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">132000</PESI:PermitInProgress>
    <PESI:Permits contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">8922000</PESI:Permits>
    <PESI:PermitRenewal
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">121000</PESI:PermitRenewal>
    <PESI:PermitInProgress
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">433000</PESI:PermitInProgress>
    <PESI:Permits contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">9476000</PESI:Permits>
    <us-gaap:ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_891_eus-gaap--ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock_zDAHyonv9cQc" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
following table summarizes information relating to the Company&#x2019;s definite-lived intangible assets:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8BD_zmsTkvkafRbe" style="display: none"&gt;SCHEDULE
OF DEFINITE LIVED INTANGIBLE ASSETS&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted Average&lt;br/&gt;
&lt;/span&gt;Amortization&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Gross&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Net&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Gross&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Net&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;Other Intangibles&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt; Period&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Carrying&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Accumulated&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Carrying&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Carrying&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Accumulated&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Carrying&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt; (amount in thousands)&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(Years)&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amount&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amortization&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amount&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amount&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amortization&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amount&lt;/span&gt;&lt;/td&gt;&lt;td style="vertical-align: bottom; font-family: Times New Roman, Times, Serif; text-align: center; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"/&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 38%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Patent&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_907_eus-gaap--FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_dtY_c20210101__20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_zLgIjmafNb26" title="Weighted Average Amortization Period (Years)"&gt;8.3&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--FiniteLivedIntangibleAssetsGross_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Gross Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;787&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Accumulated Amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(351&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_z1ErxKfaMJcc" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Net Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;436&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--FiniteLivedIntangibleAssetsGross_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Gross Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;742&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Accumulated Amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(334&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_zhU8B5H76Kme" style="font-family: Times New Roman, Times, Serif; width: 5%; text-align: right" title="Net Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;408&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Software&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_902_eus-gaap--FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_dtY_c20210101__20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_zfJaj5pkxgS6" title="Weighted Average Amortization Period (Years)"&gt;3&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--FiniteLivedIntangibleAssetsGross_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_z6G1u4Zg02p7" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;592&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_zAfc5G1VZ3Z7" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(415&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_z2ToihshMog9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;177&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--FiniteLivedIntangibleAssetsGross_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;418&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(411&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__custom--SoftwareMember_zNXuz1mxhxo9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Net Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;7&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Customer relationships&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_904_eus-gaap--FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_dtY_c20210101__20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_zuoRVRXxT7A5" title="Weighted Average Amortization Period (Years)"&gt;10&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--FiniteLivedIntangibleAssetsGross_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Gross Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,370&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(3,089&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20211231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_zg6MOWHdZzWl" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;281&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--FiniteLivedIntangibleAssetsGross_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Gross Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,370&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(2,910&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20201231__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_zPE6qxUhbg9k" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Net Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;460&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--FiniteLivedIntangibleAssetsGross_c20211231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Gross Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;4,749&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20211231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(3,855&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20211231_zVbPloqLS6Ic" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;894&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--FiniteLivedIntangibleAssetsGross_c20201231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Gross Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;4,530&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_c20201231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Accumulated Amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(3,655&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--FiniteLivedIntangibleAssetsNet_iI_pn3n3_c20201231_zKvvzdPDNnKg" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Net Carrying Amount"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;875&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</us-gaap:ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock>
    <us-gaap:FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1 contextRef="From2021-01-012021-12-31_us-gaap_PatentsMember">P8Y3M18D</us-gaap:FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1>
    <us-gaap:FiniteLivedIntangibleAssetsGross
      contextRef="AsOf2021-12-31_us-gaap_PatentsMember"
      decimals="-3"
      unitRef="USD">787000</us-gaap:FiniteLivedIntangibleAssetsGross>
    <us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
      contextRef="AsOf2021-12-31_us-gaap_PatentsMember"
      decimals="-3"
      unitRef="USD">-351000</us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization>
    <us-gaap:FiniteLivedIntangibleAssetsNet
      contextRef="AsOf2021-12-31_us-gaap_PatentsMember"
      decimals="-3"
      unitRef="USD">436000</us-gaap:FiniteLivedIntangibleAssetsNet>
    <us-gaap:FiniteLivedIntangibleAssetsGross
      contextRef="AsOf2020-12-31_us-gaap_PatentsMember"
      decimals="-3"
      unitRef="USD">742000</us-gaap:FiniteLivedIntangibleAssetsGross>
    <us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
      contextRef="AsOf2020-12-31_us-gaap_PatentsMember"
      decimals="-3"
      unitRef="USD">-334000</us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization>
    <us-gaap:FiniteLivedIntangibleAssetsNet
      contextRef="AsOf2020-12-31_us-gaap_PatentsMember"
      decimals="-3"
      unitRef="USD">408000</us-gaap:FiniteLivedIntangibleAssetsNet>
    <us-gaap:FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1 contextRef="From2021-01-012021-12-31_custom_SoftwareMember">P3Y</us-gaap:FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1>
    <us-gaap:FiniteLivedIntangibleAssetsGross
      contextRef="AsOf2021-12-31_custom_SoftwareMember"
      decimals="-3"
      unitRef="USD">592000</us-gaap:FiniteLivedIntangibleAssetsGross>
    <us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
      contextRef="AsOf2021-12-31_custom_SoftwareMember"
      decimals="-3"
      unitRef="USD">-415000</us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization>
    <us-gaap:FiniteLivedIntangibleAssetsNet
      contextRef="AsOf2021-12-31_custom_SoftwareMember"
      decimals="-3"
      unitRef="USD">177000</us-gaap:FiniteLivedIntangibleAssetsNet>
    <us-gaap:FiniteLivedIntangibleAssetsGross
      contextRef="AsOf2020-12-31_custom_SoftwareMember"
      decimals="-3"
      unitRef="USD">418000</us-gaap:FiniteLivedIntangibleAssetsGross>
    <us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
      contextRef="AsOf2020-12-31_custom_SoftwareMember"
      decimals="-3"
      unitRef="USD">-411000</us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization>
    <us-gaap:FiniteLivedIntangibleAssetsNet
      contextRef="AsOf2020-12-31_custom_SoftwareMember"
      decimals="-3"
      unitRef="USD">7000</us-gaap:FiniteLivedIntangibleAssetsNet>
    <us-gaap:FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1 contextRef="From2021-01-012021-12-31_us-gaap_CustomerRelationshipsMember">P10Y</us-gaap:FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1>
    <us-gaap:FiniteLivedIntangibleAssetsGross
      contextRef="AsOf2021-12-31_us-gaap_CustomerRelationshipsMember"
      decimals="-3"
      unitRef="USD">3370000</us-gaap:FiniteLivedIntangibleAssetsGross>
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      contextRef="AsOf2021-12-31_us-gaap_CustomerRelationshipsMember"
      decimals="-3"
      unitRef="USD">-3089000</us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization>
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      contextRef="AsOf2021-12-31_us-gaap_CustomerRelationshipsMember"
      decimals="-3"
      unitRef="USD">281000</us-gaap:FiniteLivedIntangibleAssetsNet>
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      contextRef="AsOf2020-12-31_us-gaap_CustomerRelationshipsMember"
      decimals="-3"
      unitRef="USD">3370000</us-gaap:FiniteLivedIntangibleAssetsGross>
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      contextRef="AsOf2020-12-31_us-gaap_CustomerRelationshipsMember"
      decimals="-3"
      unitRef="USD">-2910000</us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization>
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      decimals="-3"
      unitRef="USD">460000</us-gaap:FiniteLivedIntangibleAssetsNet>
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    <us-gaap:FiniteLivedIntangibleAssetsNet contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">894000</us-gaap:FiniteLivedIntangibleAssetsNet>
    <us-gaap:FiniteLivedIntangibleAssetsGross contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">4530000</us-gaap:FiniteLivedIntangibleAssetsGross>
    <us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">-3655000</us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization>
    <us-gaap:FiniteLivedIntangibleAssetsNet contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">875000</us-gaap:FiniteLivedIntangibleAssetsNet>
    <us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_89D_eus-gaap--ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_zYkY4XahMZy5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
following table summarizes the expected amortization over the next five years for our definite-lived intangible assets:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;span style="font-size: 10pt"&gt;&lt;span id="xdx_8B8_zKPaHTqyQg78" style="display: none"&gt;SCHEDULE
OF FINITE LIVED INTANGIBLE ASSETS, FUTURE AMORTIZATION EXPENSE&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 40%; margin-right: auto"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_493_20211231_zBDhF3LjvIq6" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amount&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Year&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(In
    thousands)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_404_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 66%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 30%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;233&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40B_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;192&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40C_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;61&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_406_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;14&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;11&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock>
    <us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">233000</us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths>
    <us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">192000</us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo>
    <us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">61000</us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree>
    <us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">14000</us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour>
    <us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">11000</us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive>
    <us-gaap:AmortizationOfIntangibleAssets
      contextRef="From2021-01-01to2021-12-31"
      decimals="0"
      unitRef="USD">211000</us-gaap:AmortizationOfIntangibleAssets>
    <us-gaap:AmortizationOfIntangibleAssets
      contextRef="From2020-01-012020-12-31"
      decimals="0"
      unitRef="USD">239000</us-gaap:AmortizationOfIntangibleAssets>
    <us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_80A_eus-gaap--DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_zGDDicfdVBD3" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;NOTE
6&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_828_zo9ovGsPeL11"&gt;CAPITAL
STOCK, STOCK PLANS, WARRANTS AND STOCK BASED COMPENSATION&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Stock
Option Plans&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company&#x2019;s 2003 Outside Directors Stock Plan (the &#x201c;2003 Plan&#x201d;) provides for the grant of Non-Qualified Stock Options
(&#x201c;NQSOs&#x201d;) to member of the Company&#x2019;s Board who is not an employee of the Company or its subsidiaries (&#x201c;Eligible
Director&#x201d;). On July 20, 2021, the Company&#x2019;s stockholders approved an amendment (the &#x201c;Amendment&#x201d;) to the 2003
Plan which provided the following, among other things: i) authorizes an additional &lt;span id="xdx_90C_eus-gaap--CommonStockSharesAuthorized_iI_c20210720__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember_zOdwU4ezXlv6" title="Common stock, shares authorized"&gt;500,000&lt;/span&gt; shares of the Company&#x2019;s common stock,
par value $&lt;span id="xdx_90A_eus-gaap--CommonStockParOrStatedValuePerShare_iI_c20210720__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember_zTPF6FKGd78k" title="Common stock, par value"&gt;0.001&lt;/span&gt; per share (the &#x201c;Common Stock&#x201d;) for issuance under the 2003 Plan, (ii) increases (a) the number of shares
of Common Stock subject to the automatic option grant made to each Eligible Director upon initial election, from &lt;span id="xdx_909_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_c20210720__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember__srt--TitleOfIndividualAxis__srt--DirectorMember__srt--RangeAxis__srt--MinimumMember__srt--StatementScenarioAxis__custom--ElectionMember_zkQwTOG3zzkg" title="Number of share based compensation award"&gt;6,000&lt;/span&gt; to &lt;span id="xdx_90A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_c20210720__srt--TitleOfIndividualAxis__srt--DirectorMember__srt--RangeAxis__srt--MaximumMember__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember__srt--StatementScenarioAxis__custom--ElectionMember_z0ik0I9DabAk" title="Number of share based compensation award"&gt;20,000&lt;/span&gt; shares,
and (b) the number of shares of Common Stock subject to the automatic option grant made to each Eligible Director upon reelection, from
&lt;span id="xdx_900_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_c20210720__srt--TitleOfIndividualAxis__srt--DirectorMember__srt--RangeAxis__srt--MinimumMember__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember__srt--StatementScenarioAxis__custom--ReelectionMember_zOSdcyS51fMa"&gt;2,400&lt;/span&gt; to &lt;span id="xdx_905_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_c20210720__srt--TitleOfIndividualAxis__srt--DirectorMember__srt--RangeAxis__srt--MaximumMember__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember__srt--StatementScenarioAxis__custom--ReelectionMember_z4D6S6yq4HQ1"&gt;10,000&lt;/span&gt; shares, (iii) amends the vesting period of options granted under the 2003 Plan, from a &lt;span id="xdx_90C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_dtMxL_c20210718__20210720__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember_zy2XJHcn2ixh" title="Vesting period::XDX::6"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1171"&gt;six&lt;/span&gt;&lt;/span&gt;-month vesting period to &lt;span id="xdx_904_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_dp_uPure_c20210718__20210720__us-gaap--PlanNameAxis__custom--TwoThousandThreeStockPlanMember_zgrPyrjB4j06" title="Vesting percentage"&gt;25%&lt;/span&gt;
per year, beginning on the first anniversary date of the grant, and (iv) provides for acceleration of vesting under certain conditions.
The exercise price of options to be granted under the 2003 Plan continues to equal to the closing trade price on the date prior to the
grant date. &lt;span id="xdx_90A_ecustom--PercentageOfDirectorsFeesDescription_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandThreeOutsideDirectorsStockPlanMember" title="Percentage of directors fees, description"&gt;The 2003 Plan continues to provide for the issuance to each Eligible Director a number of shares of the Company&#x2019;s Common
Stock in lieu of 65% or 100% (based on option elected by each director) of the fee payable to the Eligible Director for services rendered
as a member of the Board. The number of shares issued is determined at 75% of the market value as defined in the 2003 Plan (the Company
recognizes 100% of the market value of the shares issued). &lt;/span&gt;The number of shares of the Company&#x2019;s Common Stock authorized under
the 2003 Plan is &lt;span id="xdx_90C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_c20211231__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember__us-gaap--PlanNameAxis__custom--TwoThousandThreeOutsideDirectorsStockPlanMember_pdd" title="Number of shares available for issuance"&gt;1,600,000&lt;/span&gt;. At December 31, 2021, the 2003 Plan had available for issuance &lt;span id="xdx_905_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_c20211231__us-gaap--PlanNameAxis__custom--TwoThousandThreeOutsideDirectorsStockPlanMember_zFSpSSevw2Mi" title="Shares remaining available for issuance"&gt;599,854&lt;/span&gt; shares.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company&#x2019;s 2017 Stock Option Plan (&#x201c;2017 Plan&#x201d;) authorizes the grant of options to officers and employees of the Company,
including any employee who is also a member of the Board, as well as to consultants of the Company. The 2017 Plan, as amended, authorizes
an aggregate grant of &lt;span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_c20211231__us-gaap--PlanNameAxis__custom--TwoThousandAndSeventeenStockOptionPlanMember__srt--TitleOfIndividualAxis__custom--OfficersAndEmployeesMember_pdd" title="Number of shares available for issuance"&gt;1,140,000&lt;/span&gt; NQSOs and Incentive Stock Options (&#x201c;ISOs&#x201d;). Consultants of the Company can only be granted
NQSOs. &lt;span id="xdx_90D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandAndSeventeenStockOptionPlanMember_zy8kwjHRfX8k" title="Stock option granted, description"&gt;The term of each stock option granted under the 2017 Plan shall be fixed by the Compensation Committee, but no stock options will
be exercisable more than ten years after the grant date, or in the case of an ISO granted to a 10% stockholder, five years after the
grant date. The exercise price of any ISO granted under the 2017 Plan to an individual who is not a 10% stockholder at the time of the
grant shall not be less than the fair market value of the shares at the time of the grant, and the exercise price of any ISO granted
to a 10% stockholder shall not be less than 110% of the fair market value at the time of grant.&lt;/span&gt; The exercise price of any NQSOs granted
under the plan shall not be less than the fair market value of the shares at the time of grant. At December 31, 2021, the 2017 Plan had
available for issuance &lt;span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_c20211231__us-gaap--PlanNameAxis__custom--TwoThousandAndSeventeenStockOptionPlanMember_pdd" title="Shares remaining available for issuance"&gt;344,000&lt;/span&gt; shares.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company&#x2019;s 2010 Stock Option Plan (&#x201c;2010 Plan&#x201d;) expired on September 29, 2020; however, an option (ISO) issued under
the 2010 Plan prior to the expiration of the 2010 Plan for the purchase of up to &lt;span id="xdx_90F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20210928__20210929__us-gaap--PlanNameAxis__custom--TwoThousandTenStockOptionPlanMember_pdd" title="Number of stock option shares granted"&gt;50,000&lt;/span&gt; shares of our Common Stock at $&lt;span id="xdx_90F_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210928__20210929__us-gaap--PlanNameAxis__custom--TwoThousandTenStockOptionPlanMember_pdd" title="Stock options, exercise price"&gt;3.97&lt;/span&gt; per share
remains in effect until the earlier of the exercise date by the optionee or the maturity date of &lt;span id="xdx_90F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate_dd_c20210928__20210929__us-gaap--PlanNameAxis__custom--TwoThousandTenStockOptionPlanMember_zgJ9wAXaLBF8" title="Stock options, expiration date"&gt;May 15, 2022&lt;/span&gt;.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Stock
Options to Employees and Outside Director&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;On
October 14, 2021, the Company granted ISOs to certain employees for the purchase, under the Company&#x2019;s 2017 Plan, of up to an aggregate
&lt;span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20211013__20211014__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember__srt--RangeAxis__srt--MaximumMember_z2vtiJTgWH55"&gt;305,000&lt;/span&gt; shares of the Company&#x2019;s Common Stock. The total ISOs granted included an ISO for each of the Company&#x2019;s executive
officers for the purchase set forth in his respective ISO Agreement, as follows: &lt;span id="xdx_905_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20211012__20211014__srt--TitleOfIndividualAxis__srt--ChiefExecutiveOfficerMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember_z1wjEbukCoQj" title="Shares Options Granted"&gt;50,000&lt;/span&gt; shares for the CEO; &lt;span id="xdx_900_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20211012__20211014__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember_zxJG53f7fO0e"&gt;25,000&lt;/span&gt; shares for the CFO;
&lt;span id="xdx_909_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20211012__20211014__srt--TitleOfIndividualAxis__custom--EVPOfStrategicInitiativesMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember_zvDcQknlV8qh"&gt;20,000&lt;/span&gt; shares for the EVP of Strategic Initiatives; &lt;span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20211012__20211014__srt--TitleOfIndividualAxis__custom--EVPofWasteTreatmentOperationsMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember_zttpVb7Yg7Bb"&gt;25,000&lt;/span&gt; shares for the EVP of Waste Treatment Operations; and &lt;span id="xdx_90C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20211012__20211014__srt--TitleOfIndividualAxis__custom--EVPofNuclearandTechnicalServicesMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember_zpwRMRO8sVc9"&gt;25,000&lt;/span&gt; shares for the
EVP of Nuclear and Technical Services. Each of the ISOs granted has a contractual term of &lt;span id="xdx_901_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dc_c20211012__20211014__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember_zY3se7tbiWc1" title="Stock options granted contractual term"&gt;six years&lt;/span&gt; with &lt;span id="xdx_90F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights_c20211012__20211014__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember_zjGqn6QgYWO1" title="Vesting, description"&gt;one-fifth yearly vesting over
a five-year period&lt;/span&gt;. The exercise price of the ISO is $&lt;span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice_c20211012__20211014__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockPlanMember__us-gaap--TypeOfArrangementAxis__custom--IncentiveStockOptionAgreementMember_zBqoQodDkWDl" title="Exercise price"&gt;7.005&lt;/span&gt; per share, which was equal to the fair market value of the Company&#x2019;s
Common Stock on the date of grant.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;On
July 20, 2021, the Company issued a NQSO to each of the Company&#x2019;s seven reelected outside directors for the purchase, under the
Company&#x2019;s 2003 Plan, of up to &lt;span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20210718__20210720__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_z0JC5ik5ubre" title="Number of stock option shares granted"&gt;10,000&lt;/span&gt; shares of the Company&#x2019;s Common Stock. Each NQSO granted has for a contractual term of
&lt;span id="xdx_901_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dc_c20210718__20210720__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zEy6vpLULlb2" title="Stock options granted contractual term"&gt;ten years&lt;/span&gt; with &lt;span id="xdx_900_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights_c20210718__20210720__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zN0ocqHqE57c"&gt;one-fourth vesting annually over a four-year period&lt;/span&gt;. The exercise price of the NQSO is $&lt;span id="xdx_90A_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210718__20210720__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zGGIibc6fXi4" title="Stock options, exercise price"&gt;5.93&lt;/span&gt; per share, which was equal
to the fair market value of the Company&#x2019;s Common Stock the day preceding the grant date, pursuant to the 2003 Plan.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;On
May 4, 2021, the Company issued a NQSO to a new director elected by the Company&#x2019;s Board, for the purchase, under the Company&#x2019;s
2003 Plan, of up to &lt;span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20210502__20210504__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_z0YnbueMinOd" title="Number of stock option shares granted"&gt;6,000&lt;/span&gt; shares of the Company&#x2019;s Common Stock. The NQSO granted has a contractual term of &lt;span id="xdx_904_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dc_c20210502__20210504__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zUHXDSlisQyj" title="Stock options granted contractual term"&gt;ten years&lt;/span&gt; with a vesting
period of &lt;span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_dc_c20210502__20210504__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember_z0qSjcgV7cIb" title="Stock options granted vesting period"&gt;six months&lt;/span&gt;. The exercise price of the NQSO is $&lt;span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210502__20210504__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zqCxUB2sPyid" title="Stock options, exercise price"&gt;7.50&lt;/span&gt; per share, which was equal to the fair market value of the Company&#x2019;s
Common Stock the day preceding the grant date, pursuant to the 2003 Plan.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;On
August 10, 2020, the Company issued a NQSO from the Company&#x2019;s 2003 Plan to a new director elected by the Company&#x2019;s Board
to fill a vacancy on the Board, for the purchase of up to &lt;span id="xdx_909_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20210808__20210810__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zzM8Is0CaSbk" title="Number of stock option shares granted"&gt;6,000&lt;/span&gt; shares of the Company&#x2019;s Common Stock. The NQSO granted has for
a contractual term of &lt;span id="xdx_903_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dc_c20210808__20210810__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_z8A1u9DtX2Q4" title="Stock options granted contractual term"&gt;ten years&lt;/span&gt; with a vesting period of &lt;span id="xdx_902_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_dc_c20210808__20210810__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zCxSmE8fJCy8" title="Stock options granted vesting period"&gt;six months&lt;/span&gt;. The exercise price of the NQSO is $&lt;span id="xdx_909_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210808__20210810__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zhNyRcZ0h6J2" title="Stock options, exercise price"&gt;7.29&lt;/span&gt; per share, which was equal
to the Company&#x2019;s closing stock price per share the day preceding the grant date, pursuant to the 2003 Plan.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;On
July 22, 2020, the Company issued a NQSO to each of the Company&#x2019;s five reelected outside directors for the purchase, under the
Company&#x2019;s 2003 Plan, of up to &lt;span id="xdx_903_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20210715__20210722__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember_zonDcBrTUw1d" title="Number of stock option shares granted"&gt;2,400&lt;/span&gt; shares of the Company&#x2019;s Common Stock. Each NQSO granted has a contractual term of &lt;span id="xdx_903_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dc_c20210715__20210722__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember_zwMpDs6xkkCa" title="Stock options granted contractual term"&gt;ten
years&lt;/span&gt; with a vesting period of &lt;span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_dc_c20210715__20210722__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember_zosKGfOaiCNf" title="Stock options granted vesting period"&gt;six months&lt;/span&gt;. The exercise price of the NQSO is $&lt;span id="xdx_90D_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210715__20210722__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember_zLYLdRqgif93" title="Stock options, exercise price"&gt;6.70&lt;/span&gt; per share, which was equal to our closing stock price
the day preceding the grant date, pursuant to the 2003 Plan.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;On
February 4, 2020, the Company issued a NQSO from the Company&#x2019;s 2003 Plan to a new director elected by the Company&#x2019;s Board
to fill a vacancy on the Board, for the purchase of up to &lt;span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20210202__20210204__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_z0II95UGN58l" title="Number of stock option shares granted"&gt;6,000&lt;/span&gt; shares of the Company&#x2019;s Common Stock. The NQSO granted has a contractual
term of &lt;span id="xdx_907_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dc_c20210202__20210204__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zyrKP3VFmty4" title="Stock options granted contractual term"&gt;ten years&lt;/span&gt; with a vesting period of &lt;span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_dc_c20210202__20210204__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zM7r0wyUKNE7" title="Stock options granted vesting period"&gt;six months&lt;/span&gt;. The exercise price of the options is $&lt;span id="xdx_90D_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210202__20210204__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember__us-gaap--AwardTypeAxis__custom--NonQualifiedStockOptionsMember_zyIwkWoQlQad" title="Stock options, exercise price"&gt;7.00&lt;/span&gt; per share, which was equal to the Company&#x2019;s
closing stock price per share the day preceding the grant date, pursuant to the 2003 Plan.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;During
2021, the Company issued &lt;span id="xdx_90A_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_pid_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember_zTpRHHzW6yO7" title="Issuance of common stock from cashless exercise"&gt;290&lt;/span&gt; shares of its Common Stock from a cashless exercise of an option for the purchase of &lt;span id="xdx_907_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_pp0p0_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember_zoQNaySwDZD5" title="Issuance of common stock from cashless exercise"&gt;500&lt;/span&gt; shares of the Company&#x2019;s
Common Stock at $&lt;span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember_z9mXMQ8TYfD1" title="Stock options, exercise price"&gt;3.15&lt;/span&gt; per share. During 2020, the Company issued &lt;span id="xdx_90E_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_c20200101__20201231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember_z9nVYA11jtkf" title="Issuance of common stock from cashless exercise"&gt;2,000&lt;/span&gt; shares of its Common Stock resulting from the exercise of options
from the Company&#x2019;s 2017 Plan for total proceeds of $&lt;span id="xdx_900_eus-gaap--ProceedsFromStockOptionsExercised_pp0p0_c20200101__20201231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember_z0Gzmtbw5EH7" title="Proceeds from exercise of stock options"&gt;6,300&lt;/span&gt;. Additionally, the Company issued &lt;span id="xdx_908_eus-gaap--StockIssuedDuringPeriodSharesNewIssues_pid_c20200101__20201231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember_zAeh0YYNlKs4" title="Issuance of common stock from cashless exercise"&gt;1,884&lt;/span&gt; shares of its Common Stock from
cashless exercises of &lt;span id="xdx_90D_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_c20200101__20201231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember__us-gaap--AwardTypeAxis__custom--FirstSeparateOptionsMember_zf3vzl8qEiZ9" title="Issuance of common stock from cashless exercise"&gt;8,000&lt;/span&gt; and &lt;span id="xdx_902_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_c20200101__20201231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember__us-gaap--AwardTypeAxis__custom--SecondSeparateOptionsMember_zAKS3GLGlK41" title="Issuance of common stock from cashless exercise"&gt;2,500&lt;/span&gt; options at $&lt;span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_pid_c20200101__20201231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember__us-gaap--AwardTypeAxis__custom--FirstSeparateOptionsMember_zFdynnMqjvn1" title="Stock options, exercise price"&gt;3.60&lt;/span&gt; per share and $&lt;span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandSeventeenStockOptionPlanMember__us-gaap--AwardTypeAxis__custom--SecondSeparateOptionsMember_zqC77MIvUKqd" title="Stock options, exercise price"&gt;3.15&lt;/span&gt; per share, respectively.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company estimates fair value of stock options using the Black-Scholes valuation model. Assumptions used to estimate the fair value of
stock options granted include the exercise price of the award, the expected term, the expected volatility of the Company&#x2019;s stock
over the option&#x2019;s expected term, the risk-free interest rate over the option&#x2019;s expected term, and the expected annual dividend
yield. The fair value of the options granted during 2020 and 2019 and the related assumptions used in the Black-Scholes option model
used to value the options granted were as follows. No options were granted to employees in 2020:&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_891_eus-gaap--ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_zEKjcYp6fDf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8B0_zWTfLDtnKWU6" style="display: none"&gt;SCHEDULE OF SHARE-BASED PAYMENT AWARD, STOCK OPTIONS, VALUATION ASSUMPTIONS&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 60%; margin-left: 0.5in"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Employee Stock&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Option
    Granted&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 71%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted-average fair value per share&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 25%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice_iI_pid_c20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_ztfP9n5DB5Xc" title="Weighted-average fair value per option"&gt;3.51&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Risk -free interest rate &lt;sup&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_90A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_fKDEp_zKXGcbeBJo33" title="Risk -free interest rate"&gt;1.05&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Expected volatility of stock
    &lt;sup&gt;(2)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_902_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_fKDIp_zUGNJZ4qkdE9" title="Expected volatility of stock"&gt;58.61&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Dividend yield&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_pid_dpn_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_zRKqbMT29Ach" title="Dividend yield"&gt;None&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Expected option life &lt;sup&gt;(3)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_902_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20210101__20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_fKDMp_zfY2FwoV5Syl" title="Expected option life"&gt;5.0&lt;/span&gt;
                                            years&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;


&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 40.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Outside
    Director Stock Options Granted&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 59%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted-average fair value per share&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 17%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice_iI_pid_c20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_z7eZGwRIvgne" title="Weighted-average fair value per option"&gt;3.9&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 17%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_90D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice_iI_pid_c20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_zBBTtvZffvdi" title="Weighted-average fair value per option"&gt;4.66&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span id="xdx_F46_zERZLtKFwozc" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Risk -free interest rate &lt;sup&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MinimumMember_fKDEp_zjwO8C9UhL7g" title="Risk -free interest rate"&gt;1.23%&lt;/span&gt;-&lt;span id="xdx_90E_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MaximumMember_fKDEp_zjOEDBNAlrO3" title="Risk -free interest rate"&gt;1.61&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;%&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span id="xdx_90A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MinimumMember_fKDEp_zjDaXnvtXVy2" title="Risk -free interest rate"&gt;0.59%&lt;/span&gt;-&lt;span id="xdx_905_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MaximumMember_fKDEp_zrlF6mKbsZD3" title="Risk -free interest rate"&gt;1.61&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;%&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span id="xdx_F45_zAA7ZGTl3qTf" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Expected volatility of stock
    &lt;sup&gt;(2)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MinimumMember_fKDIp_zPTcxoOf52jc" title="Expected volatility of stock"&gt;55.84%&lt;/span&gt;-&lt;span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MaximumMember_fKDIp_zthVOsjWTt18" title="Expected volatility of stock"&gt;55.91&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;%&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MinimumMember_fKDIp_zSH5PNM2c34f" title="Expected volatility of stock"&gt;55.83%&lt;/span&gt;-&lt;span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MaximumMember_fKDIp_zUoFpCBpEZx6" title="Expected volatility of stock"&gt;56.68&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Dividend yield&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_pid_dpn_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_fKDEp_zsuH9keRrwpb" title="Dividend yield"&gt;None&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_pid_dpn_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_fKDEp_z5QeRkaNMyAj" title="Dividend yield"&gt;None&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span id="xdx_F4B_ze9RORizdqpi" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Expected option life &lt;sup&gt;(3)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span id="xdx_90E_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_fKDMp_z2cJes6XCti7" title="Expected option life"&gt;10.0&lt;/span&gt;
                                            years&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span id="xdx_907_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_fKDMp_zs9rFipQzB5a" title="Expected option life"&gt;10.0&lt;/span&gt;
                                            years&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 4.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"&gt;
&lt;tr style="vertical-align: top"&gt;
  &lt;td style="text-align: justify; padding-left: 10pt; text-indent: -10pt; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F00_zSeoQ8WEQRTb"&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
  &lt;td style="text-align: justify"&gt;&lt;span id="xdx_F12_zp4nCr8LvZRb" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The risk-free interest rate is based on the U.S. Treasury yield
in effect at the grant date over the expected term of the option.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;


&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -49.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"&gt;
&lt;tr style="vertical-align: top"&gt;
  &lt;td style="text-align: left; padding-left: 10pt; text-indent: -10pt; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F0B_zJjrsTZPnir5"&gt;(2)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
  &lt;td style="text-align: left"&gt;&lt;span id="xdx_F19_zGq0yE3hNQz3" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The expected volatility is based on historical volatility from
our traded Common Stock over the expected term of the option.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;


&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -49.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"&gt;
&lt;tr style="vertical-align: top"&gt;
  &lt;td style="text-align: left; padding-left: 10pt; text-indent: -10pt; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F06_zSFNCsKyYwKk"&gt;(3)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
  &lt;td style="text-align: left"&gt;&lt;span id="xdx_F10_zN4Ftj7FyPe5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The expected option life is based on historical exercises and
post-vesting data.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;


&lt;p id="xdx_8AA_z5TnAF4usU8c" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_897_eus-gaap--ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_zCJ8oFjBsVg9" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
following table summarizes stock-based compensation recognized for fiscal years 2021 and 2020.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8B1_zEl2lTgT7RF8" style="display: none"&gt;SCHEDULE OF SHARE-BASED COMPENSATION, ALLOCATION OF RECOGNIZED PERIOD COSTS&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 60%; margin-right: auto"&gt;
  &lt;tr style="display: none; font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_494_20210101__20211231_zW02Mh2RNRyl" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_495_20200101__20201231_z0mjQJyo4F2b" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Year
    Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40C_eus-gaap--ShareBasedCompensation_pp0p0_hus-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_z47mQM4mOB35" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Employee Stock Options&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;178,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;132,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--ShareBasedCompensation_pp0p0_hus-gaap--AwardTypeAxis__custom--DirectorStockOptionsMember_z13cY7sGYwKb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Director Stock Options&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;72,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;104,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40C_eus-gaap--ShareBasedCompensation_pp0p0_zv0aHTbbIFrj" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;250,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;236,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;

&lt;p id="xdx_8A8_zGJOzjy6JqZ1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 94.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;At
December 31, 2021, the Company has approximately $&lt;span id="xdx_905_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_iI_pp0p0_c20211231__srt--TitleOfIndividualAxis__custom--EmployeeAndDirectorsMember_z0oK5s72SAal" title="Unrecognized compensation cost related to unvested options consultant"&gt;1,389,000&lt;/span&gt; of total unrecognized compensation costs related to unvested options for
employee and directors. The weighted average period over which the unrecognized compensation costs are expected to be recognized is approximately
&lt;span id="xdx_90E_ecustom--WeightedAverageTermForUnrecognizedAndUnvestedOptionToBeRecognized_dtY_c20210101__20211231__srt--TitleOfIndividualAxis__custom--EmployeeAndDirectorsMember_z48Z7nQK8qcf" title="Weighted average term for unrecognized and unvested option to be recognized"&gt;4.3&lt;/span&gt; years.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Stock
Options to Consultant&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company granted a NQSO to Robert Ferguson on July 27, 2017 from the Company&#x2019;s 2017 Plan for the purchase of up to &lt;span id="xdx_900_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20170726__20170727__us-gaap--PlanNameAxis__custom--TwoThousandAndSeventeenStockOptionPlanMember__srt--TitleOfIndividualAxis__custom--ConsultantMember_zC425oJcjo85" title="Number of stock option shares granted"&gt;100,000&lt;/span&gt; shares
of the Company&#x2019;s Common Stock (&#x201c;Ferguson Stock Option&#x201d;) in connection with his work as a consultant to the Company&#x2019;s
Test Bed Initiative (&#x201c;TBI&#x201d;) at our PFNWR facility at an exercise price of $&lt;span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20170726__20170727__us-gaap--PlanNameAxis__custom--TwoThousandAndSeventeenStockOptionPlanMember__srt--TitleOfIndividualAxis__custom--ConsultantMember_zid2xt2COnFd" title="Stock options, exercise price"&gt;3.65&lt;/span&gt; per share, which was the fair market value
of the Company&#x2019;s Common Stock on the date of grant. The term of the Ferguson Stock Option is seven years from the grant date. The
vesting of the Ferguson Stock Option is subject to the achievement of three separate milestones by certain dates. The first milestone
was met and the shares under the first milestone were issued to Robert Ferguson in May 2018. The Company had previously entered into
amendments whereby the vesting dates for the second and third milestones for the purchase of up to &lt;span id="xdx_90F_ecustom--OptionsToPurchaseSharesOfCommonStock_c20170726__20170727__us-gaap--AwardTypeAxis__custom--FergusonStockOptionMember__srt--StatementScenarioAxis__custom--SecondMilestoneMember_z0U6RyOmZ1o8" title="Options to purchase shares"&gt;30,000&lt;/span&gt; and &lt;span id="xdx_90F_ecustom--OptionsToPurchaseSharesOfCommonStock_c20170726__20170727__us-gaap--AwardTypeAxis__custom--FergusonStockOptionMember__srt--StatementScenarioAxis__custom--ThirdMilestoneMember_zT4pfkPtmYQd" title="Options to purchase shares"&gt;60,000&lt;/span&gt; shares of the Company&#x2019;s
Common Stock were extended to December 31, 2021 and December 31, 2022, respectively. On January 20, 2022, the Company&#x2019;s Compensation
Committee and the Board further amended the vesting dates of the second and third milestones to December 31, 2022 and December 31, 2023,
respectively. This amendment was approved by the Compensation Committee and the Board to take effect December 31, 2021. The Company has
not recognized compensation costs (fair value of approximately $&lt;span id="xdx_902_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_c20211231__srt--TitleOfIndividualAxis__custom--RobertFergusonMember_pp0p0" title="Unrecognized compensation cost related to unvested options consultant"&gt;289,000&lt;/span&gt; at December 31, 2021) for the remaining &lt;span id="xdx_909_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_c20211231__srt--TitleOfIndividualAxis__custom--RobertFergusonMember_pdd" title="Remaining stock option"&gt;90,000&lt;/span&gt; Ferguson Stock
Option under the remaining two milestones since achievement of the performance obligation under each of the two remaining milestones
is uncertain at December 31, 2021. All other terms of the Ferguson Stock Option remain unchanged.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Summary
of Stock Option Plans&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_899_eus-gaap--ScheduleOfStockOptionsRollForwardTableTextBlock_zL1m3b8mu78k" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
summary of the Company&#x2019;s total plans as of December 31, 2021 and 2020, and changes during the period then ended are presented as
follows:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8BA_zHy05Sn8qpYa" style="display: none"&gt;SCHEDULE OF STOCK OPTIONS ROLL FORWARD&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Shares&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted
    Average Exercise Price&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted
    Average Remaining Contractual Term (years)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"&gt;&lt;span id="xdx_F5D_zbp9yPJr1o33" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Aggregate
                                            Intrinsic&lt;/span&gt;&lt;/p&gt;
                                                                               &lt;p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Value
                                            &lt;sup&gt;(4)&lt;/sup&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 40%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Options outstanding January 1, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iS_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zgGklyJ5wOV4" style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right" title="Shares Options Outstanding Beginning"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;658,400&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iS_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zmqpxNeI0r9c" style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right" title="Weighted Average Exercise Price Options Outstanding Beginning"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3.87&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Granted&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zQTwKlb4qGI" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Granted"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;381,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zNNPGvvLiEU3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Granted"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;6.82&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Exercised&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_iN_pid_di_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zy0fkmtS4QTh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Exercised"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(500&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zVyJBsyIp6z8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Exercised"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3.15&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_pp0p0_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQp_zL7xiyv7FSAh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Exercised"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2,175&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Forfeited/expired&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_iN_pid_di_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zh0L50Lc305f" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Forfeited/expired"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(19,500&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_ztnTiALJZOi2" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Forfeited/expired"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;6.75&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Options outstanding end
    of period &lt;sup&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iE_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zEzDJgPjzci5" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Outstanding Ending"&gt;&lt;span id="xdx_F2E_z3EwwXDOmmhl" style="font-family: Times New Roman, Times, Serif"&gt;1,019,400&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iE_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zUz9BAFaEY8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Outstanding Ending"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;4.91&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_901_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_dtY_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zTMQryDUwG7g" title="Weighted Average Remaining Contractual Term (years) Outstanding"&gt;4.0&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_iI_pp0p0_c20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQpKDEp_zhOpRoEJyob6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Outstanding"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,669,687&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Options exercisable at
    December 31, 2021&lt;sup&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_iI_pid_c20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zQjXjX3Q9iA2" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Exercisable"&gt;&lt;span id="xdx_F26_zoAebPHWvGW6" style="font-family: Times New Roman, Times, Serif"&gt;438,400&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_iI_pid_c20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zLmtSqUgADNl" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Exercisable"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3.95&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_909_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_dtY_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zoAfSipA6aEi" title="Weighted Average Remaining Contractual Term (years) Exercisable"&gt;2.7&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_iI_pp0p0_c20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQpKDEp_znE7zeyLP9Yl" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Exercisable"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,064,432&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Shares&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted
    Average Exercise Price&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted
    Average Remaining Contractual Term (years)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"&gt;&lt;span id="xdx_F54_zn5GUqkzICei" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Aggregate
                                            Intrinsic&lt;/span&gt;&lt;/p&gt;
                                                                               &lt;p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Value
                                            &lt;sup&gt;(4)&lt;/sup&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 40%; padding-left: 1.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Options outstanding January
    1, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iS_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_z766s3wt05Wc" style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right" title="Shares Options Outstanding Beginning"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;681,300&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iS_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zIPxXVHqXfJ7" style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right" title="Weighted Average Exercise Price Options Outstanding Beginning"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3.84&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 1.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Granted&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zdU3w2LbNF35" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Granted"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;24,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zkh7ZxLz4AFh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Granted"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;6.92&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 1.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Exercised&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_iN_pid_di_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zCpbeaObZOg4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Exercised"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(12,500&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_z6O1YEmlQHo2" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Exercised"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3.47&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_pp0d_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQp_zLCU7QOglEsi" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Exercised"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;16,060&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; padding-left: 1.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Forfeited/expired&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_iN_pid_di_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zADwWMYd8yHk" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Forfeited/expired"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(34,400&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_z6IQwBfutgd9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Forfeited/expired"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;5.52&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; padding-left: 1.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Options
    outstanding end of period &lt;sup&gt;(2)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iE_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDIp_zVH4SvzmNrI6" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Outstanding Ending"&gt;&lt;span id="xdx_F2C_zm85sdRjKiT2" style="font-family: Times New Roman, Times, Serif"&gt;658,400&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iE_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDIp_z1cNWm1iuKD9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Outstanding Ending"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3.87&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_90B_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_dtY_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDIp_zjGLWhU1JkD4" title="Weighted Average Remaining Contractual Term (years) Outstanding"&gt;3.5&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_iI_pp0p0_c20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQpKDIp_zeOBDNcWgHJe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Outstanding"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,426,143&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; padding-left: 1.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Options
    exercisable at December 31, 2020&lt;sup&gt;(3)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_iI_pid_c20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDMp_zCYFvFJtrid6" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Exercisable"&gt;&lt;span id="xdx_F24_zVruLGAWslCh" style="font-family: Times New Roman, Times, Serif"&gt;356,400&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_iI_pid_c20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDMp_zHDirnWD3Vqi" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Exercisable"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3.99&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_906_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_dtY_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDMp_zcCSotRAiIfl" title="Weighted Average Remaining Contractual Term (years) Exercisable"&gt;3.3&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_iI_pp0p0_c20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQpKDIp_zCyTN04BGRve" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Exercisable"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;732,163&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;


&lt;p style="margin: 0; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table border="0" cellpadding="0" cellspacing="0" style="width: 100%; font-family: Times New Roman, Times, Serif"&gt;
&lt;tr style="vertical-align: top"&gt;
  &lt;td style="width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F08_zz9BbCB6lkJk"&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
  &lt;td&gt;&lt;span id="xdx_F19_zDRJ3QYiCCIk" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Options with exercise prices ranging from $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90F_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share lower limit"&gt;2.79&lt;/span&gt; to $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share upper limit"&gt;7.50&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;


&lt;table border="0" cellpadding="0" cellspacing="0" style="width: 100%; font-family: Times New Roman, Times, Serif"&gt;
&lt;tr style="vertical-align: top"&gt;
  &lt;td style="width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F0E_zHczYqkZFGSj"&gt;(2)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
  &lt;td&gt;&lt;span id="xdx_F19_zPGJNml5oxE5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Options with exercise prices ranging from $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90A_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionExercisableMember_pdd" title="Stock option exercise price per share lower limit"&gt;2.79&lt;/span&gt; to $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_907_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionExercisableMember_pdd" title="Stock option exercise price per share upper limit"&gt;7.29&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;


&lt;table border="0" cellpadding="0" cellspacing="0" style="width: 100%; font-family: Times New Roman, Times, Serif"&gt;
&lt;tr style="vertical-align: top"&gt;
  &lt;td style="width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F04_zNVlKmbaS0Sf"&gt;(3)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
  &lt;td&gt;&lt;span id="xdx_F13_zBIGVxZsK5A" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Options with exercise prices ranging from $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90D_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_c20200101__20201231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share lower limit"&gt;2.79&lt;/span&gt; to $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_c20200101__20201231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share upper limit"&gt;7.05&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;


&lt;table border="0" cellpadding="0" cellspacing="0" style="width: 100%; font-family: Times New Roman, Times, Serif"&gt;
&lt;tr style="vertical-align: top"&gt;
  &lt;td style="text-align: justify; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F0B_z5T1y4vKpTd"&gt;(4)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
  &lt;td style="text-align: justify"&gt;&lt;span id="xdx_F16_zVTbHBEiWVY6" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The intrinsic value of a stock option is the amount by which
the market value of the underlying stock exceeds the exercise price &lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



&lt;p id="xdx_8AA_zHiTMGe6nN0j" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_899_ecustom--ScheduleOfNonVestedOptionsTableTextBlock_zopEghZeDt7a" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
summary of the Company&#x2019;s nonvested options as of December 31, 2021 and changes during the period then ended are presented as follows:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8BA_zNkGpRh9Fuwl" style="display: none"&gt;SCHEDULE OF NON VESTED OPTIONS&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 80%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted Average&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Grant-Date&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Shares&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Fair
    Value&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Non-vested options January 1, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_iS_pid_c20210101__20211231_zQYnGr52c0bl" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Shares non vested options, beginning"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;302,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_iS_pid_c20210101__20211231_z4oxn7GXA0Lk" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Weighted average grant date fair value non vested options, beginning"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1.94&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Granted&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20210101__20211231_zpMg959h6h82" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares non vested options, granted"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;381,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_pid_c20210101__20211231_zlplsmfZT4Gj" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted average grant date fair value non vested options, granted"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3.59&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Vested&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_iN_pid_di_c20210101__20211231_z16JqleBdI8l" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares non vested options, vested"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(100,500&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_pid_c20210101__20211231_zm6k7cbPNFB6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted average grant date fair value non vested options, Vested"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2.44&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Forfeited&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares_iN_pid_di_c20210101__20211231_zya1JJ7uJMIh" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares non vested options, forfeited"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(1,500&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue_pid_c20210101__20211231_ztDjmWn7duK1" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted average grant date fair value non vested options, forfeited"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1.42&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Non-vested options at December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_iE_pid_c20210101__20211231_z7a5mFBkfCbd" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares non vested options, ending"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;581,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_iE_pid_c20210101__20211231_zvMvpP3qSkw8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted average grant date fair value non vested options, ending"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3.13&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8A8_zPs4Np8arjhc" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Warrant&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;In
connection with a $&lt;span id="xdx_90F_eus-gaap--LoansPayable_iI_pp0p0_c20190402__srt--TitleOfIndividualAxis__custom--RobertFergusonMember_zKiexIvDuHB4" title="Loans payable"&gt;2,500,000&lt;/span&gt; loan that the Company executed April 1, 2019 with Mr. Robert Ferguson, the Company issued a Warrant to Mr.
Ferguson for the purchase of up to &lt;span id="xdx_903_eus-gaap--ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_iI_c20190402__srt--TitleOfIndividualAxis__custom--RobertFergusonMember_zw7I8VghDYH7" title="Warrant to purchase"&gt;60,000&lt;/span&gt; shares of our Common Stock at an exercise price of $&lt;span id="xdx_90E_eus-gaap--ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_iI_c20190402__srt--TitleOfIndividualAxis__custom--RobertFergusonMember_zFG3YuuBUIpb" title="Warrants exercise price"&gt;3.51&lt;/span&gt; per share. &lt;span id="xdx_908_ecustom--WarrantExercisableDescription_c20190330__20190402__srt--TitleOfIndividualAxis__custom--RobertFergusonMember_zZK9RXdpMymg" title="Warrant exercisable, description"&gt;The Warrant is exercisable
six months from April 1, 2019 and expires on April 1, 2024 and remains outstanding at December 31, 2021. The loan was paid-in-full by
the Company in December 2020.&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Common
Stock Issued for Services&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company issued a total of &lt;span id="xdx_908_eus-gaap--StockIssuedDuringPeriodSharesIssuedForServices_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandThreeOutsideDirectorsStockOptionPlanMember__us-gaap--StatementClassOfStockAxis__us-gaap--CommonStockMember_zEvDxXcpCjw" title="Stock issued during period for services, shares"&gt;60,723&lt;/span&gt; and &lt;span id="xdx_900_eus-gaap--StockIssuedDuringPeriodSharesIssuedForServices_c20200101__20201231__us-gaap--PlanNameAxis__custom--TwoThousandThreeOutsideDirectorsStockOptionPlanMember__us-gaap--StatementClassOfStockAxis__us-gaap--CommonStockMember_z5v1mfqzVxlf" title="Stock issued during period for services, shares"&gt;34,135&lt;/span&gt; shares of our Common Stock in 2021 and 2020, respectively, under our 2003 Plan to our outside
directors as compensation for serving on our Board. &lt;span id="xdx_908_ecustom--PercentageOfDirectorsFeesDescription_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandThreeOutsideDirectorsStockOptionPlanMember" title="Percentage of directors fees, description"&gt;As a member of the Board, each director elects to receive either 65% or 100% of the
director&#x2019;s fee in shares of our Common Stock. The number of shares received is calculated based on 75% of the fair market value
of our Common Stock determined on the business day immediately preceding the date that the quarterly fee is due.&lt;/span&gt; The balance of each
director&#x2019;s fee, if any, is payable in cash. The Company recorded approximately $&lt;span id="xdx_902_eus-gaap--AllocatedShareBasedCompensationExpense_pp0p0_c20210101__20211231__us-gaap--NatureOfExpenseAxis__custom--PortionOfDirectorFeeEarnedInCommonStockMember__us-gaap--PlanNameAxis__custom--The2003OutsideDirectorsStockPlanMember_zbmhE2p9igw5" title="Allocated share-based compensation expense"&gt;467,000&lt;/span&gt; and $&lt;span id="xdx_90A_eus-gaap--AllocatedShareBasedCompensationExpense_c20200101__20201231__us-gaap--NatureOfExpenseAxis__custom--PortionOfDirectorFeeEarnedInCommonStockMember__us-gaap--PlanNameAxis__custom--The2003OutsideDirectorsStockPlanMember_pp0p0" title="Allocated share-based compensation expense"&gt;250,000&lt;/span&gt; in compensation expense (included
in SG&amp;amp;A expenses) for the twelve months ended December 31, 2021 and 2020, respectively, for the portion of director fees earned in
the Company&#x2019;s Common Stock.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Sale
of Common Stock&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;On
September 30, 2021, the Company entered into subscription agreements with certain institutional and retail investors in a registered
direct offering, for the sale and issuance of &lt;span id="xdx_906_eus-gaap--SaleOfStockNumberOfSharesIssuedInTransaction_c20210928__20210930__us-gaap--TypeOfArrangementAxis__custom--SubscriptionAgreementsMember_zy6f974j2Bbc" title="Number of sale shares issuance"&gt;1,000,000&lt;/span&gt; shares of the Company&#x2019;s Common Stock (See &#x201c;Note 7 &#x2013; Common
Stock Subscription Agreement&#x201d; for a discussion of the issuance of the shares from this direct offering).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; text-align: left; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Shares
Reserved&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;At
December 31, 2021, the Company has reserved approximately &lt;span id="xdx_907_eus-gaap--CommonStockCapitalSharesReservedForFutureIssuance_iI_c20211231__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember_z85bjbIGJqvb" title="Number of common shares reserved for future issuance"&gt;1,019,400&lt;/span&gt; shares of our Common Stock for future issuance under all of the option
arrangements.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

</us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock>
    <us-gaap:CommonStockSharesAuthorized
      contextRef="AsOf2021-07-20_custom_TwoThousandThreeStockPlanMember"
      decimals="INF"
      unitRef="Shares">500000</us-gaap:CommonStockSharesAuthorized>
    <us-gaap:CommonStockParOrStatedValuePerShare
      contextRef="AsOf2021-07-20_custom_TwoThousandThreeStockPlanMember"
      decimals="INF"
      unitRef="USDPShares">0.001</us-gaap:CommonStockParOrStatedValuePerShare>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
      contextRef="AsOf2021-07-20_custom_TwoThousandThreeStockPlanMember_srt_DirectorMember_srt_MinimumMember_custom_ElectionMember"
      decimals="INF"
      unitRef="Shares">6000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
      contextRef="AsOf2021-07-20_srt_DirectorMember_srt_MaximumMember_custom_TwoThousandThreeStockPlanMember_custom_ElectionMember"
      decimals="INF"
      unitRef="Shares">20000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
      contextRef="AsOf2021-07-20_srt_DirectorMember_srt_MinimumMember_custom_TwoThousandThreeStockPlanMember_custom_ReelectionMember"
      decimals="INF"
      unitRef="Shares">2400</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
      contextRef="AsOf2021-07-20_srt_DirectorMember_srt_MaximumMember_custom_TwoThousandThreeStockPlanMember_custom_ReelectionMember"
      decimals="INF"
      unitRef="Shares">10000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
      contextRef="From2021-07-182021-07-20_custom_TwoThousandThreeStockPlanMember"
      decimals="INF"
      unitRef="Pure">0.25</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage>
    <PESI:PercentageOfDirectorsFeesDescription contextRef="From2021-01-012021-12-31_custom_TwoThousandThreeOutsideDirectorsStockPlanMember">The 2003 Plan continues to provide for the issuance to each Eligible Director a number of shares of the Company&#x2019;s Common
Stock in lieu of 65% or 100% (based on option elected by each director) of the fee payable to the Eligible Director for services rendered
as a member of the Board. The number of shares issued is determined at 75% of the market value as defined in the 2003 Plan (the Company
recognizes 100% of the market value of the shares issued).</PESI:PercentageOfDirectorsFeesDescription>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
      contextRef="AsOf2021-12-31_us-gaap_CommonStockMember_custom_TwoThousandThreeOutsideDirectorsStockPlanMember"
      decimals="INF"
      unitRef="Shares">1600000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
      contextRef="AsOf2021-12-31_custom_TwoThousandThreeOutsideDirectorsStockPlanMember"
      decimals="INF"
      unitRef="Shares">599854</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
      contextRef="AsOf2021-12-31_custom_TwoThousandAndSeventeenStockOptionPlanMember_custom_OfficersAndEmployeesMember"
      decimals="INF"
      unitRef="Shares">1140000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription contextRef="From2021-01-012021-12-31_custom_TwoThousandAndSeventeenStockOptionPlanMember">The term of each stock option granted under the 2017 Plan shall be fixed by the Compensation Committee, but no stock options will
be exercisable more than ten years after the grant date, or in the case of an ISO granted to a 10% stockholder, five years after the
grant date. The exercise price of any ISO granted under the 2017 Plan to an individual who is not a 10% stockholder at the time of the
grant shall not be less than the fair market value of the shares at the time of the grant, and the exercise price of any ISO granted
to a 10% stockholder shall not be less than 110% of the fair market value at the time of grant.</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
      contextRef="AsOf2021-12-31_custom_TwoThousandAndSeventeenStockOptionPlanMember"
      decimals="INF"
      unitRef="Shares">344000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
      contextRef="From2021-09-282021-09-29_custom_TwoThousandTenStockOptionPlanMember"
      decimals="INF"
      unitRef="Shares">50000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
      contextRef="From2021-09-282021-09-29_custom_TwoThousandTenStockOptionPlanMember"
      decimals="INF"
      unitRef="USDPShares">3.97</us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate contextRef="From2021-09-282021-09-29_custom_TwoThousandTenStockOptionPlanMember">2022-05-15</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
      contextRef="From2021-10-132021-10-14_custom_TwoThousandSeventeenStockPlanMember_srt_MaximumMember"
      decimals="INF"
      unitRef="Shares">305000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
      contextRef="From2021-10-122021-10-14_srt_ChiefExecutiveOfficerMember_custom_IncentiveStockOptionAgreementMember_custom_TwoThousandSeventeenStockPlanMember"
      decimals="INF"
      unitRef="Shares">50000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
      contextRef="From2021-10-122021-10-14_srt_ChiefFinancialOfficerMember_custom_IncentiveStockOptionAgreementMember_custom_TwoThousandSeventeenStockPlanMember"
      decimals="INF"
      unitRef="Shares">25000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
      contextRef="From2021-10-122021-10-14_custom_EVPOfStrategicInitiativesMember_custom_IncentiveStockOptionAgreementMember_custom_TwoThousandSeventeenStockPlanMember"
      decimals="INF"
      unitRef="Shares">20000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
      contextRef="From2021-10-122021-10-14_custom_EVPofWasteTreatmentOperationsMember_custom_IncentiveStockOptionAgreementMember_custom_TwoThousandSeventeenStockPlanMember"
      decimals="INF"
      unitRef="Shares">25000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
      contextRef="From2021-10-122021-10-14_custom_EVPofNuclearandTechnicalServicesMember_custom_IncentiveStockOptionAgreementMember_custom_TwoThousandSeventeenStockPlanMember"
      decimals="INF"
      unitRef="Shares">25000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1 contextRef="From2021-10-122021-10-14_custom_TwoThousandSeventeenStockPlanMember_custom_IncentiveStockOptionAgreementMember">P6Y</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights contextRef="From2021-10-122021-10-14_custom_TwoThousandSeventeenStockPlanMember_custom_IncentiveStockOptionAgreementMember">one-fifth yearly vesting over
a five-year period</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice
      contextRef="From2021-10-122021-10-14_custom_TwoThousandSeventeenStockPlanMember_custom_IncentiveStockOptionAgreementMember"
      decimals="INF"
      unitRef="USDPShares">7.005</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
      contextRef="From2021-07-182021-07-20_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember"
      decimals="INF"
      unitRef="Shares">10000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1 contextRef="From2021-07-182021-07-20_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember">P10Y</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights contextRef="From2021-07-182021-07-20_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember">one-fourth vesting annually over a four-year period</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights>
    <us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
      contextRef="From2021-07-182021-07-20_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember"
      decimals="INF"
      unitRef="USDPShares">5.93</us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
      contextRef="From2021-05-022021-05-04_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember"
      decimals="INF"
      unitRef="Shares">6000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1 contextRef="From2021-05-022021-05-04_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember">P10Y</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1 contextRef="From2021-05-022021-05-04_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember">P6M</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1>
    <us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
      contextRef="From2021-05-022021-05-04_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember"
      decimals="INF"
      unitRef="USDPShares">7.50</us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
      contextRef="From2021-08-082021-08-10_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember"
      decimals="INF"
      unitRef="Shares">6000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1 contextRef="From2021-08-082021-08-10_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember">P10Y</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1 contextRef="From2021-08-082021-08-10_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember">P6M</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1>
    <us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
      contextRef="From2021-08-082021-08-10_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember"
      decimals="INF"
      unitRef="USDPShares">7.29</us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
      contextRef="From2021-07-152021-07-22_custom_TwoThousandAndThreePlanMember"
      decimals="INF"
      unitRef="Shares">2400</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1 contextRef="From2021-07-152021-07-22_custom_TwoThousandAndThreePlanMember">P10Y</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1 contextRef="From2021-07-152021-07-22_custom_TwoThousandAndThreePlanMember">P6M</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1>
    <us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
      contextRef="From2021-07-152021-07-22_custom_TwoThousandAndThreePlanMember"
      decimals="INF"
      unitRef="USDPShares">6.70</us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
      contextRef="From2021-02-022021-02-04_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember"
      decimals="INF"
      unitRef="Shares">6000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1 contextRef="From2021-02-022021-02-04_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember">P10Y</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1 contextRef="From2021-02-022021-02-04_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember">P6M</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1>
    <us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
      contextRef="From2021-02-022021-02-04_custom_TwoThousandAndThreePlanMember_custom_NonQualifiedStockOptionsMember"
      decimals="INF"
      unitRef="USDPShares">7.00</us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice>
    <us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised
      contextRef="From2021-01-012021-12-31_custom_TwoThousandSeventeenStockOptionPlanMember"
      decimals="INF"
      unitRef="Shares">290</us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised>
    <us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised
      contextRef="From2021-01-012021-12-31_custom_TwoThousandSeventeenStockOptionPlanMember_us-gaap_CommonStockMember"
      decimals="0"
      unitRef="Shares">500</us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised>
    <us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
      contextRef="From2021-01-012021-12-31_custom_TwoThousandSeventeenStockOptionPlanMember"
      decimals="INF"
      unitRef="USDPShares">3.15</us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice>
    <us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised
      contextRef="From2020-01-012020-12-31_custom_TwoThousandSeventeenStockOptionPlanMember"
      decimals="INF"
      unitRef="Shares">2000</us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised>
    <us-gaap:ProceedsFromStockOptionsExercised
      contextRef="From2020-01-012020-12-31_custom_TwoThousandSeventeenStockOptionPlanMember"
      decimals="0"
      unitRef="USD">6300</us-gaap:ProceedsFromStockOptionsExercised>
    <us-gaap:StockIssuedDuringPeriodSharesNewIssues
      contextRef="From2020-01-012020-12-31_custom_TwoThousandSeventeenStockOptionPlanMember"
      decimals="INF"
      unitRef="Shares">1884</us-gaap:StockIssuedDuringPeriodSharesNewIssues>
    <us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised
      contextRef="From2020-01-012020-12-31_custom_TwoThousandSeventeenStockOptionPlanMember_custom_FirstSeparateOptionsMember"
      decimals="INF"
      unitRef="Shares">8000</us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised>
    <us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised
      contextRef="From2020-01-012020-12-31_custom_TwoThousandSeventeenStockOptionPlanMember_custom_SecondSeparateOptionsMember"
      decimals="INF"
      unitRef="Shares">2500</us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised>
    <us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
      contextRef="From2020-01-012020-12-31_custom_TwoThousandSeventeenStockOptionPlanMember_custom_FirstSeparateOptionsMember"
      decimals="INF"
      unitRef="USDPShares">3.60</us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice>
    <us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
      contextRef="From2021-01-012021-12-31_custom_TwoThousandSeventeenStockOptionPlanMember_custom_SecondSeparateOptionsMember"
      decimals="INF"
      unitRef="USDPShares">3.15</us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice>
    <us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_891_eus-gaap--ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_zEKjcYp6fDf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8B0_zWTfLDtnKWU6" style="display: none"&gt;SCHEDULE OF SHARE-BASED PAYMENT AWARD, STOCK OPTIONS, VALUATION ASSUMPTIONS&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 60%; margin-left: 0.5in"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Employee Stock&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Option
    Granted&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 71%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted-average fair value per share&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 25%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice_iI_pid_c20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_ztfP9n5DB5Xc" title="Weighted-average fair value per option"&gt;3.51&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Risk -free interest rate &lt;sup&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_90A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_fKDEp_zKXGcbeBJo33" title="Risk -free interest rate"&gt;1.05&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Expected volatility of stock
    &lt;sup&gt;(2)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_902_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_fKDIp_zUGNJZ4qkdE9" title="Expected volatility of stock"&gt;58.61&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Dividend yield&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_pid_dpn_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_zRKqbMT29Ach" title="Dividend yield"&gt;None&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Expected option life &lt;sup&gt;(3)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_902_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20210101__20211231__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionGrantedMember_fKDMp_zfY2FwoV5Syl" title="Expected option life"&gt;5.0&lt;/span&gt;
                                            years&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;


&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 40.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Outside
    Director Stock Options Granted&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 59%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted-average fair value per share&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 17%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice_iI_pid_c20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_z7eZGwRIvgne" title="Weighted-average fair value per option"&gt;3.9&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 17%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_90D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice_iI_pid_c20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_zBBTtvZffvdi" title="Weighted-average fair value per option"&gt;4.66&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span id="xdx_F46_zERZLtKFwozc" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Risk -free interest rate &lt;sup&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MinimumMember_fKDEp_zjwO8C9UhL7g" title="Risk -free interest rate"&gt;1.23%&lt;/span&gt;-&lt;span id="xdx_90E_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MaximumMember_fKDEp_zjOEDBNAlrO3" title="Risk -free interest rate"&gt;1.61&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;%&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span id="xdx_90A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MinimumMember_fKDEp_zjDaXnvtXVy2" title="Risk -free interest rate"&gt;0.59%&lt;/span&gt;-&lt;span id="xdx_905_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MaximumMember_fKDEp_zrlF6mKbsZD3" title="Risk -free interest rate"&gt;1.61&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;%&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span id="xdx_F45_zAA7ZGTl3qTf" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Expected volatility of stock
    &lt;sup&gt;(2)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MinimumMember_fKDIp_zPTcxoOf52jc" title="Expected volatility of stock"&gt;55.84%&lt;/span&gt;-&lt;span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MaximumMember_fKDIp_zthVOsjWTt18" title="Expected volatility of stock"&gt;55.91&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;%&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MinimumMember_fKDIp_zSH5PNM2c34f" title="Expected volatility of stock"&gt;55.83%&lt;/span&gt;-&lt;span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember__srt--RangeAxis__srt--MaximumMember_fKDIp_zUoFpCBpEZx6" title="Expected volatility of stock"&gt;56.68&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Dividend yield&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_pid_dpn_uPure_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_fKDEp_zsuH9keRrwpb" title="Dividend yield"&gt;None&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_pid_dpn_uPure_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_fKDEp_z5QeRkaNMyAj" title="Dividend yield"&gt;None&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span id="xdx_F4B_ze9RORizdqpi" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Expected option life &lt;sup&gt;(3)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span id="xdx_90E_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20210101__20211231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_fKDMp_z2cJes6XCti7" title="Expected option life"&gt;10.0&lt;/span&gt;
                                            years&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span id="xdx_907_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20200101__20201231__us-gaap--AwardTypeAxis__custom--OutsideDirectorStockOptionsGrantedMember_fKDMp_zs9rFipQzB5a" title="Expected option life"&gt;10.0&lt;/span&gt;
                                            years&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 4.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"&gt;
&lt;tr style="vertical-align: top"&gt;
  &lt;td style="text-align: justify; padding-left: 10pt; text-indent: -10pt; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F00_zSeoQ8WEQRTb"&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
  &lt;td style="text-align: justify"&gt;&lt;span id="xdx_F12_zp4nCr8LvZRb" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The risk-free interest rate is based on the U.S. Treasury yield
in effect at the grant date over the expected term of the option.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;


&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -49.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"&gt;
&lt;tr style="vertical-align: top"&gt;
  &lt;td style="text-align: left; padding-left: 10pt; text-indent: -10pt; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F0B_zJjrsTZPnir5"&gt;(2)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
  &lt;td style="text-align: left"&gt;&lt;span id="xdx_F19_zGq0yE3hNQz3" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The expected volatility is based on historical volatility from
our traded Common Stock over the expected term of the option.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;


&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -49.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"&gt;
&lt;tr style="vertical-align: top"&gt;
  &lt;td style="text-align: left; padding-left: 10pt; text-indent: -10pt; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F06_zSFNCsKyYwKk"&gt;(3)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
  &lt;td style="text-align: left"&gt;&lt;span id="xdx_F10_zN4Ftj7FyPe5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The expected option life is based on historical exercises and
post-vesting data.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;


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    <us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_897_eus-gaap--ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_zCJ8oFjBsVg9" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
following table summarizes stock-based compensation recognized for fiscal years 2021 and 2020.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8B1_zEl2lTgT7RF8" style="display: none"&gt;SCHEDULE OF SHARE-BASED COMPENSATION, ALLOCATION OF RECOGNIZED PERIOD COSTS&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 60%; margin-right: auto"&gt;
  &lt;tr style="display: none; font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_494_20210101__20211231_zW02Mh2RNRyl" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_495_20200101__20201231_z0mjQJyo4F2b" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Year
    Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40C_eus-gaap--ShareBasedCompensation_pp0p0_hus-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_z47mQM4mOB35" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Employee Stock Options&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;178,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;132,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--ShareBasedCompensation_pp0p0_hus-gaap--AwardTypeAxis__custom--DirectorStockOptionsMember_z13cY7sGYwKb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Director Stock Options&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;72,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;104,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40C_eus-gaap--ShareBasedCompensation_pp0p0_zv0aHTbbIFrj" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;250,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;236,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;

</us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock>
    <us-gaap:ShareBasedCompensation
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      decimals="0"
      unitRef="USD">132000</us-gaap:ShareBasedCompensation>
    <us-gaap:ShareBasedCompensation
      contextRef="From2021-01-012021-12-31_custom_DirectorStockOptionsMember"
      decimals="0"
      unitRef="USD">72000</us-gaap:ShareBasedCompensation>
    <us-gaap:ShareBasedCompensation
      contextRef="From2020-01-012020-12-31_custom_DirectorStockOptionsMember"
      decimals="0"
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    <us-gaap:ShareBasedCompensation
      contextRef="From2021-01-01to2021-12-31"
      decimals="0"
      unitRef="USD">250000</us-gaap:ShareBasedCompensation>
    <us-gaap:ShareBasedCompensation
      contextRef="From2020-01-012020-12-31"
      decimals="0"
      unitRef="USD">236000</us-gaap:ShareBasedCompensation>
    <us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
      contextRef="AsOf2021-12-31_custom_EmployeeAndDirectorsMember"
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      unitRef="USD">1389000</us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized>
    <PESI:WeightedAverageTermForUnrecognizedAndUnvestedOptionToBeRecognized contextRef="From2021-01-012021-12-31_custom_EmployeeAndDirectorsMember">P4Y3M18D</PESI:WeightedAverageTermForUnrecognizedAndUnvestedOptionToBeRecognized>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
      contextRef="From2017-07-262017-07-27_custom_TwoThousandAndSeventeenStockOptionPlanMember_custom_ConsultantMember"
      decimals="INF"
      unitRef="Shares">100000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
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    <PESI:OptionsToPurchaseSharesOfCommonStock
      contextRef="From2017-07-262017-07-27_custom_FergusonStockOptionMember_custom_SecondMilestoneMember"
      decimals="INF"
      unitRef="Shares">30000</PESI:OptionsToPurchaseSharesOfCommonStock>
    <PESI:OptionsToPurchaseSharesOfCommonStock
      contextRef="From2017-07-262017-07-27_custom_FergusonStockOptionMember_custom_ThirdMilestoneMember"
      decimals="INF"
      unitRef="Shares">60000</PESI:OptionsToPurchaseSharesOfCommonStock>
    <us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
      contextRef="AsOf2021-12-31_custom_RobertFergusonMember"
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    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
      contextRef="AsOf2021-12-31_custom_RobertFergusonMember"
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    <us-gaap:ScheduleOfStockOptionsRollForwardTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_899_eus-gaap--ScheduleOfStockOptionsRollForwardTableTextBlock_zL1m3b8mu78k" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
summary of the Company&#x2019;s total plans as of December 31, 2021 and 2020, and changes during the period then ended are presented as
follows:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8BA_zHy05Sn8qpYa" style="display: none"&gt;SCHEDULE OF STOCK OPTIONS ROLL FORWARD&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Shares&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted
    Average Exercise Price&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted
    Average Remaining Contractual Term (years)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"&gt;&lt;span id="xdx_F5D_zbp9yPJr1o33" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Aggregate
                                            Intrinsic&lt;/span&gt;&lt;/p&gt;
                                                                               &lt;p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Value
                                            &lt;sup&gt;(4)&lt;/sup&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 40%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Options outstanding January 1, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iS_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zgGklyJ5wOV4" style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right" title="Shares Options Outstanding Beginning"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;658,400&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iS_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zmqpxNeI0r9c" style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right" title="Weighted Average Exercise Price Options Outstanding Beginning"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3.87&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Granted&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zQTwKlb4qGI" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Granted"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;381,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zNNPGvvLiEU3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Granted"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;6.82&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Exercised&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_iN_pid_di_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zy0fkmtS4QTh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Exercised"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(500&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zVyJBsyIp6z8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Exercised"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3.15&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_pp0p0_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQp_zL7xiyv7FSAh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Exercised"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2,175&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Forfeited/expired&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_iN_pid_di_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zh0L50Lc305f" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Forfeited/expired"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(19,500&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_ztnTiALJZOi2" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Forfeited/expired"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;6.75&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Options outstanding end
    of period &lt;sup&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iE_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zEzDJgPjzci5" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Outstanding Ending"&gt;&lt;span id="xdx_F2E_z3EwwXDOmmhl" style="font-family: Times New Roman, Times, Serif"&gt;1,019,400&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iE_pid_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zUz9BAFaEY8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Outstanding Ending"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;4.91&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_901_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_dtY_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zTMQryDUwG7g" title="Weighted Average Remaining Contractual Term (years) Outstanding"&gt;4.0&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_iI_pp0p0_c20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQpKDEp_zhOpRoEJyob6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Outstanding"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,669,687&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Options exercisable at
    December 31, 2021&lt;sup&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_iI_pid_c20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zQjXjX3Q9iA2" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Exercisable"&gt;&lt;span id="xdx_F26_zoAebPHWvGW6" style="font-family: Times New Roman, Times, Serif"&gt;438,400&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_iI_pid_c20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zLmtSqUgADNl" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Exercisable"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3.95&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_909_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_dtY_c20210101__20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDEp_zoAfSipA6aEi" title="Weighted Average Remaining Contractual Term (years) Exercisable"&gt;2.7&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_iI_pp0p0_c20211231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQpKDEp_znE7zeyLP9Yl" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Exercisable"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,064,432&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Shares&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted
    Average Exercise Price&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted
    Average Remaining Contractual Term (years)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"&gt;&lt;span id="xdx_F54_zn5GUqkzICei" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Aggregate
                                            Intrinsic&lt;/span&gt;&lt;/p&gt;
                                                                               &lt;p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Value
                                            &lt;sup&gt;(4)&lt;/sup&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 40%; padding-left: 1.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Options outstanding January
    1, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iS_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_z766s3wt05Wc" style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right" title="Shares Options Outstanding Beginning"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;681,300&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iS_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zIPxXVHqXfJ7" style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right" title="Weighted Average Exercise Price Options Outstanding Beginning"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3.84&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 11%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 1.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Granted&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zdU3w2LbNF35" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Granted"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;24,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zkh7ZxLz4AFh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Granted"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;6.92&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 1.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Exercised&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_iN_pid_di_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zCpbeaObZOg4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Exercised"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(12,500&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_z6O1YEmlQHo2" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Exercised"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3.47&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_pp0d_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQp_zLCU7QOglEsi" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Exercised"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;16,060&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; padding-left: 1.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Forfeited/expired&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_iN_pid_di_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_zADwWMYd8yHk" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Forfeited/expired"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(34,400&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_z6IQwBfutgd9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Forfeited/expired"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;5.52&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; padding-left: 1.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Options
    outstanding end of period &lt;sup&gt;(2)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iE_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDIp_zVH4SvzmNrI6" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Outstanding Ending"&gt;&lt;span id="xdx_F2C_zm85sdRjKiT2" style="font-family: Times New Roman, Times, Serif"&gt;658,400&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iE_pid_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDIp_z1cNWm1iuKD9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Outstanding Ending"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3.87&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_90B_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_dtY_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDIp_zjGLWhU1JkD4" title="Weighted Average Remaining Contractual Term (years) Outstanding"&gt;3.5&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_iI_pp0p0_c20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQpKDIp_zeOBDNcWgHJe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Outstanding"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,426,143&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; padding-left: 1.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Options
    exercisable at December 31, 2020&lt;sup&gt;(3)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_iI_pid_c20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDMp_zCYFvFJtrid6" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares Options Exercisable"&gt;&lt;span id="xdx_F24_zVruLGAWslCh" style="font-family: Times New Roman, Times, Serif"&gt;356,400&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_iI_pid_c20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDMp_zHDirnWD3Vqi" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price Options Exercisable"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3.99&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_906_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_dtY_c20200101__20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDMp_zcCSotRAiIfl" title="Weighted Average Remaining Contractual Term (years) Exercisable"&gt;3.3&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_iI_pp0p0_c20201231__us-gaap--FinancialInstrumentAxis__us-gaap--StockOptionMember_fKDQpKDIp_zCyTN04BGRve" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Aggregate Intrinsic Value Options Exercisable"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;732,163&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;


&lt;p style="margin: 0; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table border="0" cellpadding="0" cellspacing="0" style="width: 100%; font-family: Times New Roman, Times, Serif"&gt;
&lt;tr style="vertical-align: top"&gt;
  &lt;td style="width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F08_zz9BbCB6lkJk"&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
  &lt;td&gt;&lt;span id="xdx_F19_zDRJ3QYiCCIk" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Options with exercise prices ranging from $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90F_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share lower limit"&gt;2.79&lt;/span&gt; to $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share upper limit"&gt;7.50&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;


&lt;table border="0" cellpadding="0" cellspacing="0" style="width: 100%; font-family: Times New Roman, Times, Serif"&gt;
&lt;tr style="vertical-align: top"&gt;
  &lt;td style="width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F0E_zHczYqkZFGSj"&gt;(2)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
  &lt;td&gt;&lt;span id="xdx_F19_zPGJNml5oxE5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Options with exercise prices ranging from $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90A_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionExercisableMember_pdd" title="Stock option exercise price per share lower limit"&gt;2.79&lt;/span&gt; to $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_907_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_c20210101__20211231__us-gaap--FinancialInstrumentAxis__custom--StockOptionExercisableMember_pdd" title="Stock option exercise price per share upper limit"&gt;7.29&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;


&lt;table border="0" cellpadding="0" cellspacing="0" style="width: 100%; font-family: Times New Roman, Times, Serif"&gt;
&lt;tr style="vertical-align: top"&gt;
  &lt;td style="width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F04_zNVlKmbaS0Sf"&gt;(3)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
  &lt;td&gt;&lt;span id="xdx_F13_zBIGVxZsK5A" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Options with exercise prices ranging from $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90D_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_c20200101__20201231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share lower limit"&gt;2.79&lt;/span&gt; to $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNUT0NLIE9QVElPTlMgUk9MTCBGT1JXQVJEIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_eus-gaap--ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_c20200101__20201231__us-gaap--FinancialInstrumentAxis__custom--StockOptionOutstandingMember_pdd" title="Stock option exercise price per share upper limit"&gt;7.05&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;


&lt;table border="0" cellpadding="0" cellspacing="0" style="width: 100%; font-family: Times New Roman, Times, Serif"&gt;
&lt;tr style="vertical-align: top"&gt;
  &lt;td style="text-align: justify; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F0B_z5T1y4vKpTd"&gt;(4)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
  &lt;td style="text-align: justify"&gt;&lt;span id="xdx_F16_zVTbHBEiWVY6" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The intrinsic value of a stock option is the amount by which
the market value of the underlying stock exceeds the exercise price &lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



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      contextRef="AsOf2019-12-31_us-gaap_StockOptionMember"
      decimals="INF"
      unitRef="Shares">681300</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
      contextRef="AsOf2019-12-31_us-gaap_StockOptionMember"
      decimals="INF"
      unitRef="USDPShares">3.84</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
      contextRef="From2020-01-012020-12-31_us-gaap_StockOptionMember"
      decimals="INF"
      unitRef="Shares">24000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
      contextRef="From2020-01-012020-12-31_us-gaap_StockOptionMember"
      decimals="INF"
      unitRef="USDPShares">6.92</us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice>
    <us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised
      contextRef="From2020-01-012020-12-31_us-gaap_StockOptionMember"
      decimals="INF"
      unitRef="Shares">12500</us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised>
    <us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
      contextRef="From2020-01-012020-12-31_us-gaap_StockOptionMember"
      decimals="INF"
      unitRef="USDPShares">3.47</us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
      contextRef="From2020-01-012020-12-31_us-gaap_StockOptionMember"
      decimals="0"
      id="Fact001383"
      unitRef="USD">16060</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
      contextRef="From2020-01-012020-12-31_us-gaap_StockOptionMember"
      decimals="INF"
      unitRef="Shares">34400</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
      contextRef="From2020-01-012020-12-31_us-gaap_StockOptionMember"
      decimals="INF"
      unitRef="USDPShares">5.52</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice>
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      contextRef="AsOf2020-12-31_us-gaap_StockOptionMember"
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      contextRef="AsOf2020-12-31_us-gaap_StockOptionMember"
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      contextRef="From2020-01-012020-12-31_us-gaap_StockOptionMember"
      id="Fact001393">P3Y6M</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2>
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      id="Fact001397"
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      id="Fact001399"
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      contextRef="From2020-01-012020-12-31_us-gaap_StockOptionMember"
      id="Fact001401">P3Y3M18D</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
      contextRef="AsOf2020-12-31_us-gaap_StockOptionMember"
      decimals="0"
      id="Fact001403"
      unitRef="USD">732163</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
      contextRef="From2021-01-012021-12-31_custom_StockOptionOutstandingMember"
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    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
      contextRef="From2021-01-012021-12-31_custom_StockOptionOutstandingMember"
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      contextRef="From2021-01-012021-12-31_custom_StockOptionExercisableMember"
      decimals="INF"
      unitRef="USDPShares">2.79</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
      contextRef="From2021-01-012021-12-31_custom_StockOptionExercisableMember"
      decimals="INF"
      unitRef="USDPShares">7.29</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
      contextRef="From2020-01-012020-12-31_custom_StockOptionOutstandingMember"
      decimals="INF"
      unitRef="USDPShares">2.79</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit>
    <us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
      contextRef="From2020-01-012020-12-31_custom_StockOptionOutstandingMember"
      decimals="INF"
      unitRef="USDPShares">7.05</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit>
    <PESI:ScheduleOfNonVestedOptionsTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_899_ecustom--ScheduleOfNonVestedOptionsTableTextBlock_zopEghZeDt7a" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
summary of the Company&#x2019;s nonvested options as of December 31, 2021 and changes during the period then ended are presented as follows:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8BA_zNkGpRh9Fuwl" style="display: none"&gt;SCHEDULE OF NON VESTED OPTIONS&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 80%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted Average&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Grant-Date&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Shares&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Fair
    Value&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Non-vested options January 1, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_iS_pid_c20210101__20211231_zQYnGr52c0bl" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Shares non vested options, beginning"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;302,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_iS_pid_c20210101__20211231_z4oxn7GXA0Lk" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Weighted average grant date fair value non vested options, beginning"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1.94&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Granted&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20210101__20211231_zpMg959h6h82" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares non vested options, granted"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;381,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_pid_c20210101__20211231_zlplsmfZT4Gj" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted average grant date fair value non vested options, granted"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3.59&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Vested&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_iN_pid_di_c20210101__20211231_z16JqleBdI8l" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Shares non vested options, vested"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(100,500&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_pid_c20210101__20211231_zm6k7cbPNFB6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted average grant date fair value non vested options, Vested"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2.44&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Forfeited&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares_iN_pid_di_c20210101__20211231_zya1JJ7uJMIh" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares non vested options, forfeited"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(1,500&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue_pid_c20210101__20211231_ztDjmWn7duK1" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted average grant date fair value non vested options, forfeited"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1.42&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Non-vested options at December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_iE_pid_c20210101__20211231_z7a5mFBkfCbd" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Shares non vested options, ending"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;581,000&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_iE_pid_c20210101__20211231_zvMvpP3qSkw8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Weighted average grant date fair value non vested options, ending"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3.13&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</PESI:ScheduleOfNonVestedOptionsTableTextBlock>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares contextRef="AsOf2020-12-31" decimals="INF" unitRef="Shares">302000</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
      contextRef="AsOf2020-12-31"
      decimals="INF"
      unitRef="USDPShares">1.94</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
      contextRef="From2021-01-01to2021-12-31"
      decimals="INF"
      unitRef="Shares">381000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
      contextRef="From2021-01-01to2021-12-31"
      decimals="INF"
      unitRef="USDPShares">3.59</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares
      contextRef="From2021-01-01to2021-12-31"
      decimals="INF"
      unitRef="Shares">100500</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue
      contextRef="From2021-01-01to2021-12-31"
      decimals="INF"
      unitRef="USDPShares">2.44</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares
      contextRef="From2021-01-01to2021-12-31"
      decimals="INF"
      unitRef="Shares">1500</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue
      contextRef="From2021-01-01to2021-12-31"
      decimals="INF"
      unitRef="USDPShares">1.42</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares contextRef="AsOf2021-12-31" decimals="INF" unitRef="Shares">581000</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
      contextRef="AsOf2021-12-31"
      decimals="INF"
      unitRef="USDPShares">3.13</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue>
    <us-gaap:LoansPayable
      contextRef="AsOf2019-04-02_custom_RobertFergusonMember"
      decimals="0"
      unitRef="USD">2500000</us-gaap:LoansPayable>
    <us-gaap:ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
      contextRef="AsOf2019-04-02_custom_RobertFergusonMember"
      decimals="INF"
      unitRef="Shares">60000</us-gaap:ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights>
    <us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
      contextRef="AsOf2019-04-02_custom_RobertFergusonMember"
      decimals="INF"
      unitRef="USDPShares">3.51</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
    <PESI:WarrantExercisableDescription contextRef="From2019-03-302019-04-02_custom_RobertFergusonMember">The Warrant is exercisable
six months from April 1, 2019 and expires on April 1, 2024 and remains outstanding at December 31, 2021. The loan was paid-in-full by
the Company in December 2020.</PESI:WarrantExercisableDescription>
    <us-gaap:StockIssuedDuringPeriodSharesIssuedForServices
      contextRef="From2021-01-012021-12-31_custom_TwoThousandThreeOutsideDirectorsStockOptionPlanMember_us-gaap_CommonStockMember"
      decimals="INF"
      unitRef="Shares">60723</us-gaap:StockIssuedDuringPeriodSharesIssuedForServices>
    <us-gaap:StockIssuedDuringPeriodSharesIssuedForServices
      contextRef="From2020-01-012020-12-31_custom_TwoThousandThreeOutsideDirectorsStockOptionPlanMember_us-gaap_CommonStockMember"
      decimals="INF"
      unitRef="Shares">34135</us-gaap:StockIssuedDuringPeriodSharesIssuedForServices>
    <PESI:PercentageOfDirectorsFeesDescription contextRef="From2021-01-012021-12-31_custom_TwoThousandThreeOutsideDirectorsStockOptionPlanMember">As a member of the Board, each director elects to receive either 65% or 100% of the
director&#x2019;s fee in shares of our Common Stock. The number of shares received is calculated based on 75% of the fair market value
of our Common Stock determined on the business day immediately preceding the date that the quarterly fee is due.</PESI:PercentageOfDirectorsFeesDescription>
    <us-gaap:AllocatedShareBasedCompensationExpense
      contextRef="From2021-01-012021-12-31_custom_PortionOfDirectorFeeEarnedInCommonStockMember_custom_The2003OutsideDirectorsStockPlanMember"
      decimals="0"
      unitRef="USD">467000</us-gaap:AllocatedShareBasedCompensationExpense>
    <us-gaap:AllocatedShareBasedCompensationExpense
      contextRef="From2020-01-012020-12-31_custom_PortionOfDirectorFeeEarnedInCommonStockMember_custom_The2003OutsideDirectorsStockPlanMember"
      decimals="0"
      unitRef="USD">250000</us-gaap:AllocatedShareBasedCompensationExpense>
    <us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction
      contextRef="From2021-09-282021-09-30_custom_SubscriptionAgreementsMember"
      decimals="INF"
      unitRef="Shares">1000000</us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction>
    <us-gaap:CommonStockCapitalSharesReservedForFutureIssuance
      contextRef="AsOf2021-12-31_us-gaap_CommonStockMember"
      decimals="INF"
      unitRef="Shares">1019400</us-gaap:CommonStockCapitalSharesReservedForFutureIssuance>
    <us-gaap:StockholdersEquityNoteDisclosureTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_809_eus-gaap--StockholdersEquityNoteDisclosureTextBlock_zfZlutUQc6Md" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;NOTE
7&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_829_zWHWzpDF5Xoc"&gt;COMMON
STOCK SUBSCRIPTION AGREEMENT&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;On
September 30, 2021, the Company entered into subscription agreements (the &#x201c;Subscription Agreements&#x201d;) with certain institutional
and retail investors (the &#x201c;Purchasers&#x201d;), pursuant to which the Company agreed to sell and issue, in a registered direct offering,
an aggregate of &lt;span id="xdx_90D_eus-gaap--SaleOfStockNumberOfSharesIssuedInTransaction_c20210928__20210930__us-gaap--TypeOfArrangementAxis__custom--SubscriptionAgreementsMember_zZ7uEnhuZdYf" title="Shares issued, shares"&gt;1,000,000&lt;/span&gt; shares (the &#x201c;Shares&#x201d;) of our Common Stock, at a negotiated purchase price per share of $&lt;span id="xdx_909_eus-gaap--SaleOfStockPricePerShare_iI_c20210930__us-gaap--TypeOfArrangementAxis__custom--SubscriptionAgreementsMember_zh8vBBioJIkj" title="Purchase price per share"&gt;6.20&lt;/span&gt; (the
&#x201c;Shares&#x201d;), for aggregate gross proceeds to us of approximately $&lt;span id="xdx_900_eus-gaap--ProceedsFromIssuanceOfCommonStock_c20210928__20210930__us-gaap--TypeOfArrangementAxis__custom--SubscriptionAgreementsMember_zIaxDokDdUl1" title="Proceeds issuance common stock"&gt;6,200,000&lt;/span&gt;. The offering price per share was negotiated based
on the average closing price of our Common Stock as quoted on Nasdaq over the three-week period immediately preceding the date of the
Subscription Agreements, less a five percent discount.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Shares were offered and sold by the Company through a prospectus supplement pursuant to the Company&#x2019;s &#x201c;shelf&#x201d; registration
statement on Form S-3, which was previously filed with the Commission on May 13, 2019 and subsequently declared effective on May 22,
2019 (the &#x201c;Registration Statement&#x201d;).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Wellington
Shields &amp;amp; Co., LLC (&#x201c;Wellington&#x201d;) served as the exclusive placement agent in connection with the Offering, pursuant to
a placement agency agreement dated as of September 23, 2021 (the &#x201c;Placement Agency Agreement&#x201d;), between the Company and Wellington.
The Company paid Wellington a cash fee of &lt;span id="xdx_90C_ecustom--CashFee_c20210922__20210923__us-gaap--TypeOfArrangementAxis__custom--PlacementAgencyAgreementMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--WellingtonShieldsandCoMember_zhxtm1i7vOk7" title="Cash fee"&gt;6.00%&lt;/span&gt; of the aggregate gross proceeds in the Offering which totaled $&lt;span id="xdx_908_ecustom--PaymentsToOffering_c20210922__20210923__us-gaap--TypeOfArrangementAxis__custom--PlacementAgencyAgreementMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--WellingtonShieldsandCoMember_zNmnnQ8qXj09" title="Payment for offering"&gt;372,000&lt;/span&gt;. The Company also
reimbursed Wellington for certain expenses in connection with the Offering in an aggregate amount not to exceed $&lt;span id="xdx_906_ecustom--OfferingCostThreshold_c20210922__20210923__us-gaap--TypeOfArrangementAxis__custom--PlacementAgencyAgreementMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--WellingtonShieldsandCoMember_z5dAac7ISqie" title="Offering cost"&gt;50,000&lt;/span&gt;. After deducting
costs incurred directly in connection with the offering which were recorded as deduction to equity, net proceeds to the Company totaled
approximately $&lt;span id="xdx_90F_eus-gaap--ProceedsFromIssuanceOfPrivatePlacement_c20210922__20210923__us-gaap--TypeOfArrangementAxis__custom--PlacementAgencyAgreementMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--WellingtonShieldsandCoMember_zAAhd6WLZUce" title="Proceeds from offering"&gt;5,704,000&lt;/span&gt;. As of December 31, 2021, approximately $&lt;span id="xdx_909_ecustom--OfferingCostPaid_pid_c20210101__20211231__us-gaap--TypeOfArrangementAxis__custom--PlacementAgencyAgreementMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--WellingtonShieldsandCoMember_zBcrMClj2Z7h" title="Offering cost paid"&gt;435,000&lt;/span&gt; of the $&lt;span id="xdx_90D_eus-gaap--DeferredOfferingCosts_iI_pid_c20211231__us-gaap--TypeOfArrangementAxis__custom--PlacementAgencyAgreementMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--WellingtonShieldsandCoMember_zWJncA41AGtf" title="Offering costs"&gt;496,000&lt;/span&gt; in incurred offering costs were paid.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company plans to use the aggregate net proceeds from the offering primarily for working capital and general corporate purposes, including
for certain facility expansion and upgrades, with the use of such proceeds subject to changes, based on the judgment of management.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:StockholdersEquityNoteDisclosureTextBlock>
    <us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction
      contextRef="From2021-09-282021-09-30_custom_SubscriptionAgreementsMember"
      decimals="INF"
      unitRef="Shares">1000000</us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction>
    <us-gaap:SaleOfStockPricePerShare
      contextRef="AsOf2021-09-30_custom_SubscriptionAgreementsMember"
      decimals="INF"
      unitRef="USDPShares">6.20</us-gaap:SaleOfStockPricePerShare>
    <us-gaap:ProceedsFromIssuanceOfCommonStock
      contextRef="From2021-09-282021-09-30_custom_SubscriptionAgreementsMember"
      decimals="0"
      unitRef="USD">6200000</us-gaap:ProceedsFromIssuanceOfCommonStock>
    <PESI:CashFee
      contextRef="From2021-09-222021-09-23_custom_PlacementAgencyAgreementMember_custom_WellingtonShieldsandCoMember"
      decimals="INF"
      unitRef="Pure">0.0600</PESI:CashFee>
    <PESI:PaymentsToOffering
      contextRef="From2021-09-222021-09-23_custom_PlacementAgencyAgreementMember_custom_WellingtonShieldsandCoMember"
      decimals="0"
      unitRef="USD">372000</PESI:PaymentsToOffering>
    <PESI:OfferingCostThreshold
      contextRef="From2021-09-222021-09-23_custom_PlacementAgencyAgreementMember_custom_WellingtonShieldsandCoMember"
      decimals="0"
      unitRef="USD">50000</PESI:OfferingCostThreshold>
    <us-gaap:ProceedsFromIssuanceOfPrivatePlacement
      contextRef="From2021-09-222021-09-23_custom_PlacementAgencyAgreementMember_custom_WellingtonShieldsandCoMember"
      decimals="0"
      unitRef="USD">5704000</us-gaap:ProceedsFromIssuanceOfPrivatePlacement>
    <PESI:OfferingCostPaid
      contextRef="From2021-01-012021-12-31_custom_PlacementAgencyAgreementMember_custom_WellingtonShieldsandCoMember"
      decimals="0"
      unitRef="USD">435000</PESI:OfferingCostPaid>
    <us-gaap:DeferredOfferingCosts
      contextRef="AsOf2021-12-31_custom_PlacementAgencyAgreementMember_custom_WellingtonShieldsandCoMember"
      decimals="0"
      unitRef="USD">496000</us-gaap:DeferredOfferingCosts>
    <us-gaap:EarningsPerShareTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_807_eus-gaap--EarningsPerShareTextBlock_zU4Bp8Kvb9C" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;NOTE
8&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_828_zT6XwKRGFWM8"&gt;INCOME
(LOSS) PER SHARE&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_89F_eus-gaap--ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_zJiLgU2Ygzuh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
following table reconciles the income (loss) and average share amounts used to compute both basic and diluted income per share:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8B5_zrsniPTMZo6k" style="display: none"&gt;SCHEDULE OF EARNINGS PER SHARE, BASIC AND DILUTED&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="display: none; font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_495_20210101__20211231_zwgZ7Lm9Ehhi" style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_496_20200101__20201231_z3eOTuyajRq8" style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Years Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31,&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(Amounts in Thousands, Except
    for Per Share Amounts)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Net income attributable to Perma-Fix Environmental
    Services, Inc., common stockholders:&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40E_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_ziolAcX58WV3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Income
    &lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;from continuing operations, net of taxes&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,092&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,149&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--NetIncomeLossAttributableToNoncontrollingInterest_pn3n3_zsgbAhHn3Dsi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Net
    loss attributable to non-controlling interest&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(164&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(123&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_400_eus-gaap--IncomeLossFromContinuingOperations_pn3n3_zArifN6SrMMc" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left"&gt;Income from continuing
    operations attributable to &lt;span style="font-family: Times New Roman, Times, Serif"&gt;Perma-Fix Environmental
    Services, Inc. common stockholders&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,256&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,272&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40B_eus-gaap--IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_pn3n3_zJkJerN5OdHi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left; padding-bottom: 1pt"&gt;Loss from discontinuing
    operations attributable to &lt;span style="font-family: Times New Roman, Times, Serif"&gt;Perma-Fix
    Environmental Services, Inc. common stockholders&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(421&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(412&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40A_eus-gaap--NetIncomeLoss_pn3n3_z5oSP8EbqvMc" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Net
    income attributable to Perma-Fix Environmental Services, Inc. common stockholders&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;835&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2,860&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_402_eus-gaap--EarningsPerShareBasic_pid_zQSuRLmDVvM2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Basic income per share
    attributable to Perma-Fix Environmental Services, Inc. common stockholders&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;.07&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;.24&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_401_eus-gaap--EarningsPerShareDiluted_pid_zVds0rU6xJ13" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Diluted income per share
    attributable to Perma-Fix Environmental Services, Inc. common stockholders&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;.07&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;.23&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted average shares outstanding:&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_405_eus-gaap--WeightedAverageNumberOfSharesOutstandingBasic_pid_zwlOGpQfOSjb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Basic weighted average shares outstanding&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;12,433&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;12,139&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40A_eus-gaap--IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_pid_zDpsrPS6bC08" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Add: dilutive effect of
    stock options&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;211&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;184&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_400_eus-gaap--IncrementalCommonSharesAttributableToCallOptionsAndWarrants_pid_zJZMQxVQUP95" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Add:
    dilutive effect of warrants&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;29&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;24&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40D_eus-gaap--WeightedAverageNumberOfDilutedSharesOutstanding_pid_zcWvhVSpe546" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Diluted weighted average shares outstanding&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;12,673&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;12,347&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"/&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Potential shares excluded from above weighted
    average share calculations due to their anti-dilutive effect include:&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40B_eus-gaap--AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_pid_zExoUdfHwko2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Stock options&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;323&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;42&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_404_ecustom--AntidilutiveSecuritiesOfWarrantsExcludedFromComputationOfEarningsPerShareAmount_pid_zqfey61kZjW5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Warrant&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl1525"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl1526"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8A1_z1McUBQLjNFb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:EarningsPerShareTextBlock>
    <us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_89F_eus-gaap--ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_zJiLgU2Ygzuh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
following table reconciles the income (loss) and average share amounts used to compute both basic and diluted income per share:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8B5_zrsniPTMZo6k" style="display: none"&gt;SCHEDULE OF EARNINGS PER SHARE, BASIC AND DILUTED&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="display: none; font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_495_20210101__20211231_zwgZ7Lm9Ehhi" style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_496_20200101__20201231_z3eOTuyajRq8" style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Years Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31,&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(Amounts in Thousands, Except
    for Per Share Amounts)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Net income attributable to Perma-Fix Environmental
    Services, Inc., common stockholders:&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40E_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_ziolAcX58WV3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Income
    &lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;from continuing operations, net of taxes&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,092&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,149&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--NetIncomeLossAttributableToNoncontrollingInterest_pn3n3_zsgbAhHn3Dsi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Net
    loss attributable to non-controlling interest&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(164&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(123&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_400_eus-gaap--IncomeLossFromContinuingOperations_pn3n3_zArifN6SrMMc" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left"&gt;Income from continuing
    operations attributable to &lt;span style="font-family: Times New Roman, Times, Serif"&gt;Perma-Fix Environmental
    Services, Inc. common stockholders&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,256&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,272&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40B_eus-gaap--IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_pn3n3_zJkJerN5OdHi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left; padding-bottom: 1pt"&gt;Loss from discontinuing
    operations attributable to &lt;span style="font-family: Times New Roman, Times, Serif"&gt;Perma-Fix
    Environmental Services, Inc. common stockholders&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(421&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(412&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40A_eus-gaap--NetIncomeLoss_pn3n3_z5oSP8EbqvMc" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 20pt; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Net
    income attributable to Perma-Fix Environmental Services, Inc. common stockholders&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;835&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2,860&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_402_eus-gaap--EarningsPerShareBasic_pid_zQSuRLmDVvM2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Basic income per share
    attributable to Perma-Fix Environmental Services, Inc. common stockholders&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;.07&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;.24&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_401_eus-gaap--EarningsPerShareDiluted_pid_zVds0rU6xJ13" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Diluted income per share
    attributable to Perma-Fix Environmental Services, Inc. common stockholders&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;.07&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;.23&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Weighted average shares outstanding:&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_405_eus-gaap--WeightedAverageNumberOfSharesOutstandingBasic_pid_zwlOGpQfOSjb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Basic weighted average shares outstanding&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;12,433&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;12,139&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40A_eus-gaap--IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_pid_zDpsrPS6bC08" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Add: dilutive effect of
    stock options&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;211&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;184&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_400_eus-gaap--IncrementalCommonSharesAttributableToCallOptionsAndWarrants_pid_zJZMQxVQUP95" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Add:
    dilutive effect of warrants&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;29&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;24&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40D_eus-gaap--WeightedAverageNumberOfDilutedSharesOutstanding_pid_zcWvhVSpe546" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Diluted weighted average shares outstanding&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;12,673&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;12,347&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"/&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Potential shares excluded from above weighted
    average share calculations due to their anti-dilutive effect include:&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40B_eus-gaap--AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_pid_zExoUdfHwko2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Stock options&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;323&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;42&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_404_ecustom--AntidilutiveSecuritiesOfWarrantsExcludedFromComputationOfEarningsPerShareAmount_pid_zqfey61kZjW5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Warrant&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl1525"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl1526"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock>
    <us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">1092000</us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">3149000</us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">-164000</us-gaap:NetIncomeLossAttributableToNoncontrollingInterest>
    <us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">-123000</us-gaap:NetIncomeLossAttributableToNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperations
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">1256000</us-gaap:IncomeLossFromContinuingOperations>
    <us-gaap:IncomeLossFromContinuingOperations
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">3272000</us-gaap:IncomeLossFromContinuingOperations>
    <us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">-421000</us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity>
    <us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">-412000</us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity>
    <us-gaap:NetIncomeLoss
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">835000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">2860000</us-gaap:NetIncomeLoss>
    <us-gaap:EarningsPerShareBasic
      contextRef="From2021-01-01to2021-12-31"
      decimals="INF"
      unitRef="USDPShares">0.07</us-gaap:EarningsPerShareBasic>
    <us-gaap:EarningsPerShareBasic
      contextRef="From2020-01-012020-12-31"
      decimals="INF"
      unitRef="USDPShares">0.24</us-gaap:EarningsPerShareBasic>
    <us-gaap:EarningsPerShareDiluted
      contextRef="From2021-01-01to2021-12-31"
      decimals="INF"
      unitRef="USDPShares">0.07</us-gaap:EarningsPerShareDiluted>
    <us-gaap:EarningsPerShareDiluted
      contextRef="From2020-01-012020-12-31"
      decimals="INF"
      unitRef="USDPShares">0.23</us-gaap:EarningsPerShareDiluted>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="From2021-01-01to2021-12-31"
      decimals="INF"
      unitRef="Shares">12433</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="From2020-01-012020-12-31"
      decimals="INF"
      unitRef="Shares">12139</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
      contextRef="From2021-01-01to2021-12-31"
      decimals="INF"
      unitRef="Shares">211</us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements>
    <us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
      contextRef="From2020-01-012020-12-31"
      decimals="INF"
      unitRef="Shares">184</us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements>
    <us-gaap:IncrementalCommonSharesAttributableToCallOptionsAndWarrants
      contextRef="From2021-01-01to2021-12-31"
      decimals="INF"
      unitRef="Shares">29</us-gaap:IncrementalCommonSharesAttributableToCallOptionsAndWarrants>
    <us-gaap:IncrementalCommonSharesAttributableToCallOptionsAndWarrants
      contextRef="From2020-01-012020-12-31"
      decimals="INF"
      unitRef="Shares">24</us-gaap:IncrementalCommonSharesAttributableToCallOptionsAndWarrants>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
      contextRef="From2021-01-01to2021-12-31"
      decimals="INF"
      unitRef="Shares">12673</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
      contextRef="From2020-01-012020-12-31"
      decimals="INF"
      unitRef="Shares">12347</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
      contextRef="From2021-01-01to2021-12-31"
      decimals="INF"
      unitRef="Shares">323</us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount>
    <us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
      contextRef="From2020-01-012020-12-31"
      decimals="INF"
      unitRef="Shares">42</us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount>
    <us-gaap:DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_801_eus-gaap--DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_zYJ8FkojzZAg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;NOTE
9&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_827_zAAKKjN5RIp6"&gt;DISCONTINUED
OPERATIONS&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company&#x2019;s discontinued operations consist of all our subsidiaries included in our Industrial Segment which encompasses subsidiaries
divested in 2011 and prior and three previously closed locations.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company incurred losses from discontinued operations of $&lt;span id="xdx_904_eus-gaap--IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_iN_di_c20210101__20211231_zAwyzsAN4wa1" title="Loss from discontinued operations"&gt;421,000&lt;/span&gt; (net of tax benefit of $&lt;span id="xdx_903_eus-gaap--DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal_c20210101__20211231_z42E6k5lKR59" title="Tax effect of discontinued operation"&gt;139,000&lt;/span&gt;) and $&lt;span id="xdx_900_eus-gaap--IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_iN_di_c20200101__20201231_ztz0WMqzFa3i" title="Loss from discontinued operations"&gt;412,000&lt;/span&gt; (net of taxes of $&lt;span id="xdx_903_eus-gaap--DiscontinuedOperationTaxEffectOfDiscontinuedOperation_pn3n3_c20200101__20201231_zrFLhKTeGzZ7" title="Tax effect of discontinued operation"&gt;0&lt;/span&gt;) for
the years ended December 31, 2021 and 2020, respectively. The loss for the year ended 2021 included an increase of approximately $&lt;span id="xdx_90D_eus-gaap--AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease_c20200101__20201231__dei--LegalEntityAxis__custom--PermaFixOfMemphisIncMember_zD331Wd02Qk5" title="Increase (decrease) in environmental liability"&gt;100,000&lt;/span&gt;
in remediation reserve for our PFSG subsidiary due to reassessment of the remediation reserve. The remaining loss for each of the periods
noted above was primarily due to costs incurred in the administration and continued monitoring of our discontinued operations.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_89B_ecustom--DisposalGroupsIncludingDiscontinuedOperationBalanceSheetTableTextBlock_zXmMU4a93Pee" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
following table presents the major class of assets of discontinued operations at December 31, 2021 and December 31, 2020. No assets and
liabilities were held for sale at each of the periods noted.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span id="xdx_8BD_zcMLjLrqZnig" style="display: none"&gt;SCHEDULE OF DISPOSAL GROUPS, INCLUDING DISCONTINUED OPERATION BALANCE SHEET&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;
&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 90%; margin-right: auto"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_491_20211231_ztl7iiDWeI02" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_49C_20201231_zWujmFS0hJO7" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December 31,&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December 31,&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(Amounts in Thousands)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Current assets&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_400_ecustom--DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale_iI_pn3n3_maAODGIzXOJ_z1eTx8fJBwp4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Other assets&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;15&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;22&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_401_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale_iTI_pn3n3_mtAODGIzXOJ_maDGIDOzwqA_zSx8xyr3opWd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total current assets&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;15&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;22&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Long-term assets&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_408_ecustom--DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent_iI_pn3n3_maDGIDOzLrQ_z8VQPJn84x32" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span id="xdx_F45_z3lcI0WsycH" style="font-family: Times New Roman, Times, Serif"&gt;Property, plant and equipment,
    net &lt;sup&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;81&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;81&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40A_ecustom--DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent_iTI_pn3n3_mtDGIDOzLrQ_maDGIDOzwqA_z0uKM6S5Plrb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total
    long-term assets&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;81&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;81&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_ecustom--DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale_iTI_pn3n3_mtDGIDOzwqA_zP0FQPcGDfB4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total
    assets&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;96&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;103&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Current liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_403_ecustom--DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale_iI_pn3n3_maLODGIzuUg_z0oipgEJ7tv6" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Accounts payable&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;4&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_401_ecustom--DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities_iI_pn3n3_maLODGIzuUg_z2CE46jau6n5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Accrued expenses and other liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;154&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;150&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_404_ecustom--DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities_iI_pn3n3_maLODGIzuUg_zouKplmZ8rha" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Environmental liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;349&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;744&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_403_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale_iTI_pn3n3_mtLODGIzuUg_maLODGIz0i8_zRhiKLHLHF38" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total current liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;506&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;898&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Long-term liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40C_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale_iI_pn3n3_maLODGIzy7I_zXVyV9ILZsy6" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Closure liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;150&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;142&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_404_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities_iI_pn3n3_maLODGIzy7I_zQYp8wVr2dng" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Environmental liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;527&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;110&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40A_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale_iTI_pn3n3_mtLODGIzy7I_maLODGIz0i8_zhfcMemv79Qk" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total
    long-term liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;677&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;252&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40E_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale_iI_pn3n3_mtLODGIz0i8_z1sfbf5Yxgz8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total
    liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,183&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,150&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 31.5pt"/&gt;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 31.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"&gt;
&lt;tr style="vertical-align: top"&gt;
  &lt;td style="text-align: justify; padding-left: 10pt; text-indent: -10pt; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F0A_zlSUe9RFDp13"&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
  &lt;td style="text-align: justify"&gt;&lt;span id="xdx_F19_z9WaFn6rfKef" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;net of accumulated depreciation of $&lt;span&gt;&lt;span&gt;&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIERJU0NPTlRJTlVFRCBPUEVSQVRJT05TIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization_c20200101__20201231_zD1sFl5Uu8c1"&gt;&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIERJU0NPTlRJTlVFRCBPUEVSQVRJT05TIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_907_eus-gaap--DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization_c20210101__20211231_zqRdqnjFI89h" title="Accumulated depreciation"&gt;10,000&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt; for each period
presented.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;


&lt;p id="xdx_8A6_zr8b2sXLQauh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Environmental
Liabilities&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company has three remediation projects, which are currently in progress relating to our PFD, PFM and PFSG (closed locations) subsidiaries,
all within our discontinued operations. The Company divested PFD in 2008; however, the environmental liability of PFD was retained
by the Company upon the divestiture of PFD. These remediation projects principally entail the removal/remediation of contaminated soil
and, in most cases, the remediation of surrounding ground water. The remediation activities are closely reviewed and monitored by the
applicable state regulators.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;At
December 31, 2021, the Company had total accrued environmental remediation liabilities of $&lt;span id="xdx_905_eus-gaap--AccrualForEnvironmentalLossContingencies_c20211231_pp0p0" title="Accrued environmental remediation liabilities"&gt;876,000&lt;/span&gt;, an increase of $&lt;span id="xdx_905_eus-gaap--AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease_c20210101__20211231_pp0p0" title="Increase (decrease) in environmental liability"&gt;22,000&lt;/span&gt; from the December
31, 2020 balance of $&lt;span id="xdx_904_eus-gaap--AccrualForEnvironmentalLossContingencies_c20201231_pp0p0" title="Accrued environmental remediation liabilities"&gt;854,000&lt;/span&gt;. The net increase represents an increase of $&lt;span id="xdx_904_eus-gaap--AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease_pp0p0_c20200101__20201231_zcB39bdwHHx3"&gt;100,000&lt;/span&gt; made to the reserve at our PFSG subsidiary as discussed
above and payments of approximately $&lt;span id="xdx_904_eus-gaap--AccrualForEnvironmentalLossContingenciesPayments1_pp0p0_c20200101__20201231_zKEEZAIcAcY7"&gt;78,000&lt;/span&gt; for remediation projects for the three subsidiaries. At December 31, 2021, $&lt;span id="xdx_90D_eus-gaap--AccruedEnvironmentalLossContingenciesCurrent_iI_pp0p0_c20211231_z4WlF3PKYlR" title="Accrued environmental liabilities, current"&gt;349,000&lt;/span&gt; of the
total accrued environmental liabilities was recorded as current.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_892_eus-gaap--ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_zKHbImfFOX09" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
current and long-term accrued environmental liabilities at December 31, 2021 are summarized as follows (in thousands).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span id="xdx_8BE_zhyeReJfxW9j" style="display: none"&gt;SCHEDULE OF CURRENT AND LONG TERM ACCRUED ENVIRONMENTAL LIABILITY&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Current&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Long-term&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"/&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Accrual&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Accrual&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 46%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;PFD&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--AccruedEnvironmentalLossContingenciesCurrent_c20211231__dei--LegalEntityAxis__custom--PFDMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right" title="Current Accrual"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;8&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--AccruedEnvironmentalLossContingenciesNoncurrent_c20211231__dei--LegalEntityAxis__custom--PFDMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right" title="Long-term Accrual"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;60&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--AccrualForEnvironmentalLossContingencies_c20211231__dei--LegalEntityAxis__custom--PFDMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;68&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;PFM&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--AccruedEnvironmentalLossContingenciesCurrent_c20211231__dei--LegalEntityAxis__custom--PFMMember_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Current Accrual"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1603"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--AccruedEnvironmentalLossContingenciesNoncurrent_c20211231__dei--LegalEntityAxis__custom--PFMMember_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Long-term Accrual"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;15&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--AccrualForEnvironmentalLossContingencies_c20211231__dei--LegalEntityAxis__custom--PFMMember_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;15&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;PFSG&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--AccruedEnvironmentalLossContingenciesCurrent_c20211231__dei--LegalEntityAxis__custom--PFSGMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Current Accrual"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;341&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--AccruedEnvironmentalLossContingenciesNoncurrent_c20211231__dei--LegalEntityAxis__custom--PFSGMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Long-term Accrual"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;452&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--AccrualForEnvironmentalLossContingencies_c20211231__dei--LegalEntityAxis__custom--PFSGMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;793&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total liability&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--AccruedEnvironmentalLossContingenciesCurrent_iI_pn3n3_c20211231_zpBQpwOwmMn5" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Current Accrual"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;349&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--AccruedEnvironmentalLossContingenciesNoncurrent_c20211231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Long-term Accrual"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;527&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--AccrualForEnvironmentalLossContingencies_iI_pn3n3_c20211231_zl0Oeoet8jw3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;876&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;


&lt;p id="xdx_8A8_zVZtlTysizIb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock>
    <us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
      contextRef="From2021-01-01to2021-12-31"
      decimals="0"
      unitRef="USD">-421000</us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity>
    <us-gaap:DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal
      contextRef="From2021-01-01to2021-12-31"
      decimals="0"
      unitRef="USD">139000</us-gaap:DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal>
    <us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
      contextRef="From2020-01-012020-12-31"
      decimals="0"
      unitRef="USD">-412000</us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity>
    <us-gaap:DiscontinuedOperationTaxEffectOfDiscontinuedOperation
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">0</us-gaap:DiscontinuedOperationTaxEffectOfDiscontinuedOperation>
    <us-gaap:AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease
      contextRef="From2020-01-012020-12-31_custom_PermaFixOfMemphisIncMember"
      decimals="0"
      unitRef="USD">100000</us-gaap:AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease>
    <PESI:DisposalGroupsIncludingDiscontinuedOperationBalanceSheetTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_89B_ecustom--DisposalGroupsIncludingDiscontinuedOperationBalanceSheetTableTextBlock_zXmMU4a93Pee" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
following table presents the major class of assets of discontinued operations at December 31, 2021 and December 31, 2020. No assets and
liabilities were held for sale at each of the periods noted.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span id="xdx_8BD_zcMLjLrqZnig" style="display: none"&gt;SCHEDULE OF DISPOSAL GROUPS, INCLUDING DISCONTINUED OPERATION BALANCE SHEET&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;
&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 90%; margin-right: auto"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_491_20211231_ztl7iiDWeI02" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_49C_20201231_zWujmFS0hJO7" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December 31,&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December 31,&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(Amounts in Thousands)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Current assets&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_400_ecustom--DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale_iI_pn3n3_maAODGIzXOJ_z1eTx8fJBwp4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Other assets&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;15&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;22&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_401_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale_iTI_pn3n3_mtAODGIzXOJ_maDGIDOzwqA_zSx8xyr3opWd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total current assets&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;15&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;22&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Long-term assets&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_408_ecustom--DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent_iI_pn3n3_maDGIDOzLrQ_z8VQPJn84x32" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span id="xdx_F45_z3lcI0WsycH" style="font-family: Times New Roman, Times, Serif"&gt;Property, plant and equipment,
    net &lt;sup&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;81&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;81&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40A_ecustom--DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent_iTI_pn3n3_mtDGIDOzLrQ_maDGIDOzwqA_z0uKM6S5Plrb" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total
    long-term assets&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;81&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;81&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_ecustom--DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale_iTI_pn3n3_mtDGIDOzwqA_zP0FQPcGDfB4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total
    assets&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;96&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;103&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Current liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_403_ecustom--DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale_iI_pn3n3_maLODGIzuUg_z0oipgEJ7tv6" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Accounts payable&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;4&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_401_ecustom--DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities_iI_pn3n3_maLODGIzuUg_z2CE46jau6n5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Accrued expenses and other liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;154&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;150&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_404_ecustom--DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities_iI_pn3n3_maLODGIzuUg_zouKplmZ8rha" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Environmental liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;349&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;744&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_403_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale_iTI_pn3n3_mtLODGIzuUg_maLODGIz0i8_zRhiKLHLHF38" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total current liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;506&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;898&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Long-term liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40C_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale_iI_pn3n3_maLODGIzy7I_zXVyV9ILZsy6" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Closure liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;150&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;142&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_404_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities_iI_pn3n3_maLODGIzy7I_zQYp8wVr2dng" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Environmental liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;527&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;110&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40A_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale_iTI_pn3n3_mtLODGIzy7I_maLODGIz0i8_zhfcMemv79Qk" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total
    long-term liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;677&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;252&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40E_ecustom--LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale_iI_pn3n3_mtLODGIz0i8_z1sfbf5Yxgz8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total
    liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,183&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,150&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 31.5pt"/&gt;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 31.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"&gt;
&lt;tr style="vertical-align: top"&gt;
  &lt;td style="text-align: justify; padding-left: 10pt; text-indent: -10pt; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F0A_zlSUe9RFDp13"&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
  &lt;td style="text-align: justify"&gt;&lt;span id="xdx_F19_z9WaFn6rfKef" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;net of accumulated depreciation of $&lt;span&gt;&lt;span&gt;&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIERJU0NPTlRJTlVFRCBPUEVSQVRJT05TIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization_c20200101__20201231_zD1sFl5Uu8c1"&gt;&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIERJU0NPTlRJTlVFRCBPUEVSQVRJT05TIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_907_eus-gaap--DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization_c20210101__20211231_zqRdqnjFI89h" title="Accumulated depreciation"&gt;10,000&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt; for each period
presented.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;


</PESI:DisposalGroupsIncludingDiscontinuedOperationBalanceSheetTableTextBlock>
    <PESI:DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">15000</PESI:DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale>
    <PESI:DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">22000</PESI:DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale>
    <PESI:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">15000</PESI:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale>
    <PESI:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">22000</PESI:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale>
    <PESI:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">81000</PESI:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent>
    <PESI:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">81000</PESI:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent>
    <PESI:DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">81000</PESI:DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent>
    <PESI:DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">81000</PESI:DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent>
    <PESI:DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">96000</PESI:DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale>
    <PESI:DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">103000</PESI:DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale>
    <PESI:DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">3000</PESI:DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale>
    <PESI:DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">4000</PESI:DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale>
    <PESI:DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">154000</PESI:DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities>
    <PESI:DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">150000</PESI:DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities>
    <PESI:DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">349000</PESI:DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities>
    <PESI:DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">744000</PESI:DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities>
    <PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">506000</PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale>
    <PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">898000</PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale>
    <PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">150000</PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale>
    <PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">142000</PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale>
    <PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">527000</PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities>
    <PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">110000</PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities>
    <PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">677000</PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale>
    <PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">252000</PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale>
    <PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">1183000</PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale>
    <PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">1150000</PESI:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale>
    <us-gaap:DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">10000000</us-gaap:DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization>
    <us-gaap:DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">10000000</us-gaap:DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization>
    <us-gaap:AccrualForEnvironmentalLossContingencies contextRef="AsOf2021-12-31" decimals="0" unitRef="USD">876000</us-gaap:AccrualForEnvironmentalLossContingencies>
    <us-gaap:AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease
      contextRef="From2021-01-01to2021-12-31"
      decimals="0"
      unitRef="USD">22000</us-gaap:AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease>
    <us-gaap:AccrualForEnvironmentalLossContingencies contextRef="AsOf2020-12-31" decimals="0" unitRef="USD">854000</us-gaap:AccrualForEnvironmentalLossContingencies>
    <us-gaap:AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease
      contextRef="From2020-01-012020-12-31"
      decimals="0"
      unitRef="USD">100000</us-gaap:AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease>
    <us-gaap:AccrualForEnvironmentalLossContingenciesPayments1
      contextRef="From2020-01-012020-12-31"
      decimals="0"
      unitRef="USD">78000</us-gaap:AccrualForEnvironmentalLossContingenciesPayments1>
    <us-gaap:AccruedEnvironmentalLossContingenciesCurrent contextRef="AsOf2021-12-31" decimals="0" unitRef="USD">349000</us-gaap:AccruedEnvironmentalLossContingenciesCurrent>
    <us-gaap:ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_892_eus-gaap--ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_zKHbImfFOX09" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
current and long-term accrued environmental liabilities at December 31, 2021 are summarized as follows (in thousands).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span id="xdx_8BE_zhyeReJfxW9j" style="display: none"&gt;SCHEDULE OF CURRENT AND LONG TERM ACCRUED ENVIRONMENTAL LIABILITY&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Current&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Long-term&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"/&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Accrual&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Accrual&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 46%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;PFD&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--AccruedEnvironmentalLossContingenciesCurrent_c20211231__dei--LegalEntityAxis__custom--PFDMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right" title="Current Accrual"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;8&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--AccruedEnvironmentalLossContingenciesNoncurrent_c20211231__dei--LegalEntityAxis__custom--PFDMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right" title="Long-term Accrual"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;60&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--AccrualForEnvironmentalLossContingencies_c20211231__dei--LegalEntityAxis__custom--PFDMember_pn3n3" style="font-family: Times New Roman, Times, Serif; width: 14%; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;68&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;PFM&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--AccruedEnvironmentalLossContingenciesCurrent_c20211231__dei--LegalEntityAxis__custom--PFMMember_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Current Accrual"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1603"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--AccruedEnvironmentalLossContingenciesNoncurrent_c20211231__dei--LegalEntityAxis__custom--PFMMember_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Long-term Accrual"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;15&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--AccrualForEnvironmentalLossContingencies_c20211231__dei--LegalEntityAxis__custom--PFMMember_pn3n3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;15&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;PFSG&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--AccruedEnvironmentalLossContingenciesCurrent_c20211231__dei--LegalEntityAxis__custom--PFSGMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Current Accrual"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;341&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--AccruedEnvironmentalLossContingenciesNoncurrent_c20211231__dei--LegalEntityAxis__custom--PFSGMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Long-term Accrual"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;452&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--AccrualForEnvironmentalLossContingencies_c20211231__dei--LegalEntityAxis__custom--PFSGMember_pn3n3" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;793&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total liability&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--AccruedEnvironmentalLossContingenciesCurrent_iI_pn3n3_c20211231_zpBQpwOwmMn5" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Current Accrual"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;349&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--AccruedEnvironmentalLossContingenciesNoncurrent_c20211231_pn3n3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Long-term Accrual"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;527&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--AccrualForEnvironmentalLossContingencies_iI_pn3n3_c20211231_zl0Oeoet8jw3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;876&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;


</us-gaap:ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock>
    <us-gaap:AccruedEnvironmentalLossContingenciesCurrent
      contextRef="AsOf2021-12-31_custom_PFDMember"
      decimals="-3"
      unitRef="USD">8000</us-gaap:AccruedEnvironmentalLossContingenciesCurrent>
    <us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent
      contextRef="AsOf2021-12-31_custom_PFDMember"
      decimals="-3"
      unitRef="USD">60000</us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent>
    <us-gaap:AccrualForEnvironmentalLossContingencies
      contextRef="AsOf2021-12-31_custom_PFDMember"
      decimals="-3"
      unitRef="USD">68000</us-gaap:AccrualForEnvironmentalLossContingencies>
    <us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent
      contextRef="AsOf2021-12-31_custom_PFMMember"
      decimals="-3"
      unitRef="USD">15000</us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent>
    <us-gaap:AccrualForEnvironmentalLossContingencies
      contextRef="AsOf2021-12-31_custom_PFMMember"
      decimals="-3"
      unitRef="USD">15000</us-gaap:AccrualForEnvironmentalLossContingencies>
    <us-gaap:AccruedEnvironmentalLossContingenciesCurrent
      contextRef="AsOf2021-12-31_custom_PFSGMember"
      decimals="-3"
      unitRef="USD">341000</us-gaap:AccruedEnvironmentalLossContingenciesCurrent>
    <us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent
      contextRef="AsOf2021-12-31_custom_PFSGMember"
      decimals="-3"
      unitRef="USD">452000</us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent>
    <us-gaap:AccrualForEnvironmentalLossContingencies
      contextRef="AsOf2021-12-31_custom_PFSGMember"
      decimals="-3"
      unitRef="USD">793000</us-gaap:AccrualForEnvironmentalLossContingencies>
    <us-gaap:AccruedEnvironmentalLossContingenciesCurrent contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">349000</us-gaap:AccruedEnvironmentalLossContingenciesCurrent>
    <us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">527000</us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent>
    <us-gaap:AccrualForEnvironmentalLossContingencies contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">876000</us-gaap:AccrualForEnvironmentalLossContingencies>
    <us-gaap:LongTermDebtTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_80B_eus-gaap--LongTermDebtTextBlock_zoyvmxUBXxP" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;NOTE
10&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_825_zyy2oiTFLAcj"&gt;LONG-TERM
DEBT&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_897_eus-gaap--ScheduleOfDebtInstrumentsTextBlock_zS2apXxVNghc" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Long-term
debt consists of the following at December 31, 2021 and December 31, 2020:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8BA_zjuae0j4Hfr2" style="display: none"&gt;SCHEDULE OF LONG TERM DEBT&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table cellpadding="0" cellspacing="0" style="font: 9.5pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(Amounts in Thousands)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_49C_20211231_zX6Jwoc1IrUc" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_49C_20201231_zBPXl0YuGKwi" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_400_eus-gaap--LongTermDebt_iI_pn3n3_hus-gaap--LongtermDebtTypeAxis__custom--RevolvingCreditMember_zrlvgPx0jJMc" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt"&gt;&lt;b&gt;Revolving
    Credit&lt;/b&gt; facility dated May 8, 2020, borrowings based upon eligible accounts receivable, subject to monthly borrowing base calculation,
    balance due on &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_905_eus-gaap--DebtInstrumentMaturityDate_dd_c20200507__20200508__us-gaap--TypeOfArrangementAxis__custom--RevolvingCreditMember_zXVZ7u6y2ssj" title="Debt due date"&gt;May 15, 2024&lt;/span&gt;. Effective interest rate for 2021 and 2020 was &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_909_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_uPure_c20211231__us-gaap--TypeOfArrangementAxis__custom--RevolvingCreditMember_zA3nFPGRMkj4" style="font: 10pt Times New Roman, Times, Serif" title="Effective interest rate"&gt;5.3%&lt;/span&gt; and &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_uPure_c20201231__us-gaap--TypeOfArrangementAxis__custom--RevolvingCreditMember_zEt8hB0UFD51" title="Effective interest rate"&gt;6.1%&lt;/span&gt;. &lt;sup id="xdx_F45_z3aC8tpxcWDj"&gt;(1) &lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1625"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1626"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt"&gt;&lt;b&gt;Term
    Loan&lt;/b&gt; dated May 8, 2020, payable in equal monthly installments of principal, balance due on &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90A_eus-gaap--DebtInstrumentMaturityDate_dd_c20200507__20200508__us-gaap--TypeOfArrangementAxis__custom--TermLoanMember_zeWdGD7tvZk2" title="Debt due date"&gt;May 15, 2024&lt;/span&gt;. Effective interest rate
    for 2021 and 2020 was &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90B_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_uPure_c20211231__us-gaap--TypeOfArrangementAxis__custom--TermLoanMember_zZf5yHCfFdTd" title="Effective interest rate"&gt;4.5%&lt;/span&gt; and &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_907_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_c20201231__us-gaap--TypeOfArrangementAxis__custom--TermLoanMember_z40l6Xwbqizf" title="Effective interest rate"&gt;5.2%&lt;/span&gt;. &lt;sup&gt;(1) &lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--LongTermDebt_iI_pn3n3_c20211231__us-gaap--LongtermDebtTypeAxis__custom--TermLoanMember_fKDEpKDIp_zTgP0ny4tKy9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;954&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;(2)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--LongTermDebt_iI_pn3n3_c20201231__us-gaap--LongtermDebtTypeAxis__custom--TermLoanMember_fKDEpKDIp_zCNeYEMd0c48" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,388&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;(2)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt"&gt;&lt;b&gt;Promissory
    Note&lt;/b&gt; dated April 14, 2020, balance of loan forgiven. Interest accrued at annual rate of &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90F_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_c20200414__us-gaap--LongtermDebtTypeAxis__custom--RelatedPartyPromissoryNoteOneMember_zxngtnvVz7Qh" title="Effective interest rate"&gt;1.0%&lt;/span&gt;. &lt;sup&gt;(3)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--LongTermDebt_iI_pn3n3_c20211231__us-gaap--LongtermDebtTypeAxis__custom--RelatedPartyPromissoryNoteOneMember_fKDMpKDQp_zDkw3ut2MTC5" style="font: 10pt Times New Roman, Times, Serif; width: 16%; text-align: right" title="Total debt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1646"&gt;&#x2014;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;(4)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--LongTermDebt_iI_pn3n3_c20201231__us-gaap--LongtermDebtTypeAxis__custom--RelatedPartyPromissoryNoteOneMember_fKDMpKDQp_zBkONtKoB0I3" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;5,318&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;(4)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_406_eus-gaap--LongTermDebt_iI_pn3n3_hus-gaap--LongtermDebtTypeAxis__custom--NotePayableMember_zODBoqEKBxIk" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;b&gt;Notes
    Payable&lt;/b&gt; to 2023 and 2025, annual interest rate of &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_c20211231__us-gaap--LongtermDebtTypeAxis__custom--NotePayableOneMember_zOGr2IFQLZ4" title="Effective interest rate"&gt;5.6%&lt;/span&gt; and &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_c20201231__us-gaap--LongtermDebtTypeAxis__custom--NotePayableOneMember_z9R27xqRaxth" title="Effective interest rate"&gt;9.1%&lt;/span&gt;.&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;39&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;23&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_406_eus-gaap--LongTermDebt_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total debt&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;993&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;6,729&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40D_eus-gaap--LongTermDebtCurrent_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Less current portion of
    long-term debt&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;393&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,595&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40E_eus-gaap--LongTermDebtNoncurrent_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Long-term debt&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;600&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,134&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -27pt"/&gt;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -27pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"/&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup/&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="width: 100%; border-collapse: collapse"&gt;
  &lt;tr style="vertical-align: top"&gt;
    &lt;td style="width: 3%"&gt;&lt;span id="xdx_F04_z8bhnUAIcot2" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(1)&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 97%"&gt;&lt;span id="xdx_F13_zB9ZzSQOUjRl" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Our
    revolving credit facility is collateralized by our accounts receivable and our term loan is collateralized by our property, plant,
    and equipment.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;
&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&#160;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="width: 100%; border-collapse: collapse"&gt;
  &lt;tr style="vertical-align: top"&gt;
    &lt;td style="width: 3%"&gt;&lt;span id="xdx_F02_zncSiQYm3i25" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(2)&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 97%"&gt;&lt;span id="xdx_F1E_zdsvHIgpLU2" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Net
    of debt issuance/debt discount costs of ($&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90B_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20211231_zxv0W3sUClif" title="Debt issuance costs net"&gt;112,000&lt;/span&gt;) and ($&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20201231_zM0KwtufEN59" title="Debt issuance costs net"&gt;105,000&lt;/span&gt;) at December 31, 2021 and December 31, 2020, respectively.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;
&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup/&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"/&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b/&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="width: 100%; border-collapse: collapse"&gt;
  &lt;tr style="vertical-align: top"&gt;
    &lt;td style="width: 3%"&gt;&lt;span id="xdx_F0C_zWOp5ELx4fV1" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(3)&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 97%"&gt;&lt;span id="xdx_F11_z3pteyhMrab" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Uncollateralized
    note.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;
&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b/&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="width: 100%; border-collapse: collapse"&gt;
  &lt;tr style="vertical-align: top"&gt;
    &lt;td style="width: 3%"&gt;&lt;span id="xdx_F02_zUD9yETeTes2" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(4)&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 97%"&gt;&lt;span id="xdx_F1C_zfFY9fuztTqc" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Entered
    into with the Company&#x2019;s credit facility lender under the PPP under the CARES Act (see &#x201c;PPP Loan&#x201d; below for information
    regarding forgiveness on the entire loan balance, along with accrued interest, effective June 15, 2021).&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;
&lt;p id="xdx_8AE_zpeK0tRY67ol" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b/&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Revolving
Credit and Term Loan Agreement&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company entered into a Second Amended and Restated Revolving Credit, Term Loan and Security Agreement, dated May 8, 2020 (&#x201c;Loan
Agreement&#x201d;), with PNC National Association (&#x201c;PNC&#x201d;), acting as agent and lender. The Loan Agreement provides the Company
with the following credit facility with a maturity date of &lt;span id="xdx_90B_eus-gaap--DebtInstrumentMaturityDate_dd_c20200506__20200508__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember__us-gaap--DebtInstrumentAxis__custom--RevisedLoanAgreementMember__dei--LegalEntityAxis__custom--PNCBankMember_z2XqaT3Hxu9k" title="Debt instrument maturity date"&gt;March 15, 2024&lt;/span&gt;: (a) up to $&lt;span id="xdx_907_eus-gaap--LineOfCreditFacilityMaximumBorrowingCapacity_iI_pp0p0_c20200508__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember__us-gaap--DebtInstrumentAxis__custom--RevisedLoanAgreementMember__dei--LegalEntityAxis__custom--PNCBankMember_zNe2XKyJ5srl" title="Line of credit facility, maximum borrowing capacity"&gt;18,000,000&lt;/span&gt; revolving credit (&#x201c;revolving credit&#x201d;)
and (b) a term loan (&#x201c;term loan&#x201d;) of approximately $&lt;span id="xdx_906_eus-gaap--LongTermDebt_iI_pp0p0_c20200508__us-gaap--DebtInstrumentAxis__custom--RevisedLoanAgreementMember__dei--LegalEntityAxis__custom--PNCBankMember__us-gaap--LongtermDebtTypeAxis__custom--TermLoanMember_zOqB1LoJRhk7" title="Long-term debt"&gt;1,742,000&lt;/span&gt;, requiring monthly installments of $&lt;span id="xdx_904_eus-gaap--DebtInstrumentPeriodicPayment_pp0p0_c20200506__20200508__us-gaap--DebtInstrumentAxis__custom--RevisedLoanAgreementMember__dei--LegalEntityAxis__custom--PNCBankMember__us-gaap--LongtermDebtTypeAxis__custom--TermLoanMember_zU8quMz5XAE8" title="Debt instrument periodic payment"&gt;35,547&lt;/span&gt;. The maximum that
the Company can borrow under the revolving credit is based on a percentage of eligible receivables (as defined) at any one time reduced
by outstanding standby letters of credit and borrowing reductions that our lender may impose from time to time.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;On
May 4, 2021, the Company entered into an amendment to the Loan Agreement with its lender which provided the following, among other things:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;revised
    the Company&#x2019;s FCCR calculation requirement which allows for the add-back of approximately $&lt;span id="xdx_901_ecustom--EligibleExpensesUnderPPPLoan_iI_pp0p0_c20210504__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramMember_zpg1BCfhD56l" title="Eligible expenses incurred in connection with the PPP loan"&gt;5,318,000&lt;/span&gt; in eligible expenses that
    were incurred and covered by the PPP Loan that the Company received in 2020. The add-back is to be applied retroactively to the second
    and third quarters of 2020. (see below for a discussion of the PPP Loan); and&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;a
    capital expenditure line of up to $&lt;span id="xdx_90B_eus-gaap--LineOfCreditFacilityCurrentBorrowingCapacity_iI_pp0p0_c20210504_zag1tZZEDqs7" title="Line of Credit Facility, Current Borrowing Capacity"&gt;1,000,000&lt;/span&gt; with advances on the line, subject to certain limitations, permitted for up to twelve
    months starting May 4, 2021 (the &#x201c;Borrowing Period&#x201d;). Only interest is payable on advances during the Borrowing Period
    (see annual rate of interest below on the capital expenditure line). At the end of the Borrowing Period, the total amount advanced
    under the line will amortize equally based on a five-year amortization schedule with principal payment due monthly plus interest.
    At the maturity date of the Loan Agreement, any unpaid principal balance plus interest, if any, will become due. No advance on the
    capital line has been made as of December 31, 2021.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;
&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;In
connection with the amendment, the Company paid its lender a fee of $&lt;span id="xdx_901_eus-gaap--DebtInstrumentFeeAmount_iI_c20210504_zWx2AJJ0phrc" title="Lender fee value"&gt;15,000&lt;/span&gt; which is being amortized over the remaining term of the Loan
Agreement, as amended, as interest expense-financing fees.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;On
August 10, 2021, the Company entered into another amendment to the Loan Agreement with its lender which provided, among other things,
the following:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;waived
    the Company&#x2019;s failure to meet the minimum quarterly FCCR requirement for the second quarter of 2021;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;removes
    the quarterly FCCR testing requirement for the third quarter of 2021;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;reinstates
    &lt;span id="xdx_90F_eus-gaap--DebtInstrumentDescription_c20210809__20210810__us-gaap--TypeOfArrangementAxis__custom--LoanAgreementMember_z6GizflUknS3"&gt;the quarterly FCCR testing requirement starting for the fourth quarter of 2021 and revises the methodology to be used in calculating
    the FCCR for the quarters ending December 31, 2021, March 31, 2022, and June 30, 2022 (with no change to the minimum 1.15:1 ratio
    requirement for each quarter)&lt;/span&gt;; and&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;requires
    maintenance of a minimum of $&lt;span id="xdx_903_eus-gaap--LineOfCreditFacilityCurrentBorrowingCapacity_iI_pp0p0_c20211231__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--LeanderMember_zfrsE4tdji5" title="Debt instrument, borrowing capacity, amount"&gt;3,000,000&lt;/span&gt; in borrowing availability under the revolving credit until the minimum FCCR requirement for
    the quarter ended December 31, 2021 has been met and certified to the lender.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;
&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;In
connection with the amendment, the Company paid its lender a fee of $&lt;span id="xdx_901_eus-gaap--DebtInstrumentFeeAmount_iI_c20210504_zgcj84TcQER1"&gt;15,000&lt;/span&gt; which is being amortized over the remaining term of the Loan
Agreement, as amended, as interest expense-financing fees.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Pursuant
to the Loan Agreement, as amended, payment of annual rate of interest due on the revolving credit is at prime (&lt;span id="xdx_900_eus-gaap--DebtInstrumentInterestRateStatedPercentage_iI_dp_uPure_c20211231__us-gaap--VariableRateAxis__us-gaap--PrimeRateMember__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zUVNFD3ewor9" title="Interest rate"&gt;3.25%&lt;/span&gt; at December 31,
2021) plus &lt;span id="xdx_90D_eus-gaap--DebtInstrumentBasisSpreadOnVariableRate1_dp_uPure_c20210101__20211231__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember__us-gaap--VariableRateAxis__us-gaap--PrimeRateMember_z6SLZhzvHmt2" title="Debt Instrument, basis spread on variable rate"&gt;2%&lt;/span&gt; or London InterBank Offer Rate (&#x201c;LIBOR&#x201d;) plus &lt;span id="xdx_90B_eus-gaap--DebtInstrumentBasisSpreadOnVariableRate1_dp_uPure_c20210101__20211231__us-gaap--VariableRateAxis__us-gaap--LondonInterbankOfferedRateLIBORMember__us-gaap--TypeOfArrangementAxis__custom--LoanAgreementMember_zhN9o4juaYdk" title="Debt Instrument, basis spread on variable rate"&gt;3.00%&lt;/span&gt; and the term loan and the capital expenditure line at prime
plus &lt;span id="xdx_90B_eus-gaap--DebtInstrumentBasisSpreadOnVariableRate1_dp_uPure_c20210101__20211231__us-gaap--VariableRateAxis__us-gaap--PrimeRateMember__us-gaap--TypeOfArrangementAxis__custom--LoanAgreementMember__us-gaap--DebtInstrumentAxis__custom--CapitalExpenditureMember_z19F8aOzC832" title="Debt Instrument, basis spread on variable rate"&gt;2.50%&lt;/span&gt; or LIBOR plus &lt;span id="xdx_900_eus-gaap--DebtInstrumentBasisSpreadOnVariableRate1_dp_uPure_c20210101__20211231__us-gaap--TypeOfArrangementAxis__custom--LoanAgreementMember__us-gaap--VariableRateAxis__us-gaap--LondonInterbankOfferedRateLIBORMember__us-gaap--DebtInstrumentAxis__custom--CapitalExpenditureMember_zvD2WnTlrQK4" title="Debt Instrument, basis spread on variable rate"&gt;3.50%&lt;/span&gt;. Under the LIBOR option of interest payment, a LIBOR floor of &lt;span title="Capital increase expenditure Interest rate"&gt;&lt;span id="xdx_908_eus-gaap--DebtInstrumentBasisSpreadOnVariableRate1_dp_uPure_c20210101__20211231__us-gaap--VariableRateAxis__us-gaap--LondonInterbankOfferedRateLIBORMember_zEYv15ngba2j"&gt;0.75&lt;/span&gt;%&lt;/span&gt; applies in the event that LIBOR falls
below &lt;span id="xdx_90B_eus-gaap--DebtInstrumentBasisSpreadOnVariableRate1_dp_uPure_c20210101__20211231__us-gaap--VariableRateAxis__us-gaap--LondonInterbankOfferedRateLIBORMember_zO4BxHiWkmpj" title="Debt Instrument, basis spread on variable rate"&gt;0.75%&lt;/span&gt; at any point in time.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span id="xdx_909_eus-gaap--DebtInstrumentDescription_c20210101__20211231__us-gaap--TypeOfArrangementAxis__custom--LoanAgreementMember_zOPd6cI7yU6c"&gt;The
Company may terminate its Loan Agreement, as amended upon 90 days&#x2019; prior written notice upon payment in full of our obligations
under the Loan Agreement. The Company agreed to pay PNC 1.0% of the total financing had the Company paid off its obligations on or before
May 7, 2021 and 0.5% of the total financing if the Company pays off its obligations after May 7, 2021 but prior to or on May 7, 2022.
No early termination fee will apply if the Company pays off its obligations under the Loan Agreement after May 7, 2022.&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;At
December 31, 2021, the borrowing availability under the Company&#x2019;s revolving credit was approximately $&lt;span id="xdx_904_eus-gaap--LineOfCreditFacilityRemainingBorrowingCapacity_c20211231__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_pp0p0" title="Line of credit facility, remaining borrowing capacity"&gt;8,692,000&lt;/span&gt; based on our eligible
receivables and includes a reduction in borrowing availability of approximately $&lt;span id="xdx_90E_eus-gaap--LettersOfCreditOutstandingAmount_c20211231__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_pp0p0" title="Letters of credit outstanding, amount"&gt;3,020,000&lt;/span&gt; from outstanding standby letters of credit.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company&#x2019;s credit facility under its Loan Agreement, as amended, with PNC contains certain financial covenants, along with customary
representations and warranties. A breach of any of these financial covenants, unless waived by PNC, could result in a default under the
credit facility allowing our lender to immediately require the repayment of all outstanding debt under our credit facility and terminate
all commitments to extend further credit. The Company&#x2019;s Loan Agreement prohibits us from paying cash dividends on our Common Stock
without prior approval from our lender. The Company met its financial covenant requirements in the first quarter of 2021. The Company&#x2019;s
FCCR calculation in the first quarter of 2021 included the add-back of approximately $&lt;span id="xdx_90F_ecustom--EligibleExpensesUnderPPPLoan_iI_c20211231__us-gaap--TypeOfArrangementAxis__custom--LoanAgreementMember_zoV5S0idNwk2"&gt;5,318,000
&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;in eligible expenses that were incurred and covered
by the PPP Loan that the Company received in 2020 as permitted by the amendment dated May 4, 2021 to the Company&#x2019;s Loan Agreement
as discussed above. The Company did not meet its FCCR requirement in the second quarter of 2021. However, this FCCR non-compliance was
waived by the Company&#x2019;s lender pursuant to the amendment dated August 10, 2021 to the Company&#x2019;s Loan Agreement as discussed
above. The Company was not required to test its FCCR for the third quarter 2021 pursuant to the August 10, 2021 amendment to the Loan
Agreement. The Company met its financial covenant requirements for the fourth quarter of 2021, with the exception of the FCCR requirement;
however, this non-compliance was waived by the Company&#x2019;s lender pursuant to an amendment to our Loan Agreement dated March 29,
2022 (see &#x201c;Note 21 - Subsequent Events &#x2013; Credit Facility&#x201d; for a discussion of this waiver and additional provisions
of this amendment).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;PPP
Loan&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;On
April 14, 2020, the Company entered into a promissory note under the PPP with PNC, our credit facility lender, which had a balance of
approximately $&lt;span id="xdx_900_eus-gaap--LongTermDebt_iI_pp0p0_c20200414__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember__srt--TitleOfIndividualAxis__custom--LenderMember_zsQwXJ5nmUZi" title="Total debt"&gt;5,318,000&lt;/span&gt; (the &#x201c;PPP Loan&#x201d;). The PPP was established under the CARES Act and is administered by the SBA. The
CARES Act was subsequently amended by the Flexibility Act. Proceeds from the promissory note was used by the Company for eligible payroll
costs, mortgage interest, rent and utility costs as permitted under the Flexibility Act. The annual interest rate on the PPP Loan is
&lt;span id="xdx_90D_eus-gaap--DebtInstrumentInterestRateDuringPeriod_dp_uPure_c20200413__20200414__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zKWEMhfcwY6c" title="Debt interest rate"&gt;1.0%&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;On
October 5, 2020, the Company applied for forgiveness on repayment of the PPP Loan as permitted under the Flexibility Act. On July 1,
2021, the Company was notified by PNC that the entire balance of the PPP Loan of approximately $&lt;span id="xdx_908_eus-gaap--DebtInstrumentDecreaseForgiveness_pp0p0_c20210614__20210615__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember__srt--TitleOfIndividualAxis__custom--LenderMember_zybxPvMaJs6c" title="Debt Instrument, Decrease, Forgiveness"&gt;5,318,000&lt;/span&gt;, along with accrued interest
of approximately $&lt;span id="xdx_90B_ecustom--InterestForgiveness_pp0p0_c20210614__20210615__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember__srt--TitleOfIndividualAxis__custom--LenderMember_zDjzsMBdEtBg" title="Interest forgiveness"&gt;63,000&lt;/span&gt; was forgiven by the SBA, effective June 15, 2021. Accordingly, the Company recorded the entire forgiven PPP
Loan balance, along with accrued interest, totaling approximately $&lt;span id="xdx_90E_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pp0p0_c20210101__20211231__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zoIjQscljnUh" title="Gain (loss) on extinguishment of debt"&gt;5,381,000&lt;/span&gt; as &#x201c;Gain on extinguishment of debt&#x201d; on its Consolidated
Statement of Operations for the year ended 2021.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_89E_eus-gaap--ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_z1SFKERHmdF5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
following table details the amount of the maturities of long-term debt maturing in future years at December 31, 2021 (excludes debt issuance
costs of $112,000).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8B9_z1PGT6OX3U04" style="display: none"&gt;SCHEDULE OF MATURITIES OF LONG-TERM DEBT&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 50%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Year ending December 31:&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 54%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 20%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_iI_pn3n3_maLT_c20211231_zNKJpTXTc4c1" style="font-family: Times New Roman, Times, Serif; width: 20%; text-align: right" title="2022"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;441&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_iI_pn3n3_maLT_c20211231_ztEnQtbVd15e" style="font-family: Times New Roman, Times, Serif; text-align: right" title="2023"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;437&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_iI_pn3n3_maLT_c20211231_zRRZLLw66vef" style="font-family: Times New Roman, Times, Serif; text-align: right" title="2024"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;220&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_iI_pn3n3_maLT_c20211231_zjZOeopi3REg" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="2025"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;7&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--DebtInstrumentCarryingAmount_iTI_pn3n3_mtLT_c20211231_z3oPgZ6eLGH5" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,105&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8A4_zShgLJbamEqj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:LongTermDebtTextBlock>
    <us-gaap:ScheduleOfDebtInstrumentsTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_897_eus-gaap--ScheduleOfDebtInstrumentsTextBlock_zS2apXxVNghc" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Long-term
debt consists of the following at December 31, 2021 and December 31, 2020:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8BA_zjuae0j4Hfr2" style="display: none"&gt;SCHEDULE OF LONG TERM DEBT&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table cellpadding="0" cellspacing="0" style="font: 9.5pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(Amounts in Thousands)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_49C_20211231_zX6Jwoc1IrUc" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_49C_20201231_zBPXl0YuGKwi" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;December
    31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_400_eus-gaap--LongTermDebt_iI_pn3n3_hus-gaap--LongtermDebtTypeAxis__custom--RevolvingCreditMember_zrlvgPx0jJMc" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt"&gt;&lt;b&gt;Revolving
    Credit&lt;/b&gt; facility dated May 8, 2020, borrowings based upon eligible accounts receivable, subject to monthly borrowing base calculation,
    balance due on &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_905_eus-gaap--DebtInstrumentMaturityDate_dd_c20200507__20200508__us-gaap--TypeOfArrangementAxis__custom--RevolvingCreditMember_zXVZ7u6y2ssj" title="Debt due date"&gt;May 15, 2024&lt;/span&gt;. Effective interest rate for 2021 and 2020 was &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_909_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_uPure_c20211231__us-gaap--TypeOfArrangementAxis__custom--RevolvingCreditMember_zA3nFPGRMkj4" style="font: 10pt Times New Roman, Times, Serif" title="Effective interest rate"&gt;5.3%&lt;/span&gt; and &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_uPure_c20201231__us-gaap--TypeOfArrangementAxis__custom--RevolvingCreditMember_zEt8hB0UFD51" title="Effective interest rate"&gt;6.1%&lt;/span&gt;. &lt;sup id="xdx_F45_z3aC8tpxcWDj"&gt;(1) &lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1625"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1626"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt"&gt;&lt;b&gt;Term
    Loan&lt;/b&gt; dated May 8, 2020, payable in equal monthly installments of principal, balance due on &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90A_eus-gaap--DebtInstrumentMaturityDate_dd_c20200507__20200508__us-gaap--TypeOfArrangementAxis__custom--TermLoanMember_zeWdGD7tvZk2" title="Debt due date"&gt;May 15, 2024&lt;/span&gt;. Effective interest rate
    for 2021 and 2020 was &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90B_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_uPure_c20211231__us-gaap--TypeOfArrangementAxis__custom--TermLoanMember_zZf5yHCfFdTd" title="Effective interest rate"&gt;4.5%&lt;/span&gt; and &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_907_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_c20201231__us-gaap--TypeOfArrangementAxis__custom--TermLoanMember_z40l6Xwbqizf" title="Effective interest rate"&gt;5.2%&lt;/span&gt;. &lt;sup&gt;(1) &lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--LongTermDebt_iI_pn3n3_c20211231__us-gaap--LongtermDebtTypeAxis__custom--TermLoanMember_fKDEpKDIp_zTgP0ny4tKy9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;954&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;(2)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--LongTermDebt_iI_pn3n3_c20201231__us-gaap--LongtermDebtTypeAxis__custom--TermLoanMember_fKDEpKDIp_zCNeYEMd0c48" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,388&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;(2)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 9.5pt"&gt;&lt;b&gt;Promissory
    Note&lt;/b&gt; dated April 14, 2020, balance of loan forgiven. Interest accrued at annual rate of &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90F_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_c20200414__us-gaap--LongtermDebtTypeAxis__custom--RelatedPartyPromissoryNoteOneMember_zxngtnvVz7Qh" title="Effective interest rate"&gt;1.0%&lt;/span&gt;. &lt;sup&gt;(3)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--LongTermDebt_iI_pn3n3_c20211231__us-gaap--LongtermDebtTypeAxis__custom--RelatedPartyPromissoryNoteOneMember_fKDMpKDQp_zDkw3ut2MTC5" style="font: 10pt Times New Roman, Times, Serif; width: 16%; text-align: right" title="Total debt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1646"&gt;&#x2014;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;(4)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--LongTermDebt_iI_pn3n3_c20201231__us-gaap--LongtermDebtTypeAxis__custom--RelatedPartyPromissoryNoteOneMember_fKDMpKDQp_zBkONtKoB0I3" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;5,318&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;(4)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_406_eus-gaap--LongTermDebt_iI_pn3n3_hus-gaap--LongtermDebtTypeAxis__custom--NotePayableMember_zODBoqEKBxIk" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;b&gt;Notes
    Payable&lt;/b&gt; to 2023 and 2025, annual interest rate of &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_c20211231__us-gaap--LongtermDebtTypeAxis__custom--NotePayableOneMember_zOGr2IFQLZ4" title="Effective interest rate"&gt;5.6%&lt;/span&gt; and &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--DebtInstrumentInterestRateEffectivePercentage_iI_pid_dp_c20201231__us-gaap--LongtermDebtTypeAxis__custom--NotePayableOneMember_z9R27xqRaxth" title="Effective interest rate"&gt;9.1%&lt;/span&gt;.&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;39&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;23&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_406_eus-gaap--LongTermDebt_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total debt&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;993&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;6,729&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40D_eus-gaap--LongTermDebtCurrent_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Less current portion of
    long-term debt&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;393&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,595&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40E_eus-gaap--LongTermDebtNoncurrent_iI_pn3n3" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Long-term debt&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;600&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,134&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -27pt"/&gt;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -27pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"/&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup/&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="width: 100%; border-collapse: collapse"&gt;
  &lt;tr style="vertical-align: top"&gt;
    &lt;td style="width: 3%"&gt;&lt;span id="xdx_F04_z8bhnUAIcot2" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(1)&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 97%"&gt;&lt;span id="xdx_F13_zB9ZzSQOUjRl" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Our
    revolving credit facility is collateralized by our accounts receivable and our term loan is collateralized by our property, plant,
    and equipment.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;
&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&#160;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="width: 100%; border-collapse: collapse"&gt;
  &lt;tr style="vertical-align: top"&gt;
    &lt;td style="width: 3%"&gt;&lt;span id="xdx_F02_zncSiQYm3i25" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(2)&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 97%"&gt;&lt;span id="xdx_F1E_zdsvHIgpLU2" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Net
    of debt issuance/debt discount costs of ($&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90B_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20211231_zxv0W3sUClif" title="Debt issuance costs net"&gt;112,000&lt;/span&gt;) and ($&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20201231_zM0KwtufEN59" title="Debt issuance costs net"&gt;105,000&lt;/span&gt;) at December 31, 2021 and December 31, 2020, respectively.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;
&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup/&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"/&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b/&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="width: 100%; border-collapse: collapse"&gt;
  &lt;tr style="vertical-align: top"&gt;
    &lt;td style="width: 3%"&gt;&lt;span id="xdx_F0C_zWOp5ELx4fV1" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(3)&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 97%"&gt;&lt;span id="xdx_F11_z3pteyhMrab" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Uncollateralized
    note.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;
&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b/&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="width: 100%; border-collapse: collapse"&gt;
  &lt;tr style="vertical-align: top"&gt;
    &lt;td style="width: 3%"&gt;&lt;span id="xdx_F02_zUD9yETeTes2" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(4)&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 97%"&gt;&lt;span id="xdx_F1C_zfFY9fuztTqc" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Entered
    into with the Company&#x2019;s credit facility lender under the PPP under the CARES Act (see &#x201c;PPP Loan&#x201d; below for information
    regarding forgiveness on the entire loan balance, along with accrued interest, effective June 15, 2021).&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;
</us-gaap:ScheduleOfDebtInstrumentsTextBlock>
    <us-gaap:DebtInstrumentMaturityDate contextRef="From2020-05-072020-05-08_custom_RevolvingCreditMember">2024-05-15</us-gaap:DebtInstrumentMaturityDate>
    <us-gaap:DebtInstrumentInterestRateEffectivePercentage
      contextRef="AsOf2021-12-31_custom_RevolvingCreditMember182924796"
      decimals="INF"
      unitRef="Pure">0.053</us-gaap:DebtInstrumentInterestRateEffectivePercentage>
    <us-gaap:DebtInstrumentInterestRateEffectivePercentage
      contextRef="AsOf2020-12-31_custom_RevolvingCreditMember182924796"
      decimals="INF"
      unitRef="Pure">0.061</us-gaap:DebtInstrumentInterestRateEffectivePercentage>
    <us-gaap:DebtInstrumentMaturityDate contextRef="From2020-05-072020-05-08_custom_TermLoanMember">2024-05-15</us-gaap:DebtInstrumentMaturityDate>
    <us-gaap:DebtInstrumentInterestRateEffectivePercentage
      contextRef="AsOf2021-12-31_custom_TermLoanMember182924812"
      decimals="INF"
      unitRef="Pure">0.045</us-gaap:DebtInstrumentInterestRateEffectivePercentage>
    <us-gaap:DebtInstrumentInterestRateEffectivePercentage
      contextRef="AsOf2020-12-31_custom_TermLoanMember182924828"
      decimals="INF"
      unitRef="Pure">0.052</us-gaap:DebtInstrumentInterestRateEffectivePercentage>
    <us-gaap:LongTermDebt
      contextRef="AsOf2021-12-31_custom_TermLoanMember"
      decimals="-3"
      id="Fact001640"
      unitRef="USD">954000</us-gaap:LongTermDebt>
    <us-gaap:LongTermDebt
      contextRef="AsOf2020-12-31_custom_TermLoanMember"
      decimals="-3"
      id="Fact001642"
      unitRef="USD">1388000</us-gaap:LongTermDebt>
    <us-gaap:DebtInstrumentInterestRateEffectivePercentage
      contextRef="AsOf2020-04-14_custom_RelatedPartyPromissoryNoteOneMember"
      decimals="INF"
      unitRef="Pure">0.010</us-gaap:DebtInstrumentInterestRateEffectivePercentage>
    <us-gaap:LongTermDebt
      contextRef="AsOf2020-12-31_custom_RelatedPartyPromissoryNoteOneMember"
      decimals="-3"
      id="Fact001648"
      unitRef="USD">5318000</us-gaap:LongTermDebt>
    <us-gaap:DebtInstrumentInterestRateEffectivePercentage
      contextRef="AsOf2021-12-31_custom_NotePayableOneMember"
      decimals="INF"
      unitRef="Pure">0.056</us-gaap:DebtInstrumentInterestRateEffectivePercentage>
    <us-gaap:DebtInstrumentInterestRateEffectivePercentage
      contextRef="AsOf2020-12-31_custom_NotePayableOneMember"
      decimals="INF"
      unitRef="Pure">0.091</us-gaap:DebtInstrumentInterestRateEffectivePercentage>
    <us-gaap:LongTermDebt
      contextRef="AsOf2021-12-31_custom_NotePayableMember"
      decimals="-3"
      unitRef="USD">39000</us-gaap:LongTermDebt>
    <us-gaap:LongTermDebt
      contextRef="AsOf2020-12-31_custom_NotePayableMember"
      decimals="-3"
      unitRef="USD">23000</us-gaap:LongTermDebt>
    <us-gaap:LongTermDebt contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">993000</us-gaap:LongTermDebt>
    <us-gaap:LongTermDebt contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">6729000</us-gaap:LongTermDebt>
    <us-gaap:LongTermDebtCurrent contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">393000</us-gaap:LongTermDebtCurrent>
    <us-gaap:LongTermDebtCurrent contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">3595000</us-gaap:LongTermDebtCurrent>
    <us-gaap:LongTermDebtNoncurrent contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">600000</us-gaap:LongTermDebtNoncurrent>
    <us-gaap:LongTermDebtNoncurrent contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">3134000</us-gaap:LongTermDebtNoncurrent>
    <us-gaap:DeferredFinanceCostsNet contextRef="AsOf2021-12-31" decimals="0" unitRef="USD">112000</us-gaap:DeferredFinanceCostsNet>
    <us-gaap:DeferredFinanceCostsNet contextRef="AsOf2020-12-31" decimals="0" unitRef="USD">105000</us-gaap:DeferredFinanceCostsNet>
    <us-gaap:DebtInstrumentMaturityDate contextRef="From2020-05-062020-05-08_us-gaap_RevolvingCreditFacilityMember_custom_RevisedLoanAgreementMember_custom_PNCBankMember">2024-03-15</us-gaap:DebtInstrumentMaturityDate>
    <us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
      contextRef="AsOf2020-05-08_us-gaap_RevolvingCreditFacilityMember_custom_RevisedLoanAgreementMember_custom_PNCBankMember"
      decimals="0"
      unitRef="USD">18000000</us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity>
    <us-gaap:LongTermDebt
      contextRef="AsOf2020-05-08_custom_RevisedLoanAgreementMember_custom_PNCBankMember_custom_TermLoanMember"
      decimals="0"
      unitRef="USD">1742000</us-gaap:LongTermDebt>
    <us-gaap:DebtInstrumentPeriodicPayment
      contextRef="From2020-05-062020-05-08_custom_RevisedLoanAgreementMember_custom_PNCBankMember_custom_TermLoanMember"
      decimals="0"
      unitRef="USD">35547</us-gaap:DebtInstrumentPeriodicPayment>
    <PESI:EligibleExpensesUnderPPPLoan
      contextRef="AsOf2021-05-04_custom_PaycheckProtectionProgramMember"
      decimals="0"
      unitRef="USD">5318000</PESI:EligibleExpensesUnderPPPLoan>
    <us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity contextRef="AsOf2021-05-04" decimals="0" unitRef="USD">1000000</us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity>
    <us-gaap:DebtInstrumentFeeAmount contextRef="AsOf2021-05-04" decimals="0" unitRef="USD">15000</us-gaap:DebtInstrumentFeeAmount>
    <us-gaap:DebtInstrumentDescription contextRef="From2021-08-092021-08-10_custom_LoanAgreementMember">the quarterly FCCR testing requirement starting for the fourth quarter of 2021 and revises the methodology to be used in calculating
    the FCCR for the quarters ending December 31, 2021, March 31, 2022, and June 30, 2022 (with no change to the minimum 1.15:1 ratio
    requirement for each quarter)</us-gaap:DebtInstrumentDescription>
    <us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity
      contextRef="AsOf2021-12-31_us-gaap_RevolvingCreditFacilityMember_custom_LeanderMember"
      decimals="0"
      unitRef="USD">3000000</us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity>
    <us-gaap:DebtInstrumentFeeAmount contextRef="AsOf2021-05-04" decimals="0" unitRef="USD">15000</us-gaap:DebtInstrumentFeeAmount>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="AsOf2021-12-31_us-gaap_PrimeRateMember_us-gaap_RevolvingCreditFacilityMember"
      decimals="INF"
      unitRef="Pure">0.0325</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
      contextRef="From2021-01-012021-12-31_us-gaap_RevolvingCreditFacilityMember_us-gaap_PrimeRateMember"
      decimals="INF"
      unitRef="Pure">0.02</us-gaap:DebtInstrumentBasisSpreadOnVariableRate1>
    <us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
      contextRef="From2021-01-012021-12-31_us-gaap_LondonInterbankOfferedRateLIBORMember_custom_LoanAgreementMember"
      decimals="INF"
      unitRef="Pure">0.0300</us-gaap:DebtInstrumentBasisSpreadOnVariableRate1>
    <us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
      contextRef="From2021-01-012021-12-31_us-gaap_PrimeRateMember_custom_LoanAgreementMember_custom_CapitalExpenditureMember"
      decimals="INF"
      unitRef="Pure">0.0250</us-gaap:DebtInstrumentBasisSpreadOnVariableRate1>
    <us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
      contextRef="From2021-01-012021-12-31_custom_LoanAgreementMember_us-gaap_LondonInterbankOfferedRateLIBORMember_custom_CapitalExpenditureMember"
      decimals="INF"
      unitRef="Pure">0.0350</us-gaap:DebtInstrumentBasisSpreadOnVariableRate1>
    <us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
      contextRef="From2021-01-012021-12-31_us-gaap_LondonInterbankOfferedRateLIBORMember"
      decimals="INF"
      unitRef="Pure">0.0075</us-gaap:DebtInstrumentBasisSpreadOnVariableRate1>
    <us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
      contextRef="From2021-01-012021-12-31_us-gaap_LondonInterbankOfferedRateLIBORMember"
      decimals="INF"
      unitRef="Pure">0.0075</us-gaap:DebtInstrumentBasisSpreadOnVariableRate1>
    <us-gaap:DebtInstrumentDescription contextRef="From2021-01-012021-12-31_custom_LoanAgreementMember">The
Company may terminate its Loan Agreement, as amended upon 90 days&#x2019; prior written notice upon payment in full of our obligations
under the Loan Agreement. The Company agreed to pay PNC 1.0% of the total financing had the Company paid off its obligations on or before
May 7, 2021 and 0.5% of the total financing if the Company pays off its obligations after May 7, 2021 but prior to or on May 7, 2022.
No early termination fee will apply if the Company pays off its obligations under the Loan Agreement after May 7, 2022.</us-gaap:DebtInstrumentDescription>
    <us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
      contextRef="AsOf2021-12-31_us-gaap_RevolvingCreditFacilityMember"
      decimals="0"
      unitRef="USD">8692000</us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity>
    <us-gaap:LettersOfCreditOutstandingAmount
      contextRef="AsOf2021-12-31_us-gaap_RevolvingCreditFacilityMember"
      decimals="0"
      unitRef="USD">3020000</us-gaap:LettersOfCreditOutstandingAmount>
    <PESI:EligibleExpensesUnderPPPLoan
      contextRef="AsOf2021-12-31_custom_LoanAgreementMember"
      decimals="0"
      unitRef="USD">5318000</PESI:EligibleExpensesUnderPPPLoan>
    <us-gaap:LongTermDebt
      contextRef="AsOf2020-04-14_custom_PaycheckProtectionProgramLoanMember_custom_LenderMember"
      decimals="0"
      unitRef="USD">5318000</us-gaap:LongTermDebt>
    <us-gaap:DebtInstrumentInterestRateDuringPeriod
      contextRef="From2020-04-132020-04-14_custom_PaycheckProtectionProgramLoanMember"
      decimals="INF"
      unitRef="Pure">0.010</us-gaap:DebtInstrumentInterestRateDuringPeriod>
    <us-gaap:DebtInstrumentDecreaseForgiveness
      contextRef="From2021-06-142021-06-15_custom_PaycheckProtectionProgramLoanMember_custom_LenderMember"
      decimals="0"
      unitRef="USD">5318000</us-gaap:DebtInstrumentDecreaseForgiveness>
    <PESI:InterestForgiveness
      contextRef="From2021-06-142021-06-15_custom_PaycheckProtectionProgramLoanMember_custom_LenderMember"
      decimals="0"
      unitRef="USD">63000</PESI:InterestForgiveness>
    <us-gaap:GainsLossesOnExtinguishmentOfDebt
      contextRef="From2021-01-012021-12-31_custom_PaycheckProtectionProgramLoanMember"
      decimals="0"
      unitRef="USD">5381000</us-gaap:GainsLossesOnExtinguishmentOfDebt>
    <us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_89E_eus-gaap--ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_z1SFKERHmdF5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
following table details the amount of the maturities of long-term debt maturing in future years at December 31, 2021 (excludes debt issuance
costs of $112,000).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8B9_z1PGT6OX3U04" style="display: none"&gt;SCHEDULE OF MATURITIES OF LONG-TERM DEBT&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 50%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Year ending December 31:&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 54%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 20%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_iI_pn3n3_maLT_c20211231_zNKJpTXTc4c1" style="font-family: Times New Roman, Times, Serif; width: 20%; text-align: right" title="2022"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;441&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_iI_pn3n3_maLT_c20211231_ztEnQtbVd15e" style="font-family: Times New Roman, Times, Serif; text-align: right" title="2023"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;437&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_iI_pn3n3_maLT_c20211231_zRRZLLw66vef" style="font-family: Times New Roman, Times, Serif; text-align: right" title="2024"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;220&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_iI_pn3n3_maLT_c20211231_zjZOeopi3REg" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="2025"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;7&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--DebtInstrumentCarryingAmount_iTI_pn3n3_mtLT_c20211231_z3oPgZ6eLGH5" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,105&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">441000</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">437000</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">220000</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">7000</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour>
    <us-gaap:DebtInstrumentCarryingAmount contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">1105000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_80D_eus-gaap--AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_zEy56IrA5Pk6" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;NOTE
11&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_82E_znpV5u9a1V3c"&gt;ACCRUED
EXPENSES&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -4.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_894_eus-gaap--ScheduleOfAccruedLiabilitiesTableTextBlock_zyJqZDvrVU9a" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Accrued
expenses include the following (in thousands) at December 31:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span id="xdx_8B7_zZVYroIuWY62" style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;&#160;SCHEDULE
OF ACCRUED EXPENSES&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_49A_20211231_zl0IA3Mivlsj" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_49A_20201231_zAbKjvbYRRVc" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_401_eus-gaap--EmployeeRelatedLiabilitiesCurrent_iI_pn3n3_maALCzxVW_z8EF0SKmvRgl" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Salaries and employee benefits&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,049&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;4,203&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_405_eus-gaap--TaxesPayableCurrent_iI_pn3n3_maALCzxVW_zdlcRelFKAt1" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Accrued sales, property and other tax&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;183&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;589&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40E_eus-gaap--InterestPayableCurrent_iI_pn3n3_maALCzxVW_zwcjj1H9QLDe" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Interest payable&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;50&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40C_eus-gaap--AccruedInsuranceCurrent_iI_pn3n3_maALCzxVW_zxftFQl99kE8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Insurance payable&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,209&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,145&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_408_eus-gaap--OtherAccruedLiabilitiesCurrent_iI_pn3n3_maALCzxVW_zwX5PCSd4p89" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;634&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;394&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_406_eus-gaap--AccruedLiabilitiesCurrent_iTI_pn3n3_mtALCzxVW_zNpgAU09Llja" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total
    accrued expenses&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;5,078&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;6,381&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8AA_zP1uYqjO4aj4" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Accrued
expenses for 2020 included an aggregate of approximately $&lt;span id="xdx_90F_eus-gaap--OfficersCompensation_c20210101__20211231__us-gaap--PlanNameAxis__custom--TwoThousandTwentyManagementIncentivePlanMember_zqQZmi01d9me" title="Compensation expenses accrued"&gt;419,000&lt;/span&gt; in compensation expenses accrued under 2020 MIPs for our executive
officers which was paid in July 2021.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

</us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock>
    <us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_894_eus-gaap--ScheduleOfAccruedLiabilitiesTableTextBlock_zyJqZDvrVU9a" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Accrued
expenses include the following (in thousands) at December 31:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span id="xdx_8B7_zZVYroIuWY62" style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;&#160;SCHEDULE
OF ACCRUED EXPENSES&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_49A_20211231_zl0IA3Mivlsj" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_49A_20201231_zAbKjvbYRRVc" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_401_eus-gaap--EmployeeRelatedLiabilitiesCurrent_iI_pn3n3_maALCzxVW_z8EF0SKmvRgl" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Salaries and employee benefits&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,049&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;4,203&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_405_eus-gaap--TaxesPayableCurrent_iI_pn3n3_maALCzxVW_zdlcRelFKAt1" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Accrued sales, property and other tax&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;183&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;589&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40E_eus-gaap--InterestPayableCurrent_iI_pn3n3_maALCzxVW_zwcjj1H9QLDe" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Interest payable&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;50&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40C_eus-gaap--AccruedInsuranceCurrent_iI_pn3n3_maALCzxVW_zxftFQl99kE8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Insurance payable&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,209&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,145&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_408_eus-gaap--OtherAccruedLiabilitiesCurrent_iI_pn3n3_maALCzxVW_zwX5PCSd4p89" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;634&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;394&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_406_eus-gaap--AccruedLiabilitiesCurrent_iTI_pn3n3_mtALCzxVW_zNpgAU09Llja" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total
    accrued expenses&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;5,078&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;6,381&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock>
    <us-gaap:EmployeeRelatedLiabilitiesCurrent contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">3049000</us-gaap:EmployeeRelatedLiabilitiesCurrent>
    <us-gaap:EmployeeRelatedLiabilitiesCurrent contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">4203000</us-gaap:EmployeeRelatedLiabilitiesCurrent>
    <us-gaap:TaxesPayableCurrent contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">183000</us-gaap:TaxesPayableCurrent>
    <us-gaap:TaxesPayableCurrent contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">589000</us-gaap:TaxesPayableCurrent>
    <us-gaap:InterestPayableCurrent contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">3000</us-gaap:InterestPayableCurrent>
    <us-gaap:InterestPayableCurrent contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">50000</us-gaap:InterestPayableCurrent>
    <us-gaap:AccruedInsuranceCurrent contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">1209000</us-gaap:AccruedInsuranceCurrent>
    <us-gaap:AccruedInsuranceCurrent contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">1145000</us-gaap:AccruedInsuranceCurrent>
    <us-gaap:OtherAccruedLiabilitiesCurrent contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">634000</us-gaap:OtherAccruedLiabilitiesCurrent>
    <us-gaap:OtherAccruedLiabilitiesCurrent contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">394000</us-gaap:OtherAccruedLiabilitiesCurrent>
    <us-gaap:AccruedLiabilitiesCurrent contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">5078000</us-gaap:AccruedLiabilitiesCurrent>
    <us-gaap:AccruedLiabilitiesCurrent contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">6381000</us-gaap:AccruedLiabilitiesCurrent>
    <us-gaap:OfficersCompensation
      contextRef="From2021-01-012021-12-31_custom_TwoThousandTwentyManagementIncentivePlanMember"
      decimals="0"
      unitRef="USD">419000</us-gaap:OfficersCompensation>
    <us-gaap:AssetRetirementObligationDisclosureTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_80B_eus-gaap--AssetRetirementObligationDisclosureTextBlock_zeKxLmICA277" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;NOTE
12&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_821_z3d1U6X0uNw3"&gt;ACCRUED
CLOSURE COSTS AND ARO&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_891_eus-gaap--ScheduleOfChangeInAssetRetirementObligationTableTextBlock_zbXUa0EXcW7d" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Accrued
closure costs represent our estimated environmental liability to clean up our fixed-based regulated facilities as required by our permits,
in the event of closure. Changes to reported closure liabilities (current and long-term) for the years ended December 31, 2021 and 2020,
were as follows:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;&#160;&lt;span id="xdx_8B2_ztAjkZwbF9y9" style="display: none"&gt;SCHEDULE
OF CHANGE IN ASSET RETIREMENT OBLIGATION&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 50%; margin-right: auto"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amounts in thousands&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 76%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Balance as of December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--AssetRetirementObligation_iS_pn3n3_c20200101__20201231_zvTz40Uyoqia" style="font-family: Times New Roman, Times, Serif; width: 20%; text-align: right" title="Balance at beginning"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;6,041&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Accretion expense&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--AssetRetirementObligationAccretionExpense_pn3n3_c20200101__20201231_zLYtNtCYSVg6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Accretion expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;335&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Spending&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--AssetRetirementObligationLiabilitiesSettled_iN_pn3n3_di_c20200101__20201231_z3gG6KMKhve5" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Spending"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(11&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Balance as of December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--AssetRetirementObligation_iS_pn3n3_c20210101__20211231_zoqtLgxO5bCh" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Balance at beginning"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;6,365&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Accretion expense&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--AssetRetirementObligationAccretionExpense_pn3n3_c20210101__20211231_zgMdAGT71Q88" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Accretion expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;377&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Addition to closure liability&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_ecustom--AdditionToClosureLiability_pn3n3_c20210101__20211231_z3r0HEVCs844" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Addition to closure liability."&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;499&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Spending&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--AssetRetirementObligationLiabilitiesSettled_iN_pn3n3_di_c20210101__20211231_zA72uzZNIyPk" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Spending"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(50&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Balance as of December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--AssetRetirementObligation_iE_pn3n3_c20210101__20211231_zecSWmgyUORb" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Balance at end"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;7,191&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8A0_z8D48HqmCbyg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 117pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
addition to closure liabilities for 2021 reflects primarily estimated costs for decommissioning activities required to restore the leased
property at our EWOC facility back to its original condition at the end of its lease term. As of December 31, 2021, current portion of
the closure liabilities totaled approximately $&lt;span id="xdx_90C_eus-gaap--AccruedCappingClosurePostClosureAndEnvironmentalCosts_iI_c20211231_zmeZpf1GUUlj" title="Accrued closure costs - current"&gt;578,000&lt;/span&gt; which consists primarily of the closure liabilities for our EWOC facility.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_898_ecustom--ScheduleOfAssetRetirementObligationTableTextBlock_zsIlzQUAvSra" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
reported closure asset or ARO, is reported as a component of &#x201c;Net Property and equipment&#x201d; in the Consolidated Balance Sheets
at December 31, 2021 and 2020 with the following activity for the years ended December 31, 2021 and 2020:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;&#160;&lt;span id="xdx_8B0_zDMsKwH1UkVj" style="display: none"&gt;SCHEDULE
OF ASSET RETIREMENT OBLIGATIONS&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 70%; margin-right: auto"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amounts in thousands&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 78%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Balance as of December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_ecustom--ClosureAndPostClosureAssets_iS_pn3n3_c20200101__20201231_zxIIfWGYcv24" style="font-family: Times New Roman, Times, Serif; width: 18%; text-align: right" title="Balance at beginning"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,539&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amortization of closure
    and post-closure asset&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_ecustom--AmortizationOfClosureAndPostClosureAsset_pn3n3_c20200101__20201231_zosYWoyu6m2b" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Amortization of closure and post-closure asset"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(191&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Balance as of December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_ecustom--ClosureAndPostClosureAssets_iS_pn3n3_c20210101__20211231_zoPdBY92PPa9" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Balance at beginning"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,348&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Addition to closure and post-closure asset&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_ecustom--AdditionToClosureAndPostClosureAsset_pn3n3_c20210101__20211231_zG8DLRDXoEjk" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Addition to closure and post-closure asset"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;478&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amortization of closure
    and post-closure asset&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_ecustom--AmortizationOfClosureAndPostClosureAsset_pn3n3_c20210101__20211231_zCMXgVuijnbb" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Amortization of closure and post-closure asset"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(250&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Balance as of December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_ecustom--ClosureAndPostClosureAssets_iE_pn3n3_c20210101__20211231_zHe4ZSN8G5l3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Balance at end"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,576&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8A0_zC8oYnPIMPhb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 103.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
addition to ARO reflects closure obligations related to our EWOC facility as discussed above.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

</us-gaap:AssetRetirementObligationDisclosureTextBlock>
    <us-gaap:ScheduleOfChangeInAssetRetirementObligationTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_891_eus-gaap--ScheduleOfChangeInAssetRetirementObligationTableTextBlock_zbXUa0EXcW7d" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Accrued
closure costs represent our estimated environmental liability to clean up our fixed-based regulated facilities as required by our permits,
in the event of closure. Changes to reported closure liabilities (current and long-term) for the years ended December 31, 2021 and 2020,
were as follows:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;&#160;&lt;span id="xdx_8B2_ztAjkZwbF9y9" style="display: none"&gt;SCHEDULE
OF CHANGE IN ASSET RETIREMENT OBLIGATION&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 50%; margin-right: auto"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amounts in thousands&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 76%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Balance as of December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--AssetRetirementObligation_iS_pn3n3_c20200101__20201231_zvTz40Uyoqia" style="font-family: Times New Roman, Times, Serif; width: 20%; text-align: right" title="Balance at beginning"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;6,041&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Accretion expense&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--AssetRetirementObligationAccretionExpense_pn3n3_c20200101__20201231_zLYtNtCYSVg6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Accretion expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;335&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Spending&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--AssetRetirementObligationLiabilitiesSettled_iN_pn3n3_di_c20200101__20201231_z3gG6KMKhve5" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Spending"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(11&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Balance as of December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--AssetRetirementObligation_iS_pn3n3_c20210101__20211231_zoqtLgxO5bCh" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Balance at beginning"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;6,365&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Accretion expense&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--AssetRetirementObligationAccretionExpense_pn3n3_c20210101__20211231_zgMdAGT71Q88" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Accretion expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;377&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Addition to closure liability&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_ecustom--AdditionToClosureLiability_pn3n3_c20210101__20211231_z3r0HEVCs844" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Addition to closure liability."&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;499&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Spending&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--AssetRetirementObligationLiabilitiesSettled_iN_pn3n3_di_c20210101__20211231_zA72uzZNIyPk" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Spending"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(50&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Balance as of December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--AssetRetirementObligation_iE_pn3n3_c20210101__20211231_zecSWmgyUORb" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Balance at end"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;7,191&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</us-gaap:ScheduleOfChangeInAssetRetirementObligationTableTextBlock>
    <us-gaap:AssetRetirementObligation contextRef="AsOf2019-12-31" decimals="-3" unitRef="USD">6041000</us-gaap:AssetRetirementObligation>
    <us-gaap:AssetRetirementObligationAccretionExpense
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">335000</us-gaap:AssetRetirementObligationAccretionExpense>
    <us-gaap:AssetRetirementObligationLiabilitiesSettled
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">11000</us-gaap:AssetRetirementObligationLiabilitiesSettled>
    <us-gaap:AssetRetirementObligation contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">6365000</us-gaap:AssetRetirementObligation>
    <us-gaap:AssetRetirementObligationAccretionExpense
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">377000</us-gaap:AssetRetirementObligationAccretionExpense>
    <PESI:AdditionToClosureLiability
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">499000</PESI:AdditionToClosureLiability>
    <us-gaap:AssetRetirementObligationLiabilitiesSettled
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">50000</us-gaap:AssetRetirementObligationLiabilitiesSettled>
    <us-gaap:AssetRetirementObligation contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">7191000</us-gaap:AssetRetirementObligation>
    <us-gaap:AccruedCappingClosurePostClosureAndEnvironmentalCosts contextRef="AsOf2021-12-31" decimals="0" unitRef="USD">578000</us-gaap:AccruedCappingClosurePostClosureAndEnvironmentalCosts>
    <PESI:ScheduleOfAssetRetirementObligationTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_898_ecustom--ScheduleOfAssetRetirementObligationTableTextBlock_zsIlzQUAvSra" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
reported closure asset or ARO, is reported as a component of &#x201c;Net Property and equipment&#x201d; in the Consolidated Balance Sheets
at December 31, 2021 and 2020 with the following activity for the years ended December 31, 2021 and 2020:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;&#160;&lt;span id="xdx_8B0_zDMsKwH1UkVj" style="display: none"&gt;SCHEDULE
OF ASSET RETIREMENT OBLIGATIONS&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 70%; margin-right: auto"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amounts in thousands&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 78%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Balance as of December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_ecustom--ClosureAndPostClosureAssets_iS_pn3n3_c20200101__20201231_zxIIfWGYcv24" style="font-family: Times New Roman, Times, Serif; width: 18%; text-align: right" title="Balance at beginning"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,539&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amortization of closure
    and post-closure asset&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_ecustom--AmortizationOfClosureAndPostClosureAsset_pn3n3_c20200101__20201231_zosYWoyu6m2b" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Amortization of closure and post-closure asset"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(191&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Balance as of December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_ecustom--ClosureAndPostClosureAssets_iS_pn3n3_c20210101__20211231_zoPdBY92PPa9" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Balance at beginning"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,348&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Addition to closure and post-closure asset&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_ecustom--AdditionToClosureAndPostClosureAsset_pn3n3_c20210101__20211231_zG8DLRDXoEjk" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Addition to closure and post-closure asset"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;478&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Amortization of closure
    and post-closure asset&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_ecustom--AmortizationOfClosureAndPostClosureAsset_pn3n3_c20210101__20211231_zCMXgVuijnbb" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Amortization of closure and post-closure asset"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(250&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Balance as of December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_ecustom--ClosureAndPostClosureAssets_iE_pn3n3_c20210101__20211231_zHe4ZSN8G5l3" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Balance at end"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,576&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</PESI:ScheduleOfAssetRetirementObligationTableTextBlock>
    <PESI:ClosureAndPostClosureAssets contextRef="AsOf2019-12-31" decimals="-3" unitRef="USD">3539000</PESI:ClosureAndPostClosureAssets>
    <PESI:AmortizationOfClosureAndPostClosureAsset
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">-191000</PESI:AmortizationOfClosureAndPostClosureAsset>
    <PESI:ClosureAndPostClosureAssets contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">3348000</PESI:ClosureAndPostClosureAssets>
    <PESI:AdditionToClosureAndPostClosureAsset
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">478000</PESI:AdditionToClosureAndPostClosureAsset>
    <PESI:AmortizationOfClosureAndPostClosureAsset
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">-250000</PESI:AmortizationOfClosureAndPostClosureAsset>
    <PESI:ClosureAndPostClosureAssets contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">3576000</PESI:ClosureAndPostClosureAssets>
    <us-gaap:IncomeTaxDisclosureTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_808_eus-gaap--IncomeTaxDisclosureTextBlock_z3XyZx2geNQe" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;NOTE
13&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_827_zZos7IA6sYih"&gt;INCOME
TAXES&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_898_eus-gaap--ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_zvsjIlEBQbbf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
components of (loss) income before income tax benefits by jurisdiction for continuing operations for the years ended December 31, consisted
of the following (in thousands):&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;&#160;&lt;span id="xdx_8B1_z8QCcgCCTk2g" style="display: none"&gt;SCHEDULE
OF INCOME (LOSS) BEFORE INCOME TAX (BENEFIT) EXPENSE&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 80%; margin-right: auto"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;United States&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__srt--StatementGeographicalAxis__country--US_zGFg6g5xDy0g" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Income before tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(1,733&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__srt--StatementGeographicalAxis__country--US_z8kUTdXTHDi9" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Income before tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;4,778&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Canada&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__srt--StatementGeographicalAxis__country--CA_znqFkBs5JwUh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(1,880&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__srt--StatementGeographicalAxis__country--CA_zBFRLNqXU3Wb" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(1,391&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;United Kingdom&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__srt--StatementGeographicalAxis__country--GB_zV4nGC5behm4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(246&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__srt--StatementGeographicalAxis__country--GB_zgPqCru2Oj0d" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(121&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Poland&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__srt--StatementGeographicalAxis__country--PL_zeC45FbHzto6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,061&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__srt--StatementGeographicalAxis__country--PL_z5CLUQovfaHg" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(306&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total
    (loss) income before tax benefit&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231_zM8d9HGkK8Rb" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(2,798&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231_zBIsK134kNJh" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2,960&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8A9_zz2TyxSaBrW5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_899_eus-gaap--ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_zjgrXWTTAPT5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
components of current and deferred federal and state income tax (benefits) expense for continuing operations for the years ended December
31, consisted of the following (in thousands):&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;&#160;&lt;span id="xdx_8BB_zL1pIL7VOJJ1" style="display: none"&gt;SCHEDULE
OF COMPONENTS OF INCOME TAX (BENEFIT) EXPENSE&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 80%; margin-right: auto"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_499_20210101__20211231_z5QIJ2i5PFO4" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_491_20200101__20201231_zlbUVkbWcMW9" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40A_eus-gaap--DeferredFederalIncomeTaxExpenseBenefit_pn3n3_zsrgaHC9qaV2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Federal income tax (benefit) expense
    - deferred&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(3,503&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;4&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40E_eus-gaap--CurrentStateAndLocalTaxExpenseBenefit_pn3n3_zdZ0Y7298T8h" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;State income tax benefit - current&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(56&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(70&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40C_eus-gaap--ForeignIncomeTaxExpenseBenefitContinuingOperations_pn3n3_zIntjL4Bda7f" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Foreign income tax expense - current&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;26&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1826"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_403_eus-gaap--DeferredStateAndLocalIncomeTaxExpenseBenefit_pn3n3_zB9t1H7tTJQf" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;State income tax benefit
    - deferred&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(357&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(123&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40E_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_zzX5Lim6l7zi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total
    income tax benefit&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(3,890&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(189&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8AE_zzn13A20mFG6" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_89B_eus-gaap--ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_zCb7zltXSXNe" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;An
overall reconciliation between the expected tax benefit using the federal statutory rate of 21% for each of the years ended 2021 and
2020 and the benefit for income taxes from continuing operations as reported in the accompanying Consolidated Statement of Operations
is provided below (in thousands).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;&#160;&lt;span id="xdx_8B1_z4chcFeUeSO7" style="display: none"&gt;SCHEDULE
OF EFFECTIVE INCOME TAX RATE RECONCILIATION&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 90%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_490_20210101__20211231_zBDETspWTGzg" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_49C_20200101__20201231_zWuGxaVJicEk" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40B_eus-gaap--IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_pn3n3_zSPU08tKvhZd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Federal tax (benefit) expense at
    statutory rate&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(588&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;622&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40C_eus-gaap--IncomeTaxReconciliationStateAndLocalIncomeTaxes_pn3n3_z13WyOPJ84X6" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;State tax benefit, net of federal benefit&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(412&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(192&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_401_ecustom--IncomeTaxReconciliationChangeInDeferredTaxAssets_pn3n3_zGqdAG78N0u2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Change in deferred tax rates&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(93&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(71&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--IncomeTaxReconciliationNondeductibleExpense_pn3n3_z3Mg1GMQ2Eyi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Permanent items&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;62&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;126&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_404_ecustom--PppLoanForgiveness_pn3n3_zXrlm9ROXiz2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;PPP Loan forgiveness&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(1,130&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1849"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40F_ecustom--DebtForgivenessPFMPoland_pn3n3_zvMA3RFW1Qg5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Debt forgiveness (PFM Poland)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(518&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1852"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_409_eus-gaap--IncomeTaxReconciliationForeignIncomeTaxRateDifferential_pn3n3_zJpxelkBLd3f" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Difference in foreign rate&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(135&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(68&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_401_ecustom--TrueupOfDeferredTaxItems_pn3n3_zPvAQgWc1csj" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;True-up of deferred tax items&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,058&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(256&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_405_eus-gaap--IncomeTaxReconciliationOtherAdjustments_pn3n3_zvRUUeuMyuCi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(7&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;117&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40E_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_pn3n3_zXgfKO4hfFR4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Decrease in valuation
    allowance&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(2,127&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(467&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_409_eus-gaap--IncomeTaxExpenseBenefit_iT_pn3n3_zYQGGgtxOOgd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Income tax benefit&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(3,890&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(189&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8A3_z4Figi4eY7Jl" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;During
the fourth quarter of 2021, the Company sold PFM Poland resulting from its decision to cease all R&amp;amp;D activities under its Medical
Segment. Prior to the sale, the Company purchased Perma-Fix Medical LLC which was converted from PFMC, a wholly-owned subsidiary of PFM
Poland. Perma-Fix Medical LLC was treated as a disregarded entity for tax purposes, resulting in a realized tax loss of $&lt;span id="xdx_90F_eus-gaap--IncomeTaxExpenseBenefit_c20211001__20211231__us-gaap--TypeOfArrangementAxis__custom--PFMPolandMember_zDmcDAHuswK5" title="Income Tax Expense (Benefit)"&gt;2,466,000&lt;/span&gt; from
uncollected payables. As a condition of the sale of PFM Poland, the Company forgave its receivables from PFM Poland resulting in a $&lt;span id="xdx_908_eus-gaap--GainOrLossOnSaleOfStockInSubsidiary_c20210101__20211231__us-gaap--TypeOfArrangementAxis__custom--PFMPolandMember_zSZR5M6r0teh" title="Gain (loss) on sale of stock in subsidiary"&gt;3,089,000&lt;/span&gt;
capital loss on the sale of &lt;span id="xdx_90D_ecustom--SalesOfInterestPercentage_dp_c20211001__20211231__us-gaap--TypeOfArrangementAxis__custom--PFMPolandMember_zhmcyMT5Sem4" title="Sales Of Interest Percentage."&gt;100&lt;/span&gt;% interest of PFM Poland stock (see &#x201c;Note 14 &#x2013; PF Medical for a discussion on the sale of
PFM Poland).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company regularly assesses the likelihood that the deferred tax asset will be recovered from future taxable income. The Company considers
projected future taxable income and ongoing tax planning strategies, then records a valuation allowance to reduce the carrying value
of the net deferred income taxes to an amount that is more likely than not to be realized. For the year ended December 31, 2020, the
Company maintained a full valuation allowance against net deferred income tax assets because insufficient evidence existed to support
the realization of any future income tax benefits. Since the end of the second quarter of 2021, however, the Company entered into a number
of new contracts awarded to the Company&#x2019;s Services Segment (including a contract award with a value of approximately $&lt;span id="xdx_904_ecustom--DecommissioningValue_c20210101__20211231_zVlfzMmKaLc"&gt;40,000,000
&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;for the decommissioning of a navy ship). As a
result of these new contracts, the Company expected future profitability and improved overall prospects of future business.
As such, as of September 30, 2021, the Company determined that it was more likely than not that it would be able to realize
a portion of the deferred income tax assets. As a result, a deferred income tax benefit in the amount of approximately $&lt;span id="xdx_90A_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_c20210701__20210930_zrbLeHYCR9T"&gt;2,351,000
&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;attributable to the valuation allowance release
on beginning of year deferred tax assets primarily related to U.S. Federal income taxes was realized in the three months ended September
30, 2021. The Company continues to maintain a valuation allowance against certain state and foreign tax attributes that may not be realizable
along with the capital loss carryover generated during 2021 that it does not expect to realize.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
global intangible low-taxed income (&#x201c;GILTI&#x201d;) provisions under the Tax Cuts and Jobs Act of 2017 (the &#x201c;TCJA&#x201d;)
require the Company to include in its U.S. income tax return foreign subsidiary earnings in excess of an allowable return on the foreign
subsidiary&#x2019;s tangible assets. The Company has elected to account for GILTI tax in the period in which it is incurred, and therefore
has not provided any deferred tax impacts of GILTI in its consolidated financial statements for the years ended December 31, 2021 and
2020. As the Canada and United Kingdom foreign subsidiaries are in loss positions for 2021, no GILTI inclusion is expected for these
entities for the current year. In addition, the aforementioned sale of PFM Poland is not expected to result in any GILTI inclusion.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;On
March 27, 2020, the CARES Act was enacted and signed into law. The CARES Act included a number of income tax law changes, including modifications
to the interest limitation under Internal Revenue Code (&#x201c;IRC&#x201d;) &#xa7;163(j) and reinstatement of the ability to carry back
net operating losses. On July 1, 2021, the Company received forgiveness of its PPP Loan which is included in its Consolidated Statement
of Operations as &#x201c;Gain on extinguishment of debt&#x201d; but is exempt from income taxes.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_893_eus-gaap--ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_zER9EJTuuAEd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company had temporary differences and net operating loss carry forwards from both our continuing and discontinued operations, which gave
rise to deferred tax assets and liabilities at December 31, 2021 and 2020 as follows (in thousands):&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;&#160;&lt;span id="xdx_8BE_zEh05S3E8iW8" style="display: none"&gt;SCHEDULE
OF DEFERRED TAX ASSETS AND LIABILITIES&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"/&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_494_20211231_z0lqxuRPOPEg" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_49A_20201231_zIZjeckP5Haa" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;Deferred tax assets:&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_406_eus-gaap--DeferredTaxAssetsOperatingLossCarryforwards_iI_pn3n3_maDTAGzsp1_zH8W7avaAmp4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Net operating
    losses&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;10,057&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;8,662&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40F_eus-gaap--DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals_iI_pn3n3_maDTAGzsp1_zfBMa0baPK" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Environmental and closure
    reserves&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2,040&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,839&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_402_ecustom--DeferredTaxAssetsLeaseLiability_iI_pn3n3_maDTAGzsp1_zuOIdnuGG2Z" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Lease liability&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;575&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;642&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_405_ecustom--CapitalLossCarryforward_iI_pn3n3_maDTAGzsp1_zr2ynlsxcA46" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Capital loss carryforward&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;740&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1889"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_404_eus-gaap--DeferredTaxAssetsOther_iI_pn3n3_maDTAGzsp1_zwGtPLq6kdX" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,099&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,734&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Deferred tax liabilities:&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_404_eus-gaap--DeferredTaxLiabilitiesPropertyPlantAndEquipment_iNI_pn3n3_di_msDTAGzsp1_zlWtBMILDYpd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Depreciation and amortization&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(3,362&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(3,447&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40E_ecustom--IndefiniteLivedIntangibleAssets_iNI_pn3n3_di_msDTAGzsp1_zJMHbwndo9t5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Indefinite lived intangible
    assets&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(464&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(471&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_402_ecustom--DeferredTaxLiabilitiesRightofuseLeaseAsset_iNI_pn3n3_di_msDTAGzsp1_zdjnBYhAFo6b" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Right-of-use lease asset&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(583&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(627&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40C_ecustom--DeferredTaxLiabilitiesAdjustment_iNI_pn3n3_di_msDTAGzsp1_z5Tobe13uoXc" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;481(a) adjustment&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(104&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(209&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_402_eus-gaap--DeferredTaxLiabilitiesPrepaidExpenses_iNI_pn3n3_di_msDTAGzsp1_zlNlCADUmxx8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Prepaid
    expenses&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(24&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(22&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_400_eus-gaap--DeferredTaxAssetsGross_iTI_pn3n3_mtDTAGzsp1_zIjMNoJJgMK7" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Deferred
    tax assets, gross&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;9,974&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;8,101&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40E_eus-gaap--DeferredTaxAssetsValuationAllowance_iNI_pn3n3_di_zJV5mGwBVu46" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Valuation
    allowance&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(6,447&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(8,572&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_402_ecustom--DeferredTaxAssetsLiabilities_iTI_pn3n3_zDAYcpOf68h4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Net deferred income
    tax asset (liabilities)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,527&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(471&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8A7_zP0rb2PwHcsg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company has estimated net operating loss carryforwards (&#x201c;NOLs&#x201d;) for federal and state income tax purposes of approximately
$&lt;span id="xdx_907_eus-gaap--OperatingLossCarryforwards_iI_c20211231__us-gaap--IncomeTaxAuthorityAxis__us-gaap--DomesticCountryMember_zuEyyHJyLun3"&gt;19,920,000
&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;and $&lt;span id="xdx_905_eus-gaap--OperatingLossCarryforwards_iI_c20211231__us-gaap--IncomeTaxAuthorityAxis__us-gaap--StateAndLocalJurisdictionMember_zTICc6bwNlwl"&gt;72,767,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;,
respectively, as of December 31, 2021. These NOLs can be carried forward and applied against future taxable income, if any, and &lt;span id="xdx_90F_ecustom--IncomeTaxExpirationDescription_c20210101__20211231_zpeq1enFN6tb"&gt;expire
in various amounts starting in 2021&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;. Approximately
$&lt;span id="xdx_90F_eus-gaap--DeferredTaxAssetsOperatingLossCarryforwards_iI_c20211231__us-gaap--IncomeTaxAuthorityAxis__us-gaap--DomesticCountryMember_zlq62vpX1sqe"&gt;19,725,000
&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;of our federal NOLs were generated after
December 31, 2017 and thus do not expire.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
tax years 2018 through 2020 remain open to examination by taxing authorities in the jurisdictions in which the Company operates.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span id="xdx_90A_eus-gaap--UnrecognizedTaxBenefits_iI_do_c20211231_zadA3TAXVKmj" title="Uncertain tax positions"&gt;No&lt;/span&gt;
uncertain tax positions were identified by the Company for the years currently open under statute of limitations.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company had &lt;span id="xdx_906_eus-gaap--FederalIncomeTaxExpenseBenefitContinuingOperations_do_c20210101__20211231_zCnljGmhBmo9" title="Federal income tax payable"&gt;&lt;span id="xdx_90E_eus-gaap--FederalIncomeTaxExpenseBenefitContinuingOperations_do_c20200101__20201231_zd1oW21ieGEe" title="Federal income tax payable"&gt;no&lt;/span&gt;&lt;/span&gt; federal income tax payable for the years ended December 31, 2021 and 2020.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

</us-gaap:IncomeTaxDisclosureTextBlock>
    <us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_898_eus-gaap--ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_zvsjIlEBQbbf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
components of (loss) income before income tax benefits by jurisdiction for continuing operations for the years ended December 31, consisted
of the following (in thousands):&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;&#160;&lt;span id="xdx_8B1_z8QCcgCCTk2g" style="display: none"&gt;SCHEDULE
OF INCOME (LOSS) BEFORE INCOME TAX (BENEFIT) EXPENSE&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 80%; margin-right: auto"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;United States&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__srt--StatementGeographicalAxis__country--US_zGFg6g5xDy0g" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Income before tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(1,733&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__srt--StatementGeographicalAxis__country--US_z8kUTdXTHDi9" style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right" title="Income before tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;4,778&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Canada&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__srt--StatementGeographicalAxis__country--CA_znqFkBs5JwUh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(1,880&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__srt--StatementGeographicalAxis__country--CA_zBFRLNqXU3Wb" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(1,391&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;United Kingdom&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__srt--StatementGeographicalAxis__country--GB_zV4nGC5behm4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(246&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__srt--StatementGeographicalAxis__country--GB_zgPqCru2Oj0d" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(121&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Poland&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__srt--StatementGeographicalAxis__country--PL_zeC45FbHzto6" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,061&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__srt--StatementGeographicalAxis__country--PL_z5CLUQovfaHg" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(306&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total
    (loss) income before tax benefit&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231_zM8d9HGkK8Rb" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(2,798&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231_zBIsK134kNJh" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Income before tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2,960&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="From2021-01-012021-12-31_country_US"
      decimals="-3"
      unitRef="USD">-1733000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="From2020-01-012020-12-31_country_US"
      decimals="-3"
      unitRef="USD">4778000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="From2021-01-012021-12-31_country_CA"
      decimals="-3"
      unitRef="USD">-1880000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="From2020-01-012020-12-31_country_CA"
      decimals="-3"
      unitRef="USD">-1391000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="From2021-01-012021-12-31_country_GB"
      decimals="-3"
      unitRef="USD">-246000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="From2020-01-012020-12-31_country_GB"
      decimals="-3"
      unitRef="USD">-121000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="From2021-01-012021-12-31_country_PL"
      decimals="-3"
      unitRef="USD">1061000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="From2020-01-012020-12-31_country_PL"
      decimals="-3"
      unitRef="USD">-306000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">-2798000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">2960000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_899_eus-gaap--ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_zjgrXWTTAPT5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
components of current and deferred federal and state income tax (benefits) expense for continuing operations for the years ended December
31, consisted of the following (in thousands):&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;&#160;&lt;span id="xdx_8BB_zL1pIL7VOJJ1" style="display: none"&gt;SCHEDULE
OF COMPONENTS OF INCOME TAX (BENEFIT) EXPENSE&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 80%; margin-right: auto"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_499_20210101__20211231_z5QIJ2i5PFO4" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_491_20200101__20201231_zlbUVkbWcMW9" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40A_eus-gaap--DeferredFederalIncomeTaxExpenseBenefit_pn3n3_zsrgaHC9qaV2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Federal income tax (benefit) expense
    - deferred&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(3,503&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;4&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40E_eus-gaap--CurrentStateAndLocalTaxExpenseBenefit_pn3n3_zdZ0Y7298T8h" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;State income tax benefit - current&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(56&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(70&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40C_eus-gaap--ForeignIncomeTaxExpenseBenefitContinuingOperations_pn3n3_zIntjL4Bda7f" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Foreign income tax expense - current&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;26&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1826"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_403_eus-gaap--DeferredStateAndLocalIncomeTaxExpenseBenefit_pn3n3_zB9t1H7tTJQf" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;State income tax benefit
    - deferred&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(357&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(123&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40E_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_zzX5Lim6l7zi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total
    income tax benefit&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(3,890&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(189&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock>
    <us-gaap:DeferredFederalIncomeTaxExpenseBenefit
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">-3503000</us-gaap:DeferredFederalIncomeTaxExpenseBenefit>
    <us-gaap:DeferredFederalIncomeTaxExpenseBenefit
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">4000</us-gaap:DeferredFederalIncomeTaxExpenseBenefit>
    <us-gaap:CurrentStateAndLocalTaxExpenseBenefit
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">-56000</us-gaap:CurrentStateAndLocalTaxExpenseBenefit>
    <us-gaap:CurrentStateAndLocalTaxExpenseBenefit
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">-70000</us-gaap:CurrentStateAndLocalTaxExpenseBenefit>
    <us-gaap:ForeignIncomeTaxExpenseBenefitContinuingOperations
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">26000</us-gaap:ForeignIncomeTaxExpenseBenefitContinuingOperations>
    <us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">-357000</us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit>
    <us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">-123000</us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">-3890000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">-189000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_89B_eus-gaap--ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_zCb7zltXSXNe" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;An
overall reconciliation between the expected tax benefit using the federal statutory rate of 21% for each of the years ended 2021 and
2020 and the benefit for income taxes from continuing operations as reported in the accompanying Consolidated Statement of Operations
is provided below (in thousands).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;&#160;&lt;span id="xdx_8B1_z4chcFeUeSO7" style="display: none"&gt;SCHEDULE
OF EFFECTIVE INCOME TAX RATE RECONCILIATION&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 90%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_490_20210101__20211231_zBDETspWTGzg" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_49C_20200101__20201231_zWuGxaVJicEk" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40B_eus-gaap--IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_pn3n3_zSPU08tKvhZd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Federal tax (benefit) expense at
    statutory rate&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(588&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;622&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40C_eus-gaap--IncomeTaxReconciliationStateAndLocalIncomeTaxes_pn3n3_z13WyOPJ84X6" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;State tax benefit, net of federal benefit&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(412&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(192&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_401_ecustom--IncomeTaxReconciliationChangeInDeferredTaxAssets_pn3n3_zGqdAG78N0u2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Change in deferred tax rates&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(93&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(71&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--IncomeTaxReconciliationNondeductibleExpense_pn3n3_z3Mg1GMQ2Eyi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Permanent items&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;62&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;126&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_404_ecustom--PppLoanForgiveness_pn3n3_zXrlm9ROXiz2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;PPP Loan forgiveness&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(1,130&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1849"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40F_ecustom--DebtForgivenessPFMPoland_pn3n3_zvMA3RFW1Qg5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Debt forgiveness (PFM Poland)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(518&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1852"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_409_eus-gaap--IncomeTaxReconciliationForeignIncomeTaxRateDifferential_pn3n3_zJpxelkBLd3f" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Difference in foreign rate&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(135&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(68&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_401_ecustom--TrueupOfDeferredTaxItems_pn3n3_zPvAQgWc1csj" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;True-up of deferred tax items&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,058&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(256&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_405_eus-gaap--IncomeTaxReconciliationOtherAdjustments_pn3n3_zvRUUeuMyuCi" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(7&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;117&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40E_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_pn3n3_zXgfKO4hfFR4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Decrease in valuation
    allowance&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(2,127&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(467&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_409_eus-gaap--IncomeTaxExpenseBenefit_iT_pn3n3_zYQGGgtxOOgd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Income tax benefit&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(3,890&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(189&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock>
    <us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">-588000</us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate>
    <us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">622000</us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate>
    <us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">-412000</us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes>
    <us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">-192000</us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes>
    <PESI:IncomeTaxReconciliationChangeInDeferredTaxAssets
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">-93000</PESI:IncomeTaxReconciliationChangeInDeferredTaxAssets>
    <PESI:IncomeTaxReconciliationChangeInDeferredTaxAssets
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">-71000</PESI:IncomeTaxReconciliationChangeInDeferredTaxAssets>
    <us-gaap:IncomeTaxReconciliationNondeductibleExpense
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">62000</us-gaap:IncomeTaxReconciliationNondeductibleExpense>
    <us-gaap:IncomeTaxReconciliationNondeductibleExpense
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">126000</us-gaap:IncomeTaxReconciliationNondeductibleExpense>
    <PESI:PppLoanForgiveness
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">-1130000</PESI:PppLoanForgiveness>
    <PESI:DebtForgivenessPFMPoland
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">-518000</PESI:DebtForgivenessPFMPoland>
    <us-gaap:IncomeTaxReconciliationForeignIncomeTaxRateDifferential
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">-135000</us-gaap:IncomeTaxReconciliationForeignIncomeTaxRateDifferential>
    <us-gaap:IncomeTaxReconciliationForeignIncomeTaxRateDifferential
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">-68000</us-gaap:IncomeTaxReconciliationForeignIncomeTaxRateDifferential>
    <PESI:TrueupOfDeferredTaxItems
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">1058000</PESI:TrueupOfDeferredTaxItems>
    <PESI:TrueupOfDeferredTaxItems
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">-256000</PESI:TrueupOfDeferredTaxItems>
    <us-gaap:IncomeTaxReconciliationOtherAdjustments
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">-7000</us-gaap:IncomeTaxReconciliationOtherAdjustments>
    <us-gaap:IncomeTaxReconciliationOtherAdjustments
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">117000</us-gaap:IncomeTaxReconciliationOtherAdjustments>
    <us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">-2127000</us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance>
    <us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">-467000</us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">-3890000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">-189000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="From2021-10-012021-12-31_custom_PFMPolandMember"
      decimals="0"
      unitRef="USD">2466000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:GainOrLossOnSaleOfStockInSubsidiary
      contextRef="From2021-01-012021-12-31_custom_PFMPolandMember182929656"
      decimals="0"
      unitRef="USD">3089000</us-gaap:GainOrLossOnSaleOfStockInSubsidiary>
    <PESI:SalesOfInterestPercentage
      contextRef="From2021-10-012021-12-31_custom_PFMPolandMember"
      decimals="INF"
      unitRef="Pure">1</PESI:SalesOfInterestPercentage>
    <PESI:DecommissioningValue
      contextRef="From2021-01-01to2021-12-31"
      decimals="0"
      unitRef="USD">40000000</PESI:DecommissioningValue>
    <us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
      contextRef="From2021-07-012021-09-30"
      decimals="0"
      unitRef="USD">2351000</us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance>
    <us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_893_eus-gaap--ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_zER9EJTuuAEd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company had temporary differences and net operating loss carry forwards from both our continuing and discontinued operations, which gave
rise to deferred tax assets and liabilities at December 31, 2021 and 2020 as follows (in thousands):&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;&#160;&lt;span id="xdx_8BE_zEh05S3E8iW8" style="display: none"&gt;SCHEDULE
OF DEFERRED TAX ASSETS AND LIABILITIES&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"/&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_494_20211231_z0lqxuRPOPEg" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_49A_20201231_zIZjeckP5Haa" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;Deferred tax assets:&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font-family: Times New Roman, Times, Serif; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_406_eus-gaap--DeferredTaxAssetsOperatingLossCarryforwards_iI_pn3n3_maDTAGzsp1_zH8W7avaAmp4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Net operating
    losses&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;10,057&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;8,662&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40F_eus-gaap--DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals_iI_pn3n3_maDTAGzsp1_zfBMa0baPK" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Environmental and closure
    reserves&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2,040&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,839&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_402_ecustom--DeferredTaxAssetsLeaseLiability_iI_pn3n3_maDTAGzsp1_zuOIdnuGG2Z" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Lease liability&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;575&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;642&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_405_ecustom--CapitalLossCarryforward_iI_pn3n3_maDTAGzsp1_zr2ynlsxcA46" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Capital loss carryforward&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;740&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl1889"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_404_eus-gaap--DeferredTaxAssetsOther_iI_pn3n3_maDTAGzsp1_zwGtPLq6kdX" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,099&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;1,734&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Deferred tax liabilities:&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_404_eus-gaap--DeferredTaxLiabilitiesPropertyPlantAndEquipment_iNI_pn3n3_di_msDTAGzsp1_zlWtBMILDYpd" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Depreciation and amortization&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(3,362&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(3,447&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40E_ecustom--IndefiniteLivedIntangibleAssets_iNI_pn3n3_di_msDTAGzsp1_zJMHbwndo9t5" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Indefinite lived intangible
    assets&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(464&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(471&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_402_ecustom--DeferredTaxLiabilitiesRightofuseLeaseAsset_iNI_pn3n3_di_msDTAGzsp1_zdjnBYhAFo6b" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Right-of-use lease asset&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(583&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(627&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40C_ecustom--DeferredTaxLiabilitiesAdjustment_iNI_pn3n3_di_msDTAGzsp1_z5Tobe13uoXc" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;481(a) adjustment&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(104&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(209&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_402_eus-gaap--DeferredTaxLiabilitiesPrepaidExpenses_iNI_pn3n3_di_msDTAGzsp1_zlNlCADUmxx8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Prepaid
    expenses&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(24&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(22&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_400_eus-gaap--DeferredTaxAssetsGross_iTI_pn3n3_mtDTAGzsp1_zIjMNoJJgMK7" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Deferred
    tax assets, gross&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;9,974&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;8,101&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40E_eus-gaap--DeferredTaxAssetsValuationAllowance_iNI_pn3n3_di_zJV5mGwBVu46" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-left: 10pt; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Valuation
    allowance&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(6,447&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(8,572&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_402_ecustom--DeferredTaxAssetsLiabilities_iTI_pn3n3_zDAYcpOf68h4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Net deferred income
    tax asset (liabilities)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;3,527&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(471&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock>
    <us-gaap:DeferredTaxAssetsOperatingLossCarryforwards contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">10057000</us-gaap:DeferredTaxAssetsOperatingLossCarryforwards>
    <us-gaap:DeferredTaxAssetsOperatingLossCarryforwards contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">8662000</us-gaap:DeferredTaxAssetsOperatingLossCarryforwards>
    <us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">2040000</us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals>
    <us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">1839000</us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals>
    <PESI:DeferredTaxAssetsLeaseLiability contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">575000</PESI:DeferredTaxAssetsLeaseLiability>
    <PESI:DeferredTaxAssetsLeaseLiability contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">642000</PESI:DeferredTaxAssetsLeaseLiability>
    <PESI:CapitalLossCarryforward contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">740000</PESI:CapitalLossCarryforward>
    <us-gaap:DeferredTaxAssetsOther contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">1099000</us-gaap:DeferredTaxAssetsOther>
    <us-gaap:DeferredTaxAssetsOther contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">1734000</us-gaap:DeferredTaxAssetsOther>
    <us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">3362000</us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment>
    <us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">3447000</us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment>
    <PESI:IndefiniteLivedIntangibleAssets contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">464000</PESI:IndefiniteLivedIntangibleAssets>
    <PESI:IndefiniteLivedIntangibleAssets contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">471000</PESI:IndefiniteLivedIntangibleAssets>
    <PESI:DeferredTaxLiabilitiesRightofuseLeaseAsset contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">583000</PESI:DeferredTaxLiabilitiesRightofuseLeaseAsset>
    <PESI:DeferredTaxLiabilitiesRightofuseLeaseAsset contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">627000</PESI:DeferredTaxLiabilitiesRightofuseLeaseAsset>
    <PESI:DeferredTaxLiabilitiesAdjustment contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">104000</PESI:DeferredTaxLiabilitiesAdjustment>
    <PESI:DeferredTaxLiabilitiesAdjustment contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">209000</PESI:DeferredTaxLiabilitiesAdjustment>
    <us-gaap:DeferredTaxLiabilitiesPrepaidExpenses contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">24000</us-gaap:DeferredTaxLiabilitiesPrepaidExpenses>
    <us-gaap:DeferredTaxLiabilitiesPrepaidExpenses contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">22000</us-gaap:DeferredTaxLiabilitiesPrepaidExpenses>
    <us-gaap:DeferredTaxAssetsGross contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">9974000</us-gaap:DeferredTaxAssetsGross>
    <us-gaap:DeferredTaxAssetsGross contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">8101000</us-gaap:DeferredTaxAssetsGross>
    <us-gaap:DeferredTaxAssetsValuationAllowance contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">6447000</us-gaap:DeferredTaxAssetsValuationAllowance>
    <us-gaap:DeferredTaxAssetsValuationAllowance contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">8572000</us-gaap:DeferredTaxAssetsValuationAllowance>
    <PESI:DeferredTaxAssetsLiabilities contextRef="AsOf2021-12-31" decimals="-3" unitRef="USD">3527000</PESI:DeferredTaxAssetsLiabilities>
    <PESI:DeferredTaxAssetsLiabilities contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">-471000</PESI:DeferredTaxAssetsLiabilities>
    <us-gaap:OperatingLossCarryforwards
      contextRef="AsOf2021-12-31_us-gaap_DomesticCountryMember"
      decimals="0"
      unitRef="USD">19920000</us-gaap:OperatingLossCarryforwards>
    <us-gaap:OperatingLossCarryforwards
      contextRef="AsOf2021-12-31_us-gaap_StateAndLocalJurisdictionMember"
      decimals="0"
      unitRef="USD">72767000</us-gaap:OperatingLossCarryforwards>
    <PESI:IncomeTaxExpirationDescription contextRef="From2021-01-01to2021-12-31">expire
in various amounts starting in 2021</PESI:IncomeTaxExpirationDescription>
    <us-gaap:DeferredTaxAssetsOperatingLossCarryforwards
      contextRef="AsOf2021-12-31_us-gaap_DomesticCountryMember"
      decimals="0"
      unitRef="USD">19725000</us-gaap:DeferredTaxAssetsOperatingLossCarryforwards>
    <us-gaap:UnrecognizedTaxBenefits contextRef="AsOf2021-12-31" decimals="0" unitRef="USD">0</us-gaap:UnrecognizedTaxBenefits>
    <us-gaap:FederalIncomeTaxExpenseBenefitContinuingOperations
      contextRef="From2021-01-01to2021-12-31"
      decimals="0"
      unitRef="USD">0</us-gaap:FederalIncomeTaxExpenseBenefitContinuingOperations>
    <us-gaap:FederalIncomeTaxExpenseBenefitContinuingOperations
      contextRef="From2020-01-012020-12-31"
      decimals="0"
      unitRef="USD">0</us-gaap:FederalIncomeTaxExpenseBenefitContinuingOperations>
    <PESI:PFMedicalTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_80D_ecustom--PFMedicalTextBlock_zMTF0DCNVESd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;NOTE
14&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_82F_zVG07sdF17Sb"&gt;PF
MEDICAL&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"/&gt;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;As
                                            previously disclosed, the Company made the strategic decision during the fourth quarter to
                                            cease all R&amp;amp;D activities under its Medical Segment. The Medical Segment conducted its
                                            activities through the Company&#x2019;s majority-owned Polish subsidiary, PFM Poland and PFM
                                            Poland&#x2019;s wholly-owned subsidiary PFMC, a Delaware corporation. On December 30, 2021,
                                            the Company entered into a Sales of Shares Agreement (the &#x201c;sales agreement&#x201d;)
                                            for its entire stock ownership (&lt;span id="xdx_901_eus-gaap--EquityMethodInvestmentOwnershipPercentage_iI_dp_c20211230__us-gaap--TypeOfArrangementAxis__custom--SalesAgreementMember_ziJGTeb3TUE6"&gt;60.54%&lt;/span&gt;) of PFM Poland for notes receivable of approximately
                                            $&lt;span id="xdx_90E_eus-gaap--NotesReceivableNet_iI_c20211230__us-gaap--TypeOfArrangementAxis__custom--SalesAgreementMember_z6IeUSUHUch6" title="Notes receivable, amount"&gt;47,000&lt;/span&gt; (USD). The notes receivable will be paid to the Company by the buyer on the earlier
                                            of either twelve months from the closing date or within three days of a resale of the shares
                                            by the buyer. As condition precedent to the sales agreement, the Company released PFM Poland
                                            from unsatisfied trade payables owed by PFM Poland to the Company totaling approximately
                                            $&lt;span id="xdx_903_eus-gaap--AccountsPayableTradeCurrent_iI_c20211230__us-gaap--TypeOfArrangementAxis__custom--SalesAgreementMember_z8eLShdRHTVb" title="Trade payables"&gt;2,537,000&lt;/span&gt; (USD). The Company will have no continuing involvement with PFM Poland other than
                                            administrative requirements, as applicable, through the completion of PFM Poland&#x2019;s
                                            2021 Polish year-end financial audit, which is expected to be completed in late May 2022.&lt;/span&gt;&lt;/p&gt;



&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;Immediately before the sales agreement was executed,
the Company converted PFMC from a S Corporation to a limited liability company (Perm-Fix Medical LLC or &#x201c;PFM LLC&#x201d;) and acquired
the entire ownership from the majority-owned Polish subsidiary for $&lt;span id="xdx_900_ecustom--AcquiredPrice_iI_pid_c20211231__us-gaap--TypeOfArrangementAxis__custom--SalesAgreementMember_zc9NcJBPbIuc" title="Acquired price"&gt;10&lt;/span&gt;. The transaction was deemed to be a common control transaction
and all assets and liabilities were transferred using the historical carrying values in accordance with guidance in ASC 805-50-25, &#x201c;Business
Combinations, Related Issues, Recognition.&#x201d; The carrying amount of the non-controlling interest was adjusted to reflect the change
in the ownership of the subsidiary. As a result, approximately $&lt;span id="xdx_90C_eus-gaap--MinorityInterest_iI_pid_c20211231__us-gaap--TypeOfArrangementAxis__custom--SalesAgreementMember_zttibWkr6d0f" title="non-controlling interest"&gt;1,004,000&lt;/span&gt; of the non-controlling interest related to the cumulative loss
of PFM LLC was recognized as additional paid-in capital on the Company&#x2019;s Consolidated Statements of Stockholders&#x2019; Equity and
approximately $&lt;span id="xdx_90E_eus-gaap--DeconsolidationGainOrLossAmount_iN_di_c20210101__20211231__us-gaap--TypeOfArrangementAxis__custom--SalesAgreementMember_zMJ8nyQ4vxr6" title="Loss on deconsolidation of subsidiary (Note 14)"&gt;902,000&lt;/span&gt; was recognized as a component within &#x201c;Loss on deconsolidation of subsidiary&#x201d; recorded on the Company&#x2019;s
Consolidated Statement of Operations.&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;As a result, effective December 30, 2021, PFM Poland
was no longer a subsidiary of the Company and the Company deconsolidated the entity from its consolidated financial statements in accordance
with guidance in ASC 810-10-40, &#x201c;Consolidation, Overall, Derecognition.&lt;i&gt;&#x201d; &lt;/i&gt;Accordingly, the Company&#x2019;s Consolidated
Balance Sheet at December 31, 2020, as reported, includes the consolidated assets and liabilities after intercompany eliminations for
PFM Poland. However, the December 31, 2021 Consolidated Balance Sheet does not in include balances due to the sale and deconsolidation
of PFM Poland. In addition, the Company&#x2019;s Consolidated Statements of Operations include results of its majority-owned Polish subsidiary
for the period through December 30, 2021.&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;The Company recognized a non-cash &#x201c;Loss on deconsolidation
of subsidiary&#x201d; of approximately $&lt;span id="xdx_908_eus-gaap--DeconsolidationGainOrLossAmount_iN_di_c20210101__20211231_zqDILKLIUAG9" title="Loss on deconsolidation of subsidiary (Note 14)"&gt;1,062,000&lt;/span&gt; on its Consolidated Statements of Operation from the above transaction. The loss included
approximately $&lt;span id="xdx_90F_ecustom--TransactionCosts_c20210101__20211231_zGJ2XtbwYxod" title="Legal and accounting costs"&gt;94,000&lt;/span&gt; in legal and accounting costs incurred for the transaction.&lt;/p&gt;
&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/&gt;&lt;/p&gt;

&lt;p id="xdx_892_ecustom--ScheduleOfLossOnDeconsolidationTableTextBlock_zDwWYHUMlQA8" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8B9_zt7fXTiWDGUi" style="display: none"&gt;SCHEDULE
OF LOSS ON DECONSOLIDATION&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 70%; margin-right: auto"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_498_20210101__20211231_z1glkPOa4I7f" style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_400_ecustom--NoteReceivableConsiderationReceived_pn3n3_zB5FOiYdf7Ec" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 78%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Note receivable consideration received&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 18%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;47&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Less:&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_401_ecustom--CarryingAmountOfNoncontrollingInterest_pn3n3_z3cVEj7zvZE4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Carrying amount of non-controlling interest&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;902&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_ecustom--CarryingAmountOfAccumulatedOtherComprehensiveLoss_pn3n3_zQhGiMTUqJG8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Carrying amount of accumulated other comprehensive
    loss&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;148&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_409_ecustom--NetLiabilities_pn3n3_z1oRLAhEkJr1" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Net liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(35&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_406_ecustom--TransactionCosts_pn3n3_zrIiGtkztEBa" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Transaction costs&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;94&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_405_eus-gaap--DeconsolidationGainOrLossAmount_pn3n3_z8gq24KRfIbf" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Loss on deconsolidation
    of subsidiary&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(1,062&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 58.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</PESI:PFMedicalTextBlock>
    <us-gaap:EquityMethodInvestmentOwnershipPercentage
      contextRef="AsOf2021-12-30_custom_SalesAgreementMember"
      decimals="INF"
      unitRef="Pure">0.6054</us-gaap:EquityMethodInvestmentOwnershipPercentage>
    <us-gaap:NotesReceivableNet
      contextRef="AsOf2021-12-30_custom_SalesAgreementMember"
      decimals="0"
      unitRef="USD">47000</us-gaap:NotesReceivableNet>
    <us-gaap:AccountsPayableTradeCurrent
      contextRef="AsOf2021-12-30_custom_SalesAgreementMember"
      decimals="0"
      unitRef="USD">2537000</us-gaap:AccountsPayableTradeCurrent>
    <PESI:AcquiredPrice
      contextRef="AsOf2021-12-31_custom_SalesAgreementMember"
      decimals="0"
      unitRef="USD">10</PESI:AcquiredPrice>
    <us-gaap:MinorityInterest
      contextRef="AsOf2021-12-31_custom_SalesAgreementMember"
      decimals="0"
      unitRef="USD">1004000</us-gaap:MinorityInterest>
    <us-gaap:DeconsolidationGainOrLossAmount
      contextRef="From2021-01-012021-12-31_custom_SalesAgreementMember"
      decimals="0"
      unitRef="USD">-902000</us-gaap:DeconsolidationGainOrLossAmount>
    <us-gaap:DeconsolidationGainOrLossAmount
      contextRef="From2021-01-01to2021-12-31"
      decimals="0"
      unitRef="USD">-1062000</us-gaap:DeconsolidationGainOrLossAmount>
    <PESI:TransactionCosts
      contextRef="From2021-01-01to2021-12-31"
      decimals="0"
      unitRef="USD">94000</PESI:TransactionCosts>
    <PESI:ScheduleOfLossOnDeconsolidationTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_892_ecustom--ScheduleOfLossOnDeconsolidationTableTextBlock_zDwWYHUMlQA8" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;span id="xdx_8B9_zt7fXTiWDGUi" style="display: none"&gt;SCHEDULE
OF LOSS ON DECONSOLIDATION&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 70%; margin-right: auto"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_498_20210101__20211231_z1glkPOa4I7f" style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_400_ecustom--NoteReceivableConsiderationReceived_pn3n3_zB5FOiYdf7Ec" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 78%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Note receivable consideration received&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 18%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;47&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Less:&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_401_ecustom--CarryingAmountOfNoncontrollingInterest_pn3n3_z3cVEj7zvZE4" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Carrying amount of non-controlling interest&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;902&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_ecustom--CarryingAmountOfAccumulatedOtherComprehensiveLoss_pn3n3_zQhGiMTUqJG8" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Carrying amount of accumulated other comprehensive
    loss&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;148&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_409_ecustom--NetLiabilities_pn3n3_z1oRLAhEkJr1" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Net liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(35&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_406_ecustom--TransactionCosts_pn3n3_zrIiGtkztEBa" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Transaction costs&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;94&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_405_eus-gaap--DeconsolidationGainOrLossAmount_pn3n3_z8gq24KRfIbf" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Loss on deconsolidation
    of subsidiary&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;(1,062&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 58.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</PESI:ScheduleOfLossOnDeconsolidationTableTextBlock>
    <PESI:NoteReceivableConsiderationReceived
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">47000</PESI:NoteReceivableConsiderationReceived>
    <PESI:CarryingAmountOfNoncontrollingInterest
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">902000</PESI:CarryingAmountOfNoncontrollingInterest>
    <PESI:CarryingAmountOfAccumulatedOtherComprehensiveLoss
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">148000</PESI:CarryingAmountOfAccumulatedOtherComprehensiveLoss>
    <PESI:NetLiabilities
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">-35000</PESI:NetLiabilities>
    <PESI:TransactionCosts
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">94000</PESI:TransactionCosts>
    <us-gaap:DeconsolidationGainOrLossAmount
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">-1062000</us-gaap:DeconsolidationGainOrLossAmount>
    <us-gaap:CommitmentsAndContingenciesDisclosureTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_802_eus-gaap--CommitmentsAndContingenciesDisclosureTextBlock_zA2XW9sgKNwj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;NOTE
15&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_82C_z0iE3z1dpZA8"&gt;COMMITMENTS
AND CONTINGENCIES&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Hazardous
Waste&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;In
connection with our waste management services, the Company processes both hazardous and non-hazardous waste, which we transport to our
own, or other, facilities for destruction or disposal. As a result of disposing of hazardous substances, in the event any cleanup is
required at the disposal site, the Company could be a potentially responsible party for the costs of the cleanup notwithstanding any
absence of fault on our part.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Legal
Matters&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;In
the normal course of conducting our business, we are involved in various litigation. We are not a party to any litigation or governmental
proceeding which our management believes could result in any judgments or fines against us that could would have a material adverse effect
on our financial position, liquidity or results of future operations.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;Tetra
Tech EC, Inc. (&#x201c;Tetra Tech&#x201d;)&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;During
July 2020, Tetra Tech EC, Inc. (&#x201c;Tetra Tech&#x201d;) filed a complaint in the United States District Court for the Northern District
of California (the &#x201c;Court&#x201d;) against CH2M Hill, Inc. (&#x201c;CH2M&#x201d;) and four subcontractors of CH2M, including the Company
(&#x201c;Defendants&#x201d;). The complaint alleges various claims, including a claim for negligence, negligent misrepresentation, equitable
indemnification and related business claims against all defendants related to alleged damages suffered by Tetra Tech in respect of certain
draft reports prepared by defendants at the request of the U.S. Navy as part of an investigation and review of certain whistleblower
complaints about Tetra Tech&#x2019;s environmental restoration at the Hunter&#x2019;s Point Naval Shipyard in San Francisco.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;CH2M
was hired by the Navy in 2016 to review Tetra Tech&#x2019;s work. CH2M subcontracted with environmental consulting and cleanup firms Battelle
Memorial Institute, Cabrera Services, Inc., SC&amp;amp;A, Inc. and the Company to assist with the review, according to the complaint.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Our
insurance carrier is providing a defense on our behalf in connection with this lawsuit, subject to a $&lt;span id="xdx_908_ecustom--SelfinsuredRetention_c20210101__20211231_zcLMRIWOgLY5" title="Self-insured retention"&gt;100,000&lt;/span&gt; self-insured retention
and the terms and limitations contained in the insurance policy.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;On
January 7, 2021, Defendants&#x2019; motion to dismiss the complaint in its entirety was granted without prejudice, with leave to amend.
Tetra Tech subsequently filed a First Amended Complaint (&#x201c;FAC&#x201d;) and Defendants filed a motion to dismiss Tetra Tech&#x2019;s
FAC. Tetra Tech filed an opposition to Defendant&#x2019;s motion to dismiss Tetra Tech&#x2019;s FAC. Defendants, subsequently filed a joint
reply to Tetra Tech&#x2019;s motion in opposition. On January 27, 2022 a decision and Order on Defendants&#x2019; motion to dismiss was
issued by the Court, which dismissed some claims, allowed for the potential amendment of other claims and declined to dismiss other claims
at this time. The Company continues to believe it does not have any liability to Tetra Tech.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;PF
Canada&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;During
the fourth quarter of 2021, PF Canada received a Notice of Termination (&#x201c;NOT&#x201d;) from Canadian Nuclear Laboratories, LTD. (&#x201c;CNL&#x201d;)
on a Task Order Agreement (&#x201c;TOA&#x201d;) that PF Canada entered into with CNL in May 2019 for remediation work within Ontario, Canada
(&#x201c;Agreement&#x201d;). The NOT was received after work under the TOA was substantially completed. CNL may terminate the TOA at any
time for convenience. As of December 31, 2021, PF Canada has approximately $&lt;span id="xdx_90D_ecustom--UnpaidReceivablesAndUnbilledCosts_c20210101__20211231__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--CanadianNuclearLaboratoriesLTDMember_zu0kI2PrQ2yi"&gt;2,640,000
&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;in unpaid receivables and unbilled costs
due from CNL as a result of work performed under the TOA. Additionally, CNL has approximately $&lt;span id="xdx_905_eus-gaap--AccountsReceivableNetCurrent_iI_c20211231__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--CanadianNuclearLaboratoriesLTDMember_zAuCwvghHwyb"&gt;871,000
&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;in contractual holdback under the TOA that is
payable to PF Canada. CNL also established a bond securing approximately $&lt;span id="xdx_909_ecustom--BondSecuringAmount_uCAD_c20210101__20211231__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--CanadianNuclearLaboratoriesLTDMember_zTySEJPemNag"&gt;1,900,000
&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(CAD) to cover certain issue raised in connection
with the TOA. Under the TOA, CNL may be entitled to set off certain costs and expenses incurred by CNL in connection with the termination
of the TOA, including the bond as discussed above, against amounts owed to PF Canada for work performed by PF Canada or its
subcontractors. PF Canada continues to be in discussions with CNL to finalize the amounts due to PF Canada under the TOA and continues
to believes these amounts are due and payable.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Insurance&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company has a &lt;span id="xdx_90C_ecustom--PeriodOfFiniteRiskInsurancePolicy_dtY_c20030601__20030630__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember_zkElzPqhCd3f" title="Period of finite risk insurance policy"&gt;25&lt;/span&gt;-year finite risk insurance policy entered into in June 2003 (&#x201c;2003 Closure Policy&#x201d;) with AIG which provides
financial assurance to the applicable states for our permitted facilities in the event of unforeseen closure. The 2003 Closure Policy,
as amended, provides for a maximum allowable coverage of $&lt;span id="xdx_904_ecustom--MaximumAllowableCoverageOfInsurancePolicy_iI_pp0p0_c20211231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember_zryOQhqPM852" title="Maximum allowable coverage of insurance policy"&gt;28,177,000&lt;/span&gt; which includes available capacity to allow for annual inflation
and other performance and surety bond requirements. Total coverage under the 2003 Closure Policy, as amended, was $&lt;span id="xdx_90E_ecustom--CoverageAmountUnderPolicy_iI_pp0p0_c20211231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember_z3WAU0UQFDZ4" title="Coverage amount under the policy"&gt;20,403,000&lt;/span&gt; at December
31, 2021. At December 31, 2021 and December 31, 2020, finite risk sinking funds contributed by the Company related to the 2003 Closure
Policy which is included in other long term assets on the accompanying Consolidated Balance Sheets totaled $&lt;span id="xdx_906_eus-gaap--RestrictedCashNoncurrent_iI_pid_c20211231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember__us-gaap--TypeOfArrangementAxis__custom--ThousandandThreeClosurePolicyMember_zO2uZ12hSLk" title="Finite risk sinking fund (restricted cash)"&gt;11,471,000&lt;/span&gt; and $&lt;span id="xdx_905_eus-gaap--RestrictedCashNoncurrent_iI_c20201231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember__us-gaap--TypeOfArrangementAxis__custom--ThousandandThreeClosurePolicyMember_zwwOOH3pCXTk" title="Finite risk sinking fund (restricted cash)"&gt;11,446,000&lt;/span&gt;,
respectively, which included interest earned of $&lt;span id="xdx_90A_eus-gaap--InterestIncomeOther_pp0p0_c20210101__20211231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember__us-gaap--TypeOfArrangementAxis__custom--ThousandandThreeClosurePolicyMember_zF5TiJ34hD5l" title="Interest income"&gt;2,000,000&lt;/span&gt; and $&lt;span id="xdx_90A_eus-gaap--InterestIncomeOther_pp0p0_c20200101__20201231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember__us-gaap--TypeOfArrangementAxis__custom--ThousandandThreeClosurePolicyMember_zpu4Gf3DCirf" title="Interest income"&gt;1,975,000&lt;/span&gt; on the finite risk sinking funds as of December 31, 2021 and
December 31, 2020, respectively. Interest income for the year ended 2021 and 2020 was approximately $&lt;span id="xdx_908_eus-gaap--InterestIncomeOther_pp0p0_c20210101__20211231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember_zPhZ9uEeNvU6" title="Interest income"&gt;25,000&lt;/span&gt; and $&lt;span id="xdx_90E_eus-gaap--InterestIncomeOther_pp0p0_c20200101__20201231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember_z2zgVatDLNv" title="Interest income"&gt;139,000&lt;/span&gt;, respectively.
If the Company so elects, AIG is obligated to pay us an amount equal to &lt;span id="xdx_907_ecustom--InsurersObligationToEntityOnTerminationOfContract_iI_pid_dp_uPure_c20211231__srt--CounterpartyNameAxis__custom--AmericanInternationalGroupIncMember_z5wGZ1Su8TAk" title="Insurers obligation to entity on termination of contract"&gt;100%&lt;/span&gt; of the finite risk sinking fund account balance in return
for complete release of liability from both us and any applicable regulatory agency using this policy as an instrument to comply with
financial assurance requirements.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Letter
of Credits and Bonding Requirements&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;From
time to time, the Company is required to post standby letters of credit and various bonds to support contractual obligations to customers
and other obligations, including facility closures. At December 31, 2021, the total amount of standby letters of credit outstanding was
approximately $&lt;span id="xdx_900_eus-gaap--LettersOfCreditOutstandingAmount_iI_pp0p0_c20211231_zZql2MImX08" title="Letters of credit outstanding, amount"&gt;3,020,000&lt;/span&gt; and the total amount of bonds outstanding was approximately $&lt;span id="xdx_90B_ecustom--BondOutstanding_iI_pp0p0_c20211231_zM8xweWeTey2" title="Bond outstanding"&gt;50,109,000&lt;/span&gt;.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:CommitmentsAndContingenciesDisclosureTextBlock>
    <PESI:SelfinsuredRetention
      contextRef="From2021-01-01to2021-12-31"
      decimals="0"
      unitRef="USD">100000</PESI:SelfinsuredRetention>
    <PESI:UnpaidReceivablesAndUnbilledCosts
      contextRef="From2021-01-012021-12-31_custom_CanadianNuclearLaboratoriesLTDMember"
      decimals="0"
      unitRef="USD">2640000</PESI:UnpaidReceivablesAndUnbilledCosts>
    <us-gaap:AccountsReceivableNetCurrent
      contextRef="AsOf2021-12-31_custom_CanadianNuclearLaboratoriesLTDMember"
      decimals="0"
      unitRef="USD">871000</us-gaap:AccountsReceivableNetCurrent>
    <PESI:BondSecuringAmount
      contextRef="From2021-01-012021-12-31_custom_CanadianNuclearLaboratoriesLTDMember"
      decimals="0"
      unitRef="CAD">1900000</PESI:BondSecuringAmount>
    <PESI:PeriodOfFiniteRiskInsurancePolicy contextRef="From2003-06-012003-06-30_custom_AmericanInternationalGroupIncMember">P25Y</PESI:PeriodOfFiniteRiskInsurancePolicy>
    <PESI:MaximumAllowableCoverageOfInsurancePolicy
      contextRef="AsOf2021-12-31_custom_AmericanInternationalGroupIncMember"
      decimals="0"
      unitRef="USD">28177000</PESI:MaximumAllowableCoverageOfInsurancePolicy>
    <PESI:CoverageAmountUnderPolicy
      contextRef="AsOf2021-12-31_custom_AmericanInternationalGroupIncMember"
      decimals="0"
      unitRef="USD">20403000</PESI:CoverageAmountUnderPolicy>
    <us-gaap:RestrictedCashNoncurrent
      contextRef="AsOf2021-12-31_custom_AmericanInternationalGroupIncMember_custom_ThousandandThreeClosurePolicyMember"
      decimals="0"
      unitRef="USD">11471000</us-gaap:RestrictedCashNoncurrent>
    <us-gaap:RestrictedCashNoncurrent
      contextRef="AsOf2020-12-31_custom_AmericanInternationalGroupIncMember_custom_ThousandandThreeClosurePolicyMember"
      decimals="0"
      unitRef="USD">11446000</us-gaap:RestrictedCashNoncurrent>
    <us-gaap:InterestIncomeOther
      contextRef="From2021-01-012021-12-31_custom_AmericanInternationalGroupIncMember_custom_ThousandandThreeClosurePolicyMember"
      decimals="0"
      unitRef="USD">2000000</us-gaap:InterestIncomeOther>
    <us-gaap:InterestIncomeOther
      contextRef="From2020-01-012020-12-31_custom_AmericanInternationalGroupIncMember_custom_ThousandandThreeClosurePolicyMember"
      decimals="0"
      unitRef="USD">1975000</us-gaap:InterestIncomeOther>
    <us-gaap:InterestIncomeOther
      contextRef="From2021-01-012021-12-31_custom_AmericanInternationalGroupIncMember"
      decimals="0"
      unitRef="USD">25000</us-gaap:InterestIncomeOther>
    <us-gaap:InterestIncomeOther
      contextRef="From2020-01-012020-12-31_custom_AmericanInternationalGroupIncMember"
      decimals="0"
      unitRef="USD">139000</us-gaap:InterestIncomeOther>
    <PESI:InsurersObligationToEntityOnTerminationOfContract
      contextRef="AsOf2021-12-31_custom_AmericanInternationalGroupIncMember"
      decimals="INF"
      unitRef="Pure">1</PESI:InsurersObligationToEntityOnTerminationOfContract>
    <us-gaap:LettersOfCreditOutstandingAmount contextRef="AsOf2021-12-31" decimals="0" unitRef="USD">3020000</us-gaap:LettersOfCreditOutstandingAmount>
    <PESI:BondOutstanding contextRef="AsOf2021-12-31" decimals="0" unitRef="USD">50109000</PESI:BondOutstanding>
    <us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_806_eus-gaap--PensionAndOtherPostretirementBenefitsDisclosureTextBlock_z07Gb5yuS81a" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;NOTE
16&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_826_zzEUTCPZDm5a"&gt;PROFIT
SHARING PLAN&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company adopted a 401(k) Plan in 1992, which is intended to comply with Section 401 of the Internal Revenue Code and the provisions of
the Employee Retirement Income Security Act of 1974. All full-time employees who have attained the age of &lt;span id="xdx_909_ecustom--MinimumAgeForFullTimeEmployeesToParticipateInPlan_uInteger_c20210101__20211231_zY064u4BUiQ2" title="Minimum age for full time employees to participate in plan"&gt;18&lt;/span&gt; are eligible to participate
in the 401(k) Plan. Eligibility is immediate upon employment but enrollment is only allowed during &lt;span id="xdx_902_ecustom--NumberOfQuarterlyOpenPeriodsForEnrollment_dc_uInteger_c20210101__20211231_zC1eJCgl5f1j" title="Number of quarterly open periods for enrollment"&gt;four&lt;/span&gt; quarterly open periods of January
1, April 1, July 1, and October 1. Participating employees may make annual pretax contributions to their accounts up to &lt;span id="xdx_908_eus-gaap--DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_pid_dp_uPure_c20210101__20211231_zXvsbDdnKQmi" title="Defined contribution plan, maximum annual contributions per employee, percent"&gt;100%&lt;/span&gt; of their
compensation, up to a maximum amount as limited by law. The Company, at its discretion, may make matching contributions of &lt;span id="xdx_90C_eus-gaap--DefinedContributionPlanEmployerMatchingContributionPercent_pid_dp_uPure_c20210101__20211231_zPHU09JRlOy1" title="Defined contribution plan, employer matching contribution, percent of employees' gross pay"&gt;25%&lt;/span&gt; based
on the employee&#x2019;s elective contributions. Company contributions vest over a period of &lt;span id="xdx_901_ecustom--DefinedContributionPlanEmployersContributionVestingPeriod_dc_c20210101__20211231_z8zeyCNHCKTl" title="Defined contribution plan employers contribution vesting period"&gt;five years&lt;/span&gt;. In 2021 and 2020, the Company
contributed approximately $&lt;span id="xdx_90E_eus-gaap--DefinedContributionPlanEmployerDiscretionaryContributionAmount_c20210101__20211231_zj35SXlSzFQ4" title="Defined contribution plan, employer discretionary contribution amount"&gt;589,000&lt;/span&gt; and $&lt;span id="xdx_909_eus-gaap--DefinedContributionPlanEmployerDiscretionaryContributionAmount_c20200101__20201231_zlIBaywEXe8f" title="Defined contribution plan, employer discretionary contribution amount"&gt;594,000&lt;/span&gt; in 401(k) matching funds, respectively.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

</us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock>
    <PESI:MinimumAgeForFullTimeEmployeesToParticipateInPlan
      contextRef="From2021-01-01to2021-12-31"
      decimals="INF"
      unitRef="Integer">18</PESI:MinimumAgeForFullTimeEmployeesToParticipateInPlan>
    <PESI:NumberOfQuarterlyOpenPeriodsForEnrollment
      contextRef="From2021-01-01to2021-12-31"
      decimals="INF"
      unitRef="Integer">4</PESI:NumberOfQuarterlyOpenPeriodsForEnrollment>
    <us-gaap:DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
      contextRef="From2021-01-01to2021-12-31"
      decimals="INF"
      unitRef="Pure">1</us-gaap:DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent>
    <us-gaap:DefinedContributionPlanEmployerMatchingContributionPercent
      contextRef="From2021-01-01to2021-12-31"
      decimals="INF"
      unitRef="Pure">0.25</us-gaap:DefinedContributionPlanEmployerMatchingContributionPercent>
    <PESI:DefinedContributionPlanEmployersContributionVestingPeriod contextRef="From2021-01-01to2021-12-31">P5Y</PESI:DefinedContributionPlanEmployersContributionVestingPeriod>
    <us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount
      contextRef="From2021-01-01to2021-12-31"
      decimals="0"
      unitRef="USD">589000</us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount>
    <us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount
      contextRef="From2020-01-012020-12-31"
      decimals="0"
      unitRef="USD">594000</us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount>
    <us-gaap:RelatedPartyTransactionsDisclosureTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_805_eus-gaap--RelatedPartyTransactionsDisclosureTextBlock_zvx9nSNs2sGi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;NOTE
17&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_824_zRgbcJgJdPJk"&gt;RELATED
PARTY TRANSACTIONS&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;David
Centofanti&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;David
Centofanti serves as our Vice President of Information Systems. For such position, he received annual compensation of $&lt;span id="xdx_908_eus-gaap--SalariesAndWages_pp0p0_c20210101__20211231__srt--TitleOfIndividualAxis__custom--VicePresidentOfInformationSystemsMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--DrDavidCentofantiMember_zCsL6jWDhgPd" title="Compensation"&gt;184,000&lt;/span&gt; and $&lt;span id="xdx_90A_eus-gaap--SalariesAndWages_pp0p0_c20200101__20201231__srt--TitleOfIndividualAxis__custom--VicePresidentOfInformationSystemsMember__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--DrDavidCentofantiMember_z57blPl3O82k" title="Compensation"&gt;181,000&lt;/span&gt;
for 2021 and 2020, respectively. David Centofanti is the son of our EVP of Strategic Initiatives and a Board member.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;Employment
Agreements&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company entered into an employment agreement dated July 22, 2020 with each of our executive officers (each employment agreement referred
to as &#x201c;Employment Agreement&#x201d;).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Each
Employment Agreement is effective for three years from July 22, 2020 (the &#x201c;Initial Term&#x201d;) unless earlier terminated by the
Company or by the executive officer. At the end of the Initial Term of each Employment Agreement, each Employment Agreement will automatically
be extended for one additional year, unless at least six months prior to the expiration of the Initial Term, we or the executive officer
provides written notice not to extend the terms of the Employment Agreement. Each Employment Agreement provides for annual base salary,
performance bonuses (as provided in the MIP as approved by our Compensation Committee and Board) and other benefits commonly found in
such agreement.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Pursuant
to each Employment Agreement, if the executive officer&#x2019;s employment is terminated due to death/disability or for cause (as defined
in the agreement), the Company will pay to the executive officer or to his estate an amount equal to the sum of any unpaid base salary
and accrued unused vacation time through the date of termination and any benefits due to the executive officer under any employee benefit
plan (the &#x201c;Accrued Amounts&#x201d;) plus any performance compensation payable pursuant to the MIP with respect to the fiscal year
immediately preceding the date of termination.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;If
the executive officer terminates his employment for &#x201c;good reason&#x201d; (as defined in the agreement) or is terminated by us without
cause (including any such termination for &#x201c;good reason&#x201d; or without cause within 24 months after a Change in Control (as defined
in the agreement)), the Company will pay the executive officer the Accrued Amounts, two years of full base salary, and two times the
performance compensation (under the MIP) earned with respect to the fiscal year immediately preceding the date of termination provided
the performance compensation earned with respect to the fiscal year immediately preceding the date of termination has not been paid.
If performance compensation earned with respect to the fiscal year immediately preceding the date of termination has been made to the
executive officer, the executive officer will be paid an additional year of the performance compensation earned with respect to the fiscal
year immediately preceding the date of termination. If the executive terminates his employment for a reason other than for good reason,
the Company will pay to the executive an amount equal to the Accrued Amounts plus any performance compensation payable pursuant to the
MIP with respect to the fiscal year immediately preceding the date of termination.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;If
there is a Change in Control (as defined in the agreement), all outstanding stock options to purchase common stock held by the executive
officer will immediately become exercisable in full commencing on the date of termination through the original term of the options. In
the event of the death of an executive officer, all outstanding stock options to purchase common stock held by the executive officer
will immediately become exercisable in full commencing on the date of death, with such options exercisable for the lesser of the original
option term or twelve months from the date of the executive officer&#x2019;s death. In the event an executive officer terminates his employment
for &#x201c;good reason&#x201d; or is terminated by the Company without cause, all outstanding stock options to purchase common stock held
by the executive officer will immediately become exercisable in full commencing on the date of termination, with such options exercisable
for the lesser of the original option term or within 60 days from the date of the executive&#x2019;s date of termination. Severance benefits
payable with respect to a termination (other than Accrued Amounts) shall not be payable until the termination constitutes a &#x201c;separation
from service&#x201d; (as defined under Treasury Regulation Section 1.409A-1(h)).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;MIPs&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;On
January 21, 2021, the Compensation Committee and our Board approved individual MIP for the calendar year 2021 for each of our executive
officers. Each MIP is effective January 1, 2021 and applicable for year 2021. Each MIP provides guidelines for the calculation of annual
cash incentive-based compensation, subject to Compensation Committee oversight and modification. The performance compensation under each
of the MIPs is based upon meeting certain of the Company&#x2019;s separate target objectives during 2021. Assuming each target objective
is achieved under the same performance threshold range under each MIP, the total potential target performance compensation payable ranged
from &lt;span id="xdx_90D_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--CEOMember_zPxfLAKkcCkc" title="Compensation arrangement with individual, cash awards, minimum, percentage"&gt;5%&lt;/span&gt; to &lt;span id="xdx_907_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--CEOMember_zE0qRBIV7fnf" title="Compensation arrangement with individual, cash awards, maximum, percentage"&gt;150%&lt;/span&gt; of the base salary for the CEO ($&lt;span id="xdx_90B_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--CEOMember_zqlA4EUjyiRa" title="Compensation arrangement with individual, cash awards, minimum, amount"&gt;17,220&lt;/span&gt; to $&lt;span id="xdx_908_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--CEOMember_zszGJt7XeLFa" title="Compensation arrangement with individual, cash awards, maximum, amount"&gt;516,600&lt;/span&gt;), &lt;span id="xdx_907_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_zWnFkCiWMgB4" title="Compensation arrangement with individual, cash awards, minimum, percentage"&gt;5%&lt;/span&gt; to &lt;span id="xdx_90D_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_ziIUgKDTPxy7" title="Compensation arrangement with individual, cash awards, maximum, percentage"&gt;100%&lt;/span&gt; of the base salary for the CFO ($&lt;span id="xdx_90B_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_zP2rl9pnjFn4" title="Compensation arrangement with individual, cash awards, minimum, amount"&gt;14,000&lt;/span&gt; to $&lt;span id="xdx_907_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_z2yN3bwmkKQh" title="Compensation arrangement with individual, cash awards, maximum, amount"&gt;280,000&lt;/span&gt;),
&lt;span id="xdx_909_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_zEMbIUNmPeB1" title="Compensation arrangement with individual, cash awards, minimum, percentage"&gt;5%&lt;/span&gt; to &lt;span id="xdx_908_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_zPFpGxbuDQMc" title="Compensation arrangement with individual, cash awards, maximum, percentage"&gt;100%&lt;/span&gt; of the base salary for the EVP of Strategic Initiatives ($&lt;span id="xdx_90B_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_zluUS0BplaY9" title="Compensation arrangement with individual, cash awards, minimum, amount"&gt;11,667&lt;/span&gt; to $&lt;span id="xdx_903_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_zJUkg8i07rQ8" title="Compensation arrangement with individual, cash awards, maximum, amount"&gt;233,336&lt;/span&gt;), &lt;span id="xdx_90E_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zcdtTO0OgeD9" title="Compensation arrangement with individual, cash awards, minimum, percentage"&gt;5%&lt;/span&gt; to &lt;span id="xdx_905_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zpGbamLTnWw1" title="Compensation arrangement with individual, cash awards, maximum, percentage"&gt;100%&lt;/span&gt; of the base salary for the EVP of
Nuclear and Technical Services ($&lt;span id="xdx_902_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zx75wD35LwA4" title="Compensation arrangement with individual, cash awards, minimum, amount"&gt;14,000&lt;/span&gt; to $&lt;span id="xdx_908_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zNlKFlcNzUNk" title="Compensation arrangement with individual, cash awards, maximum, amount"&gt;280,000&lt;/span&gt;) and &lt;span id="xdx_905_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_zaaMmx48Q9Li" title="Compensation arrangement with individual, cash awards, minimum, percentage"&gt;5%&lt;/span&gt; to &lt;span id="xdx_906_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20210120__20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_z74Z63pleSxf" title="Compensation arrangement with individual, cash awards, maximum, percentage"&gt;100%&lt;/span&gt; ($&lt;span id="xdx_905_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_z76xWBcLNAAc" title="Compensation arrangement with individual, cash awards, minimum, amount"&gt;12,000&lt;/span&gt; to $&lt;span id="xdx_903_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_zUmAmmdUu1wj" title="Compensation arrangement with individual, cash awards, maximum, amount"&gt;240,000&lt;/span&gt;) of the base salary for the EVP of Waste Treatment
Operations. No performance compensation was earned under any of the 2021 MIPs.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;Board
Compensation&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;On
January 21, 2021, the Company&#x2019;s Compensation Committee and the Board approved, effective January 1, 2021, the following revisions
to the annual compensation of each non-employee Board member for service on the Board and the Board Committee(s) for which the Board
member serves:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;each
    director is to be paid a quarterly fee of $&lt;span id="xdx_903_ecustom--QuarterlyFee_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__srt--DirectorMember__srt--StatementScenarioAxis__custom--RevisedMember_znUxRO34kfh" title="Quarterly fee"&gt;11,500&lt;/span&gt;, compared to the previous quarterly fee of $&lt;span id="xdx_90B_ecustom--QuarterlyFee_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__srt--DirectorMember__srt--StatementScenarioAxis__custom--PriorToRevisionMember_zrhN44cm9Hx" title="Quarterly fee"&gt;8,000&lt;/span&gt;;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;the
    Chairman of the Board is to be paid an additional quarterly fee of $&lt;span id="xdx_90E_ecustom--QuarterlyFee_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ChairmanOfTheBoardMember__srt--StatementScenarioAxis__custom--RevisedMember_zCDZMahGry42" title="Quarterly fee"&gt;8,750&lt;/span&gt;, compared to the Chairman&#x2019;s previous additional quarterly
    fee of $&lt;span id="xdx_90D_ecustom--QuarterlyFee_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ChairmanOfTheBoardMember__srt--StatementScenarioAxis__custom--PriorToRevisionMember_zZphcUdEFFV5" title="Quarterly fee"&gt;7,500&lt;/span&gt;;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;the
    Chairman of the Audit Committee is to be paid an additional quarterly fee of $&lt;span id="xdx_90B_ecustom--QuarterlyFee_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ChairmanOfTheAuditCommitteeMember__srt--StatementScenarioAxis__custom--RevisedMember_zWLUWaiCMrZj" title="Quarterly fee"&gt;6,250&lt;/span&gt;, compared to the Audit Chair&#x2019;s previous
    additional quarterly fee of $&lt;span id="xdx_905_ecustom--QuarterlyFee_iI_pp0p0_c20210121__srt--TitleOfIndividualAxis__custom--ChairmanOfTheAuditCommitteeMember__srt--StatementScenarioAxis__custom--PriorToRevisionMember_zgoomwi8Oxa6" title="Quarterly fee"&gt;5,500&lt;/span&gt;;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;the
    Chairman of each of the Compensation Committee, the Corporate Governance and Nominating Committee (&#x201c;Nominating Committee&#x201d;),
    and the Strategic Advisory Committee (&#x201c;Strategic Committee&#x201d;) is to receive $&lt;span id="xdx_90B_ecustom--BoardChairmanCommitteeFees_pp0p0_c20210120__20210121__us-gaap--TypeOfArrangementAxis__custom--ChairmanOfCompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember_zHCY69Tv8J8a" title="Board chairman committee fees"&gt;3,125&lt;/span&gt; in additional quarterly fees. No additional
    quarterly fees were previously paid to the chairs of such committees. The Chairman of the Board is not eligible to receive a quarterly
    fee for serving as the Chairman of any the aforementioned committees;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;each
    Audit Committee member (excluding the Chairman of the Audit Committee) is to receive an additional quarterly fee of $&lt;span id="xdx_909_ecustom--AuditCommitteeMemberFees_pp0p0_c20210120__20210121__srt--TitleOfIndividualAxis__custom--AuditCommitteeMemberMember_zKUozrpNS1Z" title="Audit committee member fees"&gt;1,250&lt;/span&gt;; and&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;each
    member of the Compensation Committee, the Nominating Committee, and the Strategic Committee is to receive a quarterly fee of $&lt;span id="xdx_907_ecustom--CommitteeMemberFees_pp0p0_c20210120__20210121__us-gaap--TypeOfArrangementAxis__custom--CompensationCommitteeNominatingCommitteeAndTheStrategicCommitteeMember_z0SN4rg7e2Y8" title="Committee member fees"&gt;500&lt;/span&gt;.
    Such fee is payable only if the member does not also serve as the Chairman of another standing committee or as the Chairman of the
    Board.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;
&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span id="xdx_903_ecustom--BoardMeetingAttendanceDescription_c20210120__20210121__us-gaap--TypeOfArrangementAxis__custom--NonEmployeeBoardMemberMember_zGAZqoESSKk9" title="Board meeting attendance description"&gt;Each
non-employee Board member continues to receive $1,000 for each in-person board meeting attendance and a $&lt;span id="xdx_904_ecustom--BoardAttendanceFees_pp0p0_c20210120__20210121__us-gaap--TypeOfArrangementAxis__custom--NonEmployeeBoardMemberMember_zExDOWLqjHOj"&gt;500&lt;/span&gt; fee for meeting attendance
via conference call&lt;/span&gt;. Reimbursements of expenses for attending meetings of the Board are paid in cash at the time of the applicable Board
meeting.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span id="xdx_90A_ecustom--FeesPayableDescripton_c20210120__20210121__us-gaap--TypeOfArrangementAxis__custom--NonEmployeeDirectorMember__us-gaap--PlanNameAxis__custom--TwoThousandAndThreePlanMember_z7asbzrGQNC9" title="Fees payable description"&gt;Each
non-employee director may continue to elect to have either 65% or 100% of such fees payable in Common Stock under the 2003 Plan, with
the balance, if any, payable in cash (see &#x201c;Note 6 &#x2013; Capital Stock, Stock Plans, Warrants, and Stock Based Compensation &#x2013;
Stock Option Plans&#x201d; for a discussion of the 2003 Plan)&lt;/span&gt;.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:RelatedPartyTransactionsDisclosureTextBlock>
    <us-gaap:SalariesAndWages
      contextRef="From2021-01-012021-12-31_custom_VicePresidentOfInformationSystemsMember_custom_DrDavidCentofantiMember"
      decimals="0"
      unitRef="USD">184000</us-gaap:SalariesAndWages>
    <us-gaap:SalariesAndWages
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    <us-gaap:SegmentReportingDisclosureTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_80F_eus-gaap--SegmentReportingDisclosureTextBlock_zpn9VGjUvb9e" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;NOTE
18&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_827_zYpol1EamARf"&gt;SEGMENT
REPORTING&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;In
accordance with ASC 280, &#x201c;Segment Reporting&#x201d;, we define an operating segment as a business activity:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 408.75pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;from
    which we may earn revenue and incur expenses;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;whose
    operating results are regularly reviewed by the CODM to make decisions about resources to be allocated to the segment and assess
    its performance; and&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;for
    which discrete financial information is available.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;
&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;We
have &lt;span id="xdx_903_eus-gaap--NumberOfReportableSegments_pid_dcp_uInteger_c20210101__20211231_zB2JBgTjsJuk" title="Number of reportable segments"&gt;three&lt;/span&gt; reporting segments, which include Treatment and Services Segments, which are based on a service offering approach; and Medical,
whose primary purpose was the R&amp;amp;D of a medical isotope production technology. The Medical Segment had not generated any revenues.
During December 2021, the Company made the strategic decision to cease all R&amp;amp;D activities under the Medical Segment which resulted
in the sale of &lt;span id="xdx_904_ecustom--SalePercentage_pid_dp_uPure_c20210101__20211231_z6Mvs3aaSCs3" title="Sale percentage"&gt;100%&lt;/span&gt; of its interest of PFM Poland (see &#x201c;Note 14 &#x2013; PF Medical&#x201d; for a discussion of this transaction).
Our reporting segments exclude our corporate headquarter, business center and our discontinued operations (see &#x201c;Note 9 &#x2013;
Discontinued Operations&#x201d;) which do not generate revenues.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_89D_eus-gaap--ScheduleOfSegmentReportingInformationBySegmentTextBlock_gL3SOSRIBSTB-SOTSPE_z62Y5KkK9ZKi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
table below shows certain financial information of our reporting segments as of and for the years ended December 31, 2021 and 2020 (in
thousands).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span id="xdx_8B9_zQPhFvtIFFjl" style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;SCHEDULE OF SEGMENT REPORTING INFORMATION&lt;/span&gt;&lt;/p&gt;

&lt;p style="margin: 0; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Segment Reporting as of and for the
year ended December 31, 2021&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;



&lt;p style="margin: 0; font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/p&gt;&lt;table cellpadding="0" cellspacing="0" style="font: 8.5pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
&lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Treatment&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Services&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Medical&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Segments
    Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"&gt;&lt;span id="xdx_F5B_zWaLkXorX2la" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Corporate
    &lt;sup&gt;(2)&lt;/sup&gt; &lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup/&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Consolidated
    Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 36%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Revenue
    from external customers&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z9uzBFMOsGpg" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;32,992&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z1ileXoUqttj" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;39,199&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zwrzRJjy7ura" style="width: 6%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2092"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 4%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; width: 1%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_fKDMpKDQp_z3Q1MAbmLp23" style="font: 10pt Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;72,191&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; width: 4%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F25_z3hnexLNo2jh"&gt;(3)(4)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zBeoBMKDfptg" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl2096"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 4%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231_zbxk7k8FtcEk" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;72,191&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Intercompany
    revenues&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_ecustom--IntercompanyRevenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z9Zsh2pP34L4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,265&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_ecustom--IntercompanyRevenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_ztba8RXrzQX7" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;47&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_ecustom--IntercompanyRevenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zHouQ3SJNGuj" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2104"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_ecustom--IntercompanyRevenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zB503YezoqAd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,312&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_ecustom--IntercompanyRevenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z6WgwPUUEgT4" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl2108"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: right"&gt;&lt;p id="xdx_981_ecustom--IntercompanyRevenues_pn3n3_c20210101__20211231_zG6LHh0JW3wl" style="font: 8.5pt/107% Times New Roman, Times, Serif; margin: 0" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl2110"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Gross
    profit &lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--GrossProfit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zSTnAFZRufp3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;6,718&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--GrossProfit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zVsriOsvmEQ7" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;106&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--GrossProfit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zO84PacoKfuf" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2116"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--GrossProfit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zoBRUkHbg1Xj" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;6,824&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right"&gt;&lt;p id="xdx_98E_eus-gaap--GrossProfit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z944djxs6eWh" style="font: 8.5pt/107% Times New Roman, Times, Serif; margin: 0" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl2120"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"/&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--GrossProfit_pn3n3_c20210101__20211231_zYGSru94Mj5l" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;6,824&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Research
    and development&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z1gNvSmCtIN7" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;221&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z1CF5Szs0vy3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;71&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zu7Yk4OmNEL8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;414&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zvc1z0a0NaM5" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;706&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zUp8MMvetW0e" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;40&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231_zRapfUQyaNla" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;746&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Interest
    income&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--InterestIncomeOther_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zSceVNH7FTqa" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--InterestIncomeOther_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z1LUasixjfsh" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2138"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right"&gt;&lt;p id="xdx_989_eus-gaap--InterestIncomeOther_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zqtL8vEQM5Cf" style="font: 8.5pt/107% Times New Roman, Times, Serif; margin: 0" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl2140"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"/&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--InterestIncomeOther_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zaGXVOyzcjKf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--InterestIncomeOther_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zBFGc8LBIL0e" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;25&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--InterestIncomeOther_pn3n3_c20210101__20211231_zXdulaC9ytL8" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;26&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Interest
    expense&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--InterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zKmGBWnKaCNf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(100&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--InterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zgBe0gQgPJz" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(10&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--InterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zsN69I9wVWcd" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2152"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--InterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zDb5tjHzdwh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(110&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--InterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zm1LjiLhXzf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(137&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--InterestExpense_iN_pn3n3_di_c20210101__20211231_zYECmv90UgU4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(247&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Interest
    expense-financing fees&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zOLZ5JSvdua8" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2160"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zDOBRG9bf6sa" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(1&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right"&gt;&lt;p id="xdx_98E_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zoU8es6SBhn5" style="font: 8.5pt/107% Times New Roman, Times, Serif; margin: 0" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl2164"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"/&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zYfmX8p1SbJi" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(1)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"/&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zbXCGr7ZTMKg" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(40&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20210101__20211231_zNFbbXrN9dUe" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(41&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Depreciation
    and amortization&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z4SNEd8LRXJ1" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,306&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z8wbQqYQdWLd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;353&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_z40WesDIu377" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2176"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_znQ5MXthktpe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,659&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z7BjHc3K5hmi" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;28&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20211231_zG0vuCxAXz89" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,687&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Segment
    income (loss) before income taxes&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zAanfWT2KJ95" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;2,283&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zEBZfDvq3bKg" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(3,044&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_fKDExKSgxMik___ze80njzjJ2Bk" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(1,476)
                                            &lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F21_zV5FRhXwCFvg"&gt;(11)(12)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zgPGP0S9fMeg" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(2,237&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIpKDkpKDExKQ_____zmQtDa8sUSld" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(561)&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F2E_zkeltADeZvs1"&gt;(9)(11)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231_zpPfcNZP7rU1" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(2,798&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Income
    tax (benefit) expense&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zoZaghFBKxci" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(150&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z87Wmvtsjdi5" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(962&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zQRHylAhuBB2" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;26&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zqiLTCB2wP9g" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(1,086&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zRXGQgEry5Kf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(2,804&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20210101__20211231_fKDEwKQ_____zkivQ9iU9rBh" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(3,890)&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span id="xdx_F28_z07e1SWJBDtf" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(10)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Segment
    income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z2z8uzRz5Kg6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;2,433&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zzVdO3vuCEpg" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(2,082&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zgvIJ9osPB7d" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(1,502&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zgLRGVxAhZpc" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(1,151&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zq1NDIIHh2ke" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;2,243&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20210101__20211231_zBwFQsFNluNf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,092&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Segment
    assets&lt;sup id="xdx_F23_zDFQgcze3Z52"&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--Assets_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_fKDEp_zkNjHtb3TDYa" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;37,050&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--Assets_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_fKDEpKDgp_zrWuZIRISSoi" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;15,244&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F2B_z0n040FMzP36"&gt;(8)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--Assets_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_fKDEp_z5fpnXlVW0c9" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;48&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--Assets_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_fKDEp_zigSwwmpyzL2" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;52,342&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--Assets_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDEpKDIpKDUp_z8ViUXEVef34" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;24,959&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F2B_zqPKNNmm6zek"&gt;(5)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--Assets_iI_pn3n3_c20211231_fKDEp_zY95y5iCmXLe" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;77,301&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup/&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Expenditures
    for segment assets (net)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zCnAqD26gEm3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,363&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_znyeYgF3ITnc" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;205&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zSzcwgKgi8Bk" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2236"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zIZpOb36v1yc" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,568&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zSiuZLFccFbe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;9&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231_fKDcp_z0irfybaEPQf" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,577&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F23_zsSsAuz9Yqz5"&gt;(7)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Total
    debt&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z5Ka5GMKQU07" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;25&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zdt82idfRTu4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;14&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zAcpX7r83yZb" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2248"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zsm9HZUgnlS9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;39&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z8xV15mXUBhf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;954&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231_fKDYp_zCrgdKoPcSxl" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;993&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F28_zEURqZ6fcbB3"&gt;(6)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p style="margin: 0; font-family: Times New Roman, Times, Serif"/&gt;&lt;p style="margin: 0; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="margin: 0; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Segment Reporting as of and for the
year ended December 31, 2020&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;



&lt;p style="margin: 0; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;
&lt;table cellpadding="0" cellspacing="0" style="font: 8.5pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Treatment&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Services&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Medical&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Segments
    Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"&gt;&lt;span id="xdx_F56_zSGkSuG4PBJg" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Corporate
    &lt;sup&gt;(2)&lt;/sup&gt; &lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup/&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Consolidated
    Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 36%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Revenue
    from external customers&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z4YfMtdPm659" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;30,143&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zfOcqrKRscIl" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;75,283&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zXLkRtiPogEg" style="width: 6%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2260"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 4%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; width: 1%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_fKDMpKDQp_zeWBLF4U7fl9" style="font: 10pt Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;105,426
                                            &lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; width: 4%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F2D_zerWrp5lJPa1"&gt;(3)(4)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z79iAGS1RsW5" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl2264"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 4%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231_zSc7bNSpA6Od" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;105,426&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Intercompany
    revenues&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zhswloUZWBNd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,493&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zvGOx0YSEARe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;25&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zYhnVV0rQiGe" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2272"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zi43jqKoOsD3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,518&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zzE4tqruZjD7" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl2276"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231_ztBJ1Z5DnhWh" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2278"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Gross
    profit&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--GrossProfit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zsURkHBdV9Bk" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;5,491&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--GrossProfit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zitlm7BkT76a" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;10,402&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--GrossProfit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zEZhYuPb6i83" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2284"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--GrossProfit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zrCD821Vnxyi" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;15,893&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--GrossProfit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zDwZUqSD7Cal" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2288"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--GrossProfit_pn3n3_c20200101__20201231_zPyIddH0cp4f" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;15,893&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Research
    and development&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zrkOn9BMwDci" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;243&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zYGc43KQdc9k" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;132&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zk3VC30Lf4G1" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;311&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zWciVPL1h86e" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;686&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z5NaR5Yq3UP4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;76&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231_zuv6421VPrI3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;762&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Interest
    income&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--InterestIncomeOther_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zXZQfuxRrqw6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--InterestIncomeOther_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zGU8V3YE89si" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2306"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--InterestIncomeOther_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zq4apid6EY4k" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2308"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--InterestIncomeOther_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zaddKMJHnS5l" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--InterestIncomeOther_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zqSSgtxHLrNg" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;139&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--InterestIncomeOther_pn3n3_c20200101__20201231_z8VXk8CZWzT9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;140&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Interest
    expense&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--InterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zNYTrMO1yB3l" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(115&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--InterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zUhzQsCMPet4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(27&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--InterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zvXFrPh8WrRg" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2320"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--InterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zrKIJjUaR448" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(142&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--InterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zPrMmULVghue" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(256&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--InterestExpense_iN_pn3n3_di_c20200101__20201231_zYkyHk8NWE98" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(398&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Interest
    expense-financing fees&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zDWqXWKNpII5" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2328"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zWAZAPPLuSH5" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2330"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zNu0LVpu3f24" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2332"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;p id="xdx_987_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_z8cjoDKA1W5i" style="font: 8.5pt/107% Times New Roman, Times, Serif; margin: 0" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl2334"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"/&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zXZJ8Ey0SaH4" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest expense-financing fees"&gt;&lt;span style="font: normal 10pt Times New Roman, Times, Serif"&gt;(294&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"/&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20200101__20201231_z7MEoa4ZaLqa" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(294&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Depreciation
    and amortization&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zkRIkHnKBYca" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,204&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zi10KHdc9qXd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;354&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_znNmHtTUBnu3" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2344"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zTMyt21UY4A" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,558&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zGMakBw32gy8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;38&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20201231_ztyRg7pWeh7b" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,596&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Segment
    income (loss) before income taxes&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zbMGcVm1Xfc4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,494&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zwJODxFUiqac" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;7,826&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_z0S3DN7yVBFk" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(311&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zGZU4V7sKxN4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;9,009&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zTC4k65BVV33" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(6,049&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231_zcO7nPqMab6l" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;2,960&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Income
    tax (benefit) expense&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zpZiaNYW1Yu9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(264&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zFBgJeHarWy7" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;6&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zwx1kosd5rc6" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2368"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zGWmhQy92urj" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(258&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zibfFfTiv0T8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;69&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20200101__20201231_zRQf7DeI4ful" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(189&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Segment
    income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zSQTPrJqwE9h" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,758&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z24TAZJryqSl" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;7,820&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zmyZDJ8pEZ1c" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(311&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zi7Vc87AOGuf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;9,267&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zVo3eGzhIzR" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(6,118&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20200101__20201231_zEp5VpT5RELg" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;3,149&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_F4F_zaw25Qa5dBO5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Segment
    assets&lt;sup id="xdx_F25_z3hgv8Rdggrb"&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--Assets_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_fKDEp_zyem7zbalnTa" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;32,324&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--Assets_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_fKDEpKDgp_zXPN8ZvB5Phc" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;22,368&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F2E_zqoRAnyceaF3"&gt;(8)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--Assets_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_fKDEp_zxcpProc7kO8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;17&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--Assets_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_fKDEp_zqqAO1vZXjWd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;54,709&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--Assets_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDEpKDIpKDUp_z2gP20mzfH98" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;24,210
                                            &lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F2F_zy9vGhDh0ejj"&gt;(5)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--Assets_iI_pn3n3_c20201231_fKDEp_zWu0W7wFjR6a" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;78,919&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Expenditures
    for segment assets (net)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zhpHHa79zGu5" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,264&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zDZGbYeb7Qw1" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;451&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zIKQaKattGFb" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2404"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_ztjmTcrGECNk" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,715&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zEJXPk8ZilXl" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2408"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231_fKDcp_zvP711BaoZEk" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,715&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F29_z7RrU7ztbGk2"&gt;(7)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Total
    debt&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zZ3837AWyvgk" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2412"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z1hp8CrOXjyj" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;23&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zmahB1OlTyQa" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2416"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zUrnT4WbPuif" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;23&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zmry6TvaU6Ia" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;6,706&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231_fKDYp_zeSyXX6VCfka" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;6,729&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F27_zcdquH0N1OLa"&gt;(6)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -0.5in"/&gt;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -0.5in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -9pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"&gt;
&lt;tr style="vertical-align: top"&gt;
  &lt;td style="text-align: left; padding-left: 0pt; text-indent: 0pt; width: 13.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F0A_zqle1JRt7FU8"&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
  &lt;td style="text-align: left; padding-left: 0pt; text-indent: 0pt"&gt;&lt;span id="xdx_F1F_zpElVBqgz833" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Segment assets have been adjusted for intercompany accounts
to reflect actual assets for each segment.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;


&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"&gt;
&lt;tr style="vertical-align: top"&gt;
  &lt;td style="text-align: left; padding-left: 0pt; text-indent: 0pt; width: 13.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F01_zuaqdJ5qMs5a"&gt;(2)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
  &lt;td style="text-align: left; padding-left: 0pt; text-indent: 0pt"&gt;&lt;span id="xdx_F1B_ziHDQavTfXef" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Amounts reflect the activity for corporate headquarters not
included in the segment information.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;


&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="width: 100%"&gt;
  &lt;tr style="vertical-align: top"&gt;
    &lt;td style="font: 11pt Calibri, Helvetica, Sans-Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sub id="xdx_F04_z9xl3ckMm6N6"&gt;(3)&lt;/sub&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 11pt Calibri, Helvetica, Sans-Serif; text-align: justify"&gt;&lt;span id="xdx_F1B_zw55YsKOxuej" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
    Company performed services relating to waste generated by government clients (domestic and foreign (primarily Canadian)), either
    directly as a prime contractor or indirectly for others as a subcontractor to government entities, representing approximately &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_908_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pid_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember_zrNlgpKXyT8g" title="Net revenues"&gt;60,812,000&lt;/span&gt;
    or &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_908_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember_z3BoNprriHDa" title="Concentration risk, percentage"&gt;84.2%&lt;/span&gt;
    of total revenue for 2021 and &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pid_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember_z6dAUDyJrxd2" title="Net revenues"&gt;96,582,000&lt;/span&gt;
    or &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember_zGAoZGR5xSP4" title="Concentration risk, percentage"&gt;91.6%&lt;/span&gt;
    of total revenue for 2020. The following reflects such revenue generated by our two segments:&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0" summary="xdx: Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details)"&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif; width: 0"/&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; width: 13.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F06_zvBpbpyXNhC2"&gt;(4)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F1B_zGIWMSE4spU9" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
                                            following table reflects revenue based on customer location:&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0" summary="xdx: Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details)"&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td id="xdx_F07_zdt0MJua4YI3" style="font: 10pt Times New Roman, Times, Serif; width: 13.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(5)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F12_zXnNmdiCSQtc" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Amount
                                            includes assets from our discontinued operations of $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90C_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20211231_zMxArjQKn737" title="Assets of disposal group including discontinued operation including not held for sale"&gt;96,000&lt;/span&gt; and $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_900_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20201231_zyIYQYgdGwXd" title="Assets of disposal group including discontinued operation including not held for sale"&gt;103,000&lt;/span&gt; at December 31,
                                            2021 and 2020, respectively.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td id="xdx_F04_zdl3HpsCC2Eg" style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(6)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F1D_zWmISz6qCRfb" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Net
                                            of debt discount/debt issuance costs of ($&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_906_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20211231_zOUUwwU4N4La" title="Debt issuance costs"&gt;112,000&lt;/span&gt;) and ($&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90F_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20201231_zqflA2cGoJya" title="Debt issuance costs"&gt;105,000&lt;/span&gt;) for 2021 and 2020, respectively
                                            (see &#x201c;Note 10 &#x2013; &#x201c;Long-Term Debt&#x201d; for additional information).&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F0A_zk5PVX0lT6z5"&gt;(7)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F1F_zrBcgh7PDF6k" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Net
                                            of financed amount of $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20210101__20211231_z27nqqcMuVg1" title="Financed portion amount in the purchase of capital expenditure"&gt;585,000&lt;/span&gt; and $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90C_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20200101__20201231_zeM5sHuj1x03" title="Financed portion amount in the purchase of capital expenditure"&gt;883,000&lt;/span&gt; for the year ended December 31, 2021 and 2020,
                                            respectively.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F0F_zEz4vAZyE3Ta"&gt;(8)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F1A_zBd2LGA38Jvh" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Includes
                                            long-lived asset (net) for our PF Canada, Inc. subsidiary of $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90D_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20211231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_zbjdNmwS4S87" title="Long-lived asset (net)"&gt;25,000&lt;/span&gt; and $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_906_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20201231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_z668KDn1vrw8" title="Long-lived asset (net)"&gt;33,000&lt;/span&gt; for the
                                            year ended December 31, 2021 and 2020, respectively.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F05_zXISe2xh6Ee7"&gt;(9)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F15_zY94RjQGVGbh" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Amount
                                            includes approximately $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pid_c20210101__20211231__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zBqzi4Gl24wf" title="Gain on extinguishment of debt"&gt;5,381,000&lt;/span&gt; of &#x201c;Gain on extinguishment of debt&#x201d; recorded
                                            in connection with the Company&#x2019;s PPP Loan which was forgiven by the SBA effective June
                                            15, 2021 (see &#x201c;Note 10 &#x2013; Long Term Debt &#x2013; PPP Loan&#x201d; for information
                                            of this loan forgiveness).&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td id="xdx_F0E_zUhiJfT0sTu7" style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(10)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F10_zdLhZr9HSYGj" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Includes
                                            tax benefit recorded in amount of approximately $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_pid_c20210701__20210930_zPuvB5nPxMnc" title="Income tax benefit valuation allowance"&gt;2,351,000&lt;/span&gt; resulting from release of valuation
                                            allowance on the Company&#x2019;s deferred tax assets (see &#x201c;Note 13 Income Taxes&#x201d;
                                            for a discussion of this tax benefit).&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td id="xdx_F00_zlVrHas1itVj" style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(11)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F1A_zEPzJQA1k2u3" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Includes
                                            elimination of gain/loss of $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_907_eus-gaap--DebtInstrumentDecreaseForgiveness_pid_c20210101__20211231_z5joKvpaezbj" title="Debt instrument, decrease, forgivenes"&gt;2,537,000&lt;/span&gt; in debt forgiveness between PFM Poland and the Company
                                            (see &#x201c;Note 14 &#x2013; PF Medical for a discussion of this debt forgiveness.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td id="xdx_F02_zuh36uNPNNO7" style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(12)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F16_z9gBfUuKR9c5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Amount
                                            includes a &#x201c;Loss on deconsolidation of subsidiary&#x201d; recorded in the amount of
                                            approximately $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--DeconsolidationGainOrLossAmount_iN_pip0_di_c20210101__20211231_zi540Q0xidPi" title="Deconsolidation, gain  (Loss),  amount"&gt;1,062,000&lt;/span&gt; resulting from the sale of PFM Poland (see &#x201c;Note 14 &#x2013;
                                            PF Medical for a discussion of this loss).&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;

&lt;p style="margin-top: 0; margin-bottom: 0"/&gt;
&lt;p id="xdx_8A4_zm2F43tno5wd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;


&lt;p id="xdx_89E_eus-gaap--ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock_zVFmL4nDcv0i" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 20pt"&gt;&lt;span id="xdx_8B2_zrwosZVVLwZ" style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;SCHEDULE OF REVENUE BY MAJOR CUSTOMERS BY REPORTING SEGMENTS&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Treatment&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Services&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Treatment&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Services&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 40%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Domestic government&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zAdtV655HdDj" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;22,538&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zwBdF3RIK2n5" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;29,013&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--Revenues_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zUWpUxwVZja6" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;51,551&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zdoWe0KUBgsa" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;22,795&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zernlPOLD4Yg" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;68,237&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zwygVhflueqf" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;91,032&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Foreign government&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_z9RN8fejMmfh" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;577&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zF6zZvlhrSai" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;8,684&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--Revenues_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zMjHrK0uw0mh" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;9,261&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zbXLk9Vp2cXe" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;415&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zQG4pkPcERY9" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;5,135&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--Revenues_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zWTi3vpMjjo5" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;5,550&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zaajcg2u0Pve" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;23,115&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zbMaOtsTBT78" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;37,697&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20210101__20211231_zUjbUqLHHpzj" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;60,812&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zycim0QbSnM5" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;23,210&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zgxaJ87K3n8d" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;73,372&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--Revenues_pn3n3_c20200101__20201231_zhtEi6cdf5y4" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;96,582&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8AF_z1zd1w8V7GZ4" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 20pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; display: none; margin: 0pt; text-align: justify; text-indent: 20pt"&gt;&lt;span id="xdx_C02_gL3SOSRIBSTB-SOTSPE_zDbTRzZbkZrd"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;div id="xdx_C01_gL3SOSRIBSTB-SOTSPE_zns8vSluQmLb"&gt;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 20pt"&gt;&lt;span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0" summary="xdx: Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details)"&gt;&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif; width: 0"/&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; width: 13.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F00_zjfqCl1itOR3"&gt;(4)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F1E_zcD3nCtfAx46" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
                                            following table reflects revenue based on customer location:&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;

&lt;/div&gt;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span id="xdx_C0C_gL3SOSRIBSTB-SOTSPE_zkay3tdzY55a"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;&#160;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_890_eus-gaap--RevenueFromExternalCustomersByGeographicAreasTableTextBlock_zsRn3husty05" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&#160;&lt;span id="xdx_8B7_z21RDHkmmhy7" style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;SCHEDULE
OF REVENUE BASED ON CUSTOMER LOCATION&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_49A_20210101__20211231_z90rTw9Imm5g" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_493_20200101__20201231_zbd0Ws92EXs9" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_408_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hsrt--StatementGeographicalAxis__country--US_zwN7e1w46Yy2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;United States&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;62,257&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;99,790&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hsrt--StatementGeographicalAxis__country--CA_zCOahG1gYpl9" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Canada&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;9,277&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;5,550&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hsrt--StatementGeographicalAxis__country--DE_z62lxPmy6Wk2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Germany&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;567&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right"&gt;&lt;p style="font: 8.5pt/107% Times New Roman, Times, Serif; margin: 0"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl2516"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b/&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hsrt--StatementGeographicalAxis__country--GB_zEV3uKlZmZBh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;United Kingdom&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;90&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;86&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_406_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_zvFzAmSfKOwh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;72,191&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;105,426&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8A0_zhOWX75O1sbl" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 20pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;



&lt;div id="xdx_C08_gL3SOSRIBSTB-SOTSPE_zpqGEfXcpF3d"&gt;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -13.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;
&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0" summary="xdx: Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details)"&gt;&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td id="xdx_F03_zuXj8rW3CUNf" style="font: 10pt Times New Roman, Times, Serif; width: 13.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(5)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F15_z88JAqpNLMv3" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Amount
                                            includes assets from our discontinued operations of $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_902_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20211231_zzU11uniMzSa" title="Assets of disposal group including discontinued operation including not held for sale"&gt;96,000&lt;/span&gt; and $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90D_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20201231_zpH0szXn1AQ1" title="Assets of disposal group including discontinued operation including not held for sale"&gt;103,000&lt;/span&gt; at December 31,
                                            2021 and 2020, respectively.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td id="xdx_F0B_ztpUQuASXdCi" style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(6)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F13_zEL7gmEsW8Z" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Net
                                            of debt discount/debt issuance costs of ($&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20211231_zkI2uVvINRt1" title="Debt issuance costs"&gt;112,000&lt;/span&gt;) and ($&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_900_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20201231_zZO6vYnu6qL" title="Debt issuance costs"&gt;105,000&lt;/span&gt;) for 2021 and 2020, respectively
                                            (see &#x201c;Note 10 &#x2013; &#x201c;Long-Term Debt&#x201d; for additional information).&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F0B_zxnPwjRXbZv3"&gt;(7)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F19_zJcRQphzLHQ5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Net
                                            of financed amount of $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20210101__20211231_zi546SNfv35f" title="Financed portion amount in the purchase of capital expenditure"&gt;585,000&lt;/span&gt; and $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90D_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20200101__20201231_zySP0RoIexle" title="Financed portion amount in the purchase of capital expenditure"&gt;883,000&lt;/span&gt; for the year ended December 31, 2021 and 2020,
                                            respectively.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F09_zRzGTDPb8v32"&gt;(8)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F14_zOMo9Gway4ad" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Includes
                                            long-lived asset (net) for our PF Canada, Inc. subsidiary of $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_905_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20211231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_zuqCgkg8Kmi4" title="Long-lived asset (net)"&gt;25,000&lt;/span&gt; and $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_902_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20201231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_zHcOyT3a3QEc" title="Long-lived asset (net)"&gt;33,000&lt;/span&gt; for the
                                            year ended December 31, 2021 and 2020, respectively.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F0C_ze6jeaPeoMMd"&gt;(9)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F18_zbHrKAO2X7Rf" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Amount
                                            includes approximately $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90F_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pid_c20210101__20211231__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zNqcYUv829x1" title="Gain on extinguishment of debt"&gt;5,381,000&lt;/span&gt; of &#x201c;Gain on extinguishment of debt&#x201d; recorded
                                            in connection with the Company&#x2019;s PPP Loan which was forgiven by the SBA effective June
                                            15, 2021 (see &#x201c;Note 10 &#x2013; Long Term Debt &#x2013; PPP Loan&#x201d; for information
                                            of this loan forgiveness).&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td id="xdx_F0E_zKEmyRF337Ia" style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(10)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F10_zPDbPBhk2ESa" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Includes
                                            tax benefit recorded in amount of approximately $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_905_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_pid_c20210701__20210930_zrS5nbEUok0l" title="Income tax benefit valuation allowance"&gt;2,351,000&lt;/span&gt; resulting from release of valuation
                                            allowance on the Company&#x2019;s deferred tax assets (see &#x201c;Note 13 Income Taxes&#x201d;
                                            for a discussion of this tax benefit).&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td id="xdx_F0B_zKtOMKshQXpj" style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(11)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F19_zaxOHAfBP0bc" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Includes
                                            elimination of gain/loss of $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--DebtInstrumentDecreaseForgiveness_pid_c20210101__20211231_zPnmx8rtCul3" title="Debt instrument, decrease, forgivenes"&gt;2,537,000&lt;/span&gt; in debt forgiveness between PFM Poland and the Company
                                            (see &#x201c;Note 14 &#x2013; PF Medical for a discussion of this debt forgiveness.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td id="xdx_F0D_zxE5AjHcDrh5" style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(12)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F11_zE6DVPjUS3za" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Amount
                                            includes a &#x201c;Loss on deconsolidation of subsidiary&#x201d; recorded in the amount of
                                            approximately $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_900_eus-gaap--DeconsolidationGainOrLossAmount_iN_pip0_di_c20210101__20211231_zjsXwuxTeaZa" title="Deconsolidation, gain  (Loss),  amount"&gt;1,062,000&lt;/span&gt; resulting from the sale of PFM Poland (see &#x201c;Note 14 &#x2013;
                                            PF Medical for a discussion of this loss).&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;

&lt;/div&gt;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: 20pt"&gt;&lt;span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span id="xdx_C0F_gL3SOSRIBSTB-SOTSPE_zzqMhuDSBvB6"&gt;&#160;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&#160;&lt;/p&gt;

</us-gaap:SegmentReportingDisclosureTextBlock>
    <us-gaap:NumberOfReportableSegments
      contextRef="From2021-01-01to2021-12-31"
      decimals="INF"
      unitRef="Integer">3</us-gaap:NumberOfReportableSegments>
    <PESI:SalePercentage
      contextRef="From2021-01-01to2021-12-31"
      decimals="INF"
      unitRef="Pure">1</PESI:SalePercentage>
    <us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_89D_eus-gaap--ScheduleOfSegmentReportingInformationBySegmentTextBlock_gL3SOSRIBSTB-SOTSPE_z62Y5KkK9ZKi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
table below shows certain financial information of our reporting segments as of and for the years ended December 31, 2021 and 2020 (in
thousands).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span id="xdx_8B9_zQPhFvtIFFjl" style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;SCHEDULE OF SEGMENT REPORTING INFORMATION&lt;/span&gt;&lt;/p&gt;

&lt;p style="margin: 0; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Segment Reporting as of and for the
year ended December 31, 2021&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;



&lt;p style="margin: 0; font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/p&gt;&lt;table cellpadding="0" cellspacing="0" style="font: 8.5pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
&lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Treatment&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Services&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Medical&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Segments
    Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"&gt;&lt;span id="xdx_F5B_zWaLkXorX2la" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Corporate
    &lt;sup&gt;(2)&lt;/sup&gt; &lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup/&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Consolidated
    Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 36%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Revenue
    from external customers&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z9uzBFMOsGpg" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;32,992&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z1ileXoUqttj" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;39,199&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zwrzRJjy7ura" style="width: 6%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2092"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 4%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; width: 1%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_fKDMpKDQp_z3Q1MAbmLp23" style="font: 10pt Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;72,191&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; width: 4%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F25_z3hnexLNo2jh"&gt;(3)(4)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zBeoBMKDfptg" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl2096"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 4%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20211231_zbxk7k8FtcEk" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;72,191&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Intercompany
    revenues&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_ecustom--IntercompanyRevenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z9Zsh2pP34L4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,265&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_ecustom--IntercompanyRevenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_ztba8RXrzQX7" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;47&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_ecustom--IntercompanyRevenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zHouQ3SJNGuj" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2104"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_ecustom--IntercompanyRevenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zB503YezoqAd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,312&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_ecustom--IntercompanyRevenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z6WgwPUUEgT4" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl2108"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: right"&gt;&lt;p id="xdx_981_ecustom--IntercompanyRevenues_pn3n3_c20210101__20211231_zG6LHh0JW3wl" style="font: 8.5pt/107% Times New Roman, Times, Serif; margin: 0" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl2110"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Gross
    profit &lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--GrossProfit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zSTnAFZRufp3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;6,718&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--GrossProfit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zVsriOsvmEQ7" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;106&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--GrossProfit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zO84PacoKfuf" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2116"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--GrossProfit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zoBRUkHbg1Xj" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;6,824&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right"&gt;&lt;p id="xdx_98E_eus-gaap--GrossProfit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z944djxs6eWh" style="font: 8.5pt/107% Times New Roman, Times, Serif; margin: 0" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl2120"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"/&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--GrossProfit_pn3n3_c20210101__20211231_zYGSru94Mj5l" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;6,824&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Research
    and development&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z1gNvSmCtIN7" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;221&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z1CF5Szs0vy3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;71&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zu7Yk4OmNEL8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;414&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zvc1z0a0NaM5" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;706&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zUp8MMvetW0e" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;40&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20210101__20211231_zRapfUQyaNla" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;746&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Interest
    income&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--InterestIncomeOther_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zSceVNH7FTqa" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--InterestIncomeOther_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z1LUasixjfsh" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2138"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right"&gt;&lt;p id="xdx_989_eus-gaap--InterestIncomeOther_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zqtL8vEQM5Cf" style="font: 8.5pt/107% Times New Roman, Times, Serif; margin: 0" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl2140"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"/&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--InterestIncomeOther_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zaGXVOyzcjKf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--InterestIncomeOther_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zBFGc8LBIL0e" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;25&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--InterestIncomeOther_pn3n3_c20210101__20211231_zXdulaC9ytL8" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;26&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Interest
    expense&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--InterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zKmGBWnKaCNf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(100&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--InterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zgBe0gQgPJz" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(10&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--InterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zsN69I9wVWcd" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2152"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--InterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zDb5tjHzdwh" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(110&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--InterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zm1LjiLhXzf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(137&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--InterestExpense_iN_pn3n3_di_c20210101__20211231_zYECmv90UgU4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(247&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Interest
    expense-financing fees&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zOLZ5JSvdua8" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2160"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zDOBRG9bf6sa" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(1&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right"&gt;&lt;p id="xdx_98E_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zoU8es6SBhn5" style="font: 8.5pt/107% Times New Roman, Times, Serif; margin: 0" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl2164"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"/&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zYfmX8p1SbJi" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(1)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"/&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zbXCGr7ZTMKg" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(40&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20210101__20211231_zNFbbXrN9dUe" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(41&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Depreciation
    and amortization&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z4SNEd8LRXJ1" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,306&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z8wbQqYQdWLd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;353&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_z40WesDIu377" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2176"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_znQ5MXthktpe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,659&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z7BjHc3K5hmi" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;28&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20211231_zG0vuCxAXz89" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,687&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Segment
    income (loss) before income taxes&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zAanfWT2KJ95" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;2,283&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zEBZfDvq3bKg" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(3,044&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_fKDExKSgxMik___ze80njzjJ2Bk" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(1,476)
                                            &lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F21_zV5FRhXwCFvg"&gt;(11)(12)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zgPGP0S9fMeg" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(2,237&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIpKDkpKDExKQ_____zmQtDa8sUSld" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(561)&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F2E_zkeltADeZvs1"&gt;(9)(11)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20210101__20211231_zpPfcNZP7rU1" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(2,798&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Income
    tax (benefit) expense&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zoZaghFBKxci" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(150&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z87Wmvtsjdi5" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(962&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zQRHylAhuBB2" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;26&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zqiLTCB2wP9g" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(1,086&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zRXGQgEry5Kf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(2,804&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20210101__20211231_fKDEwKQ_____zkivQ9iU9rBh" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(3,890)&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span id="xdx_F28_z07e1SWJBDtf" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(10)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Segment
    income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z2z8uzRz5Kg6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;2,433&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zzVdO3vuCEpg" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(2,082&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zgvIJ9osPB7d" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(1,502&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zgLRGVxAhZpc" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(1,151&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zq1NDIIHh2ke" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;2,243&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20210101__20211231_zBwFQsFNluNf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,092&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Segment
    assets&lt;sup id="xdx_F23_zDFQgcze3Z52"&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--Assets_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_fKDEp_zkNjHtb3TDYa" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;37,050&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--Assets_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_fKDEpKDgp_zrWuZIRISSoi" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;15,244&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F2B_z0n040FMzP36"&gt;(8)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--Assets_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_fKDEp_z5fpnXlVW0c9" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;48&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--Assets_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_fKDEp_zigSwwmpyzL2" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;52,342&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--Assets_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDEpKDIpKDUp_z8ViUXEVef34" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;24,959&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F2B_zqPKNNmm6zek"&gt;(5)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--Assets_iI_pn3n3_c20211231_fKDEp_zY95y5iCmXLe" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;77,301&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup/&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Expenditures
    for segment assets (net)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zCnAqD26gEm3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,363&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_znyeYgF3ITnc" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;205&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zSzcwgKgi8Bk" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2236"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zIZpOb36v1yc" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,568&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zSiuZLFccFbe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;9&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20210101__20211231_fKDcp_z0irfybaEPQf" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,577&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F23_zsSsAuz9Yqz5"&gt;(7)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Total
    debt&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z5Ka5GMKQU07" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;25&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zdt82idfRTu4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;14&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zAcpX7r83yZb" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2248"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zsm9HZUgnlS9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;39&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z8xV15mXUBhf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;954&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20211231_fKDYp_zCrgdKoPcSxl" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;993&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F28_zEURqZ6fcbB3"&gt;(6)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p style="margin: 0; font-family: Times New Roman, Times, Serif"/&gt;&lt;p style="margin: 0; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="margin: 0; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;Segment Reporting as of and for the
year ended December 31, 2020&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;



&lt;p style="margin: 0; font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;
&lt;table cellpadding="0" cellspacing="0" style="font: 8.5pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Treatment&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Services&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Medical&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Segments
    Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"&gt;&lt;span id="xdx_F56_zSGkSuG4PBJg" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Corporate
    &lt;sup&gt;(2)&lt;/sup&gt; &lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup/&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Consolidated
    Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 36%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Revenue
    from external customers&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_z4YfMtdPm659" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;30,143&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zfOcqrKRscIl" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;75,283&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zXLkRtiPogEg" style="width: 6%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2260"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 4%; font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; width: 1%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_fKDMpKDQp_zeWBLF4U7fl9" style="font: 10pt Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;105,426
                                            &lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; width: 4%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F2D_zerWrp5lJPa1"&gt;(3)(4)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z79iAGS1RsW5" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl2264"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 4%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20201231_zSc7bNSpA6Od" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Revenue from external customers"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;105,426&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Intercompany
    revenues&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zhswloUZWBNd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,493&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zvGOx0YSEARe" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;25&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zYhnVV0rQiGe" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2272"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zi43jqKoOsD3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,518&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zzE4tqruZjD7" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl2276"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_ecustom--IntercompanyRevenues_pn3n3_c20200101__20201231_ztBJ1Z5DnhWh" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Intercompany revenues"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2278"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Gross
    profit&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--GrossProfit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zsURkHBdV9Bk" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;5,491&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--GrossProfit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zitlm7BkT76a" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;10,402&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--GrossProfit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zEZhYuPb6i83" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2284"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--GrossProfit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zrCD821Vnxyi" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;15,893&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--GrossProfit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zDwZUqSD7Cal" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2288"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--GrossProfit_pn3n3_c20200101__20201231_zPyIddH0cp4f" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Gross profit"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;15,893&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Research
    and development&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zrkOn9BMwDci" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;243&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zYGc43KQdc9k" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;132&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zk3VC30Lf4G1" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;311&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zWciVPL1h86e" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;686&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_z5NaR5Yq3UP4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;76&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--ResearchAndDevelopmentExpense_pn3n3_c20200101__20201231_zuv6421VPrI3" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Research and development"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;762&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Interest
    income&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--InterestIncomeOther_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zXZQfuxRrqw6" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--InterestIncomeOther_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zGU8V3YE89si" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2306"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--InterestIncomeOther_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zq4apid6EY4k" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2308"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--InterestIncomeOther_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zaddKMJHnS5l" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--InterestIncomeOther_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zqSSgtxHLrNg" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;139&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--InterestIncomeOther_pn3n3_c20200101__20201231_z8VXk8CZWzT9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest income"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;140&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Interest
    expense&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--InterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zNYTrMO1yB3l" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(115&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--InterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zUhzQsCMPet4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(27&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--InterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zvXFrPh8WrRg" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2320"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--InterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zrKIJjUaR448" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(142&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--InterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zPrMmULVghue" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(256&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--InterestExpense_iN_pn3n3_di_c20200101__20201231_zYkyHk8NWE98" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Interest expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(398&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Interest
    expense-financing fees&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zDWqXWKNpII5" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2328"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zWAZAPPLuSH5" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2330"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zNu0LVpu3f24" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2332"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;p id="xdx_987_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_z8cjoDKA1W5i" style="font: 8.5pt/107% Times New Roman, Times, Serif; margin: 0" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl2334"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"/&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zXZJ8Ey0SaH4" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Interest expense-financing fees"&gt;&lt;span style="font: normal 10pt Times New Roman, Times, Serif"&gt;(294&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"/&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--FinancingInterestExpense_iN_pn3n3_di_c20200101__20201231_z7MEoa4ZaLqa" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Interest expense-financing fees"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(294&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Depreciation
    and amortization&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zkRIkHnKBYca" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,204&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zi10KHdc9qXd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;354&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_znNmHtTUBnu3" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2344"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zTMyt21UY4A" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,558&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zGMakBw32gy8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;38&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20201231_ztyRg7pWeh7b" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,596&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Segment
    income (loss) before income taxes&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zbMGcVm1Xfc4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,494&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zwJODxFUiqac" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;7,826&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_z0S3DN7yVBFk" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(311&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zGZU4V7sKxN4" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;9,009&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zTC4k65BVV33" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(6,049&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_pn3n3_c20200101__20201231_zcO7nPqMab6l" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss) before income taxes"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;2,960&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Income
    tax (benefit) expense&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zpZiaNYW1Yu9" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(264&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zFBgJeHarWy7" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;6&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zwx1kosd5rc6" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2368"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zGWmhQy92urj" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(258&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zibfFfTiv0T8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;69&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--IncomeTaxExpenseBenefit_pn3n3_c20200101__20201231_zRQf7DeI4ful" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Income tax (benefit) expense"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(189&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Segment
    income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zSQTPrJqwE9h" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,758&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z24TAZJryqSl" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;7,820&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zmyZDJ8pEZ1c" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(311&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zi7Vc87AOGuf" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;9,267&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zVo3eGzhIzR" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;(6,118&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_pn3n3_c20200101__20201231_zEp5VpT5RELg" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment income (loss)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;3,149&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span id="xdx_F4F_zaw25Qa5dBO5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Segment
    assets&lt;sup id="xdx_F25_z3hgv8Rdggrb"&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--Assets_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_fKDEp_zyem7zbalnTa" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;32,324&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--Assets_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_fKDEpKDgp_zXPN8ZvB5Phc" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;22,368&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F2E_zqoRAnyceaF3"&gt;(8)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--Assets_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_fKDEp_zxcpProc7kO8" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;17&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--Assets_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_fKDEp_zqqAO1vZXjWd" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;54,709&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--Assets_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDEpKDIpKDUp_z2gP20mzfH98" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;24,210
                                            &lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F2F_zy9vGhDh0ejj"&gt;(5)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--Assets_iI_pn3n3_c20201231_fKDEp_zWu0W7wFjR6a" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Segment assets"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;78,919&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Expenditures
    for segment assets (net)&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zhpHHa79zGu5" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,264&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zDZGbYeb7Qw1" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;451&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zIKQaKattGFb" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2404"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_ztjmTcrGECNk" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,715&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zEJXPk8ZilXl" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2408"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_pn3n3_c20200101__20201231_fKDcp_zvP711BaoZEk" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Expenditures for segment assets (net)"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;1,715&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F29_z7RrU7ztbGk2"&gt;(7)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Total
    debt&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zZ3837AWyvgk" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2412"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_z1hp8CrOXjyj" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;23&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--MedicalMember_zmahB1OlTyQa" style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;span style="-sec-ix-hidden: xdx2ixbrl2416"&gt;&#x2014;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__custom--SegmentsTotalMember_zUrnT4WbPuif" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;23&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231__us-gaap--StatementBusinessSegmentsAxis__us-gaap--CorporateAndOtherMember_fKDIp_zmry6TvaU6Ia" style="font-family: Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;6,706&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--DebtAndCapitalLeaseObligations_iI_pn3n3_c20201231_fKDYp_zeSyXX6VCfka" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Total debt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;6,729&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F27_zcdquH0N1OLa"&gt;(6)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -0.5in"/&gt;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -0.5in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -9pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"&gt;
&lt;tr style="vertical-align: top"&gt;
  &lt;td style="text-align: left; padding-left: 0pt; text-indent: 0pt; width: 13.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F0A_zqle1JRt7FU8"&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
  &lt;td style="text-align: left; padding-left: 0pt; text-indent: 0pt"&gt;&lt;span id="xdx_F1F_zpElVBqgz833" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Segment assets have been adjusted for intercompany accounts
to reflect actual assets for each segment.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;


&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"&gt;
&lt;tr style="vertical-align: top"&gt;
  &lt;td style="text-align: left; padding-left: 0pt; text-indent: 0pt; width: 13.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F01_zuaqdJ5qMs5a"&gt;(2)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
  &lt;td style="text-align: left; padding-left: 0pt; text-indent: 0pt"&gt;&lt;span id="xdx_F1B_ziHDQavTfXef" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Amounts reflect the activity for corporate headquarters not
included in the segment information.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;


&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="width: 100%"&gt;
  &lt;tr style="vertical-align: top"&gt;
    &lt;td style="font: 11pt Calibri, Helvetica, Sans-Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sub id="xdx_F04_z9xl3ckMm6N6"&gt;(3)&lt;/sub&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 11pt Calibri, Helvetica, Sans-Serif; text-align: justify"&gt;&lt;span id="xdx_F1B_zw55YsKOxuej" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
    Company performed services relating to waste generated by government clients (domestic and foreign (primarily Canadian)), either
    directly as a prime contractor or indirectly for others as a subcontractor to government entities, representing approximately &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_908_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pid_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember_zrNlgpKXyT8g" title="Net revenues"&gt;60,812,000&lt;/span&gt;
    or &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_908_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember_z3BoNprriHDa" title="Concentration risk, percentage"&gt;84.2%&lt;/span&gt;
    of total revenue for 2021 and &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pid_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember_z6dAUDyJrxd2" title="Net revenues"&gt;96,582,000&lt;/span&gt;
    or &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember_zGAoZGR5xSP4" title="Concentration risk, percentage"&gt;91.6%&lt;/span&gt;
    of total revenue for 2020. The following reflects such revenue generated by our two segments:&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0" summary="xdx: Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details)"&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif; width: 0"/&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; width: 13.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F06_zvBpbpyXNhC2"&gt;(4)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F1B_zGIWMSE4spU9" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
                                            following table reflects revenue based on customer location:&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0" summary="xdx: Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details)"&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td id="xdx_F07_zdt0MJua4YI3" style="font: 10pt Times New Roman, Times, Serif; width: 13.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(5)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F12_zXnNmdiCSQtc" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Amount
                                            includes assets from our discontinued operations of $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90C_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20211231_zMxArjQKn737" title="Assets of disposal group including discontinued operation including not held for sale"&gt;96,000&lt;/span&gt; and $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_900_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20201231_zyIYQYgdGwXd" title="Assets of disposal group including discontinued operation including not held for sale"&gt;103,000&lt;/span&gt; at December 31,
                                            2021 and 2020, respectively.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td id="xdx_F04_zdl3HpsCC2Eg" style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(6)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F1D_zWmISz6qCRfb" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Net
                                            of debt discount/debt issuance costs of ($&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_906_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20211231_zOUUwwU4N4La" title="Debt issuance costs"&gt;112,000&lt;/span&gt;) and ($&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90F_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20201231_zqflA2cGoJya" title="Debt issuance costs"&gt;105,000&lt;/span&gt;) for 2021 and 2020, respectively
                                            (see &#x201c;Note 10 &#x2013; &#x201c;Long-Term Debt&#x201d; for additional information).&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F0A_zk5PVX0lT6z5"&gt;(7)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F1F_zrBcgh7PDF6k" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Net
                                            of financed amount of $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20210101__20211231_z27nqqcMuVg1" title="Financed portion amount in the purchase of capital expenditure"&gt;585,000&lt;/span&gt; and $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90C_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20200101__20201231_zeM5sHuj1x03" title="Financed portion amount in the purchase of capital expenditure"&gt;883,000&lt;/span&gt; for the year ended December 31, 2021 and 2020,
                                            respectively.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F0F_zEz4vAZyE3Ta"&gt;(8)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F1A_zBd2LGA38Jvh" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Includes
                                            long-lived asset (net) for our PF Canada, Inc. subsidiary of $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90D_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20211231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_zbjdNmwS4S87" title="Long-lived asset (net)"&gt;25,000&lt;/span&gt; and $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_906_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20201231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_z668KDn1vrw8" title="Long-lived asset (net)"&gt;33,000&lt;/span&gt; for the
                                            year ended December 31, 2021 and 2020, respectively.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F05_zXISe2xh6Ee7"&gt;(9)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F15_zY94RjQGVGbh" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Amount
                                            includes approximately $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pid_c20210101__20211231__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zBqzi4Gl24wf" title="Gain on extinguishment of debt"&gt;5,381,000&lt;/span&gt; of &#x201c;Gain on extinguishment of debt&#x201d; recorded
                                            in connection with the Company&#x2019;s PPP Loan which was forgiven by the SBA effective June
                                            15, 2021 (see &#x201c;Note 10 &#x2013; Long Term Debt &#x2013; PPP Loan&#x201d; for information
                                            of this loan forgiveness).&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td id="xdx_F0E_zUhiJfT0sTu7" style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(10)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F10_zdLhZr9HSYGj" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Includes
                                            tax benefit recorded in amount of approximately $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_pid_c20210701__20210930_zPuvB5nPxMnc" title="Income tax benefit valuation allowance"&gt;2,351,000&lt;/span&gt; resulting from release of valuation
                                            allowance on the Company&#x2019;s deferred tax assets (see &#x201c;Note 13 Income Taxes&#x201d;
                                            for a discussion of this tax benefit).&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td id="xdx_F00_zlVrHas1itVj" style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(11)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F1A_zEPzJQA1k2u3" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Includes
                                            elimination of gain/loss of $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_907_eus-gaap--DebtInstrumentDecreaseForgiveness_pid_c20210101__20211231_z5joKvpaezbj" title="Debt instrument, decrease, forgivenes"&gt;2,537,000&lt;/span&gt; in debt forgiveness between PFM Poland and the Company
                                            (see &#x201c;Note 14 &#x2013; PF Medical for a discussion of this debt forgiveness.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: top"&gt;
&lt;td id="xdx_F02_zuh36uNPNNO7" style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(12)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F16_z9gBfUuKR9c5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Amount
                                            includes a &#x201c;Loss on deconsolidation of subsidiary&#x201d; recorded in the amount of
                                            approximately $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--DeconsolidationGainOrLossAmount_iN_pip0_di_c20210101__20211231_zi540Q0xidPi" title="Deconsolidation, gain  (Loss),  amount"&gt;1,062,000&lt;/span&gt; resulting from the sale of PFM Poland (see &#x201c;Note 14 &#x2013;
                                            PF Medical for a discussion of this loss).&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;

&lt;p style="margin-top: 0; margin-bottom: 0"/&gt;
&#160;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 20pt"&gt;&lt;span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0" summary="xdx: Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details)"&gt;&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif; width: 0"/&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; width: 13.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F00_zjfqCl1itOR3"&gt;(4)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F1E_zcD3nCtfAx46" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
                                            following table reflects revenue based on customer location:&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;

&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;&#160;&lt;/span&gt;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: -13.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;
&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0" summary="xdx: Disclosure - SCHEDULE OF SEGMENT REPORTING INFORMATION (Details)"&gt;&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td id="xdx_F03_zuXj8rW3CUNf" style="font: 10pt Times New Roman, Times, Serif; width: 13.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(5)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F15_z88JAqpNLMv3" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Amount
                                            includes assets from our discontinued operations of $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_902_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20211231_zzU11uniMzSa" title="Assets of disposal group including discontinued operation including not held for sale"&gt;96,000&lt;/span&gt; and $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90D_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20201231_zpH0szXn1AQ1" title="Assets of disposal group including discontinued operation including not held for sale"&gt;103,000&lt;/span&gt; at December 31,
                                            2021 and 2020, respectively.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td id="xdx_F0B_ztpUQuASXdCi" style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(6)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F13_zEL7gmEsW8Z" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Net
                                            of debt discount/debt issuance costs of ($&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20211231_zkI2uVvINRt1" title="Debt issuance costs"&gt;112,000&lt;/span&gt;) and ($&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_900_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20201231_zZO6vYnu6qL" title="Debt issuance costs"&gt;105,000&lt;/span&gt;) for 2021 and 2020, respectively
                                            (see &#x201c;Note 10 &#x2013; &#x201c;Long-Term Debt&#x201d; for additional information).&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F0B_zxnPwjRXbZv3"&gt;(7)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F19_zJcRQphzLHQ5" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Net
                                            of financed amount of $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20210101__20211231_zi546SNfv35f" title="Financed portion amount in the purchase of capital expenditure"&gt;585,000&lt;/span&gt; and $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90D_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20200101__20201231_zySP0RoIexle" title="Financed portion amount in the purchase of capital expenditure"&gt;883,000&lt;/span&gt; for the year ended December 31, 2021 and 2020,
                                            respectively.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F09_zRzGTDPb8v32"&gt;(8)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F14_zOMo9Gway4ad" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Includes
                                            long-lived asset (net) for our PF Canada, Inc. subsidiary of $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_905_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20211231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_zuqCgkg8Kmi4" title="Long-lived asset (net)"&gt;25,000&lt;/span&gt; and $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_902_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20201231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_zHcOyT3a3QEc" title="Long-lived asset (net)"&gt;33,000&lt;/span&gt; for the
                                            year ended December 31, 2021 and 2020, respectively.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup id="xdx_F0C_ze6jeaPeoMMd"&gt;(9)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F18_zbHrKAO2X7Rf" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Amount
                                            includes approximately $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90F_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pid_c20210101__20211231__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zNqcYUv829x1" title="Gain on extinguishment of debt"&gt;5,381,000&lt;/span&gt; of &#x201c;Gain on extinguishment of debt&#x201d; recorded
                                            in connection with the Company&#x2019;s PPP Loan which was forgiven by the SBA effective June
                                            15, 2021 (see &#x201c;Note 10 &#x2013; Long Term Debt &#x2013; PPP Loan&#x201d; for information
                                            of this loan forgiveness).&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td id="xdx_F0E_zKEmyRF337Ia" style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(10)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F10_zPDbPBhk2ESa" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Includes
                                            tax benefit recorded in amount of approximately $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_905_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_pid_c20210701__20210930_zrS5nbEUok0l" title="Income tax benefit valuation allowance"&gt;2,351,000&lt;/span&gt; resulting from release of valuation
                                            allowance on the Company&#x2019;s deferred tax assets (see &#x201c;Note 13 Income Taxes&#x201d;
                                            for a discussion of this tax benefit).&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td id="xdx_F0B_zKtOMKshQXpj" style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(11)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F19_zaxOHAfBP0bc" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Includes
                                            elimination of gain/loss of $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--DebtInstrumentDecreaseForgiveness_pid_c20210101__20211231_zPnmx8rtCul3" title="Debt instrument, decrease, forgivenes"&gt;2,537,000&lt;/span&gt; in debt forgiveness between PFM Poland and the Company
                                            (see &#x201c;Note 14 &#x2013; PF Medical for a discussion of this debt forgiveness.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
&lt;td id="xdx_F0D_zxE5AjHcDrh5" style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;sup&gt;(12)&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span id="xdx_F11_zE6DVPjUS3za" style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Amount
                                            includes a &#x201c;Loss on deconsolidation of subsidiary&#x201d; recorded in the amount of
                                            approximately $&lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_900_eus-gaap--DeconsolidationGainOrLossAmount_iN_pip0_di_c20210101__20211231_zjsXwuxTeaZa" title="Deconsolidation, gain  (Loss),  amount"&gt;1,062,000&lt;/span&gt; resulting from the sale of PFM Poland (see &#x201c;Note 14 &#x2013;
                                            PF Medical for a discussion of this loss).&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;

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      unitRef="USD">33000</us-gaap:PropertyPlantAndEquipmentNet>
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    <us-gaap:ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_89E_eus-gaap--ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock_zVFmL4nDcv0i" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 20pt"&gt;&lt;span id="xdx_8B2_zrwosZVVLwZ" style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;SCHEDULE OF REVENUE BY MAJOR CUSTOMERS BY REPORTING SEGMENTS&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="10" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Treatment&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Services&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Treatment&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Services&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 40%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Domestic government&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zAdtV655HdDj" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;22,538&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zwBdF3RIK2n5" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;29,013&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--Revenues_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zUWpUxwVZja6" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;51,551&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zdoWe0KUBgsa" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;22,795&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zernlPOLD4Yg" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;68,237&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticGovernmentMember_zwygVhflueqf" style="font-family: Times New Roman, Times, Serif; width: 6%; text-align: right" title="Domestic government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;91,032&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Foreign government&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_z9RN8fejMmfh" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;577&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zF6zZvlhrSai" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;8,684&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--Revenues_pn3n3_c20210101__20211231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zMjHrK0uw0mh" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;9,261&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zbXLk9Vp2cXe" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;415&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zQG4pkPcERY9" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;5,135&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--Revenues_pn3n3_c20200101__20201231__srt--MajorCustomersAxis__custom--ForeignGovernmentMember_zWTi3vpMjjo5" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right" title="Foreign government"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;5,550&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zaajcg2u0Pve" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;23,115&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20210101__20211231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zbMaOtsTBT78" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;37,697&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20210101__20211231_zUjbUqLHHpzj" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;60,812&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--TreatmentMember_zycim0QbSnM5" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;23,210&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20200101__20201231__us-gaap--StatementBusinessSegmentsAxis__custom--ServicesMember_zgxaJ87K3n8d" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;73,372&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--Revenues_pn3n3_c20200101__20201231_zhtEi6cdf5y4" style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right" title="Total"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;96,582&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

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      contextRef="From2021-01-012021-12-31_custom_ForeignGovernmentMember"
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OF REVENUE BASED ON CUSTOMER LOCATION&lt;/span&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 70%"&gt;
  &lt;tr style="font-family: Times New Roman, Times, Serif; vertical-align: bottom"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_49A_20210101__20211231_z90rTw9Imm5g" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_493_20200101__20201231_zbd0Ws92EXs9" style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: center"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_408_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hsrt--StatementGeographicalAxis__country--US_zwN7e1w46Yy2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 60%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;United States&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;62,257&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 2%"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 16%; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;99,790&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hsrt--StatementGeographicalAxis__country--CA_zCOahG1gYpl9" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Canada&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;9,277&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;5,550&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hsrt--StatementGeographicalAxis__country--DE_z62lxPmy6Wk2" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;p style="font-family: Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Germany&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;567&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: right"&gt;&lt;p style="font: 8.5pt/107% Times New Roman, Times, Serif; margin: 0"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl2516"&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b/&gt;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; font-weight: bold; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hsrt--StatementGeographicalAxis__country--GB_zEV3uKlZmZBh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;United Kingdom&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;90&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;86&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_406_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_zvFzAmSfKOwh" style="font-family: Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;72,191&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font-family: Times New Roman, Times, Serif; text-align: right"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;105,426&lt;/span&gt;&lt;/td&gt;&lt;td style="font-family: Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</us-gaap:RevenueFromExternalCustomersByGeographicAreasTableTextBlock>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-012021-12-31_country_US"
      decimals="-3"
      unitRef="USD">62257000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31_country_US"
      decimals="-3"
      unitRef="USD">99790000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-012021-12-31_country_CA"
      decimals="-3"
      unitRef="USD">9277000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31_country_CA"
      decimals="-3"
      unitRef="USD">5550000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-012021-12-31_country_DE"
      decimals="-3"
      unitRef="USD">567000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-012021-12-31_country_GB"
      decimals="-3"
      unitRef="USD">90000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31_country_GB"
      decimals="-3"
      unitRef="USD">86000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-01to2021-12-31"
      decimals="-3"
      unitRef="USD">72191000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-12-31"
      decimals="-3"
      unitRef="USD">105426000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <PESI:AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale contextRef="AsOf2021-12-31" decimals="0" unitRef="USD">96000</PESI:AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale>
    <PESI:AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale contextRef="AsOf2020-12-31" decimals="0" unitRef="USD">103000</PESI:AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale>
    <us-gaap:DeferredFinanceCostsNet contextRef="AsOf2021-12-31" decimals="0" unitRef="USD">112000</us-gaap:DeferredFinanceCostsNet>
    <us-gaap:DeferredFinanceCostsNet contextRef="AsOf2020-12-31" decimals="0" unitRef="USD">105000</us-gaap:DeferredFinanceCostsNet>
    <PESI:FinancedPortionAmountInPurchaseOfCapitalExpenditure
      contextRef="From2021-01-01to2021-12-31"
      decimals="0"
      unitRef="USD">585000</PESI:FinancedPortionAmountInPurchaseOfCapitalExpenditure>
    <PESI:FinancedPortionAmountInPurchaseOfCapitalExpenditure
      contextRef="From2020-01-012020-12-31"
      decimals="0"
      unitRef="USD">883000</PESI:FinancedPortionAmountInPurchaseOfCapitalExpenditure>
    <us-gaap:PropertyPlantAndEquipmentNet
      contextRef="AsOf2021-12-31_srt_ParentCompanyMember"
      decimals="0"
      unitRef="USD">25000</us-gaap:PropertyPlantAndEquipmentNet>
    <us-gaap:PropertyPlantAndEquipmentNet
      contextRef="AsOf2020-12-31_srt_ParentCompanyMember"
      decimals="0"
      unitRef="USD">33000</us-gaap:PropertyPlantAndEquipmentNet>
    <us-gaap:GainsLossesOnExtinguishmentOfDebt
      contextRef="From2021-01-012021-12-31_custom_PaycheckProtectionProgramLoanMember"
      decimals="0"
      unitRef="USD">5381000</us-gaap:GainsLossesOnExtinguishmentOfDebt>
    <us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
      contextRef="From2021-07-012021-09-30"
      decimals="0"
      unitRef="USD">2351000</us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance>
    <us-gaap:DebtInstrumentDecreaseForgiveness
      contextRef="From2021-01-01to2021-12-31"
      decimals="0"
      unitRef="USD">2537000</us-gaap:DebtInstrumentDecreaseForgiveness>
    <us-gaap:DeconsolidationGainOrLossAmount
      contextRef="From2021-01-01to2021-12-31"
      decimals="0"
      unitRef="USD">-1062000</us-gaap:DeconsolidationGainOrLossAmount>
    <PESI:DeferralOfEmploymentTaxDepositsTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_800_ecustom--DeferralOfEmploymentTaxDepositsTextBlock_zUzySeqaAzp8" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;NOTE
19&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_823_zksbO3oFuoAc"&gt;DEFERRAL
OF EMPLOYMENT TAX DEPOSITS&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
CARES Act, as amended by the Flexibility Act which was signed into law on June 5, 2020, provides employers the option to defer the payment
of an employer&#x2019;s share of social security taxes beginning on March 27, 2020 through December 31, 2020 with &lt;span id="xdx_904_ecustom--PercentageOfSocialSecurityTaxesDeferredPayable_pid_dp_c20210101__20211231__us-gaap--AwardDateAxis__custom--DecemberThirtyOneTwoThousandAndTwentyOneMember__us-gaap--TypeOfArrangementAxis__custom--DeferralofEmploymentTaxDepositsMember_zAn0FJ3KNmW5" title="Percentage of social security taxes deferred payable"&gt;50%&lt;/span&gt; of the amount of
social security taxes deferred to become due on December 31, 2021 with the remaining &lt;span id="xdx_902_ecustom--PercentageOfSocialSecurityTaxesDeferredPayable_pid_dp_c20210101__20211231__us-gaap--AwardDateAxis__custom--DecemberThirtyOneTwoThousandAndTwentyTwoMember__us-gaap--TypeOfArrangementAxis__custom--DeferralofEmploymentTaxDepositsMember_zfJNwKSRL4wj" title="Percentage of social security taxes deferred payable"&gt;50%&lt;/span&gt; due on December 31, 2022. The Company&#x2019;s
deferment of such taxes totaled approximately $&lt;span id="xdx_909_ecustom--SocialSecurityTaxesAmountPayable_iI_pip0_c20211231__us-gaap--TypeOfArrangementAxis__custom--DeferralofEmploymentTaxDepositsMember_zfKappgF2PZ8" title="Social security taxes amount payable"&gt;1,252,000&lt;/span&gt; of which approximately $&lt;span id="xdx_90F_ecustom--PaymentOfSocialSecurityTaxesAmount_pid_c20211201__20211231_ziTPxeFTQM48" title="Payment of social security taxes amount"&gt;626,000&lt;/span&gt; was paid in December 2021. At December 31, 2021,
the remaining $&lt;span id="xdx_903_ecustom--RemainingPaymentOfSocialSecurityTaxesAmount_pip0_c20210101__20211231_zwv9Dgnu8Oni" title="Remaining payment of social security taxes amount"&gt;626,000&lt;/span&gt; in deferred social security taxes was included in &#x201c;Accrued expenses&#x201d; within current liabilities in
the Company&#x2019;s Consolidated Balance Sheets.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: -13.5pt"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</PESI:DeferralOfEmploymentTaxDepositsTextBlock>
    <PESI:PercentageOfSocialSecurityTaxesDeferredPayable
      contextRef="From2021-01-012021-12-31_custom_DecemberThirtyOneTwoThousandAndTwentyOneMember_custom_DeferralofEmploymentTaxDepositsMember"
      decimals="INF"
      unitRef="Pure">0.50</PESI:PercentageOfSocialSecurityTaxesDeferredPayable>
    <PESI:PercentageOfSocialSecurityTaxesDeferredPayable
      contextRef="From2021-01-012021-12-31_custom_DecemberThirtyOneTwoThousandAndTwentyTwoMember_custom_DeferralofEmploymentTaxDepositsMember"
      decimals="INF"
      unitRef="Pure">0.50</PESI:PercentageOfSocialSecurityTaxesDeferredPayable>
    <PESI:SocialSecurityTaxesAmountPayable
      contextRef="AsOf2021-12-31_custom_DeferralofEmploymentTaxDepositsMember"
      decimals="0"
      unitRef="USD">1252000</PESI:SocialSecurityTaxesAmountPayable>
    <PESI:PaymentOfSocialSecurityTaxesAmount
      contextRef="From2021-12-012021-12-31"
      decimals="0"
      unitRef="USD">626000</PESI:PaymentOfSocialSecurityTaxesAmount>
    <PESI:RemainingPaymentOfSocialSecurityTaxesAmount
      contextRef="From2021-01-01to2021-12-31"
      decimals="0"
      unitRef="USD">626000</PESI:RemainingPaymentOfSocialSecurityTaxesAmount>
    <us-gaap:VariableInterestEntityDisclosureTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_805_eus-gaap--VariableInterestEntityDisclosureTextBlock_z6r2oxFe4zla" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;NOTE
20&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span id="xdx_825_zPnEgAGOH9B1"&gt;VARIABLE
INTEREST ENTITIES (&#x201c;VIE&#x201d;)&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company and Engineering/Remediation Resources Group, Inc. (&#x201c;ERRG&#x201d;) previously entered into an unpopulated joint venture agreement
for project work bids within the Company&#x2019;s Services Segment with the joint venture doing business as Perma-Fix ERRG, a general
partnership. The Company has a &lt;span id="xdx_90B_eus-gaap--VariableInterestEntityOwnershipPercentage_pid_dp_c20210101__20211231_zoWvUIAOvakd" title="Partnership interest rate"&gt;51%&lt;/span&gt; partnership interest in the joint venture and ERRG has a &lt;span id="xdx_905_eus-gaap--VariableInterestEntityOwnershipPercentage_pid_dp_c20210101__20211231__dei--LegalEntityAxis__custom--EngineeringRemediationResourcesGroupIncMember_z97RovoFVNn7" title="Partnership interest rate"&gt;49%&lt;/span&gt; partnership interest in the joint venture.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company determines whether joint ventures in which it has invested meet the criteria of a VIE at the start of each new venture and when
a reconsideration event has occurred. A VIE is a legal entity that satisfies any of the following characteristics: (a) the legal entity
does not have sufficient equity investment at risk; (b) the equity investors at risk as a group, lack the characteristics of a controlling
financial interest; or (c) the legal entity is structured with disproportionate voting rights.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Company consolidates a VIE if it is determined to be the primary beneficiary of the VIE. The primary beneficiary has both the power to
direct the activities of the VIE that most significantly impact the entity&#x2019;s economic performance and the obligation to absorb
losses or the right to receive benefits from the VIE that could potentially be significant to the VIE.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Based
on the Company&#x2019;s evaluation of Perma-Fix ERRG and related agreements with Perma-Fix ERRG, the Company determined that Perma-Fix
ERRG continues to be a VIE in which the Company is the primary beneficiary. At December 31, 2021, Perma-Fix ERRG had total assets of
$&lt;span id="xdx_90C_eus-gaap--Assets_iI_pid_c20211231__dei--LegalEntityAxis__custom--PermaFixERRGMember_zRIZP2a7GKef" title="Total assets"&gt;1,423,000&lt;/span&gt; and total liabilities of $&lt;span id="xdx_907_eus-gaap--Liabilities_iI_pid_c20211231__dei--LegalEntityAxis__custom--PermaFixERRGMember_zNVnoV0sqlK4" title="Total liabilities"&gt;1,423,000&lt;/span&gt; which are all recorded as current. &lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;




&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:VariableInterestEntityDisclosureTextBlock>
    <us-gaap:VariableInterestEntityOwnershipPercentage
      contextRef="From2021-01-01to2021-12-31"
      decimals="INF"
      unitRef="Pure">0.51</us-gaap:VariableInterestEntityOwnershipPercentage>
    <us-gaap:VariableInterestEntityOwnershipPercentage
      contextRef="From2021-01-012021-12-31_custom_EngineeringRemediationResourcesGroupIncMember"
      decimals="INF"
      unitRef="Pure">0.49</us-gaap:VariableInterestEntityOwnershipPercentage>
    <us-gaap:Assets
      contextRef="AsOf2021-12-31_custom_PermaFixERRGMember"
      decimals="0"
      unitRef="USD">1423000</us-gaap:Assets>
    <us-gaap:Liabilities
      contextRef="AsOf2021-12-31_custom_PermaFixERRGMember"
      decimals="0"
      unitRef="USD">1423000</us-gaap:Liabilities>
    <us-gaap:SubsequentEventsTextBlock contextRef="From2021-01-01to2021-12-31">&lt;p id="xdx_80A_eus-gaap--SubsequentEventsTextBlock_z4IQrlZqP5mb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;NOTE
21&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;b&gt;&lt;span&gt;&lt;span id="xdx_829_z0PH6Lo4XUs3"&gt;SUBSEQUENT
EVENTS&lt;/span&gt;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;Management
evaluated events occurring subsequent to December 31, 2021 through April 6, 2022, the date these consolidated financial statements
were available for issuance, and other than as noted below determined that no material recognizable subsequent events occurred.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;Executive
Compensation&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;The
Compensation Committee and the Board determined that no performance payment would be made to each executive officer under his 2021 MIP.
In lieu of any performance payment to each executive officer under his 2021 MIP and in an attempt to retain the executive officer, on
January 20, 2022, the Compensation Committee and the Board determined that the base annual compensation for each executive officer for
2022 is increased by approximately &lt;span id="xdx_904_ecustom--PercentageIncreaseInAnnualCompensation_pid_dp_c20220101__20220102__srt--TitleOfIndividualAxis__srt--ExecutiveOfficerMember__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_zHR8JE6Pf2Qa" title="Increase in annual compensation"&gt;6.4%&lt;/span&gt;, effective January 1, 2022, to offset the cost of living increase.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;On
January 20, 2022, the Board and the Compensation Committee also approved individual MIP for the calendar year 2022 for each of our executives
officers. Each MIP is effective January 1, 2022 and applicable for year 2022. Each MIP provides guidelines for the calculation of annual
cash incentive-based compensation, subject to Compensation Committee oversight and modification. The performance compensation under each
of the MIPs is based upon meeting certain of the Company&#x2019;s separate target objectives during 2022. Assuming each target objective
is achieved under the same performance threshold range under each MIP, the total potential target performance compensation payable ranges
from &lt;span id="xdx_90A_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--CEOMember_zOcCnGLfQsl2" title="Compensation arrangement with individual, cash awards, minimum, percentage"&gt;25%&lt;/span&gt; to &lt;span id="xdx_901_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--CEOMember_zWLeDDmDBJMa" title="Compensation arrangement with individual, cash awards, maximum, percentage"&gt;150%&lt;/span&gt; of the 2022 base salary for the CEO ($&lt;span id="xdx_904_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--CEOMember_zexWWltw9XB4" title="Compensation arrangement with individual, cash awards, minimum, amount"&gt;93,717&lt;/span&gt; to $&lt;span id="xdx_900_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--CEOMember_zVP152FFJjz4" title="Compensation arrangement with individual, cash awards, maximum, amount"&gt;562,304&lt;/span&gt;), &lt;span id="xdx_906_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_zGodCbQhvsc8" title="Compensation arrangement with individual, cash awards, minimum, percentage"&gt;25%&lt;/span&gt; to &lt;span id="xdx_90D_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_zy0DuMCsJghc" title="Compensation arrangement with individual, cash awards, maximum, percentage"&gt;100%&lt;/span&gt; of the 2022 base salary for the CFO ($&lt;span id="xdx_906_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_zXdp8GW8VZag" title="Compensation arrangement with individual, cash awards, minimum, amount"&gt;76,193&lt;/span&gt;
to $&lt;span id="xdx_907_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__srt--ChiefFinancialOfficerMember_pp0p0" title="Compensation arrangement with individual, cash awards, maximum, amount"&gt;304,772&lt;/span&gt;), &lt;span id="xdx_901_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_z11c0tPYWOM5" title="Compensation arrangement with individual, cash awards, minimum, percentage"&gt;25%&lt;/span&gt; to &lt;span id="xdx_90C_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_zaP9JV7UckT9" title="Compensation arrangement with individual, cash awards, maximum, percentage"&gt;100%&lt;/span&gt; of the 2022 base salary for the EVP of Strategic Initiatives ($&lt;span id="xdx_90A_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_pp0p0" title="Compensation arrangement with individual, cash awards, minimum, amount"&gt;63,495&lt;/span&gt; to $&lt;span id="xdx_906_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfStrategicInitiativesMember_zXjrkSJVWrBa" title="Compensation arrangement with individual, cash awards, maximum, amount"&gt;253,980&lt;/span&gt;), &lt;span id="xdx_90C_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zfnBBbaO1kLe" title="Compensation arrangement with individual, cash awards, minimum, percentage"&gt;25%&lt;/span&gt; to &lt;span id="xdx_909_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zNA5o89fdIQf" title="Compensation arrangement with individual, cash awards, maximum, percentage"&gt;100%&lt;/span&gt; of the 2022
base salary for the EVP of Nuclear and Technical Services ($&lt;span id="xdx_906_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_iI_pp0p0_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zlRAoeWy7F2l" title="Compensation arrangement with individual, cash awards, minimum, amount"&gt;76,193&lt;/span&gt; to $&lt;span id="xdx_903_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_iI_pp0p0_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfNuclearAndTechnicalServicesMember_zB4FS5tqbQol" title="Compensation arrangement with individual, cash awards, maximum, amount"&gt;304,772&lt;/span&gt;) and &lt;span id="xdx_908_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_zvzgcAbxl8Kf" title="Compensation arrangement with individual, cash awards, minimum, percentage"&gt;25%&lt;/span&gt; to &lt;span id="xdx_90D_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumPercentage_pid_dp_uPure_c20220119__20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_zpd3iQFTAdn" title="Compensation arrangement with individual, cash awards, maximum, percentage"&gt;100%&lt;/span&gt; ($&lt;span id="xdx_901_ecustom--CompensationArrangementWithIndividualCashAwardsMinimumAmount_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_pp0p0" title="Compensation arrangement with individual, cash awards, minimum, amount"&gt;65,308&lt;/span&gt; to $&lt;span id="xdx_903_ecustom--CompensationArrangementWithIndividualCashAwardsMaximumAmount_c20220120__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--ExecutiveVicePresidentOfWasteTreatmentOperationsMember_pp0p0" title="Compensation arrangement with individual, cash awards, maximum, amount"&gt;261,233&lt;/span&gt;) of the 2022 base
salary for the EVP of Waste Treatment Operations.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&lt;i&gt;Credit
Facility&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;On
March 29, 2022, the Company entered into an amendment to its Loan Agreement with its lender which provided, among other things,
the following:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;waived
    the Company&#x2019;s failure to meet the minimum quarterly FCCR requirement for the fourth quarter of 2021;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;removes
    the quarterly FCCR testing requirement for the first quarter of 2022;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;reinstates
    &lt;span id="xdx_90F_eus-gaap--LineOfCreditFacilityDescription_c20220327__20220329__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_zviEGtGFNzR6" title="Credit facility, description"&gt;the quarterly FCCR testing requirement starting for the second quarter of 2022 and revises the methodology to be used in calculating
    the FCCR for the quarters ending June 30, 2022, September 30, 2022, and December 31, 2022 (with no change to the minimum 1.15:1 ratio
    requirement for each quarter)&lt;/span&gt;;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;requires
    maintenance of a minimum of $&lt;span id="xdx_90A_eus-gaap--LineOfCreditFacilityCurrentBorrowingCapacity_iI_pid_c20220630__srt--StatementScenarioAxis__srt--ScenarioForecastMember__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zxhTguQ5gh47" title="Line of credit facility, equipment line"&gt;3,000,000&lt;/span&gt; in borrowing availability under the revolving credit until the minimum FCCR requirement for
    the quarter ended June 30, 2022 has been met and certified to the lender; and&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;revises
    the annual rate used to calculate the Facility Fee (as defined in the Loan Agreement) on the revolving credit, with addition of the
    capital expenditure line, from &lt;span id="xdx_90D_eus-gaap--LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_pid_dp_uPure_c20220327__20220329__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--RangeAxis__srt--MinimumMember_zbJnsRtpndG5" title="Percentage of unused line fees"&gt;0.375%&lt;/span&gt; to &lt;span id="xdx_90E_eus-gaap--LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_pid_dp_uPure_c20220327__20220329__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--RangeAxis__srt--MaximumMember_zvo9UbmrJNN" title="Percentage of unused line fees"&gt;0.500%&lt;/span&gt;. Upon meeting the minimum FCCR requirement of 1;15:1 on a twelve month trailing basis,
    the Facility Fee rate of &lt;span id="xdx_907_eus-gaap--LineOfCreditFacilityInterestRateDuringPeriod_pid_dp_uPure_c20220327__20220329__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_znZU7QXb12ok" title="Interest rate"&gt;0.375%&lt;/span&gt; will be reinstated.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;
&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"&gt;&lt;span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"&gt;In
connection with the amendment, we paid our lender a fee of $&lt;span id="xdx_904_eus-gaap--DebtInstrumentFeeAmount_iI_c20220329__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__srt--TitleOfIndividualAxis__custom--LenderMember_zdb10TFwcNXl" title="Debt instrument fees"&gt;15,000&lt;/span&gt;.&lt;/span&gt;&lt;/p&gt;

</us-gaap:SubsequentEventsTextBlock>
    <PESI:PercentageIncreaseInAnnualCompensation
      contextRef="From2022-01-012022-01-02_srt_ExecutiveOfficerMember_us-gaap_SubsequentEventMember"
      decimals="INF"
      unitRef="Pure">0.064</PESI:PercentageIncreaseInAnnualCompensation>
    <PESI:CompensationArrangementWithIndividualCashAwardsMinimumPercentage
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        <link:footnote id="Footnote001304" xlink:label="Footnote001304" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">The risk-free interest rate is based on the U.S. Treasury yield
in effect at the grant date over the expected term of the option.</link:footnote>
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our traded Common Stock over the expected term of the option.</link:footnote>
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post-vesting data.</link:footnote>
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        <link:footnoteArc
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    revolving credit facility is collateralized by our accounts receivable and our term loan is collateralized by our property, plant,
    and equipment.</link:footnote>
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
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        <link:loc
          xlink:href="#Fact001640"
          xlink:label="Fact001640"
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        <link:footnote id="Footnote001666" xlink:label="Footnote001666" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Net
    of debt issuance/debt discount costs of ($<xhtml:span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90B_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20211231_zxv0W3sUClif" title="Debt issuance costs net">112,000</xhtml:span>) and ($<xhtml:span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIExPTkcgVEVSTSBERUJUIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20201231_zM0KwtufEN59" title="Debt issuance costs net">105,000</xhtml:span>) at December 31, 2021 and December 31, 2020, respectively.</link:footnote>
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        <link:footnoteArc
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        <link:loc
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        <link:footnote id="Footnote001671" xlink:label="Footnote001671" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Uncollateralized
    note.</link:footnote>
        <link:footnote id="Footnote001672" xlink:label="Footnote001672" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Entered
    into with the Company&#x2019;s credit facility lender under the PPP under the CARES Act (see &#x201c;PPP Loan&#x201d; below for information
    regarding forgiveness on the entire loan balance, along with accrued interest, effective June 15, 2021).</link:footnote>
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        <link:loc
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          xlink:label="Fact001648"
          xlink:type="locator"/>
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          xlink:from="Fact001648"
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        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
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        <link:loc
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          xlink:label="Fact002220"
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        <link:footnote id="Footnote002423" xlink:label="Footnote002423" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Segment assets have been adjusted for intercompany accounts
to reflect actual assets for each segment.</link:footnote>
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          xlink:from="Fact002220"
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        <link:loc
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        <link:footnote id="Footnote002450" xlink:label="Footnote002450" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Includes
                                            long-lived asset (net) for our PF Canada, Inc. subsidiary of $<xhtml:span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90D_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20211231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_zbjdNmwS4S87" title="Long-lived asset (net)">25,000</xhtml:span> and $<xhtml:span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_906_eus-gaap--PropertyPlantAndEquipmentNet_iI_pid_c20201231__srt--ConsolidatedEntitiesAxis__srt--ParentCompanyMember_z668KDn1vrw8" title="Long-lived asset (net)">33,000</xhtml:span> for the
                                            year ended December 31, 2021 and 2020, respectively.</link:footnote>
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        <link:footnoteArc
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        <link:footnoteArc
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        <link:loc
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          xlink:label="Fact002226"
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
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        <link:loc
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        <link:footnote id="Footnote002424" xlink:label="Footnote002424" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Amounts reflect the activity for corporate headquarters not
included in the segment information.</link:footnote>
        <link:footnote id="Footnote002435" xlink:label="Footnote002435" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Amount
                                            includes assets from our discontinued operations of $<xhtml:span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90C_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20211231_zMxArjQKn737" title="Assets of disposal group including discontinued operation including not held for sale">96,000</xhtml:span> and $<xhtml:span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_900_ecustom--AssetsOfDisposalGroupIncludingDiscontinuedOperationIncludingNotHeldForSale_iI_pid_c20201231_zyIYQYgdGwXd" title="Assets of disposal group including discontinued operation including not held for sale">103,000</xhtml:span> at December 31,
                                            2021 and 2020, respectively.</link:footnote>
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        <link:footnoteArc
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        <link:loc
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
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        <link:loc
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                                            includes approximately $<xhtml:span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pid_c20210101__20211231__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zBqzi4Gl24wf" title="Gain on extinguishment of debt">5,381,000</xhtml:span> of &#x201c;Gain on extinguishment of debt&#x201d; recorded
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                                            15, 2021 (see &#x201c;Note 10 &#x2013; Long Term Debt &#x2013; PPP Loan&#x201d; for information
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        <link:footnote id="Footnote002461" xlink:label="Footnote002461" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Includes
                                            elimination of gain/loss of $<xhtml:span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_907_eus-gaap--DebtInstrumentDecreaseForgiveness_pid_c20210101__20211231_z5joKvpaezbj" title="Debt instrument, decrease, forgivenes">2,537,000</xhtml:span> in debt forgiveness between PFM Poland and the Company
                                            (see &#x201c;Note 14 &#x2013; PF Medical for a discussion of this debt forgiveness.</link:footnote>
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          xlink:href="#Fact002420"
          xlink:label="Fact002420"
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
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        <link:loc
          xlink:href="#Fact002094"
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        <link:footnote id="Footnote002425" xlink:label="Footnote002425" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">The
    Company performed services relating to waste generated by government clients (domestic and foreign (primarily Canadian)), either
    directly as a prime contractor or indirectly for others as a subcontractor to government entities, representing approximately <xhtml:span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_908_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pid_c20210101__20211231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember_zrNlgpKXyT8g" title="Net revenues">60,812,000</xhtml:span>
    or <xhtml:span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_908_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember_z3BoNprriHDa" title="Concentration risk, percentage">84.2%</xhtml:span>
    of total revenue for 2021 and <xhtml:span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_902_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pid_c20200101__20201231__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember_z6dAUDyJrxd2" title="Net revenues">96,582,000</xhtml:span>
    or <xhtml:span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20200101__20201231__srt--MajorCustomersAxis__custom--DomesticAndForeignGovernmentMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember_zGAoZGR5xSP4" title="Concentration risk, percentage">91.6%</xhtml:span>
    of total revenue for 2020. The following reflects such revenue generated by our two segments:</link:footnote>
        <link:footnote id="Footnote002434" xlink:label="Footnote002434" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">The
                                            following table reflects revenue based on customer location:</link:footnote>
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        <link:loc
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          xlink:label="Fact002262"
          xlink:type="locator"/>
        <link:footnoteArc
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        <link:footnoteArc
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        <link:loc
          xlink:href="#Fact002254"
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        <link:footnote id="Footnote002440" xlink:label="Footnote002440" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Net
                                            of debt discount/debt issuance costs of ($<xhtml:span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_906_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20211231_zOUUwwU4N4La" title="Debt issuance costs">112,000</xhtml:span>) and ($<xhtml:span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90F_eus-gaap--DeferredFinanceCostsNet_iI_pid_c20201231_zqflA2cGoJya" title="Debt issuance costs">105,000</xhtml:span>) for 2021 and 2020, respectively
                                            (see &#x201c;Note 10 &#x2013; &#x201c;Long-Term Debt&#x201d; for additional information).</link:footnote>
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
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        <link:loc
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        <link:loc
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        <link:footnote id="Footnote002445" xlink:label="Footnote002445" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Net
                                            of financed amount of $<xhtml:span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90E_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20210101__20211231_z27nqqcMuVg1" title="Financed portion amount in the purchase of capital expenditure">585,000</xhtml:span> and $<xhtml:span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_90C_ecustom--FinancedPortionAmountInPurchaseOfCapitalExpenditure_pid_c20200101__20201231_zeM5sHuj1x03" title="Financed portion amount in the purchase of capital expenditure">883,000</xhtml:span> for the year ended December 31, 2021 and 2020,
                                            respectively.</link:footnote>
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        <link:footnote id="Footnote002458" xlink:label="Footnote002458" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Includes
                                            tax benefit recorded in amount of approximately $<xhtml:span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_904_eus-gaap--IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_pid_c20210701__20210930_zPuvB5nPxMnc" title="Income tax benefit valuation allowance">2,351,000</xhtml:span> resulting from release of valuation
                                            allowance on the Company&#x2019;s deferred tax assets (see &#x201c;Note 13 Income Taxes&#x201d;
                                            for a discussion of this tax benefit).</link:footnote>
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        <link:footnote id="Footnote002464" xlink:label="Footnote002464" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Amount
                                            includes a &#x201c;Loss on deconsolidation of subsidiary&#x201d; recorded in the amount of
                                            approximately $<xhtml:span class="xdx_phnt_RGlzY2xvc3VyZSAtIFNDSEVEVUxFIE9GIFNFR01FTlQgUkVQT1JUSU5HIElORk9STUFUSU9OIChEZXRhaWxzKSAoUGFyYW50aGV0aWNhbCkA" id="xdx_901_eus-gaap--DeconsolidationGainOrLossAmount_iN_pip0_di_c20210101__20211231_zi540Q0xidPi" title="Deconsolidation, gain  (Loss),  amount">1,062,000</xhtml:span> resulting from the sale of PFM Poland (see &#x201c;Note 14 &#x2013;
                                            PF Medical for a discussion of this loss).</link:footnote>
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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
